AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 7th Revised Page 454 CANCELS 6th Revised Page 454

8. Specialized Network Services

8.1 General

Specialized Network Services provide general service arrangements which are not offered under other sections of this tariff.

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 7th Revised Page 454.3.8 CANCELS 6th Revised Page 454.3.8

8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 454.5.1 CANCELS 3rd Revised Page 454.5.1

8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 7th Revised Page 454.11.1 CANCELS 6th Revised Page 454.11.1

8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 7th Revised Page 454.12.1 CANCELS 6th Revised Page 454.12.1

8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 454.15.1 CANCELS 3rd Revised Page 454.15.1

8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

(This page filed under Transmittal No. 1772 )

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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8. Specialized Network Services (Cont'd)

8.2 (D)

(D)

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Issued: September 12, 2012 Effective: September 27, 2012

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AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 14th Revised Page 454.24 CANCELS 13th Revised Page 454.24

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL)

8.3.1 Service Description

The Dedicated - Network Access Link provides a connection between the Customer’s (T) designated premises and a Telephone Company switch or central office for the control of features and functions, or for the transfer of data from the switch or central office to the Customer. The DNAL is primarily used in conjunction with switched access or central (T) office based services requiring a separate link for transmitting signaling or control information. Central office based services require connection to equipment in a central office that is not part of the central office switch. For example, service that requires a separate specialized switch or a modem. The switched access service determines the requirement for speed, type, and number of DNALs.

(A) Signal Transfer Point (STP) Access, as described in Section 6.1.3 preceding, requires diversified digital transmission paths between the Customer’s designated (T) premises and STPs. When a DNAL used to provide STP Access is provisioned using a Facility Signaling Point of Interconnection (FSPOI), the DNAL will provide diversified digital transmission paths between the Customer’s designated premises (T) and Telephone Company STPs. The DNAL is ordered from the Customer’s (C) designated premises to a Telephone Company designated STP or FSPOI. (C) FSPOIs are deployed only in LATAs where the Telephone Company has removed an STP pair through consolidation and rehoming.

The connection to the Telephone Company STPs or FSPOIs can be made either from the Customer's Signaling Point which requires two 56 Kbps circuits or from (T) the Customer's STP which requires four 56 Kbps circuits. The STP Access DNAL (T) may be Customer provided or Telephone Company provided and must be provided (T) in accordance with the technical specifications found in technical publications TR- TSV-000905 and AM-TR-OAT-000069. The Customer provided STP Access (T) DNAL also requires the purchase of Ameritech Cross-Connection Service for Interconnection as described in Section 16.4 following and Interconnection-Central Office Multiplexing as described in Section 7.2.9 preceding. When the Customer (T) requests a DNAL to a Telephone Company STP that resides in a LATA other than the LATA of Customer’s designated premises, the Customer is responsible for (T) obtaining the interLATA facilities required to provision such STP Access DNAL.

The Company will use existing facilities to provide transmission paths to the Customer which are as diverse as possible at no additional charge. When the STP (T) Access DNAL Local Distribution Channel is provided on an Ameritech Operating Company provisioned and controlled 1.544 Mbps facility, the Ameritech Operating Companies may assign additional network signaling channels to that 1.544 Mbps facility

(This page filed under Transmittal No. 1718 )

Issued: July 23, 2010 Effective: August 7, 2010

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 15th Revised Page 454.24.1 CANCELS 14th Revised Page 454.24.1

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.1 Service Description (Cont'd)

(A) (Cont'd)

When the Telephone Company consolidates its Common Channel Signaling (CCS) Network to reduce its number of STP pairs, Customer changes in STP Access and (T) translations will be required.

The Telephone Company will establish schedules for any consolidation and will work cooperatively with existing Customers to establish dates by which necessary changes in (T) facilities and translations will be completed. However, all of an existing Customer’s STP (T) Access in a LATA must be connected to the new serving arrangement or disconnected no later than the date established by the Telephone Company for the consolidation.

In order to avoid duplicate charges for DNALs being rehomed, Customers who move (N) DNALs will need to place “add” and “disconnect” orders with the same Due Date. The Connecting Facility Assignment (CFA) on the “add” order must be the same as the one on the “disconnect” order for Customers who order new links to the FSPOI. (N) The conversion to the consolidated architecture may require existing Customers to use (T) duplicate DNALs and STP ports at the time of conversion to assure continuity of service. Where needed, such redundancy will include the Customer’s existing STP Access as (T) well as the new STP Access between the Customer and the new STP. However, a (T) Customer may have STP Access under both the existing arrangement and the new (T) arrangement pursuant only to the conversion schedule established by the Telephone Company. Existing facilities no longer required after all of a Customer’s facilities have (T) been converted must be disconnected within 60 days of the completion of such conversion. Requests from existing Customers for augmentation of existing capacity in (T) a LATA will be converted to the new serving arrangement in accordance with the Telephone Company’s conversion schedule. Otherwise, requests for new service will be connected to the new serving arrangement regardless of when ordered.

Recurring and nonrecurring charge credits will apply to the installation of new STP Access associated with the Telephone Company’s STP consolidation as follows: Recurring charge credits will apply for new DNALs and STP ports provided by the Telephone Company for the period of time beginning with the installation of the new connections until the earlier of 1) the disconnection of the first pair or quad of existing connections which has traffic being converted to the new arrangement or 2) 60 days following the completion of the conversion. Both nonrecurring and recurring charge credits will apply to any new STP Access that is required by the consolidation of traffic from other LATAs for the period of time beginning with the installation of the new STP Access until the earlier of 1) the disconnection of the first pair or quad of existing connections that have traffic being converted to the new connections or 2) four months after installation of the new connections.

Due to billing system constraints, all recurring and nonrecurring charges will be billed, but appropriate credits will be applied to the Customer’s bill after the associated existing (T) facilities are disconnected.

(This page filed under Transmittal No. 1718 )

Issued: July 23, 2010 Effective: August 7, 2010

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 454.24.1.1

ACCESS SERVICE (M)

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL)

8.3.1 Service Description (Cont'd)

(B) Circuit Switch Facility Control (CSFC) is an interface which passes, via the DNAL, signals that are used to busy out a customer's facilities. This interface works in conjunction with and must be related to a circuit with the make busy arrangement described in Section 6 preceding. Thus CSFC requires a two-wire analog DNAL with a basic DNAL termination. The technical parameters are as set forth in Technical Reference Publication TR-TSY-000521, Issue 2.

(C) Simplified Message Desk Interface (SMDI) is used to pass call history data to a customer for use with Call History Package Delivery feature and to pass signaling information for use with Remote Activation of Message Waiting feature. A modem is required in the central office and a compatible modem is required at the customer's premises. This service is available only in designated offices and requires either a 1200 baud or 9600 baud data termination, on a four wire DNAL in every office a customer wants to access. The SMDI office locations can be found in National Exchange Carrier Association Tariff F.C.C. No. 4 and the ONA Wire Center Database. For use with the Call History Package Delivery option, this interface and corresponding DNAL can be utilized with an FGA line equipped with a multiline hunt group or any compatible line side service authorized under the established policy of the intrastate authorities. The technical parameters are as set forth in Technical Reference Publication AM-TR-OAT-000065.

(D) Simplified Message Desk Interface - Expanded (SMDI-E) provides customers with the ability to serve multiple offices with a single DNAL by utilizing the signaling network to pass Call History data and signaling information within a LATA. SMDI-E is offered with either a 1200 baud or 9600 baud data termination and is available only in those designated offices equipped with the SMDI-E feature. The SMDI-E 1200 baud and 9600 baud office locations can be found in National Exchange Carrier Association Tariff F.C.C. No. 4 and the ONA Wire Center Database. SMDI- E will be offered with access to any office within the LATA where it is technically feasible. Customers must identify the Telephone Company offices they wish to access. If a customer adds an office or changes an office, an administrative charge will apply. In addition to the elements required for SMDI, the SMDI-E interface option must be ordered. However, the SMDI-E feature only requires a minimum of one DNAL per LATA, rather than a DNAL to every office. (M)

Material on this page was previously located on page 454.24.1

(This page filed under Transmittal No. 1697 )

Issued: April 30, 2009 Effective: May 15, 2009

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 13th Revised Page 454.24.2 Cancels 12th Revised Page 454.24.2

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.1 Service Description (Cont'd)

(E) Network Reconfiguration Service (NRS) provides customers with the ability to (T) reconfigure networks via a DNAL. NRS may be accessed utilizing a two-wire (T)

analog DNAL with a basic DNAL termination.

(F)

Alarm service provides for the transmission of signals from alarm sensors located on an end user’s premises to a customer, thus providing customers with the ability to monitor a change in status on their end users’ lines. This service is available only in appropriately equipped offices where facilities are available. Information regarding the availability of Alarm Service can be found on the ONA Services User Guide Wire Center Database. The Alarm interface requires a two-wire analog

DNAL with a 1200 Kbps Alarm DNAL termination. This service technology

inherently provides Derived Channel Monitoring and Notification of Subscriber Line Breaks functionality to a customer.

(G) Ameritech Switch to Computer Applications Interface (ASCAI) provides customers with the capability of simultaneous exchange of data between telecommunications and data processing environments. ASCAI requires a 9.6 Kbps DNAL with a 9.6 Kbps DNAL termination or a 56 Kbps DNAL with a 56 Kbps DNAL termination. ASCAI allows the customer's host computer to direct switch processes for various applications. This ASCAI interface is available at appropriately equipped central offices as set forth in National Exchange Carrier Association Tariff F.C.C. No. 4. The end user and/or customer must have an ASCAI equipped compatible local exchange service and interfaces as described in technical references AM-TR-NIS- 000097 and AM-TR-NIS-000109.

(This page filed under Transmittal No. 1357 )

Issued: October 6, 2003 Effective: October 21, 2003

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 454.24.2.1 Cancels Original Page 454.24.2.1

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.2 Rate Categories

(A) Local Distribution Channel

The Local Distribution Channel (LDC) provides for a Transmission path between the customer designated premises and the serving wire center of that premises.

(1) The Analog 2 wire Local Distribution Channel is a two-wire facility (2) The Analog 4 wire Local Distribution Channel is a four-wire facility (3) The 9.6 Kbps Local Distribution Channel is a digital four-wire facility (4) The 56 Kbps Local Distribution Channel is a digital four-wire facility

(B) Channel Mileage Termination

The Channel Mileage Termination rate category provides for the termination of interoffice facilities to the central office. Therefore, it is only applied if there is interoffice mileage and not to circuits within the same central office.

(C) Channel Mileage

The Channel Mileage rate category provides for the transmission facilities between the serving wire center associated with a customer designated premises and Telephone Company Central Office equipment necessary to terminate the DNAL as described in Section 8.3.1 above.

When the DNAL used to provide STP Access is provisioned using an FSPOI, the (N) Channel Mileage rate category provides for the transmission facilities between the (N) serving wire center associated with a customer designated premises and the (N) Telephone Company Central Office FSPOI equipment necessary to terminate the (N) DNAL as described in section 8.3.1 above. (N)

(D) DNAL Termination

The DNAL Termination provides for an interface for various types of DNALs. This would include data sets and any other equipment in the central office required to provide the service.

(This page filed under Transmittal No. 1697 )

Issued: April 30, 2009 Effective: May 15, 2009

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 454.24.3 Cancels 3rd Revised Page 454.24.3

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.2 Rate Categories

(D) DNAL Termination (Cont'd)

(1) A basic DNAL termination provides the connection of an analog LDC in the case where no modem is required. The termination can be used with either a two-wire or four-wire analog LDC.

(2) A 1200 baud analog termination provides for the capability to transmit data at a 1200 baud rate using an analog LDC and requires a compatible modem at the customer designated premises.

A 9600 baud analog termination provides for the capability to transmit data at N a 9600 baud rate using an analog LDC and requires a compatible modem at the customer designated premises. N

The DNAL termination for 1200 baud or 9600 baud used for SMDI, which is C also used with SMDI-E, is available as a monthly rate or at a fixed rate over a 36 or 60 month payment period. During the effective 36 or 60 month term, monthly rates for services installed under this arrangement will not be subject to Telephone Company initiated rate changes. The rates in effect when service is installed for the 36 or 60 month payment option will be the rates that will apply throughout the selected term. The nonrecurring charge will remain the same for all three options and may not be spread over the selected term.

Customers electing to terminate their service prior to the expiration of the term will be liable for a percentage of the remaining monthly term. The percentage rate is 75 percent for 36 months and 60 percent for 60 months. At the expiration of the term the customer choosing to retain the service may elect either the prevailing monthly rate or a new 36 or 60 month term at the prevailing rates, if available. If the customer doesn't make a choice, the rates will automatically revert to the monthly option.

A customer with SMDI may convert to SMDI-E without termination liability if the SMDI-E service is contracted for the same or longer contract period.

(3) A 9.6 Kbps Digital Termination provides the capability to transmit data at 9.6 Kbps using a 9.6 Kbps LDC. It requires compatible equipment at the customer premises.

(This page filed under Transmittal No. 869 )

Issued: March 6, 1995 Effective: April 20, 1995

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 454.24.4 Cancels 2nd Revised Page 454.24.4

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.2 Rate Categories

(D) DNAL Termination (Cont'd)

(4) A 56 Kbps Digital Termination provides the capability to transmit data at 56 Kbps using a 56 Kbps LDC. It requires compatible equipment at the customer premises.

(E) Features and Functions

(1) Make Busy Arrangements option allows a customer to reroute traffic from one group of lines or trunks to another group by making the intended route busy. The customer may also busy out an entire group of lines or trunks. This works in conjunction with either a Feature Group A, B or D facility. The Circuit Switch Facility Control Interface DNAL (i.e., a two-wire DNAL with a basic interface) is also required. The circuits for both the DNAL and the associated switched access service must be related on their respective ASRs.

(2) Remote Activation of Message Waiting (a) Remote Activation of Message Waiting provides the customer the (T) capability to notify an end user that a message is waiting for retrieval. This requires the DNAL with a SMDI interface and is available with either the SMDI and SMDI-E options. This feature can share a DNAL with Call History Package Delivery feature ordered by the customer. The end user's line must be equipped with the ability to Receive Message Waiting Indicator in order for the feature to function properly. This is available only via appropriately equipped offices. The customer and end user must be served out of the same central office for SMDI.

(b) Remote Activation of Message Waiting – Alternate Network Delivery, this (N) optional delivery feature provides the capability for the customer to direct its Message Waiting Indicator (MWI) messages toward the customer’s Alternate Network service provider within the LATA. This feature requires the DNAL with a SMDI interface and is available only with the SMDI-E option. The customer must provide the Telephone Company with information specifying: (1) The single pre-defined central office switch point code of the Alternate Network for the MWI messages to be routed. (2) A list of all the alternate network provider’s end user station NPA- NXXs receiving MWI messages (these must be served out of the same LATA as the SMDI-E DNAL). (N)

Certain material previously appeared on this page now appears on 6th revised page 454.24.5.

(This page filed under Transmittal No. 1484 )

Issued: July 14, 2005 Effective: July 15, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 6th Revised Page 454.24.5 Cancels 5th Revised Page 454.24.5

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.2 Rate Categories (Cont'd)

(E) Features and Functions (Cont'd)

(2) Remote Activation of Message Waiting (Cont’d)

(b) Alternate Network Delivery (Cont’d) (N)

The customer’s Alternate Network Service Provider must provide service capability to receive and complete MWI delivery. The customer is responsible for any and all charges that the Telephone Company may incur from the customer’s Alternate Network Service Provider for receiving MWI messages from the Telephone Company. (N) (3) Call History Package Delivery will provide the customer with real time information on telephone calls that are terminated to a designated Feature (M) Group A Multiline hunt group or any compatible line side serv ice authorized under the established policy of intrastate authorities. This feature requires the DNAL with SMDI interface option and is available with either the SMDI and SMDI-E options. This feature will work with Remote Activation of Message Waiting and these two options can share a common DNAL. When ordered in offices equipped with a DMS100 switch, the UCD feature on the line side service is also required.

The following information is available over the SMDI type DNAL when both the (M) customer and end user are served by the same central office: Multiline hunt group (MLHG) and terminal identification of call handler, call reason, called number from which incoming call was forwarded to the customer, and the directory number of the originating call (Calling Number Identification). When a call originates outside of the SMDI supported central office but terminates to a line within the SMDI supported central office (i.e., call forwarded to the customer), the directory number of the originating call is not sent. When used with the SMDI-E optional DNAL, all of the information is available from any appropriately equipped office selected by the customer as specified in 8.3.1(D) preceding.

Material appearing on this page previously appeared on 2nd revised page 454.24.4

Certain material previously appeared on this page now appears on 2nd revised page 454.24.5.1.

(This page filed under Transmittal No. 1484 )

Issued: July 14, 2005 Effective: July 15, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 454.24.5.1 Cancels 1st Revised Page 454.24.5.1

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.2 Rate Categories (Cont'd)

(E) Features and Functions (Cont'd)

(4) Coordinated Voice and Data Delivery (CVD) allows for the simultaneous (M) delivery of voice and data for incoming calls. The voice service is delivered to the end user via the normal connection, while the data portion is delivered via the customer's host computer connected to the ASCAI DNAL. This feature requires the ASCAI DNAL interface with a 9.6 Kbps or 56 Kbps DNAL termination on a 9.6 Kbps or 56 Kbps DNAL, respectively. This feature can share the DNAL with the other ASCAI features (BSEs) and is required to provide any ASCAI features.

(5) Call Redirection allows the customer's host computer to notify the switch either to allow the call to complete as dialed or redirect the call to an alternate number designated by the end user. This feature requires the ASCAI DNAL interface with a 9.6 Kbps or 56 Kbps DNAL termination on a 9.6 Kbps or 56 Kbps DNAL, respectively. This feature can share the DNAL with other ASCAI features (BSEs) and also requires the CVD feature. (M) (6) Computer Assisted Call Transfer allows the customer's host computer to notify the switch to transfer the call from one agent to another agent after the call had been completed. This feature requires the ASCAI DNAL interface with a 9.6 Kbps or 56 Kbps DNAL termination on a 9.6 Kbps or 56 Kbps DNAL, respectively. This feature can share the DNAL with the other ASCAI features (BSEs) and also requires the CVD feature.

(7) Computer Assisted Dialing allows the customer's host computer to notify the switch to place a call to a selected number on behalf of a particular agent. This feature requires the ASCAI DNAL interface with a 9.6 Kbps or 56 Kbps DNAL termination on a 9.6 Kbps or 56 Kbps DNAL, respectively. This feature can share the DNAL with the other ASCAI features (BSEs) and also requires the CVD feature.

Material appearing on this page previously appeared on 5th revised page 454.24.5

(This page filed under Transmittal No. 1484 )

Issued: July 14, 2005 Effective: July 15, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 454.25 Cancels 3rd Revised Page 454.25

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.3 Service Configuration

The following diagram depicts a Dedicated - Network Access Link service in conjunction with a switched access service.

DIAGRAM 1

SWITCHED ACCESS SERVICE

SWC ONS WC Premises A Premises B T

CM LDC CMT CMT DNALT

DEDICATED NETWORK ACCESS LINK

LDC - Local Distribution Channel CMT - Channel Mileage Termination CM - Channel Mileage DNALT - DNAL Termination SWC - Serving Wire Center ONSWC - Other Network Service Wire Center

Applicable rate elements are:

- Local Distribution Channel (one applicable) - Channel Mileage Termination - Channel Mileage (per mile) - DNAL Termination - Switched Access (see Section 6)

(This page filed under Transmittal No. 574 )

Issued: November 12, 1991 Effective: December 27, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 454.25.1x Cancels Original Page 454.25.1x

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.3 Service Configuration (Cont'd)

x Issued under authority of Special Permission No. 91-102 on not less than one day's notice.

(This page filed under Transmittal No. 514 )

Issued: February 7, 1991 Effective: February 8, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 454.26

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.3 Service Configuration N

This section contains specific regulations governing the rates and charges that apply for Dedicated - Network Access Links.

8.3.4.1 Types of Rates and Charges

There are two types of rates and charges. These are monthly and

nonrecurring charges. The rates and charges are described as follows:

(A) Monthly Rates

Monthly rates are flat recurring rates that apply each month or fraction thereof that a Dedicated - Network Access Link is provided. For billing purposes, each month is considered to have 30 days.

(B) Nonrecurring Charges

Nonrecurring charges are one-time charges that apply for specific work activity (i.e., installation or change to an existing service). The types of nonrecurring charges that apply for Dedicated - Network Access Links are: installation of service and service rearrangements.

(1) Installation of Service

(a) Administrative Charge

The Administrative Charge applies any time a customer initiates an order for service. This charge applies once per customer order, as described in Section 5.1 preceding. Administrative Charges for Dedicated - Network Access Link Service are set forth in 8.3.5 following.

(b) Design and Central Office Connection Charge

The Design and Central Office Connection Charge applies to each service installed, and is charged once per circuit. The nonrecurring charges for design and central office connection are set forth in 8.3.5 N following.

(This page filed under Transmittal No. 291 )

Issued: March 28, 1989 Effective: May 12, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 454.27 Cancels 3rd Revised Page 454.27

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.4 Rate Regulations (Cont'd)

8.3.4.1 Types of Rates and Charges (Cont'd)

(1) Installation of Service (Cont'd)

(c) Customer Connection Charge

The Customer Connection Charge applies to each service installed, and is charged once per Local Distribution Channel. The nonrecurring charges for customer connection are set forth in 8.3.5 following.

(2) Service Rearrangements

Service Rearrangements are changes to existing (installed) services. There are no optional features. Consequently, except for Priority Restoration (PR) changes in Telecommunications Service Priority (TSP) System services, service rearrangements will be treated as a disconnect and start of new service. If the PR Level is changed, the PR Level Change and the Administrative Charges apply.

8.3.4.2 Minimum Periods

The minimum service period is one month.

8.3.4.3 Mileage Measurement

The mileage to be used to determine the monthly rate for the Channel Mileage is calculated on the airline distance between the serving wire center associated with a customer designated premises and the Telephone Company Central office where the service terminates. When (N) an FSPOI is used to provision an SS7 DNAL, the mileage to be used to (N) determine the monthly rate for the Channel Mileage is calculated on the (N) airline distance between the serving wire center associated with a (N) customer-designated premises and the Telephone Company Central office (N) where the FSPOI is located. The serving wire center associated with a (N) customer designated premises is the serving wire center from which the customer designated premises would normally obtain dial tone.

To determine the rate to be billed, first compute the mileage using the V&H Coordinates Method, as set forth in the National Exchange Carrier Association Tariff F.C.C. No. 4.

(This page filed under Transmittal No. 1697 )

Issued: April 30, 2009 Effective: May 15, 2009

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 9th Revised Page 454.28 Cancels 8th Revised Page 454.28

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.4 Rate Regulations (Cont'd)

8.3.4.3 Mileage Measurement (Cont'd)

When the calculation results in a fraction of a mile, always round up to the next whole mile. Then multiply the per mile rate by the mileage quantity.

There is no mileage charge for circuits which have zero mileage.

8.3.5 Rates and Charges

8.3.5.1 Monthly Rates Monthly USOC Rate (A) Local Distribution Channel (per point of termination)

(1) Analog 2 Wire - All States T6E2X $24.55

(2) Analog 4 wire - All States T6E4X $39.84

(3) 9.6 Kbps Digital - All States T6ELS $83.00 N N T (4) 56 Kbps Digital

- All States T6ECS $107.95

(This page filed under Transmittal No. 690 )

Issued: January 19, 1993 Effective: March 5, 1993

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 11th Revised Page 454.28.1 Cancels 10th Revised Page 454.28.1

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.5 Rates and Charges (Cont'd)

8.3.5.1 Monthly Rates (Cont'd) T Monthly USOC Rate (B) (1) Analog Channel Mileage Termination

- Per point of Mileage

Termination - All States CM6 $14.27 N

(2) 9.6 Kbps Digital Channel Mileage Termination - Per Point of Mileage N Termination - All States CM6 $14.27 T (3) 56 Kbps Digital Channel Mileage Termination - Per point of Mileage Termination - All States CM6 $14.27

(C) (1) Analog Channel Mileage N - Per Mile - All States 1L5XX $ 1.11

(2) 9.6 Kbps Digital Channel N Mileage - Per Mile - All States 1L5XX $ 1.11 T (3) 56 Kbps Digital Channel Mileage - Per Mile - All States 1L5XX $1.11

(This page filed under Transmittal No. 690 )

Issued: January 19, 1993 Effective: March 5, 1993

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 454.28.1.1 Cancels 4th Revised Page 454.28.1.1

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.5 Rates and Charges (Cont'd)

8.3.5.1 Monthly Rates (Cont'd)

Monthly Nonrecurring USOC Rate Charge

(D) DNAL Termination

(1) Basic Rate (CSFC, ANRS, SS7) (2 wire, 4 wire or 56 Kbps) - All States TAKXX None None

(2) 1200 Baud Analog SMDI - All States - Monthly TAK1X $250.00 $1,400.00 - 36 Month TAK1X 190.00 1,400.00 - 60 Month TAK1X 170.00 1,400.00 N (3) 9600 Baud Analog SMDI - All States - Monthly TAKNX 450.00 2,500.00 N - 36 Month TAKNX 350.00 2,500.00 - 60 Month TAKNX 325.00 2,500.00 T (4) 1200 Baud Analog Alarm - All States T - Monthly TB61X 21.10 None

(5) 9.6 Kbps ASCAI - All States T - Monthly TAKZX 135.50 5,700.00

(6) 56 Kbps Digital ASCAI - All States - Monthly TAK9X 171.00 5,770.00

(This page filed under Transmittal No. 869 )

Issued: March 6, 1995 Effective: April 20, 1995

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 12th Revised Page 454.28.2 Cancels 11th Revised Page 454.28.2

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.5 Rates and Charges (Cont'd)

8.3.5.1 Monthly Rates (Cont'd)

Monthly Nonrecurring USOC Rate Charge

(E) Features and Functions

(1) Make Busy Arrangement - All States DXV $ 5.10 $13.50

(2) Remote Activation of Message Waiting - All States - SMDI - Per office RM4PO 25.00 38.00 - SMDI-E - Per DNAL RJEPG 250.00 38.00

- Alternate Network Delivery (N) - SMDI-E - Per DNAL 250.00 38.00 (N)

(3) Call History Package Delivery - All States - SMDI - Per office MBHPO 37.00 95.00 - SMDI-E - Per DNAL MJEPG 160.00 95.00

(This page filed under Transmittal No. 1484 )

Issued: July 14, 2005 Effective: July 15, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 6th Revised Page 454.28.3 Cancels 5th Revised Page 454.28.3

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.5 Rates and Charges (Cont'd)

8.3.5.1 Monthly Rates (Cont'd)

(E) Features and Functions (Cont'd)

Monthly Nonrecurring USOC Rate Charge (4) Simplified Message Desk Interface - Expanded Per DNAL

- Monthly SOEPG $7,375.00 $2,500.00 - 36 Months SOEPG 2,725.00 2,500.00 - 60 Months SOEPG 1,800.00 2,500.00 D

D

T (5) Bridging Two Wire Data Bridge

- Per Port - Illinois and Ohio BCND2 5.93 None

(This page filed under Transmittal No. 888 )

Issued: June 13, 1995 Effective: July 28, 1995

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 454.28.3.1

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.5 Rates and Charges (Cont'd)

8.3.5.1 Monthly Rates (Cont'd)

(E) Features and Functions (Cont'd) T

USOC Monthly Nonrecurring

Rate Charge

N (7) Coordinated Voice and Data - All States - Per DNAL NR62C None $10,920.00

(8) Call Redirection - All States - Per DNAL NR62D None None

(9) Computer Assisted Call Transfer - All States - Per DNAL NR62E None 6,555.00

(10) Computer Assisted

Dialing - All States - Per DNAL NR62F None 730.00 N

(This page filed under Transmittal No. 690 )

Issued: January 19, 1993 Effective: March 5, 1993

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 11th Revised Page 454.29 Cancels 10th Revised Page 454.29

ACCESS SERVICE

8. Specialized Network Services (Cont'd)

8.3 Dedicated - Network Access Link (DNAL) (Cont'd)

8.3.5 Rates and Charges (Cont'd)

8.3.5.2 Nonrecurring Charges

Design and Customer Administrative Central Office Connection Charge, Connection Charge, Charge, per order per circuit per termination

Analog Local Distribution Channel ORCMX NRBCL NRBBL

- All States $50.00 $150.00 $250.00

9.6 Kbps Digital DNAL - All States 50.00 150.00(R) 250.00(R) 56 Kbps Digital DNAL - All States 50.00 225.00 250.00(R)

Rates contained in this transmittal are subject to subsequent adjustment, effective retrospectively, in the event the Commission or a court subsequently authorizes Ameritech to correct its rates pursuant to pending motions, or petitions for reconsideration or waiver, or in the event of any other adjustment to an order of the Commission or a court.

(This page filed under Transmittal No. 1270 )

Issued: June 18, 2001 Effective: July 3, 2001

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 454.30

8. Specialized Network Services (Cont'd) N 8.4 Ameritech Advanced Video Service

8.4.1 General Description

(A) Basic Service Description

Ameritech Advanced Video Service (AAVS) provides bi-directional point-to-point or point-to-multipoint video transmission that complies with National Television System Committee (NTSC) 525 line/60 field color video signals and up to four associated audio signals from a customer premises to a Telephone Company video switch port where it can be connected via another AAVS service to other customer designated premises.

It is capable of operation in the following modes:

- Point-to-point broadcast (one way) - Point-to-point interactive (two way) - Point-to-multipoint broadcast (one to more than one) - Point-to-multipoint interactive (one to more than one two way) with continuous viewing capability for up to four participants

This service gives a customer designated system administrator remote access ability to initiate and terminate video transmission via a Telephone Company provided scheduling and reservation system. The point-to-multipoint interactive mode allows up to four participating customer designated premises to be on the circuit via the connection of multiple AAVS services at the Telephone Company hub. Several operational options are possible:

- Rotating Conference Control (Conference leader determines who everyone will see) - Continuous presence at all locations (up to four sites) - Lecture Control (Lecturer selects dominant site) - Conference leader is seen by all and can choose which participants others will view N

Ameritech Advanced Video Service is only offered from Telephone Company central offices where facilities permit. Where facilities are not available, Special Construction may apply. Nx (B) Technical Specifications Nx

The technical specifications for AAVS are described in Technical Reference AM-TR-NIS-000128.

(This page filed under Transmittal No. 937 )

Issued: January 11, 1996 Effective: February 25, 1996

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 454.31

8. Specialized Network Services (Cont'd) N 8.4 Ameritech Advanced Video Service (Cont’d)

8.4.1 General Description (Cont’d)

(C) Network Channel Interfaces

The following network channel interfaces (CIs) define the bandwidth and the provision of the audio signals associated with AAVS:

Audio CI Bandwidth Provision

08TV615 15 KHz 1 or 2 Channels, diplexed 08TV615A 15 KHz 1,2,3 or 4 Channels, diplexed

8.4.2 Rate Categories

(A) AAVS Ports

AAVS ports provide for the AAVS video switch, the customer’s first 80 hours of AAVS video switch usage and the two-way transmission of AAVS video and audio signals from the customer’s premises to the video switch where it can be connected to other AAVS customer premises. A flat monthly charge applies per port as set forth in Section 8.4.4(A).

(B) AAVS Usage

AAVS usage is composed of two different rate categories, AAVS Interswitch Usage and AAVS Facility Usage. AAVS Interswitch Usage provides for the interstate interoffice transport between video switches. AAVS Interswitch Usage applies to all hours of AAVS usage where the video signal is transported between two video switches in

different states. AAVS Facility Usage provides for the customer’s AAVS facility usage

greater than 80 hours. Both types of AAVS usage are charged for on an hourly basis per each port. AAVS Facility Usage rates are set forth in Section 8.4.4(B) and AAVS Interswitch Usage rates are set forth in Section 8.4.4(C).

8.4.3 Rate Regulations

There are three different types of AAVS rates and charges. These are monthly rates, hourly rates and nonrecurring charges and are described below.

(A) Monthly Rates N Monthly rates are flat recurring rates that apply each month or fraction thereof that AAVS is provided. For billing purposes, each month is considered to have 30 days.

(This page filed under Transmittal No. 937 )

Issued: January 11, 1996 Effective: February 25, 1996

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 454.32

8. Specialized Network Services (Cont'd) N 8.4 Ameritech Advanced Video Service (Cont’d)

8.4.3 Rate Regulations (Cont’d)

(B) Hourly Rates

AAVS hourly usage rates are flat recurring rates that apply each hour or fraction thereof that AAVS is provided.

(C) Nonrecurring Charge

The nonrecurring charge for Ameritech Advanced Video Service is a onetime charge that applies for the installation of each new AAVS video service. The nonrecurring charge provides for the service order functions, design functions, central office connection and customer connection functions.

(D) Minimum Period

The minimum service period for AAVS is 12 months. A Termination Charge will apply to each AAVS port that is disconnected prior to the expiration of the minimum service period. The Termination Charge is one half of the remaining fixed monthly recurring AAVS Port charges that would have been incurred by the customer if their AAVS service had remained in service for the entire minimum service period.

(E) AAVS Optional Payment Plan (OPP)

(1) General

The AAVS Optional Payment Plan is a provision that allows a customer to select Ameritech Advanced Video Service Port charges over a 12, 36, or 60 month payment period. Monthly rates for AAVS Ports installed under this Payment Plan will change as Telephone Company initiated rate changes become effective but during the OPP term will not exceed the monthly rate in effect at the beginning of the customer’s OPP term.

During the term of the selected OPP, Telephone Company initiated rate changes (increases or decreases) will automatically be applied to the monthly payments for the remaining months of the current OPP term. But in no case will any rate change cause the monthly rate during the OPP term to exceed that in effect at the beginning of the customer’s OPP term.

Ameritech Advanced Video Service rates and charges for which the OPP is available are listed in 8.4.4 following.

Customers subscribing to the OPP will be subject to nonrecurring charges as specified in 8.4.4 for installation of service covered by the plan. The nonrecurring N charges will not be spread over the OPP term.

(This page filed under Transmittal No. 937 )

Issued: January 11, 1996 Effective: February 25, 1996

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 454.33

. Specialized Network Services (Cont'd)

8.4 Ameritech Advanced Video Service (Cont’d)

8.4.3 Rate Regulations (Cont’d)

(E) AAVS Optional Payment Plan (OPP) (Cont’d)

(1) General (Cont’d)

At the expiration of the OPP term and if the customer wishes to continue AAVS, the customer may select a new OPP at the prevailing OPP rate. If a customer does not wish to renew the OPP at the expiration of the term, the customer’s service will automatically convert to the month-to-month rates.

(2) Prepayment of an AAVS OPP

A customer may, at any time during an OPP term, elect to prepay the remaining AAVS monthly Port charges for the rest of the OPP term. The monthly recurring fixed rate for AAVS port may be prepaid for periods of twelve, thirty-six or sixty months. Recurring port charges will cease for the rest of the term and start up again at the end of the OPP if service has not been disconnected. The prepayment charges in no way constitute a purchase and the Telephone Company retains all ownership of all equipment covered by prepayment. The following conditions apply;

(a) Customers who prepay will have an allowance applied. The prepayment will be calculated using the loan amortization method at the annual rate specified using the Telephone Company’s long term cost of capital. The allowance will be based on the number of months of the prepayment period. The prepayment amount (principle) is the total outstanding recurring charges less the payment allowance.

(b) Customers who prematurely disconnect their service before the expiration of the OPP term, will have Termination charges deducted from the prepayment amount and any balances for the unused portion of the OPP term credited to their bill.

(c) Monthly recurring usage rates per hour of use will continue to apply for all AAVS usage.

(d) Once a customer selects the prepayment option, the prepaid amount is not adjusted for company initiated rate changes that occur during the period for which the customer has prepaid.

(This page filed under Transmittal No. 937 )

Issued: January 11, 1996 Effective: February 25, 1996

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 454.34

ACCESS SERVICE

8. Specialized Network Services (Cont'd) N

8.4 Ameritech Advanced Video Service (Cont’d)

8.4.3 Rate Regulations (Cont’d)

(E) Optional Payment Plan (OPP) (Cont’d)

(3) OPP Termination Liabilities

Customers requesting termination of service prior to the expiration date of the OPP term will be liable for a Termination Charge. The Termination Charge for all OPP terms will be calculated as follows:

The dollar difference between the current OPP rate for the OPP term that could have been completed during the time the service was actually in service, or the monthly rate for services in place less than 12 months, and the customer's current OPP rate for each month the service was provided.

For example, a customer subscribed to a 60 month OPP term and disconnected service during the 37th month. This customer's Termination Charge would be:

[36 month OPP Rate - 60 month OPP rate] x 37 = Termination Charge.

The 36 month OPP term could have been completed during the months the service was actually in service.

All Termination Charges will be based on the OPP rates in effect at the time of termination.

Termination Liability charges for all OPP terms may, at the customer's request, be charged as described above or pay a percentage of the monthly charges for the remainder of the term as indicated below:

OPP Terms in Months Termination Percentage

12 85 36 75 60 60

(4) Conversion of AAVS Service to New OPP

During a customer's OPP term, conversion may be made to a new OPP term of a different length. If the expiration date for the OPP term is beyond the end of the original OPP term, the remaining OPP charges for the original term will not apply. If no physical changes are made to the service, the nonrecurring charges will not apply. N

(This page filed under Transmittal No. 937 )

Issued: January 11, 1996 Effective: February 25, 1996

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 454.35

8. Specialized Network Services (Cont'd)

8.4 Ameritech Advanced Video Service (Cont’d) N

8.4.4 Rates and Charges

Nonrecurring USOC Monthly 12 Mo. 36 Mo. 60 Mo. Charge

(A) AAVS Port Per Port - All States V8P $2,660.00 $2,660.00 $2,420.00 $2,200.00 $1,000.00

USOC Monthly

(B) AAVS Facility Usage Per Hour After the First 80 Hours Each Month - All States V8UAH $15.00

(C) AAVS Interswitch Usage Per Hour N - All States 10X8X $20.00

(This page filed under Transmittal No. 937 )

Issued: January 11, 1996 Effective: February 25, 1996

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 6th Revised Page 454.36 CANCELS 5th Revised Page 454.36

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

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AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 2nd Revised Page 454.37.1 CANCELS 1st Revised Page 454.37.1

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

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Four AT&T Plaza, Dallas, Texas 75202

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 2nd Revised Page 454.48 CANCELS 1st Revised Page 454.48

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 454.49 CANCELS 4th Revised Page 454.49

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 454.49.1 CANCELS 4th Revised Page 454.49.1

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 454.50 CANCELS 4th Revised Page 454.50

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 4th Revised Page 454.50.1 CANCELS 3rd Revised Page 454.50.1

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 6th Revised Page 454.51 CANCELS 5th Revised Page 454.51

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 3rd Revised Page 454.51.1 CANCELS 2nd Revised Page 454.51.1

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 454.52 CANCELS 4th Revised Page 454.52

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

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8. Specialized Network Services (cont’d)

(D)

(D)

(This page filed under Transmittal No. 1837 )

Issued: December 17, 2015 Effective: January 1, 2016

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 454.54 Cancels Original Page 454.54

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8. Specialized Network Services (Cont’d) Dx

Dx

xIssued under authority of Special Permission No. 97-279.

(This page filed under Transmittal No. 1122 )

Issued: September 11, 1997 Effective: September 12, 1997

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 454.55 Cancels Original Page 454.55

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8. Specialized Network Services (Cont’d) Dx

Dx

xIssued under authority of Special Permission No. 97-279.

(This page filed under Transmittal No. 1122 )

Issued: September 11, 1997 Effective: September 12, 1997

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 454.56 Cancels Original Page 454.56

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8. Specialized Network Services (Cont’d) Dx

Dx

xIssued under authority of Special Permission No. 97-279.

(This page filed under Transmittal No. 1122 )

Issued: September 11, 1997 Effective: September 12, 1997

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 454.57 Cancels Original Page 454.57

ACCESS SERVICE

8. Specialized Network Services (Cont’d)

Dx

Dx

xIssued under authority of Special Permission No. 97-279.

(This page filed under Transmittal No. 1122 )

Issued: September 11, 1997 Effective: September 12, 1997

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 2nd Revised Page 455 CANCELS 1st Revised Page 455

ACCESS SERVICE

9. Directory Assistance Service

(D) (D)

9.1 General Description

Directory Assistance (DA) Service provides service to DA locations, use of DA access (C) equipment, and use of automated DA to provide telephone numbers or a report that a number is (C) non-published. (C)

9.2 Undertaking of the Telephone Company

(A) Automated DA provided by the Telephone Company, when furnished a city, state and (C) name, will provide or attempt to provide the listed in the Telephone (C) Company’s DA records associated with the name given at the rates and charges as set (T) forth in Section 9.6. The Telephone Company's contact with the customer's end user shall (T) be limited to that effort necessary to process a customer's end user's request for a telephone number; and the Telephone Company will not transfer, forward or redial a customer's end user call to any other location for any purpose other than provision of DA Service.

(B) A maximum of three (3) requests for telephone numbers will be accepted per call to (C) automated DA. (C)

(C) A telephone number which is not listed in DA records will not be available to the customer's end user.

(D) The Telephone Company will specify the DA location which provides the Service for each numbering plan area code (NPA). The DA locations are as shown in National Exchange (T) Carrier Association, Inc. Tariff F.C.C. No. 4. (T)

When it becomes necessary, as determined by the Telephone Company, to change a DA location, the Telephone Company will notify the involved customers six months prior to the change. For such changes, the regulations as set forth in Section 2.1.7 apply. (T)

(E) When DA Service is ordered, Directory Access Service will be provided between the customer premises and the DA location by the Telephone Company at rates and charges, (T) as set forth in Section 9.6. (T)

(This page filed under Transmittal No. 1827 )

Issued: April 6, 2015 Effective: April 21, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 456 CANCELS 2nd Revised Page 456

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.2 Undertaking of the Telephone Company (Cont'd)

(E) (Cont'd)

(1) General

Each Directory Access Service will consist of the following:

- An Interface Group equipped with an available Premises Interface Code at the customer's premises.

- Directory Transport between the premises of the ordering customer and the DA location.

When required by the Telephone Company, a separate Directory Access Service trunk group will be provided for DA Service for each NPA. Separate trunk groups will be required when the Telephone Company notifies the customer that the mechanized search of its data base and its mechanized operator practices require a mechanized identification of the NPA code for which the Customer's end user desires DA information.

Further, when an access tandem is available and is provided, the Directory Access Service will be provided, at Telephone Company choice, either as a separate Directory Access Service trunk group or in combination with Feature Group B or D (D) Switched Access Service.

(2) Interface Group and Premises Interface Code

Interface Groups 2, 6, 9 and 11 as set forth in 6.1.3 (A)(2), preceding, are available (T) for Directory Access Service. When only Directory Access Service is provided, only the following Premises Interface Codes are available:

4DS9-15 6EA2-E 4RV2-0 6EA2-M

4DS6-44 2FCF-54 2FCF-12

(This page filed under Transmittal No. 1801 )

Issued: September 24, 2013 Effective: October 9, 2013

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 457 CANCELS 3rd Revised Page 457

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.2 Undertaking of the Telephone Company (Cont'd)

(E) (Cont'd)

(2) Interface Group and Premises Interface Code (Cont'd)

When Directory Access Service is combined with Feature Group B or D Switched (D) Access Service, the Premises Interface Code for the combination will be the available Premises Interface Code provided for the Feature Group B or D Switched Access (D) Service ordered by the customer. Except as set forth in 9.4.1, following, the Interface (T) Groups and Premises Interface Codes provided under a Special Order for Directory Access Service are subject to the order conditions as set forth in 5, preceding. For (T) purposes of applying the order regulations, a DA location is considered to be a customer end user serving wire center.

(3) Directory Transport

Directory Transport provides the transmission facilities and transport termination between the premises of the ordering customer and the DA location.

Directory Transport services is provided on either a direct routed or access tandem routed basis. When Directory Transport is direct routed between the customer's serving wire center and the DA location, it will be provided via Entrance Facilities and Direct-Trunked Transport services as described in Section 6.1.3(A)(1) at rates set forth in Section 6.9.6.

When Directory Transport is routed through an access tandem, it will be provided via Entrance Facilities and Tandem-Switched Directory Transport services. These Entrance Facilities are described in Section 6.1.3(A)(1), with rates set forth in Section (T) 6.9.6. Tandem-Switched Directory Transport service is described in Section 9.2(E)(3)(a).

Directory Transport routed through an access tandem must be ordered as Entrance (D) Facilities, Direct-Trunked Transport between the serving wire center and the access tandem, and Tandem-Switched Directory Transport between the tandem and the DA location.

The Directory Residual Charge will apply to both direct routed and Tandem-Switched Directory Transport as described in 9.2(E)(3)(b), following. (T)

(This page filed under Transmittal No. 1801 )

Issued: September 24, 2013 Effective: October 9, 2013

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 457.1 Cancels Original Page 457.1

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.2 Undertaking of the Telephone Company (Cont'd)

(E) (Cont'd)

(3) Directory Transport (Cont’d)

For purposes of determining Directory Transport distance for direct-routed Directory Sy Transport, distance will be measured from the wire center that normally serves the customer premises to the DA location(s). This method of measuring distance may also Sy be used until July 1, 1998 when the customer requests tandem-routed Directory Cx Cx Transport on a usage-sensitive basis.. After that date, distance for tandem-routed Sy Directory Transport will be measured in two parts, from the serving wire center to the access tandem, and from the access tandem to the DA location.

Directory Transport is a two-way voice frequency transmission path composed of facilities determined by the Telephone Company. The two-way voice frequency path transports calls in the terminating direction (from the premises of the ordering customer to the DA location). The voice frequency transmission path may be comprised of any form or configuration of plant capable of and typically used in the telecommunications Sy industry for the transmission of voice and associated telephone signals within the frequency band width of approximately 300 to 3000 Hz.

y Material effective January 1, 1998 under Transmittal No. 1135.

(This page filed under Transmittal No. 1136 )

Issued: December 17, 1997 Effective: January 1, 1998

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 458 CANCELS 2nd Revised Page 458

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.2 Undertaking of the Telephone Company (Cont'd)

(E) (Cont'd)

(3) Directory Transport (Cont'd)

The Telephone Company will determine whether the Directory Access Service is to be routed directly to a DA location or through an access tandem switch appropriately equipped for DA measurement and served by DA trunks to the DA location when such an access tandem switch is available. The combination of Feature Group B or D (D) Switched Access Service with DA Service will only be provided at such available and appropriately equipped access tandem switches. If the customer desires the traffic routing to be other than that selected by the Telephone Company, it may request a cooperative effort to determine if customer specified traffic routing can be used in lieu of the Telephone Company selected traffic routing.

When Directory Transport is provided using a Direct-Trunked Transport Service to the DA location, no address signaling is provided. When Directory Transport is provided over a Tandem-Switched Directory Transport Facility, wink start-start pulsing signaling is provided at the access tandem switch. The customer will be notified by the Telephone Company when access tandem routing is provided and the customer shall address each call to the DA location using NPA + 555 + 1212 or, when required by the Telephone Company, 555-1212. Only NPA codes handled by the DA location served by the access tandem switch will be processed.

The number of Directory Transport transmission paths provided is based on the customer's order and is determined by the Telephone Company in a manner similar to Switched Access Service transmission paths as set forth in 6.6.5, preceding. (T)

Directory Transport may, at the option of the customer, be provided for both interstate and intrastate communications. When the customer requests such mixed access, the interstate Directory Transport charges will be determined by the Telephone Company using the data furnished by the customer as set forth in 2.3.10, preceding. (T)

Except as set forth in 9.4.1, following, Directory Transport provided under a Special (T) Order is subject to the order conditions as set forth in 5, preceding. (T)

Directory Transport is provided with one of the Switched Transport Interface Groups as set forth in 6.1.3(A), preceding. Only Switched Transport Interface Groups 2, 6, 9 and (T) 11, subject to the limitations set forth in 6.1.3(A), preceding, will be provided. (T)

(This page filed under Transmittal No. 1801 )

Issued: September 24, 2013 Effective: October 9, 2013

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 458.1

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.2 Undertaking of the Telephone Company (Cont'd)

(E) (Cont'd)

(3) Directory Transport (Cont'd) N (a) Tandem-Switched Directory Transport Services

Tandem-Switched Directory Transport provides transport, between the customer's serving wire center and the DA location that is switched through an access tandem switch. Tandem-Switched Directory Transport consists of circuits dedicated to the use of a single customer from the customer's serving wire center to the access tandem and circuits used in common by multiple customers from the tandem to the end office.

Tandem-Switched Directory Transport is composed of the following three usage sensitive rate elements:

- The Tandem-Switched Directory Termination element includes the non-distance sensitive portion of Tandem-Switched Directory Transport and is assessed on a per message basis.

- The Tandem-Switched Directory Facility element includes the distance sensitive portion of Tandem-Switched Transport is assessed on a per mile per message basis with the mileage measured as set forth in Section 9.6 following.

- The Directory Tandem Switching element includes the access tandem switching associated with Tandem-Switched Directory Transport traffic and is assessed on a per message switched through the tandem.

The recurring charges for Tandem-Switched Directory Transport are set forth in Section 9.7(B) following. The nonrecurring charges for Tandem-Switched Directory Transport services are the same as the nonrecurring charges for Tandem-Switched Transport services and are set forth in Sections 6.8.3(A) and 6.9.6 preceding.

(b) Directory Residual Charge

The Directory Residual Charge rate element includes all Directory Transport functions covered from the other Directory Transport rate elements. It is applied to all interstate customers that connect with DA locations. The rate application for the Directory Residual Charge is described in Section 9.6 following and the rate is set forth in Section 9.7(B) following. N

(This page filed under Transmittal No. 736 )

Issued: September 1, 1993 Effective: December 1, 1993

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 459 Cancels Original Page 459

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.2 Undertaking of the Telephone Company (Cont'd)

(E) (Cont'd)

(3) Directory Transport (Cont'd)

Directory Transport is provided with one of the Local Transport Interface Groups as set C forth in 6.1.3(A) preceding. Only Local Transport Interface Groups 2, 6, 9 and 11, subject to the limitations set forth in 6.1.3(A) preceding, will be provided.

(4) Special Facilities Routing

A customer may request that Directory Access Service be provided via Special Facilities Routing. The regulations, rates and charges for Special Facility Routing (Avoidance, Diversity and Cable Only) are as set forth in 11. following.

(5) Design Layout Report

The Telephone Company will provide to the customer the makeup of the facilities and services provided under this section as Directory Access Service. This information will be provided in the form of a Design Layout Report similar to that as set forth in 6.1.5. Design Layout Reports for Directory Access Service will be provided only when specifically requested by the customer. The Design Layout Report will be provided to the customer at no charge, and will be reissued or updated whenever the facilities provided for the customer's use are materially changed.

(6) Transmission Specifications

Directory Access Service is provided with either Type A or B Transmission Specifications. The specifications associated with the parameters are guaranteed to the DA location, whether routed directly or via an access tandem. Type B Transmission C Specification is provided with Interface Groups 2, 6, 9 and 11 when routed direct to a C DA location. Type A is provided with Interface Groups 2, 6, 9 and 11 when routed via an access tandem switch.

(This page filed under Transmittal No. 670 )

Issued: November 12, 1992 Effective: December 17, 1992

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 4th Revised Page 460 CANCELS 3rd Revised Page 460

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.2 Undertaking of the Telephone Company (Cont'd)

(E) (Cont'd)

(6) Transmission Specifications (Cont'd)

When DA Service is combined with Feature Group D Switched Access Service, Type A Transmission Specification is provided. When DA Service is combined with Feature Group B Switched Access Service, Type B Transmission Specification is provided for Interface Groups 2, 6, 9 and 11. Type A and B Transmission Specifications are set forth in Technical Reference PUB TR-NPL-000334 and AM TR-TMO-000094.

(7) Acceptance Testing and Testing Capabilities

The acceptance testing and testing capabilities for Directory Access Service traffic routed through an access tandem are the same as those for the associated Feature Group D end office switching. The acceptance testing for Directory Access Service traffic routed directly to or routed in a separate trunk group through an access tandem to the DA location will be as set forth in Section 6.1.6. The testing capabilities for (T) Directory Access Service traffic routed directly to or routed in a separate trunk group through an access tandem to the DA location will be as set forth for cooperative scheduled testing or manual scheduled testing in Section 13. (T)

(F) Trunk side switching is provided at the DA Service access location. The DA Service access location will provide trunk answer and disconnect supervisory signaling.

(G) The Telephone Company will distribute the calls received over the Directory Access Services to the automated DA using the DA location access equipment. (C)

(H) If automated DA is unable to provide the telephone number, no charge applies for the call. (C) When the DA location or DA equipment or terminals are out of service due to a Telephone (D) Company equipment failure or an incorrect telephone number is provided, a credit, as set )(T) forth in Section 9.4.8, will apply. (T)

(This page filed under Transmittal No. 1827 )

Issued: April 6, 2015 Effective: April 21, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 4th Revised Page 461 CANCELS 3rd Revised Page 461

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.2 Undertaking of the Telephone Company (Cont'd)

(I) DA Service may, at the option of the customer, be provided for interstate and intrastate communications. When the customer requests such mixed access, the interstate DA Service charges will be determined by the Telephone Company using the data furnished by the customer as set forth in Section 2.3.10. (D)

(J) The Telephone Company does not provide Directory Assistance Service for 800 NXX Access Service or 900 NXX Access Service.

9.3 Obligations of the Customer

(A) The customer shall determine and order the busy hour minutes of capacity and interface type of Directory Access Services it needs for DA Service.

(B) When DA Service is initially ordered, the customer shall order the service for at least six months. Thereafter, service will continue until canceled by the customer.

(C) The customer facilities at the premises of the ordering customer shall provide the necessary on-hook and off-hook supervision.

(D) When requested by the Telephone Company, the customer shall order a separate trunk group for DA Service for each NPA. The conditions when the Customer will be requested to order separate trunk groups for each NPA are set forth in 9.2(E)(1) preceding.

(E) When the customer bills its end users, the customer shall be responsible for all contacts and arrangements with its end users concerning the provision and maintenance of, and the billing and collecting of charges, for DA Service furnished to its end users. When the Telephone Company bills the customer's end user at the request of the customer, contacts and arrangements with customer's end users concerning the billing and collecting of charges will be established in billing contracts with the Ameritech Operating Companies.

(F) The customer understands that automated DA will respond to only three (3) telephone (C) number requests per call and will not transfer, forward or redial the call to another location for any purpose other than the provision of DA Service.

(This page filed under Transmittal No. 1827 )

Issued: April 6, 2015 Effective: April 21, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 462 Cancels 3rd Revised Page 462

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.4 Payment Arrangements

9.4.1 Minimum Periods

The minimum period for which DA Service and the Directory Access Service is provided and for which charges apply is six months. A minimum period of six months applies for each additional period of service ordered or extended.

If DA Service is discontinued prior to the end of each six month period, the charges that apply for the remaining months are the nonrecoverable costs. Such costs include the nonrecoverable cost of equipment and material ordered, provided or used, plus the nonrecoverable cost of installation and removal including the costs of engineering, labor, supervision, transportation, rights-of-way and other associated costs less estimated net salvage.

9.4.2 Minimum Monthly Charge

DA service is subject to a minimum monthly charge. The minimum monthly charge consists of the following elements:

The minimum monthly charge for Directory Assistance Service calls is the charge as set forth in 9.6 following for the actual usage for the month.

For the Directory Transport rate element, the minimum monthly charge is assessed in terms of the Minimum Monthly Usage Charge (MMUC). If the Directory Transport usage charges based on the actual usage for the month are greater than the MMUC, the customer will be assessed the usage charges based on actual usage. If the Directory Transport usage charges based on the actual usage for the month are lower than the MMUC, the customer will be assessed the MMUC charge. The MMUC is determined as set forth in 9.4.3 following. Rates for actual usage are set forth in 9.6 following.

9.4.3 Minimum Monthly Usage Charge (MMUC)

The Minimum Monthly Usage Charge (MMUC) for Directory Transport does not apply at this time.

x Issued on not less than 15 days' notice under authority of Special Permission No. 88- 559. Supersedes material submitted under Transmittal No. 221,

(This page filed under Transmittal No. 243 )

Issued: December 4, 1988 Effective: December 19, 1988

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 6th Revised Page 463 Cancels 5th Revised Page 463

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.4 Payment Arrangements (Cont'd)

9.4.3 Minimum Monthly Usage Charge (MMUC) (Cont'd)

State of Illinois

State of Indiana

x Issued on not less than 15 days' notice under authority of Special Permission No. 88-559.

(This page filed under Transmittal No. 243 )

Issued: December 4, 1988 Effective: December 19, 1988

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 464 Cancels 2nd Revised Page 464

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.4 Payment Arrangements (Cont'd)

9.4.3 Minimum Monthly Usage Charge (MMUC) (Cont'd)

State of Michigan

State of Ohio

State of Wisconsin

x Issued on not less than 15 days' notice under authority of Special Permission No. 88-559.

(This page filed under Transmittal No. 243 )

Issued: December 4, 1988 Effective: December 19, 1988

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 465 Cancels Original Page 465

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.4 Payment Arrangements (Cont'd)

9.4.3 Minimum Monthly Usage Charge (MMUC) (Cont'd)

State of Michigan

State of Ohio

State of Wisconsin

x Issued on not less than 15 days' notice under authority of Special Permission No. 88-559.

(This page filed under Transmittal No. )

Issued: September 20, 1988 Effective: November 4, 1988

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 2nd Revised Page 466 CANCELS 1st Revised Page 466

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.4 Payment Arrangements (Cont'd)

9.4.8 Credit Allowance for DA Service

(A) When the DA location or DA equipment or terminals are out of service due to a (D) Telephone Company equipment failure or an incorrect number is provided and a customer DA call has been answered or forwarded to automated DA, a credit (C) allowance for a call answered or forwarded to automated DA equal to the rate for a (C) Directory Assistance Service Call, as set forth in Section 9.6, plus the rate for a (T) Directory Transport call will be applied to the customer's charges. The rate for a Directory Transport call will be the average of the Directory Transport rates per call as set forth in Section 9.6. (T)

(B) In addition to the credit as set forth in Section 9.4.8(A), when automated DA or DA (C) equipment provides an incorrect number for a call and the customer reports such occurrences to the Telephone Company, a credit allowance for such DA call will apply. The credit will be as set forth in Section 9.4.8 (C). When the customer (T) reports such a call and the number requested, the number provided and the reason the number provided is incorrect, the number of calls for which a credit will apply will be developed by the Telephone Company in cooperation with the customer.

(C) When a DA call is not completed due to the failure of Directory Access Service to DA locations, DA access equipment or automated DA activities, a credit allowance (C) for the Switched Access Service portion in the originating LATA of such DA call will apply. When the customer reports such a call and DA number dialed, time of the call and the date of the call, the number of calls for which a credit will apply will be developed by the Telephone Company in cooperation with the customer. The credit will be as set forth following:

(This page filed under Transmittal No. 1827 )

Issued: April 6, 2015 Effective: April 21, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 60th Revised Page 467 CANCELS 59th Revised Page 467

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.4 Payment Arrangement (Cont'd)

9.4.8 Credit Allowance for DA Service (Cont'd)

(C) (Cont'd)

Unbundled All States

(D) (D) (D)

(1) Credit per call when Switched (T) Access Service is billed using Premium per minute rates (0.001334)*

Bundled All States

(D) (D) (D)

(1) Credit per call when Switched (T) Access Service is billed using Premium per minute rates (0.001334)*

* ( ) equals a negative amount.

Rates contained in this transmittal are subject to subsequent adjustment, effective retrospectively, in the event the Commission or a court subsequently authorizes Ameritech to correct its rates pursuant to pending motions, or petitions for reconsideration or waiver, or in the event of any other adjustment to an order of the Commission or a court.

(This page filed under Transmittal No. 1821 )

Issued: December 11, 2014 Effective: December 26, 2014

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 13th Revised Page 468 CANCELS 12th Revised Page 468

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.5 Directory Assistance Service Optional Features

(A) Directory Assistance Branding

Directory Assistance Branding (DA Branding), where technically feasible and/or (C) available, is an optional feature available to Directory Assistance Service customers that (C) establishes the identity of the customer providing DA Service to end users through the use of a recorded announcement on all calls to the customer's Directory Assistance Service. The recorded announcement will be provided to the calling end user customer before the automated DA begins handling the Directory Assistance Service Call. The (C) customer will provide the Telephone Company with the recorded announcement to be used for the DA Branding announcement. The announcement must be three seconds or less in duration. The content of the announcement must only contain an announcement identifying the customer providing the service and not contain advertising or any other information and is subject to the approval of the Telephone Company.

DA Branding is ordered on an NPA basis. The customer must have a separate direct routed Directory Access Service trunk group between their premises and the DA location for each Numbering Plan Area (NPA) in which DA Branding is requested. DA Branding is available where facilities permit.

A Nonrecurring charge, as specified in Section 9.7, applies for the installation of DA (T) Branding on new or existing Directory Access Service trunk groups. This charge will be assessed for each trunk group on which DA Branding is provided. This charge is in addition to any applicable Directory Access Service nonrecurring charges.

(B) Directory Assistance Call Completion

Directory Assistance Call Completion (DACC), where technically feasible and/or available, (C) is an optional feature available to Directory Assistance Service customers and provides for the automatic completion of Directory Assistance (DA) calls for the customer’s end users. With the DACC optional feature, the customer’s end user will receive a prompt from an Automatic Response Unit (ARU) once the requested telephone number is located. If the end user responds positively to the prompt, the call will automatically be routed back to the IC’s point of presence (POP) for completion to the requested number.

DACC is ordered on an NPA basis. The customer must order a direct routed incoming facility equipped with FGD signaling between their premises and the DA location for each NPA in which DACC will be offered. The direct routed facility will consist of Entrance Facilities and Direct-Trunked Transport services as described in Section 6.1.3, at rates set (T) forth in Section 6.9.6. The outgoing facility will be a one-way direct routed facility. DACC is available where facilities permit.

A charge per call, as specified in Section 9.7, applies for each call that is completed or (T) attempted. This charge is in addition to the normal Directory Access Service charges specified in Section 9.7 and Switched Access charges specified in Section 6. (T)

(This page filed under Transmittal No. 1827 )

Issued: April 6, 2015 Effective: April 21, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 9th Revised Page 469 CANCELS 8th Revised Page 469

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.6 Rate Regulations

The Directory Assistance service call charge, as set forth in Section 9.7(A),applies for each (T) call to DA Service. A DA Service call is a call which has been answered by or forwarded to (C) automated DA. No charge applies if the automated DA is unable to find the requested (C) telephone number. The number of calls answered or forwarded to DA Service will be (C) accumulated by Telephone Company measuring equipment. A credit for the provision of an incorrect telephone number will be applied as set forth in Section 9.4.8. (D)

Rate zones are applicable to Tandem Switched Directory Transport service described in this section. Each Telephone Company Wire Center has been assigned to a rate zone as described in Section 6.10. Rate zones for the Directory Residual Charge are applicable in (D) the Chicago, Illinois and Grand Rapids, Michigan LATAs (LATAs 358 and 348, respectively).

- Tandem Switched Directory Transport Termination and Tandem Switched Directory Transport Facility rates are dependent upon the zone assignment of the Telephone Company access tandem and the wire center of the DA location.

- Tandem Switched Directory Transport mileage that is computed between wire centers in different rate zones will be assigned the rates in the higher rate zone.

- Directory Tandem Switching rates will be determined by the location of the access tandem.

- Directory Residual rates will be determined by the location of the originating end office for the DA call.

The mileage for Directory Transport, provided over either Direct-Trunked Directory Transport Services or Tandem-Switched Directory Transport Services, is measured from the serving wire center for the premises of the ordering customer to the DA location. This provision for measuring mileage for Tandem-Switched Directory Transport expires July 1, 1998. After that date, Tandem-Switched Directory Transport mileage will be measured in two parts, from the serving wire center to the access tandem, and from the access tandem to the DA location. The method for measuring mileage is set forth in the National Exchange Carrier Association, Inc. (T) Tariff F.C.C. No. 4 for Wire Center Information (V&H Coordinates). Title Page notwithstanding, these two wire centers may be in different LATAs. In addition, the premises of the ordering customer must be in the LATA where DA service is requested or in the LATA where the DA location is located. The measurement will be performed as set forth in Section 6.8.12. (T)

The Directory Residual Charge applies to all interstate customers that connect with DA locations. The Directory Residual Charge is applied for each call to DA service.

The charges per call for Directory Transport provided over Tandem-Switched Directory Transport Services are set forth in Section 9.7(B). These charges apply for each call to DA (T) service. A DA Service call is as set forth, preceding. The number of calls will be accumulated (C) as set forth, preceding.

(This page filed under Transmittal No. 1827 )

Issued: April 6, 2015 Effective: April 21, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 46th Revised Page 470 Cancels 45th Revised Page 470

9. Directory Assistance Service (Cont'd) 9.7 Rates and Charges The rates and charges are: Rates (A) Directory Assistance Service call, each All States $.203400 (B) Directory Access Service - Directory Access Charges are the same Nonrecurring Charges as those set forth in 6.9.3(A) preceding and 6.9.6(B) preceding - Tandem-Switched - Directory Transport Directory Assistance Directory Assistance Transport Transport Facility Termination Rate Per Call Rate Per Call Per Mile

- Illinois Zone 1 $ .000070(R) $ .000013(R) Zone 2 $ .000070(R) $ .000013(R) Zone 3 $ .000070(R) $ .000013(R) Zone 4 $ .000070(R) $ .000013(R) Zone 5 $ .000070(R) $ .000013(R) - Indiana Zone 1 $ .000070(R) $ .000013(R) Zone 2 $ .000070(R) $ .000013(R) Zone 3 $ .000070(R) $ .000013(R) Zone 4 $ .000070(R) $ .000013(R) Zone 5 $ .000070(R) $ .000013(R) - Michigan Zone 1 $ .000070(R) $ .000013(R) Zone 2 $ .000070(R) $ .000013(R) Zone 3 $ .000070(R) $ .000013(R) Zone 4 $ .000070(R) $ .000013(R) Zone 5 $ .000070(R) $ .000013(R) - Ohio Zone 1 $ .000070(R) $ .000013(R) Zone 2 $ .000070(R) $ .000013(R) Zone 3 $ .000070(R) $ .000013(R) Zone 4 $ .000070(R) $ .000013(R) Zone 5 $ .000070(R) $ .000013(R) - Wisconsin Zone 1 $ .000070(R) $ .000013(R) Zone 2 $ .000070(R) $ .000013(R) Zone 3 $ .000070(R) $ .000013(R) Zone 4 $ .000070(R) $ .000013(R) Zone 5 $ .000070(R) $ .000013(R)

Rates contained in this transmittal are subject to subsequent adjustment, effective retrospectively, in the event the Commission or a court subsequently authorizes Ameritech to correct its rates pursuant to pending motions, or petitions for reconsideration or waiver, or in the event of any other adjustment to an order of the Commission or a court.

(This page filed under Transmittal No. 1270 )

Issued: June 18, 2001 Effective: July 3, 2001

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 15th Revised Page 470.1 Cancels 14th Revised Page 470.1

9. Directory Assistance Service (Cont'd) 9.7 Rates and Charges (B) Directory Access Service (Cont'd) Directory Tandem Switching Rate Per Call - Per DA Call - Illinois Zone 1 $ .000268(R) Zone 2 .000355(R) Zone 3 .000957(R) Zone 4 .000957(R) Zone 5 .000957(R) - Indiana Zone 1 $ .000268(R) Zone 2 .000355(R) Zone 3 .000957(R) Zone 4 .000957(R) Zone 5 .000957(R) - Michigan Zone 1 $ .000268(R) Zone 2 .000355(R) Zone 3 .000957(R) Zone 4 .000957(R) Zone 5 .000957(R) - Ohio Zone 1 $ .000268(R) Zone 2 .000355(R) Zone 3 .000957(R) Zone 4 .000957(R) Zone 5 .000957(R) - Wisconsin Zone 1 $ .000268(R) Zone 2 .000355(R) Zone 3 .000957(R) Zone 4 .000957(R) Zone 5 .000957(R)

Directory Residual Charge - Per DA Call

Illinois $.000000

Rates contained in this transmittal are subject to subsequent adjustment, effective retrospectively, in the event the Commission or a court subsequently authorizes Ameritech to correct its rates pursuant to pending motions, or petitions for reconsideration or waiver, or in the event of any other adjustment to an order of the Commission or a court.

(This page filed under Transmittal No. 1270 )

Issued: June 18, 2001 Effective: July 3, 2001

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 7th Revised Page 470.2 Cancels 6th Revised Page 470.2

9. Directory Assistance Service (Cont'd)

9.7 Rates and Charges (Cont’d)

Directory Residual Charge - Per DA Call Rate per Call

Indiana $.000000

Michigan .000000 (C)

(D)

(D)

Ohio .000000

Wisconsin .000000

(C) Directory Assistance Branding Nonrecurring Charge Per Trunk Group Per Trunk Group All States $650.00

(D) Directory Assistance Call Completion - Per DA Call .226

(This page filed under Transmittal No. 1252 )

Issued: November 3, 2000 Effective: November 18, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 11th Revised Page 471 Cancels 10th Revised Page 471

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.8 (D)

.

(D)

(This page filed under Transmittal No. 1687 )

Issued: December 5, 2008 Effective: December 20, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 471.1 Cancels 4th Revised Page 471.1

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.8 (D)

(D)

(This page filed under Transmittal No. 1687 )

Issued: December 5, 2008 Effective: December 20, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 471.2 Cancels 4th Revised Page 471.2

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.8 (D)

(D)

(This page filed under Transmittal No. 1687 )

Issued: December 5, 2008 Effective: December 20, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 7th Revised Page 471.3 Cancels 6th Revised Page 471.3

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.8 (D)

(D)

(This page filed under Transmittal No. 1687 )

Issued: December 5, 2008 Effective: December 20, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 471.4 Cancels 4th Revised Page 471.4

ACCESS SERVICE

9. Directory Assistance Service (Cont'd)

9.8 (D)

(D)

(This page filed under Transmittal No. 1687 )

Issued: December 5, 2008 Effective: December 20, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 472 CANCELS 1st Revised Page 472

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements

10.1 General

This section covers Specialized Service or Arrangements that are provided to a customer for use only by agencies or branches of the Federal Government and other users authorized by the Federal Government. In addition, this section covers TSP procedures as set forth in this section and as administrated by the Federal Government. Services provided to state emergency operations centers are included. These services provide for command and control communications, including communications for national security, emergency preparedness and presidential requirements. They are required to assure continuity of Government in emergency and crisis situations and to provide for national security.

Services for command and control communications and for national security and emergency preparedness sometimes require short notice and short duration service provisions. These provisions are especially needed to meet presidential requirements or in response to natural, man- made, or declared emergencies. Requirements of this type cannot be forecasted and are usually needed for a relatively short period. The provision of service under these conditions may require the availability of facilities, such as portable microwave equipment, which are provided on a temporary basis by the Telephone Company or customer.

10.2 Emergency Conditions

These services will be provided on the date requested or as soon as possible thereafter when the emergency falls into one of the following categories:

- State of crisis declared by the National Command Authorities (includes commitments made to the Office of Emergency Communications in the "National Plan for Emergencies and Major (T) Disasters").

- Efforts to protect endangered U.S. personnel or property both in the U.S. and abroad. (Includes space vehicle recovery and protection efforts.)

- Communications requirements resulting from hostile action, a major disaster or a major civil disturbance.

- The director (Cabinet level) of a Federal department, Commander of a Unified/Specified Command, or head of a military department has certified that a communications requirement is so critical to the protection of life and property or to the National Defense that it must be processed immediately.

(This page filed under Transmittal No. 1798 )

Issued: August 28, 2013 Effective: September 12, 2013

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 473 Cancels 1st Revised Page 473

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.2 Emergency Conditions (Cont'd)

- Political unrest in foreign countries which affect the national interest.

- Presidential service.

10.3 Intervals to Provide Service

Certain services provided under the provisions of this section of the tariff are provided on an individual case basis. Therefore, orders for such service shall be placed under the Negotiated Interval provisions set forth in 5.2.1(B) preceding.

10.4 Safeguarding of Service

10.4.1 Facility Availability

In order to insure communications during periods of emergency, the Telephone Company will, within the limits of good management, make available the necessary facilities to restore service in the event of damage or to provide temporary emergency service, as set forth in Sections 10.6.1(D) and 10.6.3(E), following. In order to meet the requirements of agencies or branches of the Federal Government, the Telephone Company may utilize government- owned facilities, when necessary to provide service.

10.5 Federal Government Regulations

In accordance with Federal Government Regulations, all service provided to the Federal Government will be billed in arrears. However, this provision does not apply to other customers that obtain services under the provisions of this tariff to provide their services to the Federal Government.

10.6 Service Offerings

The following unique services are provided to a customer for use only by agencies or branches of the Federal Government, other authorized users and state emergency operations centers. The rates and charges for certain services shall be developed on an individual case basis and shall be consistent with the rates and charges for services offered in other sections of this tariff.

(This page filed under Transmittal No. 507 )

Issued: January 8, 1991 Effective: February 12, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 474

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.1 Type and Description

(A) Voice Grade Special Access Service

(1) Voice Grade Secure Communications Type I

Approximate bandwidth of 10-50,000 Hertz. Furnished for two-point secure communications on two-wire or four-wire metallic facilities between an IC premises and an end user's premises. Services are conditioned as follows:

T-3 Conditioning - The absolute loss (referenced to 1 milliwatt) with respect to frequency shall not exceed:

15 dB at 10 Hz 13 dB at 100 Hz 9 dB at 1,000 Hz 20 dB at 10,000 Hz 30 dB at 50,000 Hz

Additional conditioning (available in one or two directions on four-wire facilities only) to provide the following characteristics:

The absolute loss (referenced to one milliwatt) with respect to frequency shall not exceed:

0 dB at 1,000 Hz + 1dB between 1,000 Hz and 40,000 Hz + 2dB between 10 Hz and 50,000 Hz (+ means more loss)

The net loss of the conditioned service (with or without additional conditioning) shall not vary by more than four dB at 1,000 Hz from the levels specified above. Voice frequency signaling or supervisory tones can be transmitted.

(2) Voice Grade Secure Communications Type II

Approximate bandwidth 10-50,000 Hz. Furnished on four-wire metallic facilities for duplex operation for two-point secure communications between an IC premises on an end user's premises and an end user's premises. Services are conditioned as follows:

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 475

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.1 Type and Description (Cont'd)

(A) Voice Grade Special Access Service (Cont'd)

(2) Voice Grade Secure Communications Type II (Cont'd)

G-1 Conditioning - The absolute loss with respect to frequency and the net loss variation shall be the same as Voice Grade Secure Communications Type I services without additional conditioning. Voice frequency signaling or supervisory tones can be transmitted.

(3) Voice Grade Secure Communications Type III

Approximate bandwidth 10-50,000 Hz. Furnished on four-wire metallic facilities for duplex operation for two-point secure communications between an IC premises switch and an end user's premises. Services are conditioned as follows:

G-2 Conditioning - The absolute loss with respect to frequency and the net loss variation from the switch to an end user's premises shall be the same as Voice Grade Secure Communications Type I services without additional conditioning; from an end user's premises to the switch shall be the same as Voice Grade Secure Communications Type I services with additional conditioning. Voice frequency signaling or supervisory tones can be transmitted.

(4) Voice Grade Secure Communications Type IV

Approximate bandwidth 10-50,000 Hz. Furnished on four-wire metallic facilities for duplex operation for two-point secure communication between two IC premises switches. Services are conditioned as follows:

G-3 Conditioning - The absolute loss with respect to frequency and the net loss variation shall be the same in both directions of transmission as Voice Grade Secure Communications Type I services with additional conditioning. Voice frequency signaling or supervisory tones can be transmitted.

(This page filed under Transmittal No. 18 )

Issued: June 2, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 2nd Revised Page 476 CANCELS 1st Revised Page 476

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.1 Type and Description (Cont'd)

(B) Reserved for Future Use (T)

(D)

(D)

(C) Special Routing Access Service

Special Routing Access Service is furnished only to AT&T Communications (AT&T-C) for an agency or branch of the Federal Government. This service provides the customer's end users the ability to originate and terminate calls to or from the customer's premises utilizing a Special Routing Plan. This service is an optional service which operates in conjunction with Trunk Side Premium Access Service furnished to AT&T-C under other provisions of this tariff.

The Telephone Company will record Special Routing Access Service Active Mode Trunk Usage, and will bill the customer in accordance with these records. The hours for each trunk ordered will be summed and then rounded to the nearest hour, except that when the total is less than one hour, one hour will be used to determine the charge.

(D)

(This page filed under Transmittal No. 1818 )

Issued: October 28, 2014 Effective: November 12, 2014

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 477 Cancels 3rd Revised Page 477

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.1 Type and Description (Cont'd)

(D) Telecommunications Service Priority (TSP) System

(1) Priority installation and/or restoration of NSEP telecommunications services shall be provided in accordance with Part 64.401, Appendix A, of the Federal Communications Commission's (FCC's) Rules and Regulations.

In addition, TSP System service shall be provided in accordance with the guidelines set forth in "Telecommunications Service Priority (TSP) System for National Security Emergency Preparedness (NSEP) Service Vendor Handbook" (NCS) Handbook 3-1-2 dated July 9, 1990, and "TSP System for National Security Emergency Preparedness (NSEP) Service User Manual (NCS) M 3-1-1.

The TSP System is a service, developed to meet the requirements of the Federal Government as detailed in Service Vendor's Handbook, and Service User Manual which provides the regulatory, administrative and operational framework for the priority installation and/or restoration of (NSEP) telecommunications services. These include both Switched and Special Access Services. The TSP System applies only to NSEP telecommunications services, and requires and authorizes priority action by the Telephone Company providing such services. TSP System applicability is limited to Access Services which the Telephone Company can discreetly identify for Priority Installation and/or Priority Restoration.

(2) Some of the elements required for the TSP System are included in other sections of this tariff as general service offerings. They have been referenced in this section to reflect the complete TSP System with appropriate references to those other sections of the tariff for regulations, rates and charges.

(3) The customer for TSP System Service also must be the same customer for the Access Service with which it is associated.

(This page filed under Transmittal No. 507 )

Issued: January 8, 1991 Effective: February 12, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 477.1 Cancels Original Page 477.1

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.1 Type and Description (Cont'd)

(D) Telecommunications Service Priority (TSP) System (Cont'd)

(4) Under certain conditions it may be necessary to preempt one or more customer services with a lower or no restoration priority in order to install or restore NSEP telecommunications service(s) of a higher priority. If such preemption is necessary, and if circumstances permit, the Telephone Company will make reasonable effort to notify the preempted service customer of the action to be taken. Credit allowance for such service preemption shall be made in accordance with the provisions set forth in 2.4.4(E) preceding concerning Temporary Surrender of a service.

(5) The customer, in obtaining TSP System service, acknowledges and consents to the provision of certain customer service record information by the Telephone Company to the Federal Government as denoted in The TSP Service Vendor Handbook in order for the Government to maintain and administer its overall TSP System. This customer service record information will include only TSP Authorization Code and Telephone Company Circuit/Service ID.

(6) When Priority Restoration Maintenance and Administration, as defined in the TSP Service Vendor Handbook, is discontinued (Revocation of Assigned Restoration Priority), and the associated Access Service is continued in service, the charge specified in 10.6.3(E)(2)(c) will not apply for such a discontinuance.

(7) Credit allowance for service interruption for Priority Restoration Maintenance and Administration shall be the same as for the Access Service with which it is associated as set forth in 2.4.4 preceding.

(8) Certain activities performed by the Telephone Company associated with the TSP System, as specified in the Service Vendor Handbook, are included in the rate elements as follows:

(a) Priority Installation Invocation includes System Development, Verification, Confirmation and Preemption.

(This page filed under Transmittal No. 507 )

Issued: January 8, 1991 Effective: February 12, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 477.2 Cancels Original Page 477.2

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.1 Type and Description (Cont'd)

(D) Telecommunications Service Priority (TSP) System (Cont'd)

(8) (Cont'd)

(b) Priority Restoration Level Implementation includes System Development, Verification and Confirmation.

(c) Priority Restoration Level Change includes Verification and Confirmation.

(d) Priority Restoration Maintenance and Administration includes Reconciliation and Preemption.

(9) The regulations in 13.2 following for Additional Labor and/or Engineering not withstanding, when performing Priority Restoration (Repair) and/or Priority Installation of an Access Service the Telephone Company will attempt but, due to circumstances beyond its control, may not be able to notify the customer when Additional Labor charges, as set forth in 13.2.6 following, apply before the required Additional Labor is undertaken. In obtaining a Restoration Priority, the customer recognizes that quoting charges for Additional Labor and obtaining permission to proceed with the restoration of certain Access Services will cause unnecessary delays and, therefore, would be contrary to the aforementioned Rules and Regulations.

In subscribing to Restoration Priority and/or Priority Installation service the customer recognizes this condition and grants the Telephone Company the right to quote charges after the restoration has been completed.

(10) The existing Restoration Priority (RP) System, as delineated in Section 13.3.2, following, will be transitioned to the TSP System over a 30 month period beginning September 10, 1990. Both systems will be in effect during the transition period. Customers have the entire period to make the transition from RP certifications to TSP arrangements. No new RP assignments will be permitted after September 10, 1990. All RP certifications not already transitioned to TSP will be cancelled at the end of the transition period.

(This page filed under Transmittal No. 507 )

Issued: January 8, 1991 Effective: February 12, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 477.2.1 Cancels 2nd Revised Page 477.2.1

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.1 Type and Description (Cont'd)

(E) Federal Government Term Discount Plan (FGTDP)*

(1) General

(a) The Federal Government Term Discount Plan (FGTDP) will be provided to any customer awarded a contract to provide telecommunications services for the exclusive use of the Federal Government and its authorized agents. The FGTDP will allow each of the Federal Government's authorized contractors providing network services under contract to obtain discounted rates for specified services in return for certain term commitments.

(b) In addition to the specific terms and conditions of this Plan described below, all other General Regulations for this Plan are contained in Sections 1, 2, and 5 preceding.

(2) Service Component Limitation

This Plan is limited to Direct Analog, DS1 and DS3 service offerings as described in Section 7, preceding.

(T) *Effective November 25, 2004, Federal Government Term Discount Plan will no longer be available to new customers.. There will be no change to existing customers.

(This page filed under Transmittal No. 1429 )

Issued: December 13, 2004 Effective: December 28, 2004

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 477.2.2 Cancels 2nd Revised Page 477.2.2

ACCESS SERVICE

(This page filed under Transmittal No. 1429 )

Issued: December 17, 2006 Effective: January 1, 2007

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 477.2.3 Cancels 3rd Revised Page 477.2.3

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.1 Type and Description (Cont'd)

(E) Federal Government Term Discount Plan (FGTDP) (Cont'd)*

(3) Terms and Conditions (Cont'd)

(f) Except as specified in (c) preceding, customers requesting termination of service prior to the expiration date of the plan term will be liable for a termination charge. The termination charge will be the dollar difference between what the customer paid under the plan and the rates that the customer would have paid absent the plan.

(4) Plan Discounts

(a) Direct Analog

The following plan discounts will be applied each month to prevailing Direct Analog service monthly rates as specified in Section 7.5.3 preceding: Term Commitment Discount

36 Months 3 percent 60 Months 5 percent

(b)DS1 and DS3

Discounted rates for 12 month, 24 month, 36 month, 48 month and 60 month DS1 and DS3 service term commitments will be applied each month to the prevailing DS1 and DS3 rates as specified in Section 7.5.9 preceding and will be the dollar difference between the rate applicable for the service within the rate zone normally assigned to the customer's serving wire center, as specified in Section 7.4.1 preceding, and the next lower rate zone.

At the expiration of the FGTDP term the customer may select a new FGTDP term at the prevailing FGTDP rate or convert to a month to month rate. Customers completing an FGTDP term that converts to a month to month rate will continue to receive the rate zone upgrade for the month to month service.

*Effective November 25,2004, Federal Government Term Discount Plan will no longer be available to new customers. There will be no change to existing customers. (T)

(This page filed under Transmittal No. 1429 )

Issued: December 13, 2004 Effective: December 28, 2004

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 477.2.4 Cancels 2nd Revised Page 477.2.4

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program

(1) General Description

This section contains regulations, rates and charges applicable to the provision of SBC FAST Program to any customer awarded a contract to provide telecommunications services for the exclusive use of the Federal Government, Agencies of the Federal Government, or authorized agents of the Federal Governments. The SBC FAST Program will allow each of the Federal Government’s authorized contractors providing network services under contract to obtain discounted rates for specified services in return for certain term commitments for dedicated Special Access connections to government locations.

(2) Services Available Under SBC FAST Program

SBC FAST Program is provided as a monthly service arrangement with a 3 year service period for the following services listed below:

Service General/Basic Description

DS1 AND DS3 7.2.9 (D) (1) 7.2.13

(1) 23.1 (D)

(1) 7.2.10 (D)

(1) Material in this Section has been de-tariffed as required by the Commission upon use of the forbearance relief pursuant to FCC Memorandum Opinion and Order No. 07-180, released October 12, 2007. Terms and Conditions associated with de-tariffed services are available at www.att.com/guidebook.

(This page filed under Transmittal No. 1666 )

Issued: January 24, 2008 Effective: February 8, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 477.2.5 Cancels Original Page 477.2.5

10. Federal Government Specialized Service Arrangements (Cont’d)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(3) Limitations

(a) For Services ordered under SBC FAST Program, the following charges will be waived for new installation:

(1) DS1 Design and Central Office Connection Charge (2) DS1 Customer Connection Charge (3) DS3 Design and Central Office Connection Charge (4) DS3 Customer Connection Charge

However the nonrecurring charges will apply pursuant to the DS1 or DS3 moves, Section 10.6.1, (F)(5), following.

(b) All other nonrecurring charges will apply including the administrative charge.

(c) When a rate element is ordered under the SBC FAST Program, that rate element may not be used for non-SBC FAST Program services. There is one exception to this limitation, which is, lower speed non-

FAST Program services may occupy a channel of a SBC FAST

Program DS1 service as long as the lower speed service is being (N) provided to a SBC FAST Program eligible customer. Rate elements (N) not included in this plan as specified in Section 10.6.1(F)(7) are not (N) available under SBC FAST Program and must be purchased from (N) the appropriate tariff section.

(d) During the term of the selected SBC FAST Program, Telephone Company initiated recurring rate changes (increases or decreases) will automatically be applied to the monthly charges for the remaining months of the current SBC FAST Program term.

(e) The monthly recurring rate during the SBC FAST Program term will never exceed the rate in effect at the beginning of the customer SBC Fast Program term.

(f) The SBC FAST Program cannot be combined with any other tariffed services, discounts, or pricing flexibility contracts, unless explicitly stated in the respective tariff terms and conditions.

(g) Services receiving term discounts under this plan are excluded from any application of Shared Use provisions in Section 7.4.9 preceding.

(This page filed under Transmittal No. 1523 )

Issued: December 13, 2005 Effective: December 28, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 477.2.6

10. Federal Government Specialized Service Arrangements (Cont’d) (N)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(4) Conversions and Upgrades

(a) Conversions of FGTDP Service to a new SBC FAST Program

Conversions from FGTDP Service to a new 3-year SBC FAST Program term may be made if the expiration date for the new 3-year SBC FAST Program term is beyond the expiration of the original FGTDP service being converted and will become effective upon completion of the conversion activity. The rates, terms, and conditions applicable for the new 3-year SBC FAST Program term will be those in effect at the time the conversion is completed. Administrative Charges will apply for conversions of existing FGTDP Service to a new 3-year SBC FAST Program term.

(b) Conversions of existing SBC FAST Program services to a different SBC FAST Program term

At any time prior to the expiration of the SBC FAST Program term, if the SBC FAST Program has not been grandfathered, a conversion may be made to a new 3-year SBC FAST Program term. The SBC FAST Program term must occur between the same two termination points as the original service being converted and will become effective upon completion of the conversion activity. The rates, terms, and conditions applicable for the new 3-year SBC FAST Program term will be those in effect at the time the conversion is completed. Administrative Charges will apply for the conversion of an existing SBC FAST Program term to a new 3-year SBC FAST Program.

(c) Upgrading an existing SBC FAST Program service to a Higher Speed Service

At any time during the SBC FAST Program term, service may be upgraded to a higher speed service. The new higher speed service must occur between the same two termination points as the original service being upgraded. The new higher speed service must be on a new term contract that has an expiration date beyond the expiration date of the SBC FAST Program term being terminated. The rates, terms, and conditions applicable for the new contract term of the higher speed service will be those in effect at the time the conversion is completed. Nonrecurring installation and ordering charges associated with the higher speed service are applicable.

(N)

(This page filed under Transmittal No. 1420 )

Issued: November 10, 2004 Effective: November 25, 2004

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 477.2.7 Cancels Original Page 477.2.7

10. Federal Government Specialized Service Arrangements (Cont’d)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(4) Conversions and Upgrades (Cont’d)

(d) Conversion from existing Month-to-Month service to a new SBC FAST Program Term

Customers may convert from existing month-to-month service to a new 3- year SBC FAST Program term. If there are no physical changes to service, the Administrative Order Charge will apply. If physical changes occur, the activity would be classified as a termination of the month-to-month service and installation of a new 3-year SBC FAST Program term. Customer will be responsible for all nonrecurring installation and ordering charges associated with the new SBC FAST Program term.

(5) DS1 or DS3 Moves

During an SBC FAST Program term a customer may move one end of a DS1 or DS3 SBC FAST Program Service to another location in the same LATA and keep the DS1 or DS3 SBC FAST Program in force provided the following requirements are met:

(a) The minimum in-service period at the previous location must have been met. The new location will be subject to a new minimum in- service period;

(b) The move is accommodated on a single customer order with the stipulation that the Billing Account Number (BAN), the Network Channel Code (NC), Access Customer Terminal Location (ACTL) and the Circuit ID (ECCKT) are provided and are the same as for the existing circuit being moved. Moves to a different wire center may result in change in the application of the rate elements associated with the service and therefore could result in a change in the monthly recurring charges.

If no lapse in service occurs and if the requirements in (a) and (b) as stated previously are met, termination liability will not apply. Nonrecurring Charges and Administrative Order Charge for the physical move will apply per the following Installation and Rearrangement Charge Tariff sections at 3 year term plan rates:

• Section 7.5.15 • Section 21.5.2.11

(N)

(N)

(This page filed under Transmittal No. 1523 )

Issued: December 13, 2005 Effective: December 28, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 477.2.8 Cancels Original Page 477.2.8

10. Federal Government Specialized Service Arrangements (Cont’d)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(6) Termination Liability

When an SBC FAST customer’s disconnection is governed by the Federal Acquisition Regulations, then the termination provisions found in the Federal Acquisition Regulations apply.

When SBC FAST customer’s disconnection is not governed by the termination provisions of the Federal Acquisition Regulations, a termination charge will be calculated as follows:

(Monthly Recurring SBC FAST rate) X (number of net terminated SBC FAST circuits subject to Termination Charges) X (months remaining in SBC FAST term) X (50.00%).

Example: An agent of the Federal Government disconnects one SBC FAST DS1 in month 30 of the 36 month term. The monthly recurring charge for the DS1 is $300.00. The reason for the disconnection is the Agent is going to use another company’s facilities to provide the Federal Government with service. Termination liability charges will be calculated as follows: $300.00 X 1 X 6 mos. X .50 = $900.00

(E) Expiration of SBC FAST Program

The SBC FAST Program term is not available for renewal. At the expiration of the SBC FAST Program term, the customer may select a new SBC FAST Program term at the prevailing SBC FAST Program rates. If a customer does not wish to purchase (N) a new SBC FAST Program term at the expiration of the term, the customer’s service will automatically convert to the current month-to-month or monthly extension rates found in the appropriate tariff section.

(N)

(This page filed under Transmittal No. 1523 )

Issued: December 13, 2005 Effective: December 28, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 477.2.9

10. Federal Government Specialized Service Arrangements (Cont’d) (N)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(7) Rates and Charges

(A) High Capacity DS1 Service USOC 3 Year

Local Distribution Channel-per Point of

Termination

Illinois

Zone 1 TZ4X1 $ 90.00

Zone 2 TZ4X2 95.00

Zone 3 TZ4X3 105.00

Zone 4 TZ4X4 110.00

Zone 5 TZ4X5 115.00

Indiana & Wisconsin

Zone 1 TZ4X1 100.00

Zone 2 TZ4X2 110.00

Zone 3 TZ4X3 120.00

Zone 4 TZ4X4 125.00

Zone 5 TZ4X5 130.00

Michigan & Ohio

Zone 1 TZ4X1 95.00

Zone 2 TZ4X2 105.00

Zone 3 TZ4X3 115.00

Zone 4 TZ4X4 120.00

Zone 5 TZ4X5 125.00

DS1 Channel Mileage-per mile

Illinois

Zone 1 1YZX1 11.75

Zone 2 1YZX2 12.00

Zone 3 1YZX3 12.25

Zone 4 1YZX4 12.50

Zone 5 1YZX5 13.00

Indiana & Wisconsin

Zone 1 1YZX1 11.75

Zone 2 1YZX2 12.00

Zone 3 1YZX3 12.25

Zone 4 1YZX4 12.50

Zone 5 1YZX5 13.00

Michigan & Ohio Zone 1 1YZX1 11.75

Zone 2 1YZX2 12.00

Zone 3 1YZX3 12.25 Zone 4 1YZX4 12.50 (N) Zone 5 1YZX5 13.00

(This page filed under Transmittal No. 1420 )

Issued: November 10, 2004 Effective: November 25, 2004

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 477.2.10

10. Federal Government Specialized Service Arrangements (Cont’d) (N)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(7) Rates and Charges (Cont’d)

(A) High Capacity DS1 Service (Cont'd) USOC 3 Year

DS1 Channel Mileage Termination-per Point of

Termination

Illinois

Zone 1 CZ4X1 $ 31.00

Zone 2 CZ4X2 33.00

Zone 3 CZ4X3 35.00

Zone 4 CZ4X4 37.00

Zone 5 CZ4X5 39.00

Indiana & Wisconsin

Zone 1 CZ4X1 33.00

Zone 2 CZ4X2 35.00

Zone 3 CZ4X3 37.00

Zone 4 CZ4X4 39.00

Zone 5 CZ4X5 41.00

Michigan & Ohio

Zone 1 CZ4X1 31.00

Zone 2 CZ4X2 33.00

Zone 3 CZ4X3 35.00

Zone 4 CZ4X4 37.00

Zone 5 CZ4X5 39.00

DS1 Central Office Multiplexing-per Arrangement

Illinois

Zone 1 QMVX1 168.00

Zone 2 QMVX2 170.00

Zone 3 QMVX3 176.00

Zone 4 QMVX4 186.00

Zone 5 QMVX5 190.00

Indiana & Wisconsin

Zone 1 QMVX1 175.00

Zone 2 QMVX2 177.00

Zone 3 QMVX3 184.00

Zone 4 QMVX4 193.00

Zone 5 QMVX5 198.00

Michigan & Ohio

Zone 1 QMVX1 172.00

Zone 2 QMVX2 173.00

Zone 3 QMVX3 180.00

(N) Zone 4 QMVX4 190.00 Zone 5 QMVX5 194.00

(This page filed under Transmittal No. 1420 )

Issued: November 10, 2004 Effective: November 25, 2004

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 477.2.11

10. Federal Government Specialized Service Arrangements (Cont’d) (N)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(7) Rates and Charges (Cont’d)

(B) High Capacity DS3 Services USOC 3 Year

DS3 Local Distribution Channel with Electrical Interface-per Point of Termination Illinois

Zone 1 TZUP1 $ 940.00

Zone 2 TZUP2 950.00 Zone 3 TZUP3 1000.00

Zone 4 TZUP4 1030.00

Zone 5 TZUP5 1035.00 Indiana & Wisconsin Zone 1 TZUP1 975.00

Zone 2 TZUP2 985.00 Zone 3 TZUP3 1045.00

Zone 4 TZUP4 1065.00

Zone 5 TZUP5 1075.00 Michigan & Ohio Zone 1 TZUP1 965.00

Zone 2 TZUP2 975.00

Zone 3 TZUP3 1030.00

Zone 4 TZUP4 1055.00

Zone 5 TZUP5 1065.00

DS3 Channel Mileage-Per Mile Illinois

Zone 1 1YZX1 50.00

Zone 2 1YZX2 52.00 Zone 3 1YZX3 54.00

Zone 4 1YZX4 55.00

Zone 5 1YZX5 58.00 Indiana & Wisconsin Zone 1 1YZX1 50.00

Zone 2 1YZX2 52.00 Zone 3 1YZX3 55.00

Zone 4 1YZX4 57.00

Zone 5 1YZX5 60.00 Michigan & Ohio Zone 1 1YZX1 50.00

Zone 2 1YZX2 52.00

Zone 3 1YZX3 55.00 Zone 4 1YZX4 57.00 (N)

Zone 5 1YZX5 60.00

(This page filed under Transmittal No. 1420 )

Issued: November 10, 2004 Effective: November 25, 2004

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 477.2.12

10. Federal Government Specialized Service Arrangements (Cont’d) (N)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(7) Rates and Charges (Cont’d)

(B) High Capacity DS3 Services (Cont’d) USOC 3 Year

DS3 Channel Mileage Termination-per Point of Termination

Illinois

Zone 1 CZ4X1 $ 220.00 Zone 2 CZ4X2 230.00 Zone 3 CZ4X3 240.00

Zone 4 CZ4X4 250.00

Zone 5 CZ4X5 260.00

Indiana & Wisconsin Zone 1 CZ4X1 240.00 Zone 2 CZ4X2 250.00

Zone 3 CZ4X3 260.00 Zone 4 CZ4X4 270.00

Zone 5 CZ4X5 280.00

Michigan & Ohio

Zone 1 CZ4X1 230.00

Zone 2 CZ4X2 240.00 Zone 3 CZ4X3 250.00 Zone 4 CZ4X4 260.00

Zone 5 CZ4X5 270.00

DS3 Central Office Multiplexing-per Arrangement

Illinois Zone 1 QM3X1 420.00 Zone 2 QM3X2 430.00

Zone 3 QM3X3 445.00 Zone 4 QM3X4 460.00

Zone 5 QM3X5 470.00

Indiana & Wisconsin Zone 1 QM3X1 430.00

Zone 2 QM3X2 440.00 Zone 3 QM3X3 455.00 Zone 4 QM3X4 470.00

Zone 5 QM3X5 485.00

Michigan & Ohio

Zone 1 QM3X1 425.00 Zone 2 QM3X2 435.00 Zone 3 QM3X3 450.00 (N)

Zone 4 QM3X4 465.00 Zone 5 QM3X5 480.00

(This page filed under Transmittal No. 1420 )

Issued: November 10, 2004 Effective: November 25, 2004

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 477.2.13 Cancels 1st Revised Page 477.2.13

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(7) Rates and Charges (Cont’d)

(1) (D)

(1) Material in this Section has been de-tariffed as required by the Commission upon use of the forbearance relief pursuant to FCC Memorandum Opinion and Order No. 07-180, released October 12, 2007. Terms and Conditions associated with de-tariffed services are available at www.att.com/guidebook. (This page filed under Transmittal No. 1666 )

Issued: January 24, 2008 Effective: February 8, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 477.2.14 Cancels 2nd Revised Page 477.2.14

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(7) Rates and Charges (Cont’d)

(1) (D)

(1) Material in this Section has been de-tariffed as required by the Commission upon use of the forbearance relief pursuant to FCC Memorandum Opinion and Order No. 07-180, released October 12, 2007. Terms and Conditions associated with de-tariffed services are available at www.att.com/guidebook.

(This page filed under Transmittal No. 1666 )

Issued: January 24, 2008 Effective: February 8, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 477.2.15 Cancels 1st Revised Page 477.2.15

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(7) Rates and Charges (Cont’d)

(1) (D)

(1) Material in this Section has been de-tariffed as required by the Commission upon use of the forbearance relief pursuant to FCC Memorandum Opinion and Order No. 07-180, released October 12, 2007. Terms and Conditions associated with de-tariffed services are available at www.att.com/guidebook.

(This page filed under Transmittal No. 1666 )

Issued: January 24, 2008 Effective: February 8, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 477.2.16 Cancels 1st Revised Page 477.2.16

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(7) Rates and Charges (Cont’d)

(1) (D)

(1) Material in this Section has been de-tariffed as required by the Commission upon use of the forbearance relief pursuant to FCC Memorandum Opinion and Order No. 07-180, released October 12, 2007. Terms and Conditions associated with de-tariffed services are available at www.att.com/guidebook.

(This page filed under Transmittal No. 1666 )

Issued: January 24, 2008 Effective: February 8, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 477.2.17 Cancels 1st Revised Page 477.2.17

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(7) Rates and Charges (Cont’d)

(1) (D)

(1) Material in this Section has been de-tariffed as required by the Commission upon use of the forbearance relief pursuant to FCC Memorandum Opinion and Order No. 07-180, released October 12, 2007. Terms and Conditions associated with de-tariffed services are available at www.att.com/guidebook. (This page filed under Transmittal No. 1666 )

Issued: January 24, 2008 Effective: February 8, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 477.2.18 Cancels 1st Revised Page 477.2.18

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(7) Rates and Charges (Cont’d)

(1) (D)

(1) Material in this Section has been de-tariffed as required by the Commission upon use of the forbearance relief pursuant to FCC Memorandum Opinion and Order No. 07-180, released October 12, 2007. Terms and Conditions associated with de-tariffed services are available at www.att.com/guidebook. (This page filed under Transmittal No. 1666 )

Issued: January 24, 2008 Effective: February 8, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 477.2.19 Cancels 1st Revised Page 477.2.19

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(7) Rates and Charges (Cont’d)

(1) (D)

(1) Material in this Section has been de-tariffed as required by the Commission upon use of the forbearance relief pursuant to FCC Memorandum Opinion and Order No. 07-180, released October 12, 2007. Terms and Conditions associated with de-tariffed services are available at www.att.com/guidebook.

(This page filed under Transmittal No. 1666 )

Issued: January 24, 2008 Effective: February 8, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 477.2.20 Cancels 1st Revised Page 477.2.20

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d)

10.6 Service Offerings (Cont’d)

10.6.1 Type and Descriptions (Cont’d)

(F) SBC Federal Access Solution Transport (FAST) Program (Cont’d)

(7) Rates and Charges (Cont’d)

(1) (D)

(1) Material in this Section has been de-tariffed as required by the Commission upon use of the forbearance relief pursuant to FCC Memorandum Opinion and Order No. 07-180, released October 12, 2007. Terms and Conditions associated with de-tariffed services are available at www.att.com/guidebook.

(This page filed under Transmittal No. 1666 )

Issued: January 24, 2008 Effective: February 8, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 477.3

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.2 Mileage Application

Mileage, when used for rate application between two customer designated premises, shall be determined by the V and H Coordinates Method as set forth in Exchange Carrier Association Tariff F.C.C. No. 4 for Wire Center information (V and H Coordinates) as set forth in 7.4.6 preceding.

10.6.3 Rates and Charges

(A) Move Charges

(1) When service without a maximum termination liability charge associated with it, as set forth in (A) and (B) preceding, is moved to a different building, the nonrecurring charge applies; when moved to a new location in the same building, a charge of one-half the nonrecurring charge applies.

(2) When service with a maximum termination liability charge associated with it, as set forth in (A) and (B) preceding, is moved and is reinstalled at a new location, the customer may elect:

- to pay the unexpired portion of the maximum termination liability charge for the service, if any, with the application of a nonrecurring charge and the establishment of a new maximum termination liability charge for such service at the new location, or

- to continue service subject to the unexpired portion of the maximum termination liability charge, if any, and pay the estimated costs of moving such service, provided that the customer requests these charges be quoted prior to ordering the service move. Charges for moving such service will be based on estimated costs attributable to the move.

Move charges include the estimated costs of removal, restoration of services or facilities necessitated by the move, transportation, storage, reinstallation, engineering, labor, supervision, materials, administration, and any other specific items of cost directly attributable to the move.

Certain material on this page previously appeared on 2nd Revised Page 477 and Original Page 497.

(This page filed under Transmittal No. 464 )

Issued: July 20, 1990 Effective: September 10, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 477.4

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

(B) Voice Grade Special Access Service

The provision of T-3 and G conditioned services contemplates station and tandem switching operations, using customer provided equipment, as well as Special Access Service. Separate narrowband or voice grade services, where required by the customer provided equipment or switching operation, are furnished in accordance with the applicable sections of this tariff.

Voice Grade Secure Monthly Nonrecurring Termination Communications USOC Rates Charges Charges

Type I, each T-3 Conditioning, GCA++ ICB rates and charges apply

Additional Conditioning, per service termination GTO++ ICB rates and charges apply

Type II, each G-1 Conditioning, GCB++ ICB rates and charges apply

Type III, each G-2 Conditioning, GCC++ ICB rates and charges apply

Additional Conditioning, per service termination G2O++ ICB rates and charges apply

Certain material on this page previously appeared on 2nd Revised Page 477.

(This page filed under Transmittal No. 464 )

Issued: July 20, 1990 Effective: September 10, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 478 CANCELS 4th Revised Page 478

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

(B) Voice Grade Special Access Service (Cont'd)

Voice Grade Secure Monthly Nonrecurring Termination Communications USOC Rate Charge Charge

Type, IV, each G-3 Conditioning, GCD++ ICB rates and charges apply

Additional Conditioning per service termination G30++ ICB rates and charges apply

(C) Reserved for Future Use (T)

(D)

(D)

(D) Special Routing Access Service

The following rates and charges are in addition to all other rates and charges that may be applicable for other services that may be furnished under the provisions of this tariff to operate in conjunction with this service:

Nonrecurring USOC Rate Charge

(1) Special Routing Access Service Special Routing Plan Setup, per Switching System G1B None $172.00

(D)

(This page filed under Transmittal No. 1818 )

Issued: October 28, 2014 Effective: November 12, 2014

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 479 Cancels 1st Revised Page 479

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

(D) Special Routing Access Service (Cont'd)

Nonrecurring USOC Rates Charges

(2) Special Routing Access Service Trunk Group Setup, per End Office or Tandem Office Switching System, per occurrence

- Telephone Company Selection G1D None $611.80

- Customer Selection G1S++ ICB rates and charges apply (3) Special Routing Access Service Mode Selection (Active or Deactive), per Switching System, per occurrence G1E None $185.40

(4) Special Routing Access Service Trunk Usage, when in an active mode, per trunk, per hour G1T $1.04* None

* This rate is in addition to Trunk Side Premium Access Service rates, as set forth in 6. preceding, that apply on an ongoing basis regardless of the mode selected as set forth in (3) preceding.

(This page filed under Transmittal No. 464 )

Issued: July 20, 1990 Effective: September 10, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 480 CANCELS 4th Revised Page 480

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

(D) Special Routing Access Service (Cont'd)

Nonrecurring USOC Rates Charges

(5) Special Routing Access Service Maintenance and Administration, per Switching System, per month G1M $95.00 None

(6) Special Routing (Tx) Access Billing and Collection Services

- Implement Billing System Modifi- cations, per state G1G None $6,260.00

- Maintenance and Administration, per state, per month G1H None None

- Billing and Collection Services Per Contract (Tx)

(x) Issued under authority of Special Permission No. 15-024 of the FCC in order to withdraw material filed under Transmittal No. 1838 without its becoming effective, and to restore currently effective material.

(This page filed under Transmittal No. 1839 )

Issued: December 24, 2015 Effective: December 25, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 481 Cancels 2nd Revised Page 481

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

(E) Telecommunications Service Priority (TSP) System

The following rates and charges are in addition to all other rates and charges that may be applicable for other services that may be furnished under the provisions of this tariff which operate in conjunction with the TSP System. This includes, but is not limited to, Maintenance of Service as set forth in 13.3.1 following.

Monthly Nonrecurring USOC Rate Charge (1) Priority Installation (PI) of an Access Service - Invocation includes System Development, Verification, Confirmation and Preemption*

Prime Service Vendor - per circuit P1APX None $100.00 Rx Subcontractor - per circuit P1ASX None 100.00 Rx

(a) Expedited (Emergency or Essential) Regulations, rates and charges are the same as those set forth in 5.2.2(D) preceding for the Switched or Special Access Service for which PI is required.

x Issued under authority of Special Permission No. 90-751. y Material scheduled to become effective September 10, 1990 under Transmittal No. 464.

(This page filed under Transmittal No. 472 )

Issued: August 30, 1990 Effective: September 14, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 481.1 Cancels Original Page 481.1

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

(E) Telecommunications Service Priority (TSP) System (Cont'd)

(1) (Cont'd)

Monthly Nonrecurring USOC Rate Charge

(b) Utilizing Specially Constructed Facilities Regulations, rates and charges are the same as those set forthin the appropriate Special Construction tariff as identified in Section 1.5 for Special Construction of the facilities for Switched or Special Access Service for which PI is required.

(2) Priority Restoration (PR) Level Implementation on an Access Service

(a) When PR level is implemented - includes System Development, Verification and Confirmation*

Prime Service Vendor - per circuit PR5PX None $115.00 Rx Subcontractor - per circuit PR5SX None 115.00 Rx x Issued under authority of Special Permission No. 90-751. y Material scheduled to become effective September 10, 1990 under Transmittal No. 464.

(This page filed under Transmittal No. 472 )

Issued: August 30, 1990 Effective: September 14, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 481.2 Cancels Original Page 481.2

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

(E) Telecommunications Service Priority (TSP) System (Cont'd)

Monthly Nonrecurring USOC Rate Charge

(b) When the PR level is changed on an associated working Access Service - includes Verification and Confirmation

Prime Service Vendor - per circuit PR8PX None $3.00 Ix Subcontractor - per circuit PR8SX None 3.00 Ix

(c) Administrative and maintenance of PR Service - includes Reconciliation and Preemption

Prime Service Vendor - per circuit PR9PX $3.00 None Subcontractor - per circuit PR9SX 3.00 None

(This page filed under Transmittal No. 472 )

Issued: August 30, 1990 Effective: September 14, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 482 Cancels 2nd Revised Page 482

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 3rd Revised Page 478.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 483 Cancels Original Page 483

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 1st Revised Page 479.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 484 Cancels 1st Revised Page 484

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 2nd Revised Page 480.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 485 Cancels Original Page 485

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 2nd Revised Page 477.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 486 Cancels 2nd Revised Page 486

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 3rd

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 487 Cancels Original Page 487

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 1st Revised Page 479.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 488 Cancels 1st Revised Page 488

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 2nd Revised Page 480.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 489 Cancels 1st Revised Page 489

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 2nd Revised Page 477.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 490 Cancels 2nd Revised Page 490

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 3rd Revised Page 478.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 491 Cancels Original Page 491

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 1st Revised Page 479.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 492 Cancels 1st Revised Page 492

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 2nd Revised Page 480.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 493 Cancels Original Page 493

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 2nd Revised Page 477.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 494 Cancels 2nd Revised Page 494

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 3rd Revised Page 478.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 495 Cancels Original Page 495

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 1st Revised Page 479.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 496 Cancels 2nd Revised Page 496

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.6 Service Offerings (Cont'd)

10.6.3 Rates and Charges (Cont'd)

x State specific rates previously appearing on this page now appear as aggregate rates on 2nd Revised Page 480.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 497 Cancels Original Page 497

ACCESS SERVICE

Certain material previously on this page now appears on Original Page 477.3.

(This page filed under Transmittal No. 464 )

Issued: July 20, 1990 Effective: September 10, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 497.1

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.7 Individual Case Filings

10.7.1 Special Routing Access Service

(A) State of Illinois

Reserved for future use

(This page filed under Transmittal No. 183 )

Issued: May 11, 1988 Effective: June 25, 1988

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 497.2 Cancels Original Page 497.2

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.7 Individual Case Filings (Cont'd)

10.7.1 Special Routing Access Service (Cont'd)

(B) State of Indiana

Nonrecurring USOC Charge

American Telephone and Telegraph move from 5 ESS Access Tandem at 116 E. Taylor Street, Kokomo, Indiana to American Telephone and Telegraph POP at 116 E. Taylor Street, Kokomo, Indiana

Special Routing Access Service Trunk Group Setup, per End Office or Tandem Office Switching System, per occurrence

- Customer Selection G1SEA $682.87

(This page filed under Transmittal No. 276 )

Issued: February 13, 1989 Effective: April 9, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 497.2.1 Cancels Original Page 497.2.1

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.7 Individual Case Filings (Cont'd)

10.7.1 Special Routing Access Service (Cont'd)

(B) State of Indiana (Cont'd)

Nonrecurring USOC Charge

American Telephone and Telegraph move from 4 E ESS Switching Machine on the 9th floor at 240 N. Meridian Street, Indianapolis, Indiana to American Telephone and Telegraph on the 6th floor at 240 N. Meridian Street, Indianapolis, Indiana.

- Customer Selection G1SEB $856.80

(This page filed under Transmittal No. 276 )

Issued: February 23, 1989 Effective: April 9, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 497.3

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.7 Individual Case Filings (Cont'd)

10.7.1 Special Routing Access Service (Cont'd)

(C) State of Michigan

Reserved for future use

(This page filed under Transmittal No. 183 )

Issued: May 11, 1988 Effective: June 25, 1988

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 497.4

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.7 Individual Case Filings (Cont'd)

10.7.1 Special Routing Access Service (Cont'd)

(D) State of Ohio

Reserved for future use

(This page filed under Transmittal No. 183 )

Issued: May 11, 1988 Effective: June 25, 1988

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 497.5

ACCESS SERVICE

10. Federal Government Specialized Service or Arrangements (Cont'd)

10.7 Individual Case Filings (Cont'd)

10.7.1 Special Routing Access Service (Cont'd)

(E) State of Wisconsin

Reserved for future use

(This page filed under Transmittal No. 183 )

Issued: May 11, 1988 Effective: June 25, 1988

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 497.6 Cancels 1st Revised Page 497.6

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d)

10.7 Individual Case Filings (Cont’d)

10.7.1 Special Routing Access Service (Cont'd)

(F) All States

(1)General

(A) Government Emergency Telecommunications Service (GETS) (N) (N) Government Emergency Telecommunications Service (GETS) is an emergency Telecommunications Service developed for the Federal Government. This service provides enhanced call routing and processing to authorized government users with enhanced call completion during natural and man made disasters, using the survivable public switched network (PSN) resources, and the reserved 710 Numbering Plan Area (NPA) code. Calls will use the two Advanced Intelligent Network (AIN) features, Alternate Carrier Routing (ACR) and Calling Party Number. Rates and charges are shown in section 10.7.1(F)(2) following.

(1) Alternate Carrier Routing (ACR) Feature

(N) The Alternate Carrier Routing (ACR) feature will provide the GETS caller dialing the 1+710-NCS-GETS access number routing to one of three predetermined Interexchange Carriers (IXCs) as determined by the governments agent.

Calling Party Number (CPN) is a feature that when activated will allow the 710-NCS-GETS number to be displayed as the calling party. If this feature is not activated, then the calling party’s local exchange number will be displayed.

Access Code Activation and Call Routing Plan setup are the processes used to open and verify the 710 area code in all class 5 end offices, and implement the appropriate call routing plans.

Specialized call data reports will contain call routing information. These reports will be available monthly upon request and may be used at the time of a national disaster.

Operations, Maintenance, Usage Reports are the ongoing network functions that are provided monthly or quarterly with this service.

(This page filed under Transmittal No. 1249 ) (T) Issued: September 14, 2000 Effective: September 29, 2000 (D) (D) Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 497.6.1

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d) (N)

10.7 Individual Case Filings (Cont’d)

10.7.1 Special Routing Access Service (Cont'd)

(F) All States (Cont'd)

(1) General (Cont'd)

(A) Government Emergency Telecommunications Service (GETS) (Cont'd)

(2) High Probability of Connection (HPC) Feature

GETS HPC changes the priority assigned to the call setup message for an 710-NCS-GETS in the Signaling System 7 (SS7) network. Setup messages associated with calls to 1- 710-NCS-GETS will be sent with the highest priority. GETS HPC also provides a trunk queuing feature in equipped switches which is invoked any time an Interexchange Carrier (IC) trunk group is busy. The queuing is only applicable to GETS calls. Queuing allows callers to 710-NCS GETS users to dial an emergency call one time and not encounter a busy signal. The call will be placed in queue and automatically complete when the first available trunk becomes idle.

(a) GETS HPC Service Features

(1) GETS Call Recognition

This feature sets a trigger to recognize originating GETS calls based on the called number. The screen will be set on 710-NCS GETS on all switches and on four specific 800/888 numbers that provide access to GETS in certain switches only. A call to 710-NCS-GETS is marked as an HPC call.

(2) Trunk Group Queuing (TQ)

This feature provides the capability to queue HPC marked calls on specific trunk groups within the routing chain. Only HPC marked calls are allowed to queue.

(3) Exemption From Network Management Controls (EX-NMCs)

This feature provides HPC marked calls exemption from restrictive Network Management Controls that are invoked during times of excessive traffic on the Public Switched Telephone Network. (N)

(This page filed under Transmittal No. 1249 )

Issued: September 14, 2000 Effective: September 29, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 497.6.2

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d) (N)

10.7 Individual Case Filings (Cont’d)

10.7.1 Special Routing Access Service (Cont'd)

(F)All States (Cont'd)

(1) General (Cont'd)

(A) Government Emergency Telecommunications Service (GETS) (Cont'd)

(2) High Probability of Connection (HPC) Feature (Cont'd)

(b) GETS HPC Reports

Operational Measurement (OM) Report

The Operational Measurement (OM) report provides periodic implementation status updates and ongoing service verification. The data format is in the form of a series of time stamped OM registers for each of the HPC equipped switches.

(c) GETS HPC Nonrecurring Charges

(1) GETS HPC Development Charge

A nonrecurring charge that applies to the recovery of the initial expenses incurred in the development of GETS HPC.

(2) GETS HPC Feature per End Office

A nonrecurring charge that applies per GETS HPC end office for the activation or deactivation of the GETS HPC feature.

(3) GETS HPC Service Change Charge

A nonrecurring charge per switch for GETS service configuration changes or disconnection. Includes HPC feature changes to where HPC Trunk Queuing parameters have been implemented. The charge shall be independent of the number of activities included in an individual switch change request. (N)

(This page filed under Transmittal No. 1249 )

Issued: September 14, 2000 Effective: September 29, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 497.6.3

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d) (N)

10.7 Individual Case Filings (Cont’d)

10.7.1 Special Routing Access Service (Cont'd)

(F) All States (Cont'd)

(1) General (Cont'd)

(A) Government Emergency Telecommunications Service (GETS) (Cont'd)

(2) High Probability of Connection (HPC) Feature (Cont'd)

(d) GETS HPC Recurring Charge

(1) GETS HPC Feature per End Office and

Operational Measurement (OM) Reports

A monthly recurring charge that applies per GETS HPC end office for on-going administrative and maintenance activities and the provisioning of Operational Measurement Reports that provide specific data reflecting call processing per switch. (N)

(This page filed under Transmittal No. 1249 )

Issued: September 14, 2000 Effective: September 29, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 497.6.4

ACCESS SERVICE

10. Federal Government Specialized Service Arrangements (Cont’d) (N)

10.7 Individual Case Filings (Cont’d)

10.7.1 Special Routing Access Service (Cont’d)

(F) All States (Cont’d)

(1) General (Cont’d)

(A) Government Emergency Telecommunications Service (GETS) (Cont’d)

(3) GETS Egress Queuing (EQ)

GETS EQ is a switch-based feature that provides priority call processing to calls designated as HPC that are terminating on a designated PBX trunk group. GETS EQ extends the functionality of the existing GETS HPC feature to include two way and Primary Rate ISDN which connects a DMS to a PBX.

This feature is available on DMS100 switches with release NA012.

(a) GETS EQ Nonrecurring Charges

(1) GETS EQ Service Preparation Charge

A nonrecurring charge for GETS EQ that will be

charged for the initial service preparation.

(2) GETS EQ Charge Per Switch

A nonrecurring charge per switch for initial upgrades that will be charged for activation of the EQ feature in the DMS100 switches.

(b) Recurring Charges

GETS EQ Recurring Charge Per Switch

A monthly recurring charge that will be charged per switch

for the GETS EQ feature. (N)

(This page filed under Transmittal No. 1338 )

Issued: March 18, 2003 Effective: April 2, 2003

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 497.6.5

10. Federal Government Specialized Service Arrangements (Cont’d)

10.7 Individual Case Filings (Cont’d) (N) 10.7.1 Special Routing Access Service (Cont’d)

(F) All States (Cont’d)

(1) General (Cont’d)

(A) Government Emergency Telecommunications Service (GETS) (Cont’d)

(4) GETS Office Wide Queuing (OWQ)

GETS OWQ is a switch-based feature that provides priority call processing to calls designated as HPC. GETS OWQ enhances the queuing of HPC calls on supported public trunk group types. GETS OWQ extends the functionality of the existing GETS HPC feature on an office wide basis. GETS OWQ will be activated only in the Central Offices with the required generic to support the OWQ feature.

This feature is available on switches with release (i.e., software) NA015, 5E15, and 19.

(a) GETS OWQ Nonrecurring Charges

(1) GETS OWQ Service Preparation Charge

A nonrecurring charge for GETS OWQ that will be charged for the initial service preparation.

(2) GETS OWQ Charge Per Switch

A nonrecurring charge per switch for initial translation that will be charged for activation of the OWQ feature in the switches.

(b) Recurring Charges

GETS OWQ Recurring Charge Per Switch

A monthly recurring charge that will be charged per switch for the GETS OWQ feature. (N)

(This page filed under Transmittal No. 1444 )

Issued: February 7, 2005 Effective: February 22, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 497.7 Cancels 2nd Revised Page 497.7

10. Federal Government Specialized Service Arrangements (Cont’d)

10.7 Individual Case Filings (Cont’d)

10.7.1 Special Routing Access Service (Cont'd)

(F) All States (Cont'd)

(2) Rates and Charges USOCRecurring Nonrecurring Charge Charge (a) Operations, Maintenance, Usage Reports - Per Office ARFRX $14.18 None (T)

(b) Specialized Call Data reports - Per request, per Office NRBGW None $150.00 (T)

(c) Access Code Activation and Call Routing Plan Setup Per Ameritech End Office NRBG7 None $117.50 (T)

(d) End Office Implementation - Per Host Office NRBGU None $1,250.00 (T)

(e) AIN Development – Alternate Carrier Routing And Calling Party Number None $695,490.00

(f) GETS HPC Development Charge - Initial None $2,100,000.00

(g) GETS HPC Feature per End Office GHPAB None $575.00 (T)

(h) GETS HPC Feature per End Office and Operational Measurement (OM)Reports GHPAD $15.50 None (T)

(i) GETS HPC Service Change Charge NRFGB None $330.00 (T)

(j) GETS EQ Service Preparation NRMEX None $54,240.55 (T)

(k) GETS EQ Charge Per Switch ARFEQ None $50.00 (T)

(l) GETS EQ Recurring Charge Per Switch ARFEQ $5.00 None (T)

(This page filed under Transmittal No. 1444 )

Issued: February 7, 2005 Effective: February 22, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 497.8

10. Federal Government Specialized Service Arrangements (Cont’d)

10.7 Individual Case Filings (Cont’d)

10.7.1 Special Routing Access Service (Cont'd)

(F) All States (Cont'd)

(2) Rates and Charges (Cont’d) USOC Recurring Nonrecurring Charge Charge

(m) GETS OWQ Service Preparation NRFGD $135,000.00

(n) GETS OWQ Charge (N) Per Switch GHPAE $250.00

(o) GETS OWQ Recurring Charge Per Switch GHPAE $5.00

(N)

(This page filed under Transmittal No. 1444 )

Issued: February 7, 2005 Effective: February 22, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 498 Cancels 1st Revised Page 498

ACCESS SERVICE

11. Special Facilities Routing of Access Services

11.1 General T

This section contains general descriptive and ordering information for Special Facilities Routing of C Access Services. C

The services provided under this tariff are provided over such routes and facilities as the Telephone Company may elect. Special Facilities Routing is involved when the customer requests that AccessC services be provided over routes or using facilities that differ from those that have already been selected by the Telephone Company for providing those services. The Telephone Company provides Special Facilities Routing in connection with Switched Access Service, Special Access Service, Specialized Network Services or Federal Government Specialized Access Service or Arrangements in a manner which includes one or more of the following conditions. C

Diversity T Two or more services must be provided over two different physical routes. C Avoidance T One or more services must be provided on a route which avoids specified geographical locations. C

D

D Special Facilities Routing is available on Switched Access Services as set forth in 6.1.4 preceding and Special Access Services as set forth in 7.1.5 preceding. It is also available for Specialized C Network Services specified in 8. preceding and Federal Government Specialized Services or Arrangements specified in 10. preceding. C

D

D

(This page filed under Transmittal No. 000 )

Issued: November 9, 1990 Effective: December 24, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 499 Cancels 4th Revised Page 499

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.1 General (Cont'd) Sxy

Special Facilities Routing of Access Services may be provided between:

a customer designated premises and the serving wire center of that premises, a customer designated premises and an alternate wire center, or a wire center and another wire center. Special Facilities Routing is available for Access Services which use analog voice channels and/or digital 2.4 Kbps through 44.736 Mbps channels.

11.1.1 Special Facilities Routing Arrangements

Special Facilities Routing of Access Services is orderable in terms of Special Facilities Routing Arrangements. There are three arrangements, one or more of which may be ordered to provide the desired overall special facilities routing. Following is a brief description of these arrangements.

(A) Local Channel Diversity Arrangement

Local Channel Diversity Arrangement provides a transmission path for services between the customer's designated premises and the serving wire center that is diverse from the normal transmission path. With this arrangement one or more services will be provisioned over the normal route and one or more services will be provisioned over the diverse route.

(B) Inter Wire Center Diversity Arrangement

Inter Wire Center Diversity Arrangement provides a transmission path for services between a set of wire centers that is diverse from the normal transmission path. With this arrangement one or more services will be provisioned over the normal route and one or more services will be provisioned over the diverse route.

(C) Serving Wire Center Avoidance Arrangement

Serving Wire Center Avoidance Arrangement provides a transmission path for services between the customer's designated premises and a wire center which is not the serving wire center. Customers similarly situated in relation to a given serving wire center, and requesting the same service, will have the same alternate wire center. Sxy Nx Certain material previously on this page now appears on 3rd Revised Page 499.1. Nx y Material effective February 7, 1991 under Transmittal No. 488. x Issued on not less than one day's notice under authority of Special Permission No. 91-072.

(This page filed under Transmittal No. 000 )

Issued: February 5, 1991 Effective: February 7, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 499.1 Cancels 2nd Revised Page 499.1

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.1 General (Cont'd)

11.1.1 Special Facilities Routing Arrangements (Cont'd)

(C) Serving Wire Center Avoidance Arrangement (Cont'd) Nx The Telephone Company will select the alternate wire center by choosing the

alternate wire center closest to the customers designated premises that is capable of

providing the service to be provisioned over the alternate route. With this Nx arrangement one or more services will be provisioned over the avoidance route. Sxy

The following diagrams provide a simplistic representation of the available Special Facilities Routing Arrangements:

Local Channel Diversity Arrangement

Premises SWC Normal Route

Local Channel Diversity

Inter Wire Center Diversity Arrangement

WC A WC B Normal Route

Sxy

Inter Wire Center Diversity

Certain material on this page previously appeared on 4th Revised Page 499. y Material effective February 7, 1991 under Transmittal No. 488. x Issued on not less than one day's notice under authority of Special Permission No. 91-072.

(This page filed under Transmittal No. 000 )

Issued: February 5, 1991 Effective: February 7, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 499.2 Cancels 2nd Revised Page 499.2

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.1 General (Cont'd) N

11.1.1 Special Facilities Routing Arrangements (Cont'd)

SERVING WIRE CENTER AVOIDANCE ARRANGEMENT

Premises SWC

Normal Route

Serving Wire Center Avoidance N WC A

(This page filed under Transmittal No. 000 )

Issued: November 9, 1990 Effective: December 24, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 499.2.1 Cancels 1st Revised Page 499.2.1

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.1 General (Cont'd) T

11.1.1 Special Facilities Routing Arrangements (Cont'd) T

(This page filed under Transmittal No. 600 )

Issued: January 27, 1992 Effective: March 2, 1992

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 499.3 Cancels 1st Revised Page 499.3

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.1 General (Cont'd) N

11.1.1 Special Facilities Routing Arrangements (Cont'd)

Prior to confirming an order for service, the Telephone Company will provide a proposed design of the Special Facilities Routing Arrangement based on the customer's service forecast. Any routing which is common to the normal and special routes (e.g., entrances to the customer's premises or at a wire center) will be disclosed to the customer. This information will also be provided prior to any subsequent changes in routing. In order to avoid the compromise of special routing information, the Telephone Company will provide this information to only the ordering customer.

The transmission specifications and the credit allowance for service interruption for Access Services provisioned via Special Facilities Routing Arrangements are the same as for services using normal routing.

11.1.2 Ordering Options and Conditions

Special Facilities Routing of Access Services is ordered under the Access Order Provisions set forth in 5. preceding. Also included in that section are other charges which may be associated with ordering Special Facilities Routing of Access Services (e.g., Service Date Change Charges, Cancellation Charges, etc.).

Installation of a service which includes a Special Facilities Routing Arrangement will not begin until the customer has accepted the proposed routing and the Telephone Company gives the customer a firm order confirmation. If the customer does not accept the proposed routing, the Access Order will be cancelled and no charges (including Cancellation Charges) will apply.

N

(This page filed under Transmittal No. 000 )

Issued: November 9, 1990 Effective: December 24, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 499.3.1 Cancels 1st Revised Page 499.3.1

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.1 General (Cont'd)

(This page filed under Transmittal No. 600 )

Issued: January 27, 1992 Effective: March 2, 1992

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 499.4 Cancels 2nd Revised Page 499.4

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.2 Rate Regulations Sx

This section contains the specific regulations governing the rates and charges that apply for Special Facilities Routing of Access Service.

11.2.1 Types of Rates and Charges

There are two types of rates and charges. They are monthly rates and nonrecurring charges. The rates and charges are described as follows:

(A) Monthly Rates

Monthly rates are flat recurring rates that apply each month or fraction thereof that a Special Facilities Routing Arrangement is provided. For billing purposes, each month is considered to have 30 days.

A monthly rate applies for each of the Special Facilities Routing Arrangements. This monthly rate is dependent on the type and quantity of switched access, special access, specialized network or federal government channels which are provisioned over the diversity or avoidance arrangement. For purposes of this tariff, there are four types of Special Facilities Routing Arrangement channels. They are as follows:

Analog voice channel Digital 2.4, 4.8, 9.6, 19.2, 56.0 or 64.0 Kbps channel Digital 1.544 Mbps channel Sx Digital 44.736 Mbps channel C Sx For rating purposes, Special Facilities Routing Arrangement channels equate to various Access Service channels; e.g., an analog voice channel is equivalent to a Special Access Direct Analog channel or a Switched Access Interface Group 1 or 2 channel.

Different monthly rates apply for each additional digital 1.544 Mbps and 44.736 Mbps channel provisioned over the same Local Channel Diversity or Serving Wire Center Avoidance Arrangement as the first channel.

The monthly rates are specified in 11.3 following. Sx

x Material effective February 7, 1991 under Transmittal No. 488.

(This page filed under Transmittal No. 488 )

Issued: February 19, 1991 Effective: April 5, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 499.5 Cancels 4th Revised Page 499.5

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.2 Rate Regulations

11.2.1 Types of Rates and Charges

(A) Monthly Rates (Cont'd)

The following example depicts the applicable recurring monthly charges for an arrangement providing one Ameritech DS1 LDC provisioned over a Local Channel T Diversity Arrangement and two Ameritech DS1 LDCs provisioned over the normal T route:

Customer Premises SWC Normal Route

T 2 Ameritech DS1 LDCs Local Channel Diversity

T 1 Ameritech DS1 LDC

The following recurring rates apply to the 2 LDCs provisioned over the normal route:

(1) Ameritech DS1 LDC (Sec. 7.5.9) T (2) Ameritech DS1 LDC (Sec. 7.5.9) T

The following recurring rates apply to the LDC provisioned over a Local Channel Diversity Arrangement:

(1) Ameritech DS1 LDC (Sec. 7.5.9) T (2) Local Channel Diversity, Digital 1.544 Mbps, First Channel (Sec. 11.3.1)

Monthly rates are applied in the same manner, as depicted above, for Serving Wire Center Avoidance Arrangements.

The monthly rates are specified in 11.3 following.

(TR706)

(This page filed under Transmittal No. 706 )

Issued: May 3, 1993 Effective: June 7, 1993

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 499.6 Cancels 1st Revised Page 499.6

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.2 Rate Regulations (Cont'd)

11.2.1 Types of Rates and Charges (Cont'd)

(B) Nonrecurring Charges

Nonrecurring charges are one-time charges that apply for specific work activity. A nonrecurring charge applies to each order for a Special Facilities Routing Arrangement. It is charged per order, independent of the number of channels provided in the Arrangement.

The Special Facilities Routing Arrangement must be ordered at the same time as the installation or rearrangement of Switched Access Service, Special Access Service, Specialized Network Services or Federal Government Specialized Access Service or Arrangements. The appropriate nonrecurring charges for these services will apply in addition to the Special Facilities Routing nonrecurring charge.

The nonrecurring charges are specified in 11.3 following.

11.2.2 Mileage Measurement

(A) Inter Wire Center Diversity

The mileage to be used to determine the monthly Channel Mileage rate for an Access Service provided with the Inter Wire Center Diversity arrangement will be the same asC the mileage measured for the Access Service for which the IWC Diversity is provided. Mileage is calculated on the airline distance between the locations involved, i.e., the C serving wire centers associated with two customer designated premises, the serving wire center associated with a customer designated premises and an international boundary point, a serving wire center associated with a customer designated premises and a Telephone Company Hub, a serving wire center associated with a customer designated premises and a WATS Serving Office. The serving wire center associated with a customer designated premises is the serving wire center from which the customer designated premises would normally obtain dial tone unless Serving Wire Center Avoidance is also provided as described in (B) following

(TR 855)

(This page filed under Transmittal No. 855 )

Issued: December 30, 1994 Effective: February 13, 1995

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 499.7 Cancels 1st Revised Page 499.7

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.2 Rate Regulations (Cont'd)

11.2.2 Mileage Measurement (Cont'd)

D

D

(B) Serving Wire Center Avoidance Arrangement

Mileage measurements for Access Services provisioned via a Serving Wire Center Avoidance Arrangement, and for which mileage charges apply, will be based on the special routing; i.e., mileage measurements will be made to alternate wire center rather than the serving wire center from which the customer designated premises would normally obtain dial tone.

11.2.3 Other Rates, Charges and Liabilities

Special Facilities Routing of Access Services is always used in conjunction with Switched Access Service, Special Access Service, Specialized Network Services or Federal Government Specialized Access Service or Arrangements. The rates and charges for these services apply in addition to the rates and charges for Special Facilities Routing of Access Services.

The offering of Special Facilities Routing of Access Services contemplates the use of existing facilities. Should facilities not be available, it may be necessary to construct such facilities, either as (1) normal or (2) Special Construction. If Special Construction is involved, the regulations, charges and liabilities as set forth in the appropriate Special Construction tariff will apply in addition to the rates and charges for Special Facilities Routing of Access Services.

(TR855)

(This page filed under Transmittal No. 855 )

Issued: December 30, 1994 Effective: February 13, 1995

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 499.8

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.21 Rate Regulations (Cont'd)

11.2.4 Minimum Period Sxy

The minimum period for all Special Facilities Routing Arrangements is twelve (12) months. The minimum liability period will apply to each channel provisioned via the Special Facilities Routing Arrangement.

11.2.5 Individual Case Filings

Special Facilities Routing of Access Services provided on an individual case basis (ICB) prior to December 24, 1990, may be retained subject to the individual case charges and conditions as specified in 11.4 following. Sxy

Certain material on this page previously appeared on Original Page 499.7. x Issued on not less than one day's notice under authority of Special Permission No. 91-072.

(This page filed under Transmittal No. 000 )

Issued: February 5, 1991 Effective: February 7, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 16th Revised Page 500 Cancels 15th Revised Page 500

11. Special Facilities Routing of Access Services (Cont'd)

11.3 Rates and Charges

11.3.1 Local Channel Diversity Arrangement

Monthly Nonrecurring USOC Rate Charge

- Per Order NRBOQ $525.00

- Per Channel - Analog voice DJV $ 30.05 - Digital 2.4, 4.8, 9.6, 19.2, 56.0 or 64.0 Kbps DJV 31.00

- Digital 1.544 Mbps

Illinois First Channel Zone 1 DV1X1 $ 75.00 (T) Zone 2 DV1X2 75.00 Zone 3 DV1X3 75.00 Zone 4 DV1X4 75.00 Zone 5 DV1X5 75.00 (T)

Additional Channel Zone 1 DVTX1 45.00 (T) Zone 2 DVTX2 45.00 Zone 3 DVTX3 45.00 Zone 4 DVTX4 45.00 Zone 5 DVTX5 45.00 (T)

Indiana First Channel Zone 1 DV1X1 75.00 (T) Zone 2 DV1X2 75.00 Zone 3 DV1X3 75.00 Zone 4 DV1X4 75.00 Zone 5 DV1X5 75.00 (T)

Additional Channel Zone 1 DVTX1 45.00 (T) Zone 2 DVTX2 45.00 Zone 3 DVTX3 45.00 Zone 4 DVTX4 45.00 Zone 5 DVTX5 45.00 (T)

(This page filed under Transmittal No. 1262 )

Issued: February 21, 2001 Effective: March 8, 2001

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 10th Revised Page 500.1 Cancels 9th Revised Page 500.1

11. Special Facilities Routing of Access Services (Cont'd)

11.3 Rates and Charges (Cont’d)

11.3.1 Local Channel Diversity Arrangement (Cont'd) Monthly Nonrecurring USOC Rate Charge - Digital 1.544 Mbps

Michigan First Channel Zone 1 DV1X1 $75.00 Zone 2 DV1X2 75.00 Zone 3 DV1X3 75.00 (T) Zone 4 DV1X4 75.00 Zone 5 DV1X5 75.00

Additional Channel Zone 1 DVTX1 45.00 (T) Zone 2 DVTX2 45.00 Zone 3 DVTX3 45.00 (T) Zone 4 DVTX4 45.00 Zone 5 DVTX5 45.00

Ohio (T) First Channel Zone 1 DV1X1 75.00 Zone 2 DV1X2 75.00 Zone 3 DV1X3 75.00 (T) Zone 4 DV1X4 75.00 Zone 5 DV1X5 75.00

Additional Channel Zone 1 DVTX1 45.00 (T) Zone 2 DVTX2 45.00 Zone 3 DVTX3 45.00 (T) Zone 4 DVTX4 45.00 Zone 5 DVTX5 45.00

Wisconsin (T) First Channel Zone 1 DV1X1 75.00 Zone 2 DV1X2 75.00 Zone 3 DV1X3 75.00 (T) Zone 4 DV1X4 75.00 Zone 5 DV1X5 75.00

Additional Channel Zone 1 DVTX1 45.00 (T) Zone 2 DVTX2 45.00 Zone 3 DVTX3 45.00 (T) Zone 4 DVTX4 45.00 Zone 5 DVTX5 45.00

(T)

(This page filed under Transmittal No. 1262 )

Issued: February 21, 2001 Effective: March 8, 2001

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 500.1.1 Cancels Original Page 500.1.1

11. Special Facilities Routing of Access Services (Cont'd)

11.3 Rates and Charges (Cont’d)

11.3.1 Local Channel Diversity Arrangement (Cont’d)

Monthly Nonrecurring USOC Rate Charge

- Digital 44.736 Mbps

Illinois First Channel Zone 1 DV1X1 $750.00 (T) Zone 2 DV1X2 750.00 Zone 3 DV1X3 750.00 Zone 4 DV1X4 750.00 Zone 5 DV1X5 750.00 (T)

Additional Channel Zone 1 DVTX1 350.00 (T) Zone 2 DVTX2 350.00 Zone 3 DVTX3 350.00 Zone 4 DVTX4 350.00 Zone 5 DVTX5 350.00 (T)

Indiana First Channel Zone 1 DV1X1 $750.00 (T) Zone 2 DV1X2 750.00 Zone 3 DV1X3 750.00 Zone 4 DV1X4 750.00 Zone 5 DV1X5 750.00 (T)

Additional Channel Zone 1 DVTX1 350.00 (T) Zone 2 DVTX2 350.00 Zone 3 DVTX3 350.00 Zone 4 DVTX4 350.00 Zone 5 DVTX5 350.00 (T)

(This page filed under Transmittal No. 1262 )

Issued: February 21, 2001 Effective: March 8, 2001

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 500.1.1.1 Cancels Original Page 500.1.1.1

11. Special Facilities Routing of Access Services (Cont'd)

11.3 Rates and Charges

11.3.1 Local Channel Diversity Arrangement (Cont'd) Monthly Nonrecurring USOC Rate Charge

- Digital 44.736 Mbps

Michigan First Channel Zone 1 DV1X1 $750.00 Zone 2 DV1X2 750.00 Zone 3 DV1X3 750.00 (T) Zone 4 DV1X4 750.00 Zone 5 DV1X5 750.00

Additional Channel Zone 1 DVTX1 350.00 (T) Zone 2 DVTX2 350.00 Zone 3 DVTX3 350.00 (T) Zone 4 DVTX4 350.00 Zone 5 DVTX5 350.00

Ohio (T) First Channel Zone 1 DV1X1 $750.00 Zone 2 DV1X2 750.00 Zone 3 DV1X3 750.00 (T) Zone 4 DV1X4 750.00 Zone 5 DV1X5 750.00

Additional Channel Zone 1 DVTX1 350.00 (T) Zone 2 DVTX2 350.00 Zone 3 DVTX3 350.00 (T) Zone 4 DVTX4 350.00 Zone 5 DVTX5 350.00

Wisconsin (T) First Channel Zone 1 DV1X1 $750.00 Zone 2 DV1X2 750.00 Zone 3 DV1X3 750.00 (T) Zone 4 DV1X4 750.00 Zone 5 DV1X5 750.00

Additional Channel Zone 1 DVTX1 350.00 (T) Zone 2 DVTX2 350.00 Zone 3 DVTX3 350.00 (T) Zone 4 DVTX4 350.00 Zone 5 DVTX5 350.00

(T)

(This page filed under Transmittal No. 1262 )

Issued: February 21, 2001 Effective: March 8, 2001

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 13th Revised Page 500.2 Cancels 12th Revised Page 500.2

11. Special Facilities Routing of Access Services (Cont'd)

11.3 Rates and Charges

11.3.2 Inter Wire Center Diversity

Monthly Nonrecurring USOC Rate Charge

- Per Order NRBOR $262.00

- Per Channel

-Analog voice DZV $25.85 -Digital 2.4, 4.8, 9.6, 19.2, 56.0 or 64.0 Kbps DZV 25.00

-Digital 1.544 Mbps or 128.0, 256.0, 384.0, 512.0 or 768.0 Kbps

Illinois Zone 1 DZQX1 $100.00 Zone 2 DZQX2 100.00 Zone 3 DZQX3 100.00 Zone 4 DZQX4 100.00 Zone 5 DZQX5 100.00 (N)

Indiana Zone 1 DZQX1 $100.00 Zone 2 DZQX2 100.00 Zone 3 DZQX3 100.00 Zone 4 DZQX4 100.00 Zone 5 DZQX5 100.00

Michigan Zone 1 DZQX1 $100.00 Zone 2 DZQX2 100.00 Zone 3 DZQX3 100.00 Zone 4 DZQX4 100.00 Zone 5 DZQX5 100.00

The previous heading of “All States” has now been expanded to include each state served by the Ameritech Operating Companies.

(This page filed under Transmittal No. 1390 )

Issued: April 7, 2004 Effective: April 22, 2004

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 500.2.1

11. Special Facilities Routing of Access Services (Cont'd) (N)

11.3 Rates and Charges

11.3.2 Inter Wire Center Diversity (Cont’d)

Monthly Nonrecurring USOC Rate Charge (N)

Ohio Zone 1 DZQX1 $100.00 (C) Zone 2 DZQX2 100.00 (M) Zone 3 DZQX3 100.00 (M) Zone 4 DZQX4 100.00 (N) Zone 5 DZQX5 100.00 (N)

Wisconsin Zone 1 DZQX1 $100.00 (C) Zone 2 DZQX2 100.00 (M) Zone 3 DZQX3 100.00 (M) Zone 4 DZQX4 100.00 (N) Zone 5 DZQX5 100.00 (N)

-Digital 44.736 (M) Mbps (M)

Illinois Zone 1 DZQX1 500.00(I) (C) Zone 2 DZQX2 500.00(I) (M) Zone 3 DZQX3 500.00(I) (M) Zone 4 DZQX4 500.00 (N) Zone 5 DZQX5 500.00 (N)

Indiana Zone 1 DZQX1 500.00(I) (C) Zone 2 DZQX2 500.00(I) (M) Zone 3 DZQX3 500.00(I) (M) Zone 4 DZQX4 500.00 (N) Zone 5 DZQX5 500.00 (N)

Michigan Zone 1 DZQX1 500.00(I) (C) Zone 2 DZQX2 500.00(I) (M) Zone 3 DZQX3 500.00(I) (M) Zone 4 DZQX4 500.00 (N) Zone 5 DZQX5 500.00 (N) The previous heading of “All States” has now been expanded to include each state served by the Ameritech Operating Companies. Certain material appearing on this page previously appeared on 11th Revised Page 500.2

(This page filed under Transmittal No. 1252 )

Issued: November 3, 2000 Effective: November 18, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 500.2.2

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd) (N)

11.3 Rates and Charges

11.3.2 Inter Wire Center Diversity (Cont’d)

Monthly Nonrecurring (N) USOC Rate Charge

Ohio Zone 1 DZQX1 500.00(I) (C) Zone 2 DZQX2 500.00(I) (M) Zone 3 DZQX3 500.00(I) (M) Zone 4 DZQX4 500.00 (N) Zone 5 DZQX5 500.00 (N) Wisconsin Zone 1 DZQX1 500.00(I) (C) Zone 2 DZQX2 500.00(I) (M) Zone 3 DZQX3 500.00(I) (M) Zone 4 DZQX4 500.00 (N) Zone 5 DZQX5 500.00 (N)

The previous heading of “All States” has now been expanded to include each state served by the Ameritech Operating Companies.

Certain material appearing on this page previously appeared on 11th Revised Page 500.2

(This page filed under Transmittal No. 1252 )

Issued: November 3, 2000 Effective: November 18, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 500.3 Cancels 7th Revised Page 500.3

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.3 Rates and Charges

11.3.3 Serving Wire Center Avoidance Arrangement

Monthly Nonrecurring USOC Rate Charge

- Per Order NRBOS $787.00

- Per Channel - Analog voice A7V $53.31 - Digital 2.4, 4.8, 9.6, 19.2, 56.0 or 64.0 Kbps A7V 65.00

- Digital 1.544 Mbps

Illinois (C) First Channel Zone 1 AV1X1 $150.00 Zone 2 AV1X2 150.00 Zone 3 AV1X3 150.00 Zone 4 AV1X4 150.00 (N) Zone 5 AV1X5 150.00 (N)

Additional Channel Zone 1 AYVX1 75.00 in same arrangement Zone 2 AYVX2 75.00 Zone 3 AYVX3 75.00 Zone 4 AYVX4 75.00 (N) Zone 5 AYVX5 75.00 (N) Indiana (C) First Channel Zone 1 AV1X1 $150.00 Zone 2 AV1X2 150.00 Zone 3 AV1X3 150.00 Zone 4 AV1X4 150.00 (N) Zone 5 AV1X5 150.00 (N)

Additional Channel Zone 1 AYVX1 75.00 in same arrangement Zone 2 AYVX2 75.00 Zone 3 AYVX3 75.00 Zone 4 AYVX4 75.00 (N) Zone 5 AYVX5 75.00 (N)

The previous heading of “All States” has now been expanded to include each state served by the Ameritech Operating Companies.

Certain material previously appearing on this page now appears on Original Page 500.3.1

(This page filed under Transmittal No. 1252 )

Issued: November 3, 2000 Effective: November 18, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 500.3.1

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd) (N)

11.3 Rates and Charges

11.3.3 Serving Wire Center Avoidance Arrangement (Cont’d)

- Digital 1.544 Mbps

Monthly Nonrecurring USOC Rate Charge (N) Michigan (C) First Channel Zone 1 AV1X1 $150.00 (M) Zone 2 AV1X2 150.00 (M) Zone 3 AV1X3 150.00 (M) Zone 4 AV1X4 150.00 (N) Zone 5 AV1X5 150.00 (N)

Additional Channel Zone 1 AYVX1 75.00 (M) in same arrangement Zone 2 AYVX2 75.00 (M) Zone 3 AYVX3 75.00 (M) Zone 4 AYVX4 75.00 (N) Zone 5 AYVX5 75.00 (N) Ohio (C) First Channel Zone 1 AV1X1 $150.00 (M) Zone 2 AV1X2 150.00 (M) Zone 3 AV1X3 150.00 (M) Zone 4 AV1X4 150.00 (N) Zone 5 AV1X5 150.00 (N)

Additional Channel Zone 1 AYVX1 75.00 (M) in same arrangement Zone 2 AYVX2 75.00 (M) Zone 3 AYVX3 75.00 (M) Zone 4 AYVX4 75.00 (N) Zone 5 AYVX5 75.00 (N) Wisconsin (C) First Channel Zone 1 AV1X1 $150.00 (M) Zone 2 AV1X2 150.00 (M) Zone 3 AV1X3 150.00 (M) Zone 4 AV1X4 150.00 (N) Zone 5 AV1X5 150.00 (N)

Additional Channel Zone 1 AYVX1 75.00 (M) in same arrangement Zone 2 AYVX2 75.00 (M) Zone 3 AYVX3 75.00 (M) Zone 4 AYVX4 75.00 (N) Zone 5 AYVX5 75.00 (N) The previous heading of “All States” has now been expanded to include each state served by the Ameritech Operating Companies. Certain material appearing on the page previously on page 7th Revised Page 500.3

(This page filed under Transmittal No. 1252 )

Issued: November 3, 2000 Effective: November 18, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 500.4 Cancels 3rd Revised Page 500.4

11. Special Facilities Routing of Access Services (Cont'd)

11.3 Rates and Charges

11.3.3 Serving Wire Center Avoidance Arrangement (Cont’d)

Monthly Nonrecurring USOC Rate Charge - Digital 44.736 Mbps

Illinois (C) First Channel Zone 1 AV1X1 $1200.00 Zone 2 AV1X2 1200.00 Zone 3 AV1X3 1200.00 Zone 4 AV1X4 1200.00 (N) Zone 5 AV1X5 1200.00 (N)

Additional Channel Zone 1 AYVX1 800.00 in same arrangement Zone 2 AYVX2 800.00 Zone 3 AYVX3 800.00 Zone 4 AYVX4 800.00 (N) Zone 5 AYVX5 800.00 (N) Indiana (C) First Channel Zone 1 AV1X1 1200.00 Zone 2 AV1X2 1200.00 Zone 3 AV1X3 1200.00 Zone 4 AV1X4 1200.00 (N) Zone 5 AV1X5 1200.00 (N)

Additional Channel Zone 1 AYVX1 800.00 in same arrangement Zone 2 AYVX2 800.00 Zone 3 AYVX3 800.00 Zone 4 AYVX4 800.00 (N) Zone 5 AYVX5 800.00 (N) Michigan (C) First Channel Zone 1 AV1X1 1200.00 Zone 2 AV1X2 1200.00 Zone 3 AV1X3 1200.00 Zone 4 AV1X4 1200.00 (N) Zone 5 AV1X5 1200.00 (N)

Additional Channel Zone 1 AYVX1 800.00 in same arrangement Zone 2 AYVX2 800.00 Zone 3 AYVX3 800.00 Zone 4 AYVX4 800.00 (N) Zone 5 AYVX5 800.00 (N)

The previous heading of “All States” has now been expanded to include each state served by the Ameritech Operating Companies. Certain material previously appearing on this page now appears on Original Page 500.4.1

(This page filed under Transmittal No. 1252 )

Issued: November 3, 2000 Effective: November 18, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 500.4.1

11. Special Facilities Routing of Access Services (Cont'd) (N)

11.3 Rates and Charges

11.3.3 Serving Wire Center Avoidance Arrangement (Cont’d)

Monthly Nonrecurring USOC Rate Charge (N) Ohio (C) First Channel Zone 1 AV1X1 $1200.00 (M) Zone 2 AV1X2 1200.00 (M) Zone 3 AV1X3 1200.00 (M) Zone 4 AV1X4 1200.00 (N) Zone 5 AV1X5 1200.00 (N)

Additional Channel Zone 1 AYVX1 800.00 (M) in same arrangement Zone 2 AYVX2 800.00 (M) Zone 3 AYVX3 800.00 (M) Zone 4 AYVX4 800.00 (N) Zone 5 AYVX5 800.00 (N) Wisconsin (C) First Channel Zone 1 AV1X1 $1200.00 (M) Zone 2 AV1X2 1200.00 (M) Zone 3 AV1X3 1200.00 (M) Zone 4 AV1X4 1200.00 (N) Zone 5 AV1X5 1200.00 (N)

Additional Channel Zone 1 AYVX1 800.00 (M) in same arrangement Zone 2 AYVX2 800.00 (M) Zone 3 AYVX3 800.00 (M) Zone 4 AYVX4 800.00 (N) Zone 5 AYVX5 800.00 (N)

The previous heading of “All States” has now been expanded to include each state served by the Ameritech Operating Companies.

Certain material appearing on this page previously appeared on 3rd Revised Page 500.4

(This page filed under Transmittal No. 1252 )

Issued: November 3, 2000 Effective: November 18, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 500.5 Cancels 1st Revised Page 500.5

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.3 Rates and Charges (Cont'd) T

(This page filed under Transmittal No. 537 )

Issued: May 21, 1991 Effective: June 25, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 500.6 Cancels 1st Revised Page 500.6

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.3 Rates and Charges (Cont'd) T

(This page filed under Transmittal No. 537 )

Issued: May 21, 1991 Effective: June 25, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 501 Cancels Original Page 501

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.3 Rates and Charges (Cont'd) T

D

D

(This page filed under Transmittal No. 488 )

Issued: May 21, 1991 Effective: June 25, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 501.1 CANCELS 4th Revised Page 501.1

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings

Rates and filings for Special Facilities Routing of Access Services provided on an individual bases are filed following:

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 4th Revised Page 501.1.1 CANCELS 3rd Revised Page 501.1.1

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings (Cont'd)

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 4th Revised Page 501.1.2 CANCELS 3rd Revised Page 501.1.2

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings (Cont'd)

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 4th Revised Page 501.1.3 CANCELS 3rd Revised Page 501.1.3

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings (Cont'd)

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 4th Revised Page 501.1.4 CANCELS 3rd Revised Page 501.1.4

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings (Cont'd)

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 501.1.5 Cancels 1st Revised Page 501.1.5

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings (Cont'd)

(This page filed under Transmittal No. 488 )

Issued: November 9, 1990 Effective: December 24, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 501.2 CANCELS 4th Revised Page 501.2

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings (Cont'd)

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 4th Revised Page 501.2.1 CANCELS 3rd Revised Page 501.2.1

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings (Cont'd)

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 501.3 CANCELS 4th Revised Page 501.3

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings (Cont'd)

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 4th Revised Page 501.3.1 CANCELS 3rd Revised Page 501.3.1

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings (Cont'd)

State of Michigan (T)

Case Ford Motor Company No. 88-10 Avoidance of DRBNFB C.O. in the provisioning of High Capacity, 1.544 Mbps (DS1) Special Access Services to the customer designated premises at the FMCC building, The American Road, Dearborn, Michigan. The rates and charges below are in addition to the normal rates and charges for High Capacity, DS1 services.

Monthly Nonrecurring Avoidance USOC Rate Charge

Avoid DRBNNFB (FMCC Channels) - Per DS1 Channel Termination SYAVA $81.00 None

Minimum Period: 60 Months

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 4th Revised Page 501.3.2 CANCELS 3rd Revised Page 501.3.2

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings (Cont'd)

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 501.3.3 Cancels Original Page 501.3.3

x Issued on not less than one day's notice under authority of Special Permission No. 90-328 of the Federal Communications Commission.

(This page filed under Transmittal No. 443 )

Issued: April 4, 1990 Effective: April 5, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 501.4 Cancels 1st Revised Page 501.4

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings (Cont'd)

State of Ohio

None

(This page filed under Transmittal No. 488 )

Issued: November 9, 1990 Effective: December 24, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 501.5 Cancels 1st Revised Page 501.5

ACCESS SERVICE

11. Special Facilities Routing of Access Services (Cont'd)

11.4 Individual Case Filings (Cont'd)

State of Wisconsin

None

(This page filed under Transmittal No. 488 )

Issued: November 9, 1990 Effective: December 24, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 502

ACCESS SERVICE

12. Specialized Service Or Arrangements

12.1 General

Specialized Service or Arrangements may be provided by the Telephone Company, at the request of a customer, on an individual case basis if such service or arrangements meet the following criteria:

(A) The requested service or arrangements are not offered under other sections of this tariff.

(B) The facilities utilized to provide the requested service or arrangements are of a type normally used by the Telephone Company in furnishing its other services.

(C) The requested service or arrangements are provided within a LATA.

(D) The requested service or arrangements are compatible with other Telephone Company services, facilities, and its engineering and maintenance practices.

(E) This offering is subject to the availability of the necessary Telephone Company personnel and capital resources.

12.2 Move Charges

(A) When service without a maximum termination liability charge associated with it is moved to a different building, the nonrecurring charge applies; when moved to a new location in the same building, a charge of one-half the nonrecurring charge applies.

(B) When service with a maximum termination liability charge associated with it is moved and is reinstalled at a new location, the customer may elect:

- to pay the unexpired portion of the maximum termination liability charge for the service, if any, with the application of a nonrecurring charge and the establishment of a new maximum termination liability charge for such service at the new location, or

- to continue service subject to the unexpired portion of the maximum termination liability charge, if any, and pay the estimated costs of moving such service, provided that the customer requests these charges be quoted prior to ordering the service move. Charges for moving such service will be based on estimated costs attributable to the move.

(This page filed under Transmittal No. 000 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 503 Cancels Original Page 503

12. Specialized Service Or Arrangements (Cont'd)

12.2 Move Charges (Cont'd)

(B) (Cont'd)

Move charges include the estimated costs of removal, restoration of services or facilities necessitated by the move, transportation, storage, reinstallation, engineering, labor, supervision, materials, administration, and any other specific items of cost directly attributable to the move.

12.3 Rates and Charges

Rates and charges, and additional regulations if applicable, for specialized service or arrangements provided on an individual case basis are filed following:

(D)

(D)

(This page filed under Transmittal No. 1450 )

Issued: March 7, 2005 Effective: March 22, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 504 Cancels Original Page 504

(D)

(D)

(This page filed under Transmittal No. 1450 )

Issued: March 7, 2005 Effective: March 22, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 4th Revised Page 505 CANCELS 3rd Revised Page 505

12. Specialized Service Or Arrangements (Cont'd)

12.3 Rates and Charges (Cont'd)

12.3.1 State of Illinois

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 506 CANCELS 4th Revised Page 506

12. Specialized Service Or Arrangements (Cont'd)

12.3 Rates and Charges (Cont'd)

12.3.1 Reserved for Future Use (D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 507 Cancels Original Page 507

(D)

(D)

(This page filed under Transmittal No. 1450 )

Issued: March 7, 2005 Effective: March 22, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 508 Cancels 1st Revised Page 508

(D)

(D)

(This page filed under Transmittal No. 1450 )

Issued: March 7, 2005 Effective: March 22, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 509 Cancels Original Page 509

(D)

(D)

(This page filed under Transmittal No. 1450 )

Issued: March 7, 2005 Effective: March 22, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 510 Cancels Original Page 510

(D)

(D)

(This page filed under Transmittal No. 1450 )

Issued: March 7, 2005 Effective: March 22, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 510.1 Cancels Original Page 510.1

(D)

(D)

(This page filed under Transmittal No. 1450 )

Issued: March 7, 2005 Effective: March 22, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 510.2 Cancels 4th Revised Page 510.2

(D)

(D)

(This page filed under Transmittal No. 1450 )

Issued: March 7, 2005 Effective: March 22, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 510.3 Cancels 3rd Revised Page 510.3

(D)

(D)

(This page filed under Transmittal No. 1450 )

Issued: March 7, 2005 Effective: March 22, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 510.4 Cancels 3rd Revised Page 510.4

ACCESS SERVICE

12. Specialized Service or Arrangements (Cont'd) D

D

Material previously appearing on this page now appears on Original Page 413.2.1.

(This page filed under Transmittal No. 561 )

Issued: September 13, 1991 Effective: October 28, 1991

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 510.5 Cancels 3rd Revised Page 510.5

ACCESS SERVICE

12. Specialized Service Or Arrangements (Cont'd) D

D

(This page filed under Transmittal No. 596 )

Issued: January 16, 1992 Effective: February 20, 1992

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 510.6 Cancels 2nd Revised Page 510.6

ACCESS SERVICE

12. Specialized Service Or Arrangements (Cont'd) D

D

(This page filed under Transmittal No. 596 )

Issued: January 16, 1992 Effective: February 20, 1992

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 510.7 Cancels 2nd Revised Page 510.7

ACCESS SERVICE

12. Specialized Service Or Arrangements (Cont'd) D D

(This page filed under Transmittal No. 596 )

Issued: January 16, 1992 Effective: February 20, 1992

Four AT&T Plaza, Dallas, Texas 75202

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AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 512.8 Cancels Original Page 512.8

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x Issued on not less than one day's notice under authority of Special Permission No. 90-3 of the Federal Communications Commission.

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x Issued on not less than one day's notice under authority of Special Permission No. 90-3 of the Federal Communications Commission.

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12.3 Rates and Charges (Cont'd)

Case Monthly Rate for No. Customer Name Volume Tier* each Active Port

00-SBC-1 MCI WorldCom Network Services,Inc. 1 - 200,000 $12.00

Description

Remote Access Service (RAS) provides an ISDN PRI-based data transport service that supports MCI WorldCom Network Services, Inc. with medium to high speed transport capabilities for end user remote dial access to MCI WorldCom Network Services, Inc.’s internet network. RAS terminates in network access servers in Ameritech Operating Companies’ central offices, which provide modem functionality. The connections between the central office and MCI WorldCom Network Services, Inc.’s network are not part of RAS. MCI WorldCom Network Services, Inc. will acquire these services separately.

MCI WorldCom Network Services, Inc. agrees to maintain a minimum of 148,800 active ports each month beginning March 27, 2003. MCI WorldCom Network Services, Inc. agrees to pay a monthly rate on a per port basis as outlined in the volume tier listed above. The volume tier is an aggregation of ports ordered by MCI WorldCom Network Services, Inc. through the tariffs and in the territories of Ameritech Operating Companies, Southwestern Bell Telephone Company, Pacific Bell Telephone Company, The Southern New England Telephone Company, and Nevada Bell Telephone Company (hereinafter referred to as The Telephone Companies). In the event that MCI WorldCom Network Services, Inc. does not have 148,800 active ports during a given month after March 27, 2003, MCI WorldCom Network Services, Inc. agrees to pay The Telephone Companies the monthly rate for 148,800 ports in each such month regardless of the actual number of active ports. This modified arrangement shall expire as of the end of month twenty four (24) from March 27, 2003 and is limited to 200,000 ports.

1. In the event this service becomes the subject of a general tariff service offering, MCI WorldCom Network Services, Inc. shall be required to either terminate the service or convert the service to the general tariff offering at the rates, terms and conditions provided thereunder; No termination charges shall apply in either instance.

2. The rate and the terms and conditions of this subsection will not change during the term period of this specialized arrangement, unless noted herein or required by the F.C.C. All other tariff changes will apply accordingly.

* Number of Active and Ordered Ports

(This page filed under Transmittal No. 1344 )

Issued: May 22, 2003 Effective: June 6, 2003

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 516 Cancels 7th Revised Page 516

13. Additional Engineering, Additional Labor and Miscellaneous Services

Section 13 addresses Additional Engineering, Additional Labor and Miscellaneous Services (e.g., Maintenance of Service, Provision of Access Service Billing Information, etc.). (D) (D) The specific rates and charges for these activities are set forth in subsequent sections. (D) (N) For purpose of Section 13, the terms “Basic Time”, “Overtime” and “Premium Time” are defined as follows:

- Basic Time – Work related efforts of the Telephone Company performed during a normal business day, (8:00 a.m. – 5:00 p.m., Monday through Friday).

- Overtime – Work related efforts of the Telephone Company performed outside of a normal business day, (Monday through Friday), and on Saturdays.

- Premium Time – Work related efforts of the Telephone Company performed on Sundays and/or holidays (days observed by the Telephone Company are New Year’s Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, the day after Thanksgiving, and two days for Christmas).

13.1 Additional Engineering (N) Additional Engineering will be provided by the Telephone Company at the request of the customer only when:

(A) A customer requests additional technical information after the Telephone Company has already provided the technical information normally included on the Design Layout Report (DLR) as set forth in 6.1.5 and 7.1.6 preceding.

(B) Additional engineering time is incurred by the Telephone Company to engineer a customer's request for a customized service as set forth in 7.2 preceding.

The Telephone Company will notify the customer that additional engineering charges, as set forth in 13.1.1 following, will apply before any additional engineering is undertaken.

13.1.1 Charges For Additional Engineering

The charges for additional Engineering are as follows: First Half Each Additional Hour or Half hour or Additional Engineering Fraction Fraction Periods USOC Thereof Thereof

(A) Basic Time,

per engineer AEH $49.91 $44.69 (D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 517 Cancels 7th Revised Page 517

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont’d)

13.1 Additional Engineering (Cont'd) (T)

13.1.1 Charges for Additional Engineering (Cont'd) First Half Each Additional Hour or Half hour or Additional Engineering Fraction Fraction Periods USOC Thereof Thereof

(B) Overtime

(D) (D) per engineer AEH $76.70 $50.75 (D) (D)

13.2 Additional Labor

Additional labor is that labor requested by the customer on a given service and agreed to by the Telephone Company as set forth in 13.2.1 through 13.2.5 following. The Telephone Company will notify the customer that additional labor charges as set forth in 13.2.6 following will apply before any additional labor is undertaken.

Additional Labor Charges, except as set forth in 13.2.3, apply on a first and additional basis for each half hour or fraction thereof. (N) (N) A call-out of a Telephone Company employee requiring additional labor will be charged a minimum of four (4) hours on an Overtime and/or Premium Time basis when the call-out is (C) attributed to a customer request/problem. However, at no time will the customer be charged if trouble is found to be on the Telephone Company side of the demarcation point. (C)

13.2.1 Overtime Installation

Overtime installation is that Telephone Company installation effort outside of a normal business day. (C) (C) 13.2.2 Reserved for future use (C)

(D) (D) 13.2.3 Standby

Standby includes all time in excess of one-quarter (1/4) hour during which Telephone (C)(I) Company personnel stand by at the customer’s request. (C)

Revised material appearing on this page previously appeared on 7th Revised Page 518.

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 9th Revised Page 518 CANCELS 8th Revised Page 518

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.2 Additional Labor (Cont'd)

13.2.4 Testing and Maintenance with Other Telephone Companies

Testing and maintenance with other telephone companies is that additional testing, maintenance or repair of facilities which connect to facilities of other telephone companies, which is in addition to normal effort required to test, maintain or repair facilities provided solely by the Telephone Company.

13.2.5 Other Labor

Other labor is that additional labor not included in 13.2.1 through 13.2.4 preceding, including, but not limited to labor incurred for the installation of inside wire used to extend the Point of Termination as set forth in 2.1.5 preceding, and labor incurred to accommodate a specific customer request that involves only labor which is not covered by any other section of this tariff.

13.2.6 Charges for Additional Labor

The charges for additional labor are as follows: First Each Additional Half Hour Half Hour or Additional Labor or Fraction Fraction Periods USOC Thereof Thereof

(A) Installation

- Overtime

per technician ALH $250.00 (I) $100.00 (I)

(This page filed under Transmittal No. 1741 )

Issued: June 16, 2011 Effective: July 1, 2011

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 9th Revised Page 519 CANCELS 8th Revised Page 519

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.2 Additional Labor (Cont'd)

13.2.6 Charges for Additional Labor (Cont'd)

The charges for additional labor are as follows: First Each Additional Half Hour Half Hour or Additional Labor or Fraction Fraction Periods USOC Thereof Thereof

(A) Installation (Cont'd)

-Premium Time,

per technician ALH $300.00 (I) $220.00 (I)

Each Additional (B) Standby First Half Hour or -Basic Time, USOC Quarter Hour Fraction Thereof

per technician ALT None 23.67

-Overtime ,

per technician ALT None 27.05

(This page filed under Transmittal No. 1741 )

Issued: June 16, 2011 Effective: July 1, 2011

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 520 Cancels 7th Revised Page 520

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.2 Additional Labor (Cont'd)

13.2.6 Charges for Additional Labor (Cont'd)

The charges for additional labor are as follows:

Additional Labor First Each Additional Periods USOC Quarter Hour Half Hour

(B) Standby (Cont'd) (C) -Premium time, (C)

per technician ALT None $31.29

(D) First Each Additional (D) Half Hour Half Hour or (D) Additional Labor or Fraction Fraction Periods USOC Thereof Thereof

(C) Testing and Maintenance with other telephone companies and Other Labor

-Basic Time,

per technician ALK 23.94 22.68 (D) (D) (D)

(D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 521 Cancels 7th Revised Page 521

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.2 Additional Labor (Cont'd)

13.2.6 Charges for Additional Labor (Cont'd)

The charges for additional labor are as follows:

First Each Additional

Half Hour Half Hour or

Additional Labor or Fraction Fraction

Periods USOC Thereof Thereof

(C) Testing and

Maintenance

with other telephone

companies;

and Other Labor (Cont'd)

-Overtime,

per technician ALK $26.62 $26.62 (D) (D) (D) (D) -Premium Time,

per technician ALK 31.46 31.46 (D) (D) (D)

(D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 10th Revised Page 522 Cancels 9th Revised Page 522

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services

13.3.1 Maintenance of Service

The charges for Maintenance of Service are deregulated. Customers may contact their Telephone Company business office for additional information.

(T) (T)

(D)

(D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 523 Cancels 4th Revised Page 523

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

(This page filed under Transmittal No. 470 )

Issued: August 28, 1990 Effective: October 2, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 524 Cancels 3rd Revised Page 524

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.2 Restoration Priority*

The Telephone Company will arrange a Special Access Service for Restoration Priority on receipt of certification in conformance with Part 64, Subpart D, Appendix A of the Federal Communication Commission's Rules and Regulations. A charge applies when a request is received subsequent to the issuance of an Access Order to install the service. No charge applies when a Restoration Priority is discontinued.

Nonrecurring Charge

Restoration priority, - per service arranged $35.90

* Restoration Priority service will expire on March 10, 1993, or when all services are converted to Telecommunications Service Priority, whichever is sooner. No new Restoration Priority assignments will be permitted after September 10, 1990.

(This page filed under Transmittal No. 464 )

Issued: July 20, 1990 Effective: September 10, 1990

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 525 Cancels 2nd Revised Page 525

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.3 Standard Interface Devices

Services provided by the Telephone Company are terminated using standard jacks as interface devices. These devices are provided to allow connection of Registered Equipment to services that are subject to the Registration Program as set forth in Technical Reference Publication AS No. 1. The use of these devices is covered in Part 68 of the F.C.C.'s Rules and Regulations. Specific connecting devices are described in the document on file with the FCC entitled "Descriptions of Standard Registration Program Connection Configurations Supplementing Configurations Described in Subpart F of Part 68 of the FCC's Rules and Regulations."

Other services or facilities provided by the Telephone Company or by others may also be terminated in any spare capacity which remains after installation of these devices, without additional charge for the use of such capacity.

The nonrecurring charges, which include installation, for standard interface devices and their typical uses are set forth following:

Nonrecurring USOC Charge

(A) Standard Voice Jacks

(1) Miniature six-position jacks for connection of terminal equipment as follows:

(a) Single-line telephone set surface or flush mounted. RJ11C $10.26

x Rates shown on this page were previously shown as state specific rates on this page.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 526 Cancels 2nd Revised Page 526

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.3 Standard Interface Devices (Cont'd)

Nonrecurring USOC Charge

(A) Standard Voice Jacks (Cont'd)

(1) (Cont'd)

(b) Single-line telephone sets wall mounted. RJ11W $12.14

(c) Two-line nonkey telephone sets surface or flush mounted RJ14C 10.33

(d) Single-line bridged Four-Wire exchange 2/RT, T1/R1. RJ1DC 10.51

x Rates shown on this page were previously shown as state specific rates on this page.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 527 CANCELS 4th Revised Page 527

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.3 Standard Interface Devices (Cont'd)

Nonrecurring USOC Charge

(A) Standard Voice Jacks (Cont'd)

(1) (Cont'd)

(e) Two-line nonkey telephone sets wall mounted. RJ14W $12.22

(f) Special single-line (Tx) equipment for use in hospital critical care areas. RJ17C 12.65

(g) 9DB single-line data equipment with mode indication and mode indication common leads. This jack is normally used in association with a series jack. RJ16X 7.96 (Tx)

(x) Issued under authority of Special Permission No. 15-024 of the FCC in order to withdraw material filed under Transmittal No. 1838 without its becoming effective, and to restore currently effective material.

(This page filed under Transmittal No. 1839 )

Issued: December 24, 2015 Effective: December 25, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 528 CANCELS 4th Revised Page 528

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.3 Standard Interface Devices (Cont'd)

Nonrecurring USOC Charge

(A) Standard Voice Jacks (Cont'd)

(1) (Cont'd)

(h) Three-line nonkey (Tx) telephone sets and ancillary devices. RJ25C $ 27.74

(2) 50 Position Miniature Ribbon for connection of multiline terminating equipment and channel derivation devices as follows:

(a) For connection (Tx) to Two-Wire tie trunks E&M type I signaling. (12 line capacity) RJ2EX 108.84 (Tx)

(x) Issued under authority of Special Permission No. 15-024 of the FCC in order to withdraw material filed under Transmittal No. 1838 without its becoming effective, and to restore currently effective material.

(This page filed under Transmittal No. 1839 )

Issued: December 24, 2015 Effective: December 25, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 529 CANCELS 4th Revised Page 529

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.3 Standard Interface Devices (Cont'd)

Nonrecurring USOC Charge

(A) Standard Voice Jacks (Cont'd)

(2) (Cont'd)

(b) For connection to (Tx) Four-Wire tie trunks E&M type I signaling. (8 line capacity) RJ2GX $108.84

(c) For connection to (Tx) Two-Wire tie trunks E&M type II signaling. (8 line capacity) RJ2FX 108.84

(d) For connection to Four-Wire tie trunks E&M type II signaling. (6 line capacity) RJ2HX 108.84 (Tx)

(x) Issued under authority of Special Permission No. 15-024 of the FCC in order to withdraw material filed under Transmittal No. 1838 without its becoming effective, and to restore currently effective material.

(This page filed under Transmittal No. 1839 )

Issued: December 24, 2015 Effective: December 25, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 530 CANCELS 4th Revised Page 530

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.3 Standard Interface Devices (Cont'd)

Nonrecurring USOC Charge

(A) Standard Voice Jacks (Cont'd)

(2) (Cont'd)

(e) For connection to (Tx) off-premises station lines (25 line capacity) RJ21X $113.88

(f) For use with series (Tx) devices such as toll restrictors (12 line capacity) RJ71C 94.54

(g) For connections of up (Tx) to 12 line bridged Four-Wire exchange 2/RT, T1/R1. RJ2DX 84.93 (Tx)

(x) Issued under authority of Special Permission No. 15-024 of the FCC in order to withdraw material filed under Transmittal No. 1838 without its becoming effective, and to restore currently effective material.

(This page filed under Transmittal No. 1839 )

Issued: December 24, 2015 Effective: December 25, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 531 CANCELS 4th Revised Page 531

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.3 Standard Interface Devices (Cont'd)

Nonrecurring USOC Charge

(A) Standard Voice Jacks (Cont'd)

(3) Series Jacks for connections of terminal equipment as follows:

(a) Single-line alarm (Tx) reporting devices. RJ31X $38.99 (Tx)

(b) Series ancillary (Tx) devices such as automatic dialers. Single-line sets with exclusion. RJ32X 38.99

(c) Two-line telephone (Tx) sets with exclusion (Tx) on one line. RJ37X 38.99 (Tx)

(x) Issued under authority of Special Permission No. 15-024 of the FCC in order to withdraw material filed under Transmittal No. 1838 without its becoming effective, and to restore currently effective material.

(This page filed under Transmittal No. 1839 )

Issued: December 24, 2015 Effective: December 25, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 532 CANCELS 4th Revised Page 532

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.3 Standard Interface Devices (Cont'd)

Nonrecurring (Tx) USOC Charge

(A) Standard Voice Jacks (Cont'd)

(4) Weatherproof Jack for use with single-line telephone sets used at locations such as boats and marinas. RJ15C $75.36 (Tx)

(x) Issued under authority of Special Permission No. 15-024 of the FCC in order to withdraw material filed under Transmittal No. 1838 without its becoming effective, and to restore currently effective material. .

(This page filed under Transmittal No. 1839 )

Issued: December 24, 2015 Effective: December 25, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 533 Cancels 2nd Revised Page 533

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.3 Standard InterfaceDevices (Cont'd)

Nonrecurring USOC Charge

(B) Standard Data Jacks

(1) Universal Data Jack for use in connecting fixed loss loop (FLL) and programmed (P) types of data equip- ment. (1 line capa- city) RJ41S $52.39 Cx

D

D (2) Programmed Data Jack for use in connecting programmed data equipment. (1 line capacity) RJ45S $45.70 Cx

D

D

x Rates shown on this page were previously shown as state specific rates on this page.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 534 CANCELS 4th Revised Page 534

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services(Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.3 Standard Interface Devices (Cont'd)

Nonrecurring USOC Charge

(B) Standard Data Jacks (Cont'd)

(3) Multiple Line Uni- versal Data Jack for use in connecting fixed loss loop (FLL) and programmed (P) types of data equip- ment. This jack will terminate up to eight lines. The selection of this jack requires the use of the equip- ment listed following. RJ26X $189.58

(a) Multiple Line Universal (Tx) Data Jack Circuit Cards. For use with RJ26X. One circuit card per circuit required. RJ26S $ 50.50 (Tx)

(x) Issued under authority of Special Permission No. 15-024 of the FCC in order to withdraw material filed under Transmittal No. 1838 without its becoming effective, and to restore currently effective material. .

(This page filed under Transmittal No. 1839 )

Issued: December 24, 2015 Effective: December 25, 2015

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 535 Cancels 2nd Revised Page 535

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.3 Standard Interface Devices (Cont'd)

Nonrecurring USOC Charge

(B) Standard Data Jacks (Cont'd)

(3) (Cont'd)

(b) Multiple Line Universal Data Jack Mounting options. For use with RJ26X. One required per RJ26X.

- Wall Mounting with cover RJM3X $41.14 Cx

D

D

- Rack Mounting (19 inch or 23 inch) RJM4X $28.28 Cx

D

D

x Rates shown on this page were previously shown as state specific rates on this page.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 536

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services

Testing Services offered under this section of the tariff are optional and subject to rates and charges as set forth in 13.3.4(C) following. Other testing services provided by the Telephone Company in association with Access Services are furnished at no additional charge. These other testing services are described in 6.1.6 and 7.1.7 preceding.

Testing services are normally provided by Telephone Company personnel at Telephone Company locations. However, provisions are made in (A)(5), (B)(1) and (B)(2) following for a customer to request Telephone Company personnel to perform testing services at the customer's premises.

The offering of Testing Services under this section of the tariff is made subject to the availability of the necessary qualified personnel and test equipment at the various test locations mentioned in (A), (B) and (C) following:

(A) Switched Access Service

Testing Services for Switched Access are comprised of (a) tests which are performed during the installation of a Switched Access Service, and (b) tests which are performed after acceptance of such access services by a customer, i.e., in-service tests. These in-service tests may be further divided into two broad categories of tests: scheduled and nonscheduled.

Scheduled tests are those tests performed by the Telephone Company on a regular basis, e.g., monthly, which result in the measurement of Switched Access Service. Scheduled tests may be done on an automatic basis (no Telephone Company or customer technicians involved), on a cooperative basis (Telephone Company technician(s) involved at Telephone Company office(s) and customer technician(s) involved at customer's premises), or a manual basis (Telephone Company technician(s) involved at Telephone Company office(s) and at customer's premises).

Nonscheduled tests are performed by the Telephone Company "on demand", which result in the measurement of Switched Access Services. Nonscheduled tests may involve Telephone Company technicians at Telephone Company offices and at the customer's premises.

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 537 Cancels Original Page 537

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(A) Switched Access Service (Cont'd)

(1) Additional Cooperative Acceptance Testing

Additional Cooperative Acceptance Testing (ACAT) of Switched Access Service involves the Telephone Company provision of a technician at its office(s) and the Customer provides a technician at its premises, with suitable test equipment to perform the required tests.

Additional Cooperative Acceptance Tests may, for example, consist of the following tests:

. Impulse Noise . Phase Jitter . Signal to C-Notched Noise Ratio . Intermodulation (Nonlinear) Distortion . Frequency Shift (Offset) . Envelope Delay Distortion . Dial Pulse Percent Break

(2) (D)

(D)

(This page filed under Transmittal No. 1244 )

Issued: August 17, 2000 Effective: September 1, 2000 (T) Four AT&T Plaza, Dallas, Texas 75202 (D) (D)

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 538

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(A) Switched Access Service (Cont'd)

(3) Cooperative Scheduled Testing

Cooperative Scheduled Testing (CST) of Switched Access Services (Feature Groups B, C, and D and Directory Access Service not routed through an access tandem), where the Telephone Company provides a technician at its office(s) and the customer provides a technician at its premises, with suitable test equipment to perform the required tests, will consist of quarterly loss and C-message noise tests, and annual balance tests. However, the customer may specify a more frequent schedule of tests. In addition to the loss/noise/balance measurements, the customer may also order, at additional charges, gain-slope and C-notched noise testing.

The Telephone Company will provide, on a quarterly basis, a CST report that lists the test results for each trunk tested. Trunk test failures requiring customer participation for trouble resolution will be provided to the customer on an as-occurs basis.

(4) Manual Scheduled Testing

Manual Scheduled Testing (MST) of Switched Access Services (Feature Groups B, D and Directory Access Service not routed through an access tandem), where the Telephone Company provides a technician at its office(s) and at the customer's premises, will consist of quarterly loss and C- message noise tests, and annual balance tests. However, the customer may specify a more frequent schedule of tests. In addition to the loss/noise/balance tests, the customer may also order, at additional charges, gain-slope and C-notched noise testing.

The Telephone Company will provide, on a quarterly basis, an MST report that lists the test results for each trunk tested. Trunk test failures requiring customer participation for trouble resolution will be provided to the customer on an as-occurs basis.

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 539

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(A) Switched Access Service (Cont'd)

(5) Nonscheduled Testing

Nonscheduled Testing (NST) of Switched Access Services is where:

- the customer provides remote office test lines and 105 test lines with associated responders or their functional equivalent ("automatic testing"), or

- the Telephone Company provides a technician at its office(s) and the customer provides a technician at its premises, with suitable test equipment to perform the required tests ("cooperative testing"), or

- the Telephone Company provides a technician at its office(s), and/or at the customer's premises with suitable test equipment to perform the required tests ("manual testing").

Nonscheduled Tests may consist of any tests, e.g., loss, noise, slope, envelope delay, which the customer may require.

(6) Obligations of the Customer

(a) The customer shall provide the Remote Office Test Line priming data to the Telephone Company, as appropriate, to support AST as set forth in 13.3.4(A)(2) preceding or NST as set forth in 13.3.4(A)(5) preceding.

(b) The customer shall make the facilities to be tested available to the Telephone Company at times mutually agreed upon.

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 540

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(B) Special Access Service

The Telephone Company will, at the request of a customer, provide assistance in performing specific tests requested by the customer.

(1) Additional Cooperative Acceptance Testing (ACAT)

When a Customer provides a technician at its premises or at an end user's premises, with suitable test equipment to perform the requested tests, the Telephone Company will provide a technician at its office for the purpose of conducting Additional Cooperative Acceptance Testing on Voice Grade Services. At the customer's request, the Telephone Company will provide a technician at the customer’s premises or at the end user premises. These tests may, e.g., consist of the following:

- Attenuation Distortion (i.e., frequency response) - Intermodulation Distortion (i.e., harmonic distortion) - Phase Jitter - Impulse Noise - Envelope Delay Distortion - Echo Control - Frequency Shift

(2) Nonscheduled Testing (NST)

When a customer provides a technician at its premises, with suitable test equipment to perform the required tests, the Telephone Company will provide a technician at its office for the purpose of conducting Nonscheduled Testing. At the customer's request, the Telephone Company will provide a technician at the customer's premises. Nonscheduled tests may consist of any tests, e.g., loss, noise, slope, envelope delay, which the customer may require.

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: November 13, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 9th Revised Page 541 Cancels 8th Revised Page 541

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(B) Special Access Service (Cont'd)

(3) Obligation of the Customer

When the customer subscribes to Testing Service as set forth in this section, the customer shall make the facilities to be tested available to the Telephone Company at times mutually agreed upon.

(C) Rates and Charges

The charges for testing services are as follows:

(1) Switched Access

(a) Additional Cooperative Acceptance Testing

First Each Additional Half Hour Half Hour or or Fraction Fraction Testing Periods USOC Thereof Thereof

Basic Time,

-per technician UBCX+ $40.92 $22.60 (D) (D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 542 Cancels 7th Revised Page 542

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(a) Additional Cooperative Acceptance Testing (Cont'd)

First Each Additional Half Hour Half Hour or or Fraction Fraction Testing Periods USOC Thereof Thereof

Overtime,

(D)

- per technician UBCX+ $41.28 $25.99

(D)

Premium Time,

- per technician UBCX+ $46.34 $29.57 (D) (D) (D) (D)

(D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 6th Revised Page 543 Cancels 5th Revised Page 543

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Service (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(b) (D)

(D)

(D)

(This page filed under Transmittal No. 1244 )

Issued: August 17, 2000 Effective: September 1, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 6th Revised Page 544 Cancels 5th Revised Page 544

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(b) (D)

(D)

(D)

(T) (D) (D)

(This page filed under Transmittal No. 1244 )

Issued: August 17, 2000 Effective: September 1, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 545 Cancels 3rd Revised Page 545

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(b) (D)

(D)

(This page filed under Transmittal No. 1244 )

Issued: August 17, 2000 Effective: September 1, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 546 Cancels 2nd Revised Page 546

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(D) (b)

(D)

(This page filed under Transmittal No. 1244 )

Issued: August 17, 2000 Effective: September 1, 2000

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 547 Cancels 4th Revised Page 547

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(c) Cooperative Scheduled Testing (CST)

The three tests as set forth in (i) following represent the minimum offering, i.e., an order for testing must, at a minimum, consist of four 1004 Hz Loss Tests per transmission path, four C-Message Noise Tests per transmission path and one Return Loss (Balance) Test per transmission path, per year. The Additional Tests as set forth in (ii) following may be ordered by the customer at additional charges, 60 days prior to the start of the customer prescribed schedule. The customer also may specify a more frequent schedule of tests 60 days prior to the start of the customer prescribed schedule.

To First Point Monthly of Switching USOC Rates

(i) Basic Tests#

1004 Hz Loss Tests performed within a one year period, - per test ordered, - per transmission path UBSX+ $ 1.64 Cx

D

D

Rates shown on this page were previously shown as state specific rates on this page. # Subject to a one year minimum period, then continuing until canceled by the customer.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 548 Cancels 4th Revised Page 548

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(c) Cooperative Scheduled Testing (CST) (Cont'd)

To First Point Monthly of Switching USOC Rates

(i) Basic Tests# (Cont'd)

C-Message Noise Tests performed within a one year period, - per test ordered, - per transmission path UBSX+ $ 1.03 Cx

D

D

Return Loss (Balance) Tests performed within a one year period, - per test ordered, - per transmission path UBSX+ .57 Cx

D

D

x Rates shown on this page were previously shown as state specific rates on this page. # Subject to a one year minimum period, then continuing until canceled by the customer.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 549 Cancels 2nd Revised Page 549

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(c) Cooperative Scheduled Testing (CST) (Cont'd)

To First Point Monthly of Switching USOC Rates

(ii) Additional Tests

Gain-Slope Tests performed within a one year period, - per test ordered, - per transmission path UBSX+ $1.09 Cx

D

C-Notched Noise Tests D performed within a one year period, - per test ordered, - per transmission path UBSX+ .62 Cx

D

D

x Rates shown on this page were previously shown as state specific rates on this page.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 550 Cancels 1st Revised Page 550

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(c) Cooperative Scheduled Testing (CST) (Cont'd)

(iii) Example

A customer schedules six 1004 Hz Loss Tests, six C-Message Noise Tests and four Return Loss Tests on one T trunk for a year. Using the rates in T (c)(i) preceding, the charges would be computed as follows: T 6 x 1.64 =9.84 + 6 x 1.03 =6.18 + 4 x .57 =2.28 $18.30 per trunk, per month T

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 551 Cancels 4th Revised Page 551

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(d) Manual Scheduled Testing (MST)

The three tests as set forth in (i) following represent the minimum offering, i.e., an order for testing must, at a minimum, consist of four 1004 Hz Loss Tests per transmission path, four C-Message Noise Tests per transmission path and one Return Loss (Balance) Test per transmission path, per year. The Additional Tests as set forth in (ii) following may be ordered by the customer, at additional charges, 60 days prior to the start of the customer prescribed schedule. The customer also may specify a more frequent schedule of tests 60 days prior to the start of the customer prescribed schedule.

To First Point Monthly of Switching USOC Rates

(i) Basic Tests# Cx

1004 Hz Loss Tests D performed within a one year period, - per test ordered, - per transmission D path UBMX+ $ 1.82

x Rates shown on this page were previously shown as state specific rates on this page. # Subject to a one year minimum period, then continuing until canceled by the customer.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 552 Cancels 4th Revised Page 552

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(d) Manual Scheduled Testing (MST) (Cont'd)

To First Point Monthly of Switching USOC Rates

(i) Basic Tests# (Cont'd)

C-Message Noise Tests performed within a one year period, - per test ordered, - per transmission Cx path UBMX+ $ 1.47

D

D

Return Loss (Balance) Tests performed within a one year period, - per test ordered, - per transmission Cx path UBMX+ 1.37 D

D

Rates shown on this page were previously shown as state specific rates on this page. # Subject to a one year minimum period, then continuing until canceled by the customer.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 553 Cancels 2nd Revised Page 553

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(d) Manual Scheduled Testing (MST) (Cont'd)

To First Point Monthly of Switching USOC Rates

(ii) Additional Tests

Gain-Slope Tests performed within a one year period, - per test ordered, - per transmission path UBMX+ $2.73 Cx

D

D

C-Notched Noise Tests performed within a one year period, - per test ordered, - per transmission path UBMX+ 1.68 Cx

D

D (iii) Example

See (c)(iii) preceding.

x Rates shown on this page were previously shown as state specific rates on this page.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 554 Cancels 1st Revised Page 554

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(e) Nonscheduled Testing (NST)

Automatic Testing:

To First Point Nonrecurring of Switching USOC Charges

1004 Hz Loss, - per test performed USCX+ $13.93 Cx

D

D

C-Message Noise - per test performed USCX+ 13.56 Cx

D

D

Return Loss (Balance), - per test performed USCX+ 14.30 Cx D

D

x Rates shown on this page were previously shown as state specific rates on this page.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 555 Cancels 1st Revised Page 555

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(e) Nonscheduled Testing (NST) (Cont'd)

Automatic Testing: (Cont'd)

To First Point Nonrecurring of Switching USOC Charges

Gain-Slope, - per test performed USCX+ $13.93 Cx

D

D

C-Notched Noise, Cx - per test performed USCX+ 13.56 D

D

x Rates shown on this page were previously shown as state specific rates on this page.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 556 Cancels 7th Revised Page 556

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(e) Nonscheduled Testing (NST) (Cont'd)

Cooperative Testing: First Half Hour Each Additional or Fraction Half Hour or Testing Periods USOC Thereof Fraction Thereof

Basic Time,

-per technician USSX+ $40.92 $22.60 (D) (D) (D)

Overtime,

(D)

-per technician USSX+ $41.28 25.99

(D)

(D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 557 Cancels 7th Revised Page 557

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(e) Nonscheduled Testing (NST) (Cont'd)

Cooperative Testing: (Cont'd)

First Half Hour Each Additional or Fraction Half Hour or Testing Periods USOC Thereof Fraction Thereof

Premium Time,

-per technician USSX+ 46.34 29.57 (D) (D) (D) (D)

(D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 558 Cancels 7th Revised Page 558

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(e) Nonscheduled Testing (NST) (Cont'd)

Manual Testing: First Half Hour Each Additional or Fraction Half Hour or Testing Periods USOC Thereof Fraction Thereof

Basic Time,

-per technician USMX+ $40.92 $22.60 (D) (D) (D)

Overtime,

(D) (D)

-per technician USMX+ 41.28 25.99

(D)

(D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 9th Revised Page 559 Cancels 8th Revised Page 559

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(1) Switched Access (Cont'd)

(e) Nonscheduled Testing (NST) (Cont'd)

Manual Testing: (Cont'd)

First Half Hour Each Additional or Fraction Half Hour or Testing Periods USOC Thereof Fraction Thereof

Premium Time,

-per technician USMX+ $46.34 $29.57 (D) (D) (D) (D)

(D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 560 Cancels 7th Revised Page 560

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(2) Special Access

(a) Additional Cooperative Acceptance Testing (ACAT)

First Half Hour Each Additional or Fraction Half Hour or Testing Periods USOC Thereof Fraction Thereof Basic Time,

-per technician SNTX+ $40.92 $22.60

(D) Overtime, (D)

-per technician SNTX+ 41.28 25.99 (D)

(D)

(D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 561 Cancels 7th Revised Page 561

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(2) Special Access

(a) Additional Cooperative Acceptance Testing (ACAT) (Cont'd)

First Half Hour Each Additional or Fraction Half Hour or Testing Periods USOC Thereof Fraction Thereof Premium Time,

-per technician SNTX+ $46.34 $29.57

(D) (D) (D)

(D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 562 Cancels 7th Revised Page 562

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(2) Special Access (Cont'd)

(b) Nonscheduled Testing (NST)

First Half Hour Each Additional or Fraction Half Hour or Testing Periods USOC Thereof Fraction Thereof

Basic Time,

-per technician SNOX+ $40.92 $22.60 (D) (D) (D)

Overtime,

(D)

-per technician SNOX+ $41.28 $25.99

(D)

(D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 563 Cancels 7th Revised Page 563

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.4 Testing Services (Cont'd)

(C) Rates and Charges (Cont'd)

(2) Special Access (Cont'd)

(b) Nonscheduled Testing (NST) (Cont'd)

First Half Hour Each Additional or Fraction Half Hour or Testing Periods USOC Thereof Fraction Thereof

Premium Time,

-per technician SNOX+ $46.34 $29.57

(D) (D) (D)

(D) (D)

(This page filed under Transmittal No. 1452 )

Issued: March 15, 2005 Effective: March 30, 2005

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 564 Cancels 4th Revised Page 564

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd) 13.3 Miscellaneous Services (Cont'd) 13.3.5 Provision of Access Service Billing Information

(A) The customer may receive the initial copy of their monthly access bill and service and feature record, in the standard format provided by the Telephone Company via, paper, magnetic tape, CD ROM or data transmission at no charge:

(B) At the request of the customer three additional copies of their monthly access (C) bill, and/or service and feature record will be provided in standard format provided by the Telephone Company via, paper, microfiche, magnetic tape, CD ROM or electronic data transmission at no charge. Customers requests for copies of their monthly access bill and/or service and equipment record, beyond (C) these three additional copies will be charged as set forth in (E) following.

(C) If a customer requests receiving their primary bill on a magnetic tape or by electronic data transmission, rules and regulations concerning payment arrangements and credit allowances described in Section 2.4 still apply for these media, as well as for paper, on all accounts.

(D) Upon acceptance by the Telephone Company of an order for data transmission, the Telephone Company will determine the period of time required to implement the transmission of such material on an individual order basis.

(E) The rates and charges for the provision of an additional copy of Access Service Billing Information are as follows: FID Rates (1) Provision of Standard Billing Detail and/or Information in magnetic tape format, - per logical record DMT

Illinois and Ohio $ .0030 Indiana and Michigan ICB rates and charges apply Wisconsin up to 225 bytes $ .0030 - per tape Wisconsin $ 35.00

ICB rates and charges are filed in 13.4 following.

(This page filed under Transmittal No. 1569 )

Issued: July 31, 2006 Effective: August 15, 2006

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 565 Cancels 1st Revised Page 565

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd) 13.3 Miscellaneous Services (Cont'd) 13.3.5 Provision of Access Service Billing Information (Cont'd) (E) Rates and Charges for the Provision of Additional Monthly Access Bills and/or Service and Feature Records (Cont'd)

FID Rates (2) Additional copies of customer's monthly access bill or service and feature record in standard format via data transmission - per record transmitted DMT

State of Illinois ICB rates and charges apply State of Indiana ICB rates and charges apply State of Michigan ICB rates and charges apply State of Ohio ICB rates and charges apply State of Wisconsin ICB rates and charges apply

(3) Additional Copies of customer's monthly access bill or service and features record in standard paper or microfiche format - per page NOB NEL

State of Illinois ICB rates and charges apply State of Indiana ICB rates and charges apply State of Michigan ICB rates and charges apply State of Ohio ICB rates and charges apply State of Wisconsin ICB rates and charges apply

(This page filed under Transmittal No. 647 )

Issued: August 3, 1992 Effective: September 7, 1992

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 566 Cancels 3rd Revised Page 566

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.5 Provision of Access Service Billing Information (Cont'd)

(E) Rates and Charges for the Provision of Additional Monthly Access Bills and/or Service and Feature Records (Cont'd)

FID Rates

(4) Additional Copies of customer's monthly access bill or service and features record in standard format via microfiche record - per microfiche record BOD BTH

State of Illinois ICB rates and charges apply State of Indiana ICB rates and charges apply State of Michigan ICB rates and charges apply State of Ohio ICB rates and charges apply State of Wisconsin ICB rates and charges apply

(5) Additional Copies of customer's monthly access bill or service and features record in standard format via CD ROM - per CD ROM

State of Illinois ICB rates and (C) charges apply (C) State of Indiana ICB rates and charges apply State of Michigan ICB rates and charges apply State of Ohio ICB rates and charges apply State of Wisconsin ICB rates and charges apply

(This page filed under Transmittal No. 1569 )

Issued: July 31, 2006 Effective: August 15, 2006

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 566.1

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.5 Provision of Access Service Billing Information (Cont'd)

(E) Rates and Charges for the Provision of Additional Monthly Access Bills and/or Service and Feature Records (Cont'd)

FID Rates

(6) Change in level of T customer monthly bill M

State of Illinois ICB rates and charges apply State of Indiana Not Available

State of Michigan Not Available

State of Ohio Not Available

State of Wisconsin Not Available M

Certain material on this page previously appeared on 2nd Revised Page 566.

(This page filed under Transmittal No. 733 )

Issued: August 23, 1993 Effective: September 27, 1993

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 567 CANCELS 4th Revised Page 567

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.6 Protective Connecting Arrangements

The following Protective Connecting Arrangements (PCAs) are grandfathered and are offered subject to on-the-shelf availability:

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 568 CANCELS 4th Revised Page 568

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.6 Protective Connecting Arrangements (Cont'd)

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 569 Cancels 1st Revised Page 569

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.6 Protective Connecting Arrangements (Cont'd)

Monthly Nonrecurring Description USOC Rates Charges

PCA which provides for connection of CPE automatic telephone answering devices to Telephone Company Access Services by means of a two-wire interface.

Illinois Not Available Indiana and Ohio PA6++ ICB rates and charges apply Cx All Others PA6++ $4.31 $22.04 D D PCA for use with CPE answer-only equipment where two-way transmission is required.

Illinois Not Available Cx Indiana and Ohio PFZ++ ICB rates and charges apply D All Others PFZ++ $7.24 $35.43 D

Same application as PFZ++ with voice control disconnect and automatic receive volume limiting.

Illinois Not Available Cx Indiana and Ohio PF9++ ICB rates and charges apply D All Others PF9++ $9.34 $24.43 D

x Rates shown on this page were previously shown as state specific rates on this page. ICB rates and charges are filed in 13.4 following.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 570 CANCELS 4th Revised Page 570

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.6 Protective Connecting Arrangements (Cont'd)

Monthly Nonrecurring Description USOC Rates Charges

PCA for use with CPE to provide data on PBX trunks. Also requires standard PBX trunk PCA.

Indiana and Ohio ICB rates and charges apply All Others Not Available

PCA to permit connection of CPE message registers to Telephone Company Switched Access Service for indications of message registration for outgoing calls over the associated central office trunks. Each trunk would also have a PCA (typically PFA++) for (D) connection of the CPE PBX. Illinois Not Available Indiana and Ohio PGB++ ICB rates and charges apply All Others PGB++ $ 1.58 $10.53

Alarm coupler for use with rotary dial, one-way transmission CPE alarm signaling device. Illinois Not Available Indiana and Ohio PGH++ ICB rates and charges apply All Others PGH++ $ 3.91 $48.36

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 571 CANCELS 4th Revised Page 571

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.6 Protective Connecting Arrangements (Cont'd)

Monthly Nonrecurring Description USOC Rates Charges

PCA to permit the connection of CPE to Telephone Company Switched Access Service arranged for two-way service, i.e., outward dialing by hotel/ motel guests and rering by the operator of the IC long distance switchboard (the equivalent of a toll terminal). Illinois, Wisconsin Not Available Indiana and Ohio PDA++ ICB rates and charges apply Michigan only PDA++ $ 8.84 $16.36

(D)

.

(D) PCA to provide for connection of CPE terminal equipment to Telephone Company Switched Access Service via 3-wire interface. Illinois Not Available Indiana and Ohio PDJ++ ICB rates and charges apply All Others PDJ++ $9.03 $33.68

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 572 Cancels 1st Revised Page 572

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.6 Protective Connecting Arrangements (Cont'd)

Monthly Nonrecurring Description USOC Rates Charges

PCA for connection of CPE voice communications systems and/or terminal equipment via two-wire interface to Telephone Company Switched Access Service (only loop start trunks not equipped for toll diversion). Illinois Not Available Indiana and Ohio PDK++ ICB rates and charges apply All Others PDK++ $8.84 $30.68 Cx D D Manual PCA used to connect a cord switchboard position of a CPE system, which provides supervisory signals to Telephone Company Switched Access Service. Illinois Not Available Indiana and Ohio PDQ++ ICB rates and charges apply All Others PDQ++ $4.05 $ 8.18 Cx D D Automatic PCA used to connect Telephone Company Switched Access Service arranged for one-way incoming service to the attendant position of a CPE system. Illinois Not Available Indiana and Ohio PDV++ ICB rates and charges apply All Others PDV++ $4.98 $ 8.18 Cx D D

x Rates shown on this page were previously shown as state specific rates on this page.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 1, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 573 Cancels 1st Revised Page 573

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.6 Protective Connecting Arrangements (Cont'd)

MonthlyNonrecurring Description USOC Rates Charges

Automatic PCA used to connect Telephone Company Switched Access Service arranged for one-way outgoing service from the attendant position of a CPE system.

Illinois Not Available Indiana and Ohio PDZ++ ICB rates and charges apply All Others PDZ++ $7.36 $ 40.68 Cx D D

Automatic PCA used to connect Telephone Company Switched Access Service arranged for one-way outgoing service from the dial switching equipment of a CPE system.

Illinois Not Available Cx Indiana and Ohio PFA++ ICB rates and charges apply D All Others PFA++ $7.36 $40.68 D

x Rates shown on this page were previously shown as state specific rates on this page.

ICB rates and charges are filed in 13.4 following.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 1, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 5th Revised Page 574 CANCELS 4th Revised Page 574

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.6 Protective Connecting Arrangements (Cont'd)

Monthly Nonrecurring Description USOC Rates Charges

(D)

(D)

Automatic PCA used to connect Telephone Company Switched Access Service, arranged for one-way service, i.e., outward dialing by hotel/motel guests to the operator position of an IC long distance switchboard (the equivalent of a toll terminal). Illinois Not Available Indiana and Ohio PFV++ ICB rates and charges apply All Others PFV++ $8.21 $ 8.18

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 575 Cancels 1st Revised Page 575

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.6 Protective Connecting Arrangements (Cont'd)

Monthly Nonrecurring Description USOC Rates Charges

PCA to provide for connection of CPE originate only or originate and answer terminal equipment.

Illinois Not Available Indiana and Ohio PFW++ ICB rates and charges apply All Others PFW++ 7.61 24.43 Cx D D

x Rates shown on this page were previously shown as state specific rates on this page.

(This page filed under Transmittal No. 373 )

Issued: September 29, 1989 Effective: November 13, 1989

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 7th Revised Page 576 CANCELS 6th Revised Page 576

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.7 Reserved for Future Use (T)

(D)

(D)

(This page filed under Transmittal No. 1844 )

Issued: May 16, 2016 Effective: May 31, 2016

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 576.1 Cancels 3rd Revised Page 576.1

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.8 Provision of Billing Name and Address Information

Billing Name and Address (BNA) provides the billing name and address of an end C user who has an Automatic Number Identification (ANI) recorded by the customer for telecommunications services rendered by the customer to its end user. The receipt of this information will allow the customer to provide its own billing to end users who may C not have established a formal relationship with the customer.

(A) The BNA will be obtained by the Telephone Company from its customer information data bases. The BNA will be provided for the ANI received by the Telephone Company to the extent a name and address exists in the Telephone Company's customer information data bases, except that the BNA will not be provided to the customer where the ANI received by the Telephone Company identifies a public telephone or other public telecommunications device.

The request for BNA information will be provided in accordance with specifications provided by the Telephone Company.

The BNA subelements are a minimum monthly charge which includes 75 or less BNA requests, a BNA request charge for requests in excess of 75 per month and a magnetic tape charge. A BNA charge applies for each BNA request whether or not a match is found. A magnetic tape charge applies for each magnetic tape provided to the requesting customer. The magnetic tape will be provided without the return of previously supplied tapes. The output records will normally be made available for mailing ten work days after receipt of the customer order or at an interval mutually agreed upon. Availability may be delayed in case of input errors in the customer provided order. Unless otherwise specified by the customer, the magnetic tape(s) will be sent to the customer via first class U.S. Mail service. If expedited delivery is requested by the customer, the customer can request overnight delivery or arrange for the delivery expense to be charged against its own delivery account.

(This page filed under Transmittal No. 781 )

Issued: February 23, 1994 Effective: April 9, 1994

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 5th Revised Page 576.2 Cancels 4th Revised Page 576.2

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.8 Provision of Billing Name and Address Information (Cont'd)

(B) The BNA provided shall be used by the customer or his authorized billing and collection agent solely for the purpose of billing the customer's end users for telecommunications services rendered by the customer and for no other purposes whatsoever.

Recurring Nonrecurring

(C) Rates and Charges

Monthly Charge (up to and including 75 BNA requests) $37.50

BNA Per request, in excess of 75 per month .446190(I)

Magnetic Tape (including customer's chosen delivery option)

U.S. Mail Delivery Per tape $24.81

Overnight Delivery Per tape 31.50

Customer Arranged Delivery Per tape 19.00

(This page filed under Transmittal No. 1681 )

Issued: June 16, 2008 Effective: July 1, 2008

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 576.3 Cancels 1st Revised Page 576.3

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd)

13.3.9 (D)

(D)

(This page filed under Transmittal No. 1383 )

Issued: February 2, 2004 Effective: February 17, 2004

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 576.4

13. Additional Engineering, Additional Labor, and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd) (N)

13.3.10 Long Distance Trouble Management Service (LDTMS)

(A) Service Description

LDTMS enables a participating Interexchange Carrier (IC) to receive, from the Telephone Company, specific trouble ticket information that relates to the IC's service after a trouble report has been initiated by a residential or business customer who is presubscribed or interconnected to that IC's interstate network. Specific trouble-ticket information is delivered to the participating IC.

If, during a telephone contact between the Telephone Company’s repair personnel and an IC's end-user customer, it is determined that trouble resides in the IC's interstate network, the end-user customer is informed that the ticket will be delivered to the IC for resolution. Telephone Company personnel will answer all repair calls using the Telephone Company brand name.

LDTMS is only provided for a participating IC’s residential and business customers who are also customers of the Telephone Company's local retail services. In addition, only those residential and business customers who are

presubscribed or interconnected to the IC for direct 1+ dialing are eligible for

this service. LDTMS does not support toll-free or data services.

LDTMS will be provided on a negotiated interval basis, which may include joint- acceptance testing. If the IC for the residential or business end-user customer has not subscribed to LDTMS, that end-user customer will be treated in accordance with current operating procedures. (N)

(This page filed under Transmittal No. 1341 )

Issued: March 18, 2003 Effective: April 2, 2003

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 576.5

13. Additional Engineering, Additional Labor, and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd) (N)

13.3.10 Long Distance Trouble Management Service (LDTMS) (Cont’d)

(B) Undertaking of the Telephone Company

The Telephone Company will be responsible for providing the IC all the information needed to establish trouble-ticket handoff. The Telephone Company will also control the format of the information that will be made available to the IC.

(C) Obligations of the IC

Each IC will be solely responsible for the development of its own operation support systems that interface with the Telephone Company’s trouble management system. Each IC will also be solely responsible for meeting the interface standards and requirements as set by the Telephone Company.

(D) Rate Regulations

A monthly recurring rate will apply to each participating IC for every month or fraction thereof that LDTMS is provided. In addition to the monthly recurring charge, there will be a transaction charge for each

ticket that is delivered to the IC’s trouble management system. No

charges will apply to an IC’s residential or business end-user customers. Rates and charges for LDTMS are set forth in Section 13.3.10 (E) following. (N)

(This page filed under Transmittal No. 1341 )

Issued: April 1, 2003 Effective: April 2, 2003

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 576.6

13. Additional Engineering, Additional Labor, and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd) (N)

13.3.10 Long Distance Trouble Management Service (LDTMS) (Cont’d)

(E) Rates and Charges

USOC Monthly Rate Transaction

Charge Long Distance WTR $8,300.00

Trouble Management Service (LDTMS) Transaction TLR $2.20 Charge per trouble ticket

(N)

(This page filed under Transmittal No. 1341 )

Issued: April 1, 2003 Effective: April 2, 2003

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 576.7

13. Additional Engineering, Additional Labor, and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd) (N)

13.3.11 Data Trouble Management Services (DTMS)

(A) Service Description

DTMS enables a participating Interexchange Carrier (IC) to receive, from the Telephone Company, specific trouble ticket information that relates to the IC's service after a trouble report has been initiated by a business customer who is utilizing that IC's interstate network. This is accomplished by having specific trouble ticket information delivered to the participating IC. The method of trouble ticket delivery will be verbal or faxed to a designated telephone number associated with the IC.

If, during a telephone contact between the Telephone Company’s personnel and an IC's end-user customer, it is determined that the circuit is owned by the IC, the end-user customer is informed that the trouble will be reported to the IC for resolution. Telephone Company personnel will answer all repair calls using the Telephone Company brand name.

DTMS is only provided to participating ICs that are customers of the Telephone Company's special access service. Furthermore, DTMS is only available to the IC’s end-user business customers who subscribe to the IC for data services, and utilize as underlying transport, the Telephone Company’s special access service.

DTMS will be provided on a negotiated interval basis, which may include joint- acceptance testing. If the IC for the end-user customer has not subscribed to DTMS, that end-user customer will be treated in accordance with current operating procedures.

DTMS will only be made available for initial trouble referrals; subsequent trouble ticket status information must be provided by the IC to the customer.

(N)

(This page filed under Transmittal No. 1342 )

Issued: April 1, 2003 Effective: April 2, 2003

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 576.8

13. Additional Engineering, Additional Labor, and Miscellaneous Services (Cont'd)

13.3 Miscellaneous Services (Cont'd) (N)

13.3.11 Data Trouble Management Services (DTMS)

(B) Undertaking of the Telephone Company

The Telephone Company will be responsible for providing the IC all the information needed to establish trouble ticket handoff. The Telephone Company will also control the format of the information that will be made available to the IC.

(C) Obligations of the IC

The IC will be responsible for the development of its own operation support systems that interface with the Telephone Company’s trouble management system. Each IC will also be responsible for meeting the interface standards and requirements as set by the Telephone Company.

(D) Rate Regulations

A monthly recurring rate will apply to each participating IC for every month or fraction thereof that DTMS is provided. No charges will apply to an IC’s end- user customers. Rates and charges for DTMS are set forth in Section 13.3.18 (E) (Rates and Charges) following.

(E) Rates and Charges

Monthly USOC Rate

Monthly Recurring Charge TBLDX $10,500

(N)

(This page filed under Transmittal No. 1342 )

Issued: April 1, 2003 Effective: April 2, 2003

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 2nd Revised Page 577 Cancels 1st Revised Page 577

ACCESS SERVICE

13. Additional Engineering, Additional Labor and Miscellaneous Services (Cont'd)

13.4 Individual Case Filings

13.4.1 Provision of Access Service Billing Information

(A) Reserved for future use C

D

D

(This page filed under Transmittal No. 647 )

Issued: August 3, 1992 Effective: September 7, 1992

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 578 Cancels Original Page 578

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies

The operating territory of the Ameritech Operating Companies is comprised of the operating territories of the Illinois Bell Telephone Company, Indiana Bell Telephone Company, Incorporated, Michigan Bell Telephone Company, The Ohio Bell Telephone Company and Wisconsin Bell, Inc. defined as follows:

14.1 Operating Territory of the Illinois Bell Telephone Company

14.1.1 The operating territory to the Illinois Bell Telephone Company is comprised of the entire state of Illinois as defined by the names of the following rate centers.

Rate Center Rate Center Rate Center

Algonquin Cary Evanston Alton Catlin Fairmount Antioch Centralia Farmington Arlington Heights Champaign-Urbana Fiatt Athens Chicago (Zone City) Fithian Aurora City Zones 1 thru 11 Forest Aviston Chicago Heights Forrest Barrington Cicero Fowler Bartlett Coal City Fox Lake Batavia Collinsville Frankfort Beardstown Columbus Franklin Park Beckemeyer Crescent City Freeburg Beecher Crete Galena Belleville Crystal Lake Gardner Bellwood Danville Geneva Bensenville Decatur Georgetown Berwyn Deerfield Germantown Bethalto Delavan Gibson City Big Rock Des Plaines N Gilman Blue Island Dix Glen Carbon Bluford Downers Grove Glencoe Braidwood Dundee Glen Ellyn Breese Dwight Glenview Brighton East Moline Granite City Brookfield East St. Louis Grays Lake Buffalo Edgemont Greenville Burton Edwardsville Half Day Cairo Elburn Hampshire Calumet City Elgin Hanna City Canton Elk Grove Harding Cantrell Elmhurst Harmony Carlyle Elwood Harristown

(This page filed under Transmittal No. 1177 )

Issued: November 2, 1998 Effective: November 17, 1998

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 579 Cancels Original Page 579

ACCESS SERVICE (T) 14. Operating Territory of the Ameritech Operating Companies (cont'd) (T) 14.1 Operating Territory of the Illinois Bell Telephone Company (cont'd) (T) 14.1.1 (cont'd)

Rate Center Rate Center Rate Center

Harvard McClure Plainfield Harvey McHenry Plano Herscher Minooka Plato Center Highland Park Mokena Plattville Hinsdale Moline Quincy Homewood Momence Ridge Farm Huntley Monce Riverdale Illinois City Morris River Grove Indianola Mound City Riverside Ipava Mounds Riverton Itasca Mount Vernon Rochester Iuka Mundelein Rockford Joliet Naperville Rock Island Kaneville Nashville Roselle Kankakee Newark Round Lake Kaskaskia New Athens St. Anne Kell New Lenox St. Charles Kimundy Northbrook St. Joseph La Grange Oakford Salem Lake Forest Oak Forest South San Jose Lake Villa Oak Lawn Seneca Lake Zurich Oak Park (T) Skokie Lansing Oakwood South Beloit La Salle O'Fallon Spring Bay Lebanon Oglesby Springfield Lemont Olive Branch Sterling Lewistown Onarga Sugar Grove Liberty Orland Summit Libertyville Oswego Tallula Lisbon Tamms Lockport Paltine Theves Lombard Palos Park Thornton Park Ridge (N) Tinley Park Manteno Payson Trenton Marengo Peoria Trivoli Marine Peotone Troy Maywood Petersburg Union Mazon Pistakee Highlands Utica

(TR1177)

(This page filed under Transmittal No. 1177 )

Issued: November 2, 1998 Effective: November 17, 1998

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 580

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.1 Operating Territory of the Illinois Bell Telephone Company (Cont'd)

14.1.1 (Cont'd)

Rate Center Rate Center Rate Center

Vandalia Western Springs Wood River Verona Westville Woodstock Warrenville Wheaton Yorkville Watseka Wheeling Zion Wauconda Willow Springs Waukegan Wilmette West Chicago Wilmington West Dana Winnetka

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 581

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.1 Operating Territory of the Illinois Bell Telephone Company (Cont'd)

14.1.2 Dataphone Digital Service is provided with the following Digital Data Hub locations:

(A)Chicago Digital Serving Area

City Zones 101, 102, 102, 104 Deerfield Hinsdale Park Ridge 105, 106, 107, 108, Des Plaines LaGrange River Grove 109, 110, 111, 112, Downers Grove Lake Forest Roselle 113, 114, 115, 116, Dundee Lake Zurich Schiller Park 117, 118, 119, 120, Elgin Libertyville Skokie 121, 122, 123, 124, Elk Grove Lombard Summit 125, Elmhurst Morton Grove Warrenville Arlington Heights Evanston Naperville Waukegan Aurora Geneva Northbrook Wheaton Aurora East Glen Ellyn North Chicago Wheeling Barrington Glenview Oak Lawn Willow Crest Bartlett Hickory Hills Oak Park Bellwood Hillside Palatine Bensenville Cicero

(B) Peoria Digital Service Area

Mossville Peoria Jefferson Peoria Bluffs Peoria North Peoria East Peoria South

(C) Davenport, Iowa, Digital Service Area

East Moline Main Rock Island Main East Moline South Rock Island Milan

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 582

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.2 Operating Territory of the Indiana Bell Telephone Company, Incorporated

14.2.1 The operating territory of the Indiana Bell Telephone Company, Incorporated is comprised of the following locations, defined by the names of rate centers.

Rate Center Rate Center Rate Center Rate Center

Acton Dana Ladoga Osceola Albany Danville Lagro Otterbein Alexandria Darlington Lake Village Oxford Amboy Dugger Lebanon Paragon Anderson Dyer Linton Peru Adrews East Chicago Lowell Plainfield Attica Eaton Manilla Rockport Auburn Edinburg Marion Rockville Bedord Elizabethtown Marshall Rosedale Bloomfield Elwood Martinsivlle Russiaville Bloomington Evansville McCutchanville St. John Bluffton Fairland Mechanicsburg# St. Joseph Boonville Fishers Mellott St. Phillip Boswell Flat Rock Merrilville Sandridge Brownsburg Fowler Michigan City Sellersbur Bruceville Frankfort Michigantown Shelbyville Buck Creek French Lick Mishawaka Sheridan Bunker Hill Hotel Middletown Solitude Burlington Galena Montezuma South Bend Carmel Gary Montpelier Spencer Cayuga Gaston Mooresville Spencerville Cedar Lake Greenfield Morgantown Stewart Chandler Greentown Morocco Summitville Charlestown Greenwood Mt. Summit Tell City Charlottesville Hammond Mt. Vernon Tennyson Chesterfield Hartford City Muncie Upland Chrisney Heltonville Nashville Veedersburg Clinton Highland New Albany Vincennes Columbus Hope New Castle Converse Huntington New Harmony Waveland Covington Indianapolis New Market Waynetown Crawfordsville Jasonville New Palestine West Lebanon CrownPoint Jeffersonville New Washington West Newton Culver Kendallville Newburgh Whiting Cumberland Kingman Noblesville Yorktown Dale Kirklin Oaklandon Zionsville Kokomo

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 583

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.1 Operating Territory of the Michigan Bell Telephone Company

14.3.1 The operating territory of the Michigan Bell Telephone Company is comprised of the entire state of Michigan, defined by the following names of rate centers.

14.3.1(A)DETROT LATA:

Rate Center Rate Center Rate Center

Algonac Flushing Port Huron Ann Arbor Grand Blanc Port Sanilac Applegate Hartland Rochester Armada Holly Rockwood Auburn Heights Howell Romeo Belleville Lake Orion Romulus Birmingham Lapeer Roseville Brighton Lexington Royal Oak Bryon Livonia St. Clair Carleton Manchester Sandusky Carsonville Marine City Snover Center Line Mayfair Southfield Chelsea Milan South Lyon Clarkstown Monroe Trenton Clio-Mt. Morris Mt. Clemens Troy Commerce New Baltimore Utica Croswell New Boston Walled Lake Detroit New Haven Warren Dexter Northville Washington Drayton Plains Oxford Wayne Farmington Peck Whitmore Fenton Pinckney Lake Flat Rock Plymouth Willis Flint Pontiac Wyandotte Ypsilanti

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 584

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.3 Operating Territory of the Michigan Bell Telephone Company (Cont'd)

14.3.1 (Cont'd)

14.3.1(B) LANSING LATA:

Rate Center Rate Center Rate Center

Albion Hillsdale Napoleon Charlotte Holt Nashville Clarklake Jackson Portland Dansville Jonesville Potterville Dimondale Lansing Vermontville Eaton Rapids Leslie Fowlerville Mason Mulliken

14.3.1(C) SAGINAW LATA:

Akron Gagetown Saginaw Auburn Gladwin St. Charles Bad Axe Harrison St. Helen Bay City Linwood Sebewaing Bay Port Mayville Standish Beavertown Midland Ubly Birch Run Oscoda Unionville Clare Owendale Vassar Coleman Reese West Branch East Tawas Rosebush Fairgrove Farwell Franenmuth Freeland

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 585

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.3 Operating Territory of the Michigan Bell Telephone Company (Cont'd)

14.3.1 (Cont'd)

14.3.1(D) GRAND RAPIDS LATA:

Rate Center Rate Center Rate Center Rate Center

Ada Elk Rapids Kalamazoo Pellston Alto Evart Kalkaska Petoskey Athens Fife Lake Kent City Plainwell Baldwin Fountain Lake Leelanau Reed City Battle Creek Franfort Lake Odessa Richland Belding Freeport Le roy Rockford Bellevue Freesoil Lowell St. Joseph Benton Harbor Fremont Luther Sand Lake Berrien Springs Fulton Mackinaw City Saranac Beulah Galesburg Mancelona Scotts Big Rapids Galien Manistee Scottville Boyne City Grand Haven Manton Sparta Buchanan Grand Rapids Marion Stanwood Byron Center Grant Marne Three Oaks Cadillac Grattan Marshall Traverse City Caledonia Greenville Martin Trufant Casnovia Harbor Springs McBain Tustin Cedar Springs Harrietta Middleview Vicksburg Charlevoix Hastings Moline Walloon Lake Cheboygan Holland Morley Watervliet Clarksville Hopkins Newaygo Wayland Coloma Hudsonville New Buffalo White Cloud Coral Indian River Niles Williamsburg Dorr Interlochen Northport Wolverine Dutton Ionia Olivet Zeeland East Jordan Irons Onekama Eau Claire Jamestown Ostego

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 586 Cancels Original Page 586

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.3 Operating Territory of the Michigan Bell Telephone Company (Cont'd)

14.3.1 (Cont'd)

14.3.1(E) UPPER PENINSULA LATA:

Rate Center Rate Center Rate Center Rate Center

Amasa Gladstone Newberry Bark River Gwinn Norway Bergland Hernansville Perkins Bessemer Houghton Powers Big Bay Iron Mountain Rapid River Brevort Iron River Republic Calumet Ironwood Rock Champion Ishpeming St. Ignace Channing Keweenaw S. S. Marie Cornell Lake Linden Stephenson Crystall Falls Mackinac Island Trout Lake Curtis Marquette Wakefield Engadine Menominee Watersmeet Escanaba Negaunee

(This page filed under Transmittal No. 230 )

Issued: October 7, 1988 Effective: October 22, 1988

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 587 Cancels Original Page 587

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.4 Operating Territory of the Ohio Bell Telephone Company

14.4.1 The operating territory of the Ohio Bell Telephone Company is comprised of the following locations, defined by the names of rate centers.

14.4.1(A) Cleveland LATA No. 1

Rate Center Rate Center

Bedford Mentor Berea Montrose Brecksville North Royaltown Burton Olmsted Falls Chagrin Falls Painesville Chesterland Strongsville Cleveland Terrace Gates Mills Trinity Hillcrest Victory Independence West Chester Kirtland Wickliffe Leroy Willoughby

14.4.1(B) Youngstown LATA No. 2

Rate Center Rate Center

Canfield Lowellville Columbiana New Waterford East Liverpool Niles East Palestine North Jackson Girard Rogers Hubbard Salem Leetonia Salineville Lisbon Wellsville Youngstown

(This page filed under Transmittal No. 55 )

Issued: January 14, 1987 Effective: January 29, 1987

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 1st Revised Page 588 Cancels Original Page 588

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.4 Operating Territory of the Ohio Bell Telephone Company (Cont'd)

14.4.1 (Cont'd)

14.4.1(C) Columbus LATA No. 3

Rate Center Rate Center Rate Center

Alton Groveport Rio Grande Arabia Guyan Roseville Barnesville Harrisbury Rushville Berallsville Hilliard Sedalia Bethesda Ironton Shawnee Bloomingburg Jeffersonville Somerset Canal Winchester Lancaster Somerton Carroll Lewisville Steubenville Chesire Lockbourne Sugar Grove Clarington London Thornville Columbus Marietta Conesville Milledgeville Uhrichsville Corning Mingo Junction Vinton Coshocton Murray City Walnut Dresden Nelsonville Washington Court Dublin New Albany House Duffy New Holland West Jefferson Fultonham New Lexington West Lafayette Gahanna New Matamoras Westerville Gallipolis Newcomerstown WHLZ6 Glenford Newport WHLZ7 Gnadenhutten Norwich WHLZ8 Graysville Philo Woodsfield Grove City Reynoldsburg Worthington Zanesville

(This page filed under Transmittal No. 55 )

Issued: January 14, 1987 Effective: January 29, 1987

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 589

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.4 Operating Territory of the Ohio Bell Telephone Company (Cont'd)

14.4.1 (Cont'd)

14.4.1(D) Akron LATA No. 4

Rate Center Rate Center

Akron Manchester Alliance Mantua Atwater Marlboro Canal Fulton Massillon Canton Mogadore Dalton Navarre Greensburg North Canton Hartville Ravenna Kent Rootstown Louisville Sebring Magnolia-Waynesburg Uniontown

14.4.1(E) Dayton LATA No. 5

Rate Center Rate Center

Aberdeen Monroe Beaver Creek New Carlisle Belfast North Hampton Bellbrook Piqua Bowersville Pitchin Cedarville Rainsboro Centerville Ripley Christiansburg South Charleston Dayton South Solon Donnelsville South Vienna Enon Spring Valley Fairborn Springfield Fletcher-Lena Sugar Tree Ridge Franklin Tremont City Hillsboro Trenton Jamestown Vandalia Marshall Winchester Medway Xenia Miamisburg-West Carrollton Yellow Springs-Clifton Middletown

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 590

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.4 Operating Territory of the Ohio Bell Telephone Company (Cont'd)

14.4.1 (Cont'd)

14.4.1(F) Toledo LATA No. 6

Rate Center Rate Center

Bloomingville New Riegel Castalia Petersburg Findlay Sandusky Fostoria Tiffin Fremont Toledo Holland Upper Sandusky Lindsey Whitehouse Maumee

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 3rd Revised Page 591 Cancels 2nd Revised Page 591

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14. Operating Territory of the Ameritech Operating Companies (cont’d) T T 14.5 Operating Territory of the Wisconsin Bell, Inc.

14.5.1 The operating territory of Wisconsin Bell, Inc. is comprised of the following locations, defined by the names of rate centers.

Rate Center Rate Center Rate Center Rate Center T

(A) LATA 350 T

Algoma Kaukauna D Sturgeon Bay Appleton Kewaunee Omro Van Dyne D Little Chute Oshkosh Waupaca De Pere D D Winneconne Green Bay Neenah Wrightstown D New London D Hortonville D Stevens Point

(B) LATA 352 T

D D Eau Claire D D D Ellsworth D Chippewa Falls Houlton Menomonie D D Hudson River Falls Roberts

(C) LATA 354 T

D D Janesville D Richmond Beloit Madison D Stoughton Evansville

(This page filed under Transmittal No. 1179 )

Issued: November 16, 1998 Effective: December 1, 1998

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 Original Page 592

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14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.5 Operating Territory of the Wisconsin Bell, Inc. (Cont'd)

14.5.1 (Cont'd)

14.5.1(D) LATA 356

Rate Center Rate Center Rate Center Rate Center

Beaver Dam Hartford Menomonee Falls Sheboygan Big Bend Hartland Merton Sheboygan Falls Burlington Horicon Milwaukee Somers Burnett Hubertus Muskego Sussex Caledonia Jackson Newburg Thiensville Cedarburg Jefferson North Lake Union Grove Columbus Juneau Oconomowoc Watertown Delavan Kenosha Parkside Waukesha Fon du Lac Lake Geneva Pewaukee Waupun Fort Atkinson Manitowoc Port Washington West Bend Genoa City Mayville Racine Whitewater

Williams Bay

(This page filed under Transmittal No. 18 )

Issued: June 20, 1986 Effective: July 25, 1986

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 Original Page 592.1

ACCESS SERVICE (N) 14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.6 Competitive and Non-Competitive Counties

14.6.1 General

Counties and county-equivalents within the Telephone Company’s operating territories are either Competitive or Non-Competitive for the purposes of pricing Special Access Services. The application of the Competitive and Non-Competitive designations is described in Section 7.4.

Rates and charges for Competitive rate elements are provided in Section 21, and for Non-Competitive rate elements, the rates and charges are provided in Section 7.5.

For Special Access services, as provided in Section 7, rates and charges for End User Local Distribution Channels and their applicable optional features(2) in Non-Competitive Counties are the price cap rates.(1)

14.6.2 Rate Regulations

The application of rates and charges for Special Access services, as provided in Section 7, is based upon the county classification as Competitive or Non-Competitive, as provided in Section 7.4. A list of Competitive and Non-Competitive Counties is located in Sections 14.6.3 and 14.6.4. (N)

(1) Until February 1, 2018, End User Local Distribution Channels and their applicable optional features that had not (N) qualified for Phase II, Level 2 pricing flexibility prior to June 1, 2017, will be rated at the price cap rate regardless of the status of the county in which the applicable wire center is located. (2) Optional features for End User channel terminations includes all optional features in Section 7.5, except for the Transfer Arrangement and Network Reconfiguration Service. (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties

State County Wire Center IL ADAMS BRTOILBU IL ADAMS CLMBILCO IL ADAMS FWLRILFW IL ADAMS LBRTILLB IL ADAMS PYSNILPY IL ADAMS QNCYILAS IL ADAMS QNCYILQY IL BOND GNVLILGR IL CASS BDTWILBD IL CHAMPAIGN CHMPILCO IL CHAMPAIGN CHMPILCP IL CHAMPAIGN CHMPILCU IL CHAMPAIGN CHMPILRA IL CHAMPAIGN STJSILSH IL CLINTON AVTNILAV IL CLINTON BCKMILBM IL CLINTON BRESILBS IL CLINTON CRLYILCL IL CLINTON GTWCILGT IL CLINTON TRENILTR IL COLES CHTNILXC IL COOK ARLHILAH IL COOK ARLHILAJ IL COOK BLISILBI IL COOK BLWDILBW IL COOK BNTOILAG IL COOK BRTLILBT IL COOK CHCGIL24 IL COOK CHCGILAU IL COOK CHCGILBE IL COOK CHCGILCA IL COOK CHCGILCG IL COOK CHCGILCL IL COOK CHCGILCP (N)

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AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 Original Page 592.3

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center IL COOK CHCGILDD IL COOK CHCGILDO IL COOK CHCGILED IL COOK CHCGILFR IL COOK CHCGILHB IL COOK CHCGILID IL COOK CHCGILIR IL COOK CHCGILJW IL COOK CHCGILKE IL COOK CHCGILKI IL COOK CHCGILLA IL COOK CHCGILLD IL COOK CHCGILLR IL COOK CHCGILLW IL COOK CHCGILME IL COOK CHCGILMH IL COOK CHCGILMO IL COOK CHCGILNE IL COOK CHCGILOH IL COOK CHCGILOK IL COOK CHCGILPM IL COOK CHCGILPR IL COOK CHCGILPU IL COOK CHCGILPX IL COOK CHCGILRP IL COOK CHCGILSC IL COOK CHCGILST IL COOK CHCGILSU IL COOK CHCGILWB IL COOK CHHGILCH IL COOK CICRILCI IL COOK CMCYILCC IL COOK DSPLILXA IL COOK DSPLILXL IL COOK ECHGILEH IL COOK EGVGILEG IL COOK EGVGILET IL COOK EVTNILEV IL COOK GLVWILAT IL COOK GLVWILGV IL COOK HCHLILHH IL COOK HFESILPC (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center IL COOK HFESILWL IL COOK HLSDILHD IL COOK HMWDILHO IL COOK HRVYILHA IL COOK LEMTILLE IL COOK LGRCILLG IL COOK MRGVILMG IL COOK MTPRILGT IL COOK NBRKILNB IL COOK NBRKILNT IL COOK OKLWILOL IL COOK OKPKILOP IL COOK ORPKILOR IL COOK PALTILPA IL COOK PKFSILPF IL COOK PLPKILPP IL COOK PRRGILXL IL COOK RLMDILAG IL COOK RLMDILNG IL COOK RSMTILAD IL COOK RSMTILRW IL COOK RVDLILRD IL COOK RVGVILRG IL COOK SCBGILCO IL COOK SCBGILRR IL COOK SCBGILRS IL COOK SCPKILSP IL COOK SKOKILSK IL COOK SMMTILSM IL COOK TNPKILTP IL COOK WLMTILWI IL COOK WNTKILWN IL DUPAGE AURRILAA IL DUPAGE AURRILAE IL DUPAGE BNSVILBV IL DUPAGE BURGILAH IL DUPAGE DWGVILDG IL DUPAGE EMHRILET IL DUPAGE GLELILGE IL DUPAGE HNDLILHI IL DUPAGE ITSCILAB IL DUPAGE LBRDILLH (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center IL DUPAGE LBRDILLM IL DUPAGE LEMTILLN IL DUPAGE LSLEILAA IL DUPAGE NPVLILAN IL DUPAGE NPVLILBJ IL DUPAGE NPVLILNA IL DUPAGE NPVLILNE IL DUPAGE NPVLILNF IL DUPAGE NPVLILNN IL DUPAGE NPVLILNW IL DUPAGE NPVLILUH IL DUPAGE OKBRILOA IL DUPAGE RSLLILRZ IL DUPAGE WCHCILBF IL DUPAGE WCHCILWC IL DUPAGE WHTNILWH IL DUPAGE WNVLILWV IL GRUNDY CLCYILCG IL GRUNDY GRNRILGD IL GRUNDY MAZNILMZ IL GRUNDY MINKILAA IL GRUNDY MRRSILMS IL GRUNDY VRNAILVE IL JACKSON CRDLILAB IL JACKSON CRDLILXE IL JEFFERSON BUFDILBL IL JEFFERSON HRMJILHM IL JEFFERSON MTVRILMV IL JERSEY BITNILBH IL JERSEY ELSHILES IL JO DAVIESS GALNILGA IL KANE AURRILAR IL KANE AURRILAW IL KANE BATVILFL IL KANE BGRKILBG IL KANE EDNDILDU IL KANE ELBNILEU IL KANE ELGNILEL IL KANE GENVILGN IL KANE HMPSILHS IL KANE KAVLILKA IL KANE PLCTILPR (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center IL KANE SGGVILSV IL KANE STCHILAA IL KANE STCHILSW IL KANKAKEE GRPKILGP IL KANKAKEE HPPKILMB IL KANKAKEE HRSCILHR IL KANKAKEE KNKKILKK IL KANKAKEE MMNCILMM IL KANKAKEE MNTNILMT IL KANKAKEE STANILSA IL LAKE ANTCILAC IL LAKE BFGVILAS IL LAKE BNTOILBA IL LAKE DRFDILDF IL LAKE FXLKILFK IL LAKE GURNILAA IL LAKE GYLKILGL IL LAKE HGPKILHP IL LAKE LBVLILAQ IL LAKE LBVLILLI IL LAKE LKFRILLF IL LAKE LKVLILLK IL LAKE LKZRILLZ IL LAKE LNSRILAB IL LAKE NCHCILAA IL LAKE NCHCILNC IL LAKE RNLKILRL IL LAKE VNHLILAF IL LAKE WCNDILWU IL LAKE WKGNILWK IL LAKE WLNGILWG IL LAKE ZIONILZN IL LIVINGSTON DWGHILDH IL LIVINGSTON FRSTILFO IL MACON DCTRILBX IL MACON DCTRILDC IL MACON DCTRILDN IL MACON HRTWILHT IL MADISON ALTNILAK IL MADISON BTHLILBO IL MADISON COVLILCL IL MADISON COVLILCQ (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center IL MADISON EWVLILER IL MADISON GDFYILAN IL MADISON GLCRILGC IL MADISON GRCYILTA IL MADISON MRINILMJ IL MADISON PNBHILSY IL MADISON RSHTILWD IL MADISON TROYILTY IL MADISON WDRVILWR IL MARION CENLILCE IL MARION CENLILTU IL MARION IUKAILIU IL MARION KELLILKL IL MARION KMNDILKY IL MARION SALMILSE IL MARSHALL HNRYILAB IL MCDONOUGH MCMBILAA IL MCHENRY ALGNILAQ IL MCHENRY CARYILCA IL MCHENRY CRLKILCK IL MCHENRY HNTLILHO IL MCHENRY HRVRILHV IL MCHENRY MCHNILMY IL MCHENRY MRNGILMR IL MCHENRY UNINILUN IL MCHENRY WDSTILAB IL MCHENRY WDSTILWS IL MCLEAN BLTNILAT IL MCLEAN BLTNILAY IL MCLEAN BLTNILTS IL MCLEAN BLTNILXD IL MENARD ATHNILAN IL MENARD OKFRILOF IL MENARD PTBGILPG IL MENARD TALLILTL IL MORGAN JCVLILAA IL MORGAN JCVLILAO IL PEORIA BNVLILBN IL PEORIA HNCYILHC IL PEORIA PEORILPB IL PEORIA PEORILPJ IL PEORIA PEORILPN (N)

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AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 Original Page 592.8

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center IL PEORIA TRIVILTI IL RICHLAND OLNYILAB IL ROCK ISLAND CLVYILCV IL ROCK ISLAND EDTNILEN IL ROCK ISLAND EMLNILEM IL ROCK ISLAND GRRKILES IL ROCK ISLAND MILNILMI IL ROCK ISLAND MOLNILML IL ROCK ISLAND RCISILRI IL SANGAMON BFLOILBF IL SANGAMON CNTRILCT IL SANGAMON ROCHILRC IL SANGAMON RVTNILRV IL SANGAMON SPFDIL41 IL SANGAMON SPFDILAQ IL SANGAMON SPFDILES IL SANGAMON SPFDILFA IL SANGAMON SPFDILSD IL SANGAMON SPFDILSL IL SANGAMON SPFDILSW IL SANGAMON SPFDILWO IL ST. CLAIR BLVLILAC IL ST. CLAIR BLVLILAD IL ST. CLAIR BLVLILAI IL ST. CLAIR BLVLILPX IL ST. CLAIR CAHKILAA IL ST. CLAIR EDMTILEX IL ST. CLAIR ESLSILBR IL ST. CLAIR FEBGILLX IL ST. CLAIR LBNNILKG IL ST. CLAIR NWATILGY IL ST. CLAIR OFLNILMQ IL TAZEWELL DLVNILDE IL TAZEWELL EPERILPE IL WILL BCHRILBC IL WILL BGBKILBK IL WILL BRWDILBR IL WILL CRETILCM IL WILL ELWDILAW IL WILL FRFTILFB IL WILL JOLTILAJ IL WILL JOLTILJO (N)

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AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 Original Page 592.9

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center IL WILL JOLTILJW IL WILL JOLTILTC IL WILL LCPTILLP IL WILL MNHTILMA IL WILL MOKNILME IL WILL MONEILGK IL WILL NPVLILSW IL WILL NWLNILNL IL WILL ORPKILOW IL WILL PETNILPT IL WILL PLFDILPL IL WILL RMVLILRM IL WILL WLMGILWM IL WINNEBAGO LVPKILRN IL WINNEBAGO RCFRILRC IL WINNEBAGO RCFRILRE IL WINNEBAGO RCFRILRT IL WOODFORD SPBYILSB IN ALLEN FTWYIN01 IN ALLEN FTWYINXA IN BARTHOLOMEW CLMBIN01 IN BARTHOLOMEW CLMBIN02 IN BARTHOLOMEW CLMBINAK IN BARTHOLOMEW EDBGIN01 IN BARTHOLOMEW EZTWIN01 IN BARTHOLOMEW HOPEIN01 IN BOONE LBNNIN01 IN BOONE MCBBIN01 IN BOONE ZIVLIN01 IN CLARK CHTWIN01 IN CLARK JFVLIN01 IN CLARK NWTNIN01 IN CLARK SLBGIN01 IN CLINTON FRFTIN01 IN CLINTON KRKLIN01 IN CLINTON MCTWIN01 IN DAVIESS WASHIN01 IN DEKALB AUBNIN01 IN DEKALB SNVLIN01 IN DELAWARE ALBYIN01 IN DELAWARE EATNIN01 IN DELAWARE GSTNIN01 (N)

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AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 Original Page 592.10

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center IN DELAWARE MUNCIN01 IN DELAWARE YRTWIN01 IN DUBOIS JSPRINXA IN ELKHART EKHTINXA IN FLOYD GALNIN01 IN FLOYD NWALIN01 IN HAMILTON CRMLIN01 IN HAMILTON CRMLIN02 IN HAMILTON CRMLINAD IN HAMILTON FSHRIN01 IN HAMILTON FSHRIN02 IN HAMILTON FSHRIN03 IN HAMILTON NBVLIN01 IN HAMILTON SHRDIN01 IN HANCOCK GNFDIN01 IN HANCOCK GNFDINAA IN HANCOCK NWPLIN01 IN HARRISON CYDNINXA IN HENDRICKS BRBGIN01 IN HENDRICKS DAVLIN01 IN HENDRICKS IPLSIN18 IN HENDRICKS PLFDIN01 IN HENRY MDTWIN01 IN HENRY NWCSIN01 IN HOWARD BURLIN01 IN HOWARD GNTWIN01 IN HOWARD KOKMIN01 IN HOWARD KOKMIN02 IN HOWARD RSVLIN01 IN JACKSON SYMRINDJ IN JOHNSON GNWDIN01 IN JOHNSON GNWDIN03 IN KNOX BCVLIN01 IN KNOX VINCIN01 IN KNOX VINCINAK IN KNOX VINCINAU IN LAKE CDLKINCZ IN LAKE CRPNINAC IN LAKE CRPNINCX IN LAKE ECHCINAA IN LAKE ECHCINAF IN LAKE ECHCINEC (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center IN LAKE GARYINGM IN LAKE GARYINGO IN LAKE GARYINGR IN LAKE GARYINGW IN LAKE GARYINUS IN LAKE HGLDINHL IN LAKE HMNDINAE IN LAKE HMNDINBX IN LAKE HMNDINHE IN LAKE HMNDINHW IN LAKE LWLLIN01 IN LAKE MEVLIN02 IN LAKE MEVLINAV IN LAKE MEVLINMX IN LAKE MEVLINNI IN LAKE SCVLINDY IN LAKE SLBYINCC IN LAKE STJHINSJ IN LAKE WHNGINWT IN LAPORTE MCCYIN01 IN MADISON ALXNIN01 IN MADISON ARSNIN01 IN MADISON CHFDIN01 IN MADISON ELWDIN01 IN MADISON SMVIIN01 IN MARION ACTNIN01 IN MARION FSHRIN04 IN MARION FSHRINAD IN MARION IPLSIN01 IN MARION IPLSIN02 IN MARION IPLSIN03 IN MARION IPLSIN04 IN MARION IPLSIN06 IN MARION IPLSIN07 IN MARION IPLSIN08 IN MARION IPLSIN09 IN MARION IPLSIN10 IN MARION IPLSIN21 IN MARION IPLSIN80 IN MARION IPLSINAT IN MARION IPLSINCP IN MARION IPLSINMN (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center IN MARION IPLTINCZ IN MARION IPLTINID IN MARION IPLTINIJ IN MARION IPLTINMA IN MARION IPLUIN01 IN MARION IPLUINKC IN MARION IPLYINCP IN MARION OKLNIN01 IN MARION WNTNIN01 IN MARSHALL CLVRIN01 IN MARSHALL PLMOINXA IN MARTIN LOGTINXA IN MIAMI BNHLIN01 IN MIAMI CNVRIN01 IN MIAMI PERUIN01 IN MONROE BLTNIN01 IN MONROE BLTNINAP IN MONROE BLTNINIU IN NOBLE KDVLIN01 IN OWEN SPNCIN01 IN PARKE BLMRIN01 IN PARKE MRSHIN01 IN PARKE RKVLIN01 IN PARKE RSDLIN01 IN PERRY TLCYIN01 IN PERRY TRTPIN01 IN PIKE PTBGIN02 IN PORTER PRTGINXA IN PORTER VLPRINFS IN POSEY MTVRIN01 IN POSEY MTVRINAB IN POSEY NWHRIN01 IN POSEY NWHRINAD IN POSEY SLTDIN01 IN POSEY STPHIN01 IN RUSH MNLLIN01 IN SPENCER CHRSIN01 IN SPENCER DALEIN01 IN SPENCER RCPTIN01 IN SPENCER SNRGIN01 IN ST. JOSEPH MSHWIN02 IN ST. JOSEPH OSCLIN01 (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center IN ST. JOSEPH SBNDIN01 IN ST. JOSEPH SBNDIN03 IN ST. JOSEPH SBNDIN04 IN ST. JOSEPH SBNDIN05 IN ST. JOSEPH SBNDINCA IN ST. JOSEPH SBNDINND IN ST. JOSEPH SBNDINSD IN TIPPECANOE BCCKIN01 IN TIPPECANOE LFYTINCC IN TIPPECANOE OTRBIN01 IN VANDERBURGH EVVLIN01 IN VANDERBURGH EVVLIN02 IN VANDERBURGH EVVLIN03 IN VANDERBURGH EVVLIN22 IN VANDERBURGH EVVLINKK IN VANDERBURGH MCCTIN01 IN VANDERBURGH STJSIN01 IN VERMILLION CAYGIN01 IN VERMILLION CLTNIN01 IN VERMILLION DANAIN01 IN VERMILLION MTZMIN01 IN VIGO TRRHIN02 IN VIGO TRRHINAX IN WABASH LAGRIN01 IN WARREN ATTCIN01 IN WARREN STWTIN01 IN WARREN WLBNIN01 IN WARRICK BNVLIN01 IN WARRICK CHNDIN01 IN WARRICK NWBRIN01 IN WARRICK PGTPINAA IN WARRICK TNSNIN01 IN WAYNE RCMDINGL IN WELLS BFTNIN01 MI ALPENA ALPEMIEF MI ANTRIM ELKRMIMN MI ANTRIM MNCLMIMN MI BAY AUBNMIMN MI BAY BYCYMIFW MI BAY BYCYMIMN MI BAY BYCYMIWS MI BAY BYCYMIWT (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center MI BAY LNWDMIMN MI BENZIE BELHMIMN MI BENZIE FRFTMIMN MI CHARLEVOIX BOCYMIBC MI CHARLEVOIX CHVXMIMN MI CHARLEVOIX EJRDMIMN MI CHARLEVOIX WNLKMIWL MI CHEBOYGAN CHBYMIMN MI CHEBOYGAN CHBYMISO MI CHEBOYGAN INRVMIMN MI CHEBOYGAN WLVRMIMN MI CHIPPEWA SSMRMIMN MI CLARE CLARMICL MI CLARE DOLKMIMN MI CLARE FRWLMIMN MI CLARE FRWLMIWS MI CLARE HRSNMIMN MI CLINTON LNNGMINW MI DELTA BRRVMIMN MI DELTA CRNLMIMN MI DELTA ESCNMIMN MI DELTA GLDSMIGE MI DELTA ROCKMIMN MI DELTA RPRVMIMN MI DICKINSON CHNGMICR MI DICKINSON IRMTMIMN MI DICKINSON NRWYMINW MI EATON BLLVMIMN MI EATON CHRLMIMN MI EATON DMDLMIDD MI EATON ETRPMIER MI EATON MLKNMIMN MI EATON NVVLMIMN MI EATON OLVTMIMN MI EATON POVLMIMN MI EMMET HRSPMIMN MI EMMET MCCYMIMN MI EMMET PLSTMIMN MI EMMET PTSKMIMN MI GENESEE BTNGMIPG MI GENESEE CLIOMIMN MI GENESEE FETPMIAU (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center MI GENESEE FLNTMIMN MI GENESEE FLNTMINE MI GENESEE FLNTMINR MI GENESEE FLNTMINW MI GENESEE FLSHMIFS MI GENESEE GRBLMIMN MI GLADWIN BLNGMIMN MI GLADWIN BVTNMIVT MI GLADWIN GLDWMIGL MI GLADWIN SGSPMIMN MI GLADWIN SKLSMIMN MI GOGEBIC BSMRMIMN MI GOGEBIC IRWDMIMN MI GOGEBIC WKFDMIMN MI GOGEBIC WTRMMIMN MI GRAND TRAVERSE ACMEMIMN MI GRAND TRAVERSE GRWNMIMN MI GRAND TRAVERSE SILKMIMN MI GRAND TRAVERSE TRCYMICI MI GRAND TRAVERSE TRCYMIMN MI GRAND TRAVERSE WLBGMIWB MI HILLSDALE HLDLMIMN MI HILLSDALE JNVLMIMN MI HOUGHTON CHSLMIMN MI HOUGHTON HNCCMIMN MI HOUGHTON LKLIMIMN MI INGHAM DNSVMIMN MI INGHAM ELNSMIMN MI INGHAM HOLTMIHE MI INGHAM HSLTMIHS MI INGHAM LESLMIMN MI INGHAM LNNGMIMN MI INGHAM LNNGMISO MI INGHAM LNNHMICA MI INGHAM MASNMIMS MI INGHAM OKMSMIMN MI IONIA BLDNMIMN MI IONIA CLVLMIMN MI IONIA IONIMIMN MI IONIA LKODMIMN MI IONIA PTLDMIPT MI IONIA SRNCMIDC (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center MI IOSCO ETWSMIMN MI IOSCO OSCDMIMN MI IRON AMSAMIMN MI IRON CRFLMIMN MI IRON IRRVMIMN MI ISABELLA RSBHMIMN MI ISABELLA UNTPMIAK MI JACKSON CLRKMIMN MI JACKSON JCSNMIER MI JACKSON JCSNMIMN MI JACKSON JCSNMINE MI JACKSON JCSNMISA MI JACKSON MCHCMIMN MI JACKSON NPLNMIMN MI KALAMAZOO FLTNMIMN MI KALAMAZOO GLBGMIMN MI KALAMAZOO KLMZMIFA MI KALAMAZOO OSHTMIWS MI KALAMAZOO PRTGMILK MI KALAMAZOO RCLDMIMN MI KALAMAZOO SCTSMIMN MI KALAMAZOO VCBGMIMN MI KALKASKA FFLKMIMN MI KALKASKA KLKSMIKK MI KENT ADA MIMN MI KENT ALTOMIMN MI KENT BYCTMIMN MI KENT CDSPMIMN MI KENT CLDNMICL MI KENT CMPKMICP MI KENT CSNVMICB MI KENT DTTNMIAI MI KENT DTTNMIMN MI KENT GDRPMIBL MI KENT GDRPMIEP MI KENT GDRPMIES MI KENT GDRPMISO MI KENT GDRPMIWS MI KENT GDRPMIYO MI KENT GDRPMIZQ MI KENT GRTNMIMN MI KENT LWLLMIMN (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center MI KENT RCFRMIMN MI KENT RCFRMISE MI KENT SPRTMIMN MI KENT WYNGMIKA MI KENT WYNGMILX MI KEWEENAW CALMMIMN MI KEWEENAW KWNWMIMN MI LEELANAU LKLLMIMN MI LEELANAU NPRTMIMN MI LEELANAU TRCYMIWS MI LUCE NWBYMIMN MI MACKINAC CRTSMIMN MI MACKINAC ENGDMIMN MI MACKINAC MCISMIMN MI MACKINAC STIGMIMN MI MACOMB ARMDMIMN MI MACOMB CNLNMIMN MI MACOMB MTCLMICL MI MACOMB MTCLMIMN MI MACOMB MTCLMINR MI MACOMB NWHNMIMN MI MACOMB ROMOMIAB MI MACOMB ROMOMIMN MI MACOMB RSVLMIMN MI MACOMB RSVLMINR MI MACOMB STCSMIAH MI MACOMB UTICMIMN MI MACOMB WASHMIWA MI MACOMB WRRNMIMN MI MACOMB WRRNMITL MI MANISTEE MNSTMIMN MI MANISTEE ONKMMIMN MI MARQUETTE CHMPMIMN MI MARQUETTE GWNNMIMN MI MARQUETTE HRVYMIMN MI MARQUETTE ISHPMIMN MI MARQUETTE MRQTMIMN MI MARQUETTE NGNEMIMN MI MARQUETTE RPBLMIMN MI MARQUETTE SANDMIAA MI MASON FONTMIMN MI MASON SCVLMIMN (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center MI MECOSTA BGRPMIMN MI MECOSTA MRLYMIMN MI MENOMINEE MNMNMINB MI MENOMINEE PWRSMIMN MI MENOMINEE STSNMIST MI MIDLAND CLMNMIMN MI MIDLAND MDLDMIAQ MI MIDLAND MDLDMIMN MI MIDLAND MDLDMISE MI MIDLAND MDLDMITW MI MIDLAND MDLDMITY MI MONROE CATNMICT MI MONROE MILNMIMN MI MONROE MONRMIBB MI MONROE MONRMIMN MI MONROE MONRMINE MI MONROE RKWDMIRW MI MONTCALM GNVLMIMN MI MONTCALM TRFNMIMN MI OAKLAND ABHGMIMN MI OAKLAND ABHLMIAB MI OAKLAND ABHLMIBH MI OAKLAND ABHLMIFJ MI OAKLAND BLHLMIAV MI OAKLAND BRHMMIBD MI OAKLAND BRHMMIMN MI OAKLAND BTWOMIBI MI OAKLAND CKTNMIMN MI OAKLAND CMRCMICM MI OAKLAND CMRCMINR MI OAKLAND DRPLMIDP MI OAKLAND FMHLMIFH MI OAKLAND FRTNMIMN MI OAKLAND HLLYMIHY MI OAKLAND LKORMILO MI OAKLAND NRVLMIMN MI OAKLAND OXFRMIOX MI OAKLAND PNTCMIMN MI OAKLAND PNTCMINE MI OAKLAND PNTCMINR MI OAKLAND PNTCMIWS MI OAKLAND ROCHMIMN (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center MI OAKLAND RYLOMIMN MI OAKLAND SFLDMIBV MI OAKLAND SFLDMIMN MI OAKLAND SFLDMIOK MI OAKLAND SFLDMISE MI OAKLAND SLYNMIMN MI OAKLAND TROYMIMN MI OAKLAND TROYMISM MI OAKLAND WBFDMIMN MI OAKLAND WDLKMIMN MI ONTONAGON BRLDMIMN MI OSCEOLA EVRTMIMN MI OSCEOLA LROYMIMN MI OSCEOLA MARNMIMN MI OSCEOLA RDCYMIMN MI OSCEOLA TUSTMIMN MI OTTAWA GRHVMIMN MI OTTAWA HDVLMIMN MI OTTAWA HLLDMINR MI OTTAWA JMTWMIMN MI OTTAWA MRNEMIMN MI OTTAWA ZELDMIZL MI ROSCOMMON STHLMIMN MI SAGINAW BNVSMIMN MI SAGINAW BRPTMIMN MI SAGINAW BRPTMISO MI SAGINAW BRRNMIMN MI SAGINAW FELDMIFL MI SAGINAW FRKMMIFR MI SAGINAW SGNWMIAT MI SAGINAW SGNWMIFA MI SAGINAW SGNWMISH MI SAGINAW SGNWMIWS MI SAGINAW STCHMIMN MI SHIAWASSEE BYRNMIBY MI SHIAWASSEE OWSOMIXH MI TUSCOLA FRGRMIMN MI TUSCOLA GGTWMIRM MI TUSCOLA MYVLMIMN MI TUSCOLA REESMIMN MI TUSCOLA UNVLMIMN MI TUSCOLA VSSRMIMN (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center MI WASHTENAW ANARMIMN MI WASHTENAW ANARMISE MI WASHTENAW CHLSMIMN MI WASHTENAW DXTRMIDX MI WASHTENAW MNCHMIMN MI WASHTENAW WILSMIWL MI WASHTENAW WRLKMIMN MI WASHTENAW YPSLMIAB MI WASHTENAW YPSLMIMN MI WAYNE ALPKMIAG MI WAYNE ALPKMIAS MI WAYNE BLVLMIBV MI WAYNE BLVLMINE MI WAYNE DRBRMIBW MI WAYNE DRBRMIDB MI WAYNE DRBRMIEE MI WAYNE DRBRMIFB MI WAYNE DRBRMIHE MI WAYNE DRBRMIOR MI WAYNE DTRTMIAP MI WAYNE DTRTMIBA MI WAYNE DTRTMIBH MI WAYNE DTRTMIBL MI WAYNE DTRTMICL MI WAYNE DTRTMIHG MI WAYNE DTRTMILX MI WAYNE DTRTMIMD MI WAYNE DTRTMINI MI WAYNE DTRTMIPE MI WAYNE DTRTMIPG MI WAYNE DTRTMIQQ MI WAYNE DTRTMIRF MI WAYNE DTRTMIRV MI WAYNE DTRTMITE MI WAYNE DTRTMITW MI WAYNE DTRTMIUV MI WAYNE DTRTMIVT MI WAYNE DTRTMIVW MI WAYNE FLRKMIFR MI WAYNE HGPKMITS MI WAYNE LIVNMIFI MI WAYNE LIVNMIMN (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center MI WAYNE LIVNMINW MI WAYNE LNPKMIAT MI WAYNE NBTNMIMN MI WAYNE PLMOMIFA MI WAYNE PLMOMIMN MI WAYNE RMLSMIBS MI WAYNE RMLSMIMN MI WAYNE TAYLMIWK MI WAYNE TRENMIMN MI WAYNE WAYNMIMN MI WAYNE WAYNMINW MI WAYNE WYNDMIMN MI WEXFORD CDLCMIMN MI WEXFORD HRTAMIMN MI WEXFORD MNTNMIMN OH ADAMS WNCHOH69 OH ALLEN LIMAOHXA OH ASHTABULA ASHTOHXA OH ATHENS NLVLOH75 OH BROWN ABRDOH79 OH BROWN GRTWOHXA OH BROWN RPLYOH39 OH BUTLER MDTWOH42 OH BUTLER MONROH53 OH BUTLER TRENOH98 OH CHAMPAIGN CRBGOH85 OH CLARK DNVLOH88 OH CLARK ENONOH86 OH CLARK MEWYOH84 OH CLARK NHHNOH96 OH CLARK NWCROH84 OH CLARK PTCHOH26 OH CLARK SCTNOH46 OH CLARK SPFDOH32 OH CLARK SPFDOH39 OH CLARK SVINOH56 OH CLARK TRCYOH96 OH CLINTON WLMGOHXB OH COLUMBIANA CLBNOH48 OH COLUMBIANA ELVROH38 OH COLUMBIANA EPLSOH42 OH COLUMBIANA LSBNOH42 (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center OH COLUMBIANA LTNAOH02 OH COLUMBIANA NWWTOH45 OH COLUMBIANA RGRSOH22 OH COLUMBIANA SALMOH33 OH COLUMBIANA SAVLOH67 OH COLUMBIANA WLVLOH53 OH COSHOCTON CNSVOH82 OH COSHOCTON CSTNOH62 OH COSHOCTON WLFYOH54 OH CUYAHOGA BCVLOH52 OH CUYAHOGA BCVLOHDC OH CUYAHOGA BCWDOH46 OH CUYAHOGA BDFROH23 OH CUYAHOGA BEREOH23 OH CUYAHOGA BKPKOH26 OH CUYAHOGA BKPKOH97 OH CUYAHOGA BRKLOHAW OH CUYAHOGA CHFLOH24 OH CUYAHOGA CLEVOH02 OH CUYAHOGA CLEVOH25 OH CUYAHOGA CLEVOH42 OH CUYAHOGA CLEVOH43 OH CUYAHOGA CLEVOH45 OH CUYAHOGA CLEVOH53 OH CUYAHOGA CLEVOH62 OH CUYAHOGA CLEVOH63 OH CUYAHOGA CLEVOH64 OH CUYAHOGA CLEVOH67 OH CUYAHOGA CLEVOH74 OH CUYAHOGA CLEVOHBB OH CUYAHOGA CLHGOH32 OH CUYAHOGA INDPOH52 OH CUYAHOGA INDPOHDB OH CUYAHOGA LKWDOH52 OH CUYAHOGA MPHGOH66 OH CUYAHOGA MYHGOH44 OH CUYAHOGA NOLMOH77 OH CUYAHOGA NRTNOH23 OH CUYAHOGA OLFLOH23 OH CUYAHOGA PARMOH88 OH CUYAHOGA RKRVOH33 OH CUYAHOGA SECLOH38 (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center OH CUYAHOGA SGVLOH23 OH CUYAHOGA SHHGOH92 OH CUYAHOGA SOLNOH24 OH CUYAHOGA WSLKOH87 OH DARKE GNVLOHXA OH DELAWARE DLWROHXA OH ERIE BLNGOH35 OH ERIE CSTLOH68 OH ERIE SNDSOH62 OH FAIRFIELD CNWIOH83 OH FAIRFIELD CRRLOH75 OH FAIRFIELD LNCSOH65 OH FAIRFIELD RUVLOH53 OH FAIRFIELD SGGVOH74 OH FAYETTE BMBGOH43 OH FAYETTE JFVLOH42 OH FAYETTE MDVLOH94 OH FAYETTE WACHOH33 OH FRANKLIN CLMBOH11 OH FRANKLIN CLMBOH23 OH FRANKLIN CLMBOH25 OH FRANKLIN CLMBOH26 OH FRANKLIN CLMBOH27 OH FRANKLIN CLMBOH29 OH FRANKLIN CLMBOH44 OH FRANKLIN CLMBOH47 OH FRANKLIN CLMBOH86 OH FRANKLIN CLMBOHFQ OH FRANKLIN CLMBOHUJ OH FRANKLIN CLMDOH44 OH FRANKLIN DBLNOH89 OH FRANKLIN GVCYOH87 OH FRANKLIN HLRDOH87 OH FRANKLIN HLRDOHEJ OH FRANKLIN LCKBOH49 OH FRANKLIN NWALOH85 OH FRANKLIN NWRMOH66 OH FRANKLIN UPAROH45 OH FRANKLIN UPAROH48 OH FRANKLIN WEVLOH88 OH FRANKLIN WOTNOH88 OH GEAUGA BRTOOH83 (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center OH GEAUGA SCLDOH72 OH GREENE BLBKOH84 OH GREENE BWRVOH45 OH GREENE CDVLOH76 OH GREENE FRBNOH87 OH GREENE JMTWOH67 OH GREENE SPVYOH86 OH GREENE XENIOH37 OH GREENE YESPOH76 OH GREENE ZMMNOH42 OH GUERNSEY CMBROHAE OH HAMILTON CNCNOHAM OH HAMILTON CNCNOHWS OH HAMILTON CNCOOHFP OH HANCOCK FNDYOH42 OH HIGHLAND BLFSOH76 OH HIGHLAND DANHOH28 OH HIGHLAND HLBOOH39 OH HIGHLAND MRSHOH46 OH HIGHLAND RNBOOH36 OH HIGHLAND SGTROH92 OH HOCKING MYCYOH76 OH LAKE ECLDOH73 OH LAKE KRLDOH25 OH LAKE LYTPOH25 OH LAKE MNTROH25 OH LAKE MOTLOH25 OH LAKE PNVLOH35 OH LAKE WLGHOH94 OH LAWRENCE ARABOH64 OH LAWRENCE IRTNOH53 OH LAWRENCE SPNTOH37 OH LOGAN BLLFOHXA OH LORAIN ELYROHXA OH LUCAS HLLDOH11 OH LUCAS MAUMOH11 OH LUCAS ORGNOH69 OH LUCAS TOLDOH21 OH LUCAS TOLDOH38 OH LUCAS TOLDOH40 OH LUCAS TOLDOH47 OH LUCAS TOLDOH53 (N)

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14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center OH LUCAS TOLDOH72 OH LUCAS TOLDOHVD OH LUCAS TOLEOHBR OH LUCAS WHHSOH87 OH MADISON LONDOH85 OH MADISON SDLIOH87 OH MADISON SSLNOH88 OH MADISON WJSNOH87 OH MAHONING BDMNOH75 OH MAHONING BDTMOHID OH MAHONING CNFDOH02 OH MAHONING LLVLOH53 OH MAHONING NJSNOH53 OH MAHONING NLIMOH54 OH MAHONING NWMLOH54 OH MAHONING POLDOH75 OH MAHONING SBNGOH93 OH MAHONING STRTOH75 OH MAHONING YNTWOH02 OH MAHONING YNTWOH74 OH MAHONING YNTWOH78 OH MAHONING YNTWOH79 OH MAHONING YNTWOHHD OH MAHONING YNTWOHKE OH MEDINA MEDNOHXB OH MERCER CELNOHXA OH MIAMI FLTCOH99 OH MIAMI PIQUOH77 OH MONTGOMERY CNTMOH43 OH MONTGOMERY DYTNOH15 OH MONTGOMERY DYTNOH22 OH MONTGOMERY DYTNOH23 OH MONTGOMERY DYTNOH25 OH MONTGOMERY DYTNOH26 OH MONTGOMERY DYTNOH27 OH MONTGOMERY DYTNOH29 OH MONTGOMERY DYTNOH89 OH MONTGOMERY DYTOOHBF OH MONTGOMERY HRTPOHBL OH MONTGOMERY MMBGOH86 OH MUSKINGUM DNFLOH67 OH MUSKINGUM DRSDOH75 (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center OH MUSKINGUM FLHMOH84 OH MUSKINGUM NRWCOH87 OH MUSKINGUM RSVLOH69 OH MUSKINGUM ZNVLOH45 OH PERRY CRNGOH34 OH PERRY GLFROH65 OH PERRY NWLXOH34 OH PERRY SHWNOH39 OH PERRY SMRTOH74 OH PERRY THVLOH24 OH PICKAWAY HRBGOH87 OH PICKAWAY NHLDOH49 OH PORTAGE ATWROH94 OH PORTAGE KENTOH67 OH PORTAGE MGDROH62 OH PORTAGE MNTUOH27 OH PORTAGE RTTWOH32 OH PORTAGE RVNNOH02 OH PORTAGE STBOOH62 OH RICHLAND MNFDOHXA OH SANDUSKY FRMTOH33 OH SANDUSKY LNDSOH66 OH SENECA FSTAOH43 OH SENECA NWRGOH59 OH SENECA TFFNOH44 OH STARK ALNCOH82 OH STARK CNFLOH01 OH STARK CNTNOH45 OH STARK ECTNOH48 OH STARK HTVLOH02 OH STARK LSVLOH87 OH STARK MGNLOH86 OH STARK MRBOOH93 OH STARK MSLNOH02 OH STARK NCTNOH49 OH STARK NINDOH48 OH STARK NVRROH87 OH STARK PRHGOH47 OH SUMMIT AKRNOH25 OH SUMMIT AKRNOH72 OH SUMMIT AKRNOH78 OH SUMMIT AKRNOH86 (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center OH SUMMIT AKRNOHIL OH SUMMIT AKRNOHYT OH SUMMIT BRTNOH74 OH SUMMIT BRTNOH82 OH SUMMIT CVTPOH02 OH SUMMIT CYFLOH92 OH SUMMIT GNBGOH89 OH SUMMIT MNCSOH88 OH SUMMIT NRFDOHXA OH SUMMIT STOWOH68 OH SUMMIT TLMDOH63 OH SUMMIT UNTWOH69 OH TRUMBULL BRFDOH44 OH TRUMBULL HBRDOH02 OH TRUMBULL HLTPOH02 OH TRUMBULL LRTPOH75 OH TRUMBULL NILSOH65 OH TRUMBULL WRRNOHXA OH TUSCARAWAS GNDNOH25 OH TUSCARAWAS NWCMOH49 OH TUSCARAWAS NWPHOHXA OH TUSCARAWAS UHVLOH92 OH UNION MYVIOH10 OH WARREN FKLNOH01 OH WARREN FVPWOH88 OH WASHINGTON BLPROH42 OH WASHINGTON MRTTOH37 OH WASHINGTON NWMTOH86 OH WASHINGTON NWPTOH47 OH WAYNE DLTNOH82 OH WAYNE WSTROHXA OH WOOD BWLGOHXA OH WOOD PRBGOH14 OH WOOD PRBGOH66 OH WYANDOT UPSNOH29 WI BARRON RCLKWIAK WI BROWN DEPRWI11 WI BROWN GNBYWI01 WI BROWN GNBYWI11 WI BROWN GNBYWI12 WI BROWN GNBYWI13 WI BROWN GNBYWIAT (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center WI BROWN GNBYWIUG WI BROWN WRTWWI11 WI CHIPPEWA CHFLWI11 WI COLUMBIA CLMBWI11 WI DANE MDSNWI02 WI DANE MDSNWI04 WI DANE MDSNWI11 WI DANE MDSNWI12 WI DANE MDSNWI13 WI DANE MDSNWI14 WI DANE MDSNWI15 WI DANE MDSNWI16 WI DANE MDSNWI17 WI DANE MDSNWI40 WI DANE MDSNWIUH WI DANE MDSOWIGT WI DANE SGTNWI11 WI DODGE BVDMWI01 WI DODGE HRCNWI11 WI DODGE JUNEWI11 WI DODGE MYVLWI11 WI DODGE WAPNWI11 WI DODGE WTJTWIAA WI DOOR STBYWI11 WI DOUGLAS SPRRWICC WI DUNN MNMNWI11 WI EAU CLAIRE EUCLWI01 WI EAU CLAIRE EUCLWIAT WI EAU CLAIRE EUCLWIAY WI FOND DU LAC FDULWI01 WI JEFFERSON FTATWI11 WI JEFFERSON JFSNWI11 WI JEFFERSON WTTWWI01 WI KENOSHA KENOWI01 WI KENOSHA KENOWI11 WI KENOSHA PLPRWI11 WI KENOSHA PRSDWI11 WI KENOSHA SMRSWI11 WI KEWAUNEE ALGMWI11 WI KEWAUNEE KEWNWI11 WI MANITOWOC MNTWWI01 WI MILWAUKEE MILWWI10 (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center WI MILWAUKEE MILWWI12 WI MILWAUKEE MILWWI13 WI MILWAUKEE MILWWI17 WI MILWAUKEE MILWWI22 WI MILWAUKEE MILWWI23 WI MILWAUKEE MILWWI25 WI MILWAUKEE MILWWI27 WI MILWAUKEE MILWWI28 WI MILWAUKEE MILWWI30 WI MILWAUKEE MILWWI34 WI MILWAUKEE MILWWI38 WI MILWAUKEE MILWWI42 WI MILWAUKEE MILWWI48 WI MILWAUKEE MILWWI56 WI MILWAUKEE MILWWIHE WI MILWAUKEE MILXWIJI WI MILWAUKEE WALLWIFI WI OUTAGAMIE APPLWI01 WI OUTAGAMIE APPLWIAG WI OUTAGAMIE GNVLWI12 WI OUTAGAMIE HOVLWI12 WI OUTAGAMIE KAUKWI11 WI OUTAGAMIE LCHTWI11 WI OZAUKEE CDBGWI15 WI OZAUKEE MILWWI16 WI OZAUKEE PTWAWI11 WI PORTAGE STPTWI01 WI RACINE CLDNWI14 WI RACINE RACNWI01 WI RACINE RACNWI11 WI RACINE STRTWI11 WI RACINE UNGVWI11 WI ROCK BELTWI01 WI ROCK EVVLWI11 WI ROCK JNVLWI01 WI SHEBOYGAN SHBYWI01 WI SHEBOYGAN SHFLWI12 WI ST. CROIX HDSNWI01 WI ST. CROIX HDSTWIAM WI ST. CROIX HLTNWI11 WI ST. CROIX RBRTWI11 WI WALWORTH BURLWI11 (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.3 Competitive Counties (Cont’d)

State County Wire Center WI WALWORTH DLVNWI11 WI WALWORTH GNCYWI12 WI WALWORTH LKGNWI01 WI WALWORTH RCMDWI11 WI WALWORTH WHWRWI11 WI WALWORTH WMBYWI11 WI WASHINGTON HBTSWI11 WI WASHINGTON HRFRWI11 WI WASHINGTON JCSNWI11 WI WASHINGTON NWBGWI11 WI WASHINGTON WBNDWI01 WI WAUKESHA BFTWWI11 WI WAUKESHA BGBNWI11 WI WAUKESHA BRFDWI11 WI WAUKESHA HRLDWI11 WI WAUKESHA MILWWI31 WI WAUKESHA MILWWI45 WI WAUKESHA MNFLWI32 WI WAUKESHA MSKGWI36 WI WAUKESHA NWBLWIAA WI WAUKESHA OCNMWI11 WI WAUKESHA PEWKWI11 WI WAUKESHA PEWKWI40 WI WAUKESHA SUSXWI46 WI WAUKESHA WKSHWI02 WI WAUKESHA WKSHWI47 WI WAUPACA NWLNWI11 WI WAUPACA WPCAWI11 WI WINNEBAGO NENHWI11 WI WINNEBAGO OMROWI11 WI WINNEBAGO OSHKWI01 WI WINNEBAGO VNDNWI11 WI WINNEBAGO WNCNWI11 (N)

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14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.4 Non-Competitive Counties

State County Wire Center IL ALEXANDER CAIRILCF IL ALEXANDER OLBRILOB IL ALEXANDER THBSILTH IL ALEXANDER TMMSILTM IL CHRISTIAN TYVLILXC IL CHRISTIAN TYVLILXD IL DEKALB DKLBILRS IL DEKALB DKLBILXC IL FAYETTE VANDILVA IL FORD GBCYILAE IL FORD GBCYILGB IL FULTON CNTNILCN IL FULTON FIATILFI IL FULTON FRTNILFM IL FULTON IPAVILIP IL FULTON LWTWILLT IL FULTON STDVILCS IL IROQUOIS CRCYILAA IL IROQUOIS CRCYILCC IL IROQUOIS GLMNILGM IL IROQUOIS ONRGILON IL IROQUOIS WTSKILWT IL KENDALL LSBNILLB IL KENDALL MINKILMK IL KENDALL NWRKILNW IL KENDALL OSWGILOS IL KENDALL PLANILPO IL KENDALL PTVLILPV IL KENDALL YRVLILYO IL LASALLE HDNGILHG IL LASALLE LSLLILLS IL LASALLE OGLSILAB IL LASALLE OGLSILOG IL LASALLE OTWAILOT IL LASALLE SENCILSN IL LASALLE UTICILUT IL LOGAN LNCLILXC IL MASON SNJSILSS IL PULASKI MDCYILAA IL PULASKI MNDSILAA IL PULASKI OLMSILOM IL RANDOLPH SPRTILXE IL STEPHENSON FRPTILAT IL STEPHENSON FRPTILXA IL VERMILION CTLNILCB IL VERMILION DAVLILDA (N)

(This page filed under Transmittal No. 1864 )

Issued: October 17, 2017 Effective: November 1, 2017

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 Original Page 592.32

ACCESS SERVICE (N) 14. Operating Territory of the Ameritech Operating Companies (Cont'd)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.4 Non-Competitive Counties (Cont’d)

State County Wire Center IL VERMILION FAMTILFA IL VERMILION FTHNILFT IL VERMILION GRTWILGT IL VERMILION INDNILIN IL VERMILION OKWDILOW IL VERMILION RGFMILRF IL VERMILION WSTVILWE IL WASHINGTON NSVLILNV IL WHITESIDE STNGILSI IN BENTON BSWLIN01 IN BENTON FWLRIN01 IN BENTON OXFRIN01 IN BLACKFORD HRCYIN01 IN BLACKFORD MTPLIN01 IN BROWN MGTWIN01 IN BROWN NSVLIN01 IN FOUNTAIN CVTNIN01 IN FOUNTAIN KGMNIN01 IN FOUNTAIN MLLTIN01 IN FOUNTAIN VDBGIN01 IN GRANT MARNIN02 IN GRANT MARNIN03 IN GRANT UPLDIN01 IN GREENE BLFDIN01 IN GREENE JSVLIN01 IN GREENE LNTNIN01 IN HUNTINGTON ANDRIN01 IN HUNTINGTON HNTNIN01 IN LAWRENCE BDFRIN01 IN LAWRENCE HLVLIN01 IN MONTGOMERY CFVLIN01 IN MONTGOMERY DRTNIN01 IN MONTGOMERY LADGIN01 IN MONTGOMERY NWMRIN01 IN MONTGOMERY WVLDIN01 IN MONTGOMERY WYTWIN01 IN MORGAN MRVIIN01 IN MORGAN MTVIIN01 IN MORGAN PRGNIN01 IN NEWTON LKVGIN01 IN NEWTON MRCCIN01 IN PUTNAM GNCSINAG IN SHELBY FLRKIN01 IN SHELBY FRLDIN01 IN SHELBY SHVLIN01 IN SULLIVAN DGGRIN01 (N)

(This page filed under Transmittal No. 1864 )

Issued: October 17, 2017 Effective: November 1, 2017

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 Original Page 592.33

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.4 Non-Competitive Counties (Cont’d)

State County Wire Center MI ALLEGAN DORRMIMN MI ALLEGAN HLLDMIMN MI ALLEGAN HPKNMIAJ MI ALLEGAN MARTMIMT MI ALLEGAN MCPKMIMN MI ALLEGAN MOLNMIMN MI ALLEGAN OTSGMIOS MI ALLEGAN PLNWMIMN MI ALLEGAN WYLDMIMN MI ARENAC STNDMIMN MI BARAGA MCHGMIMN MI BARRY FRPTMIFP MI BARRY HSNGMIHS MI BARRY MDVLMIMN MI BARRY SHVLMIMT MI BERRIEN BCHNMIMN MI BERRIEN BNHRMIES MI BERRIEN BNHRMIMN MI BERRIEN BRSPMIBS MI BERRIEN EUCLMIEC MI BERRIEN GLENMIMN MI BERRIEN NILSMIMN MI BERRIEN NWBFMIMN MI BERRIEN RVSDMIRV MI BERRIEN STJSMISO MI BERRIEN THOKMIMN MI BERRIEN WTRVMIWV MI CALHOUN ALBNMIMN MI CALHOUN ATHNMIAT MI CALHOUN BTCKMIBC MI CALHOUN BTCKMISO MI CALHOUN MRSHMIMN MI HURON BDAXMIMN MI HURON BYPTMIMN MI HURON OWNDMIMN MI HURON SBWNMISB MI HURON UBLYMIUB MI LAKE BLDWMIMN MI LAKE IRONMIIR MI LAKE LTHRMIMN MI LAPEER LPERMILP MI LIVINGSTON BITNMIES MI LIVINGSTON FNTNMIMN MI LIVINGSTON FWVLMIMN MI LIVINGSTON HMBGMIMN MI LIVINGSTON HOWLMIMN MI LIVINGSTON HRLDMIHR MI LIVINGSTON PNCNMIMN (N)

(This page filed under Transmittal No. 1864 )

Issued: October 17, 2017 Effective: November 1, 2017

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 Original Page 592.34

ACCESS SERVICE

14. Operating Territory of the Ameritech Operating Companies (Cont'd) (N)

14.6 Competitive and Non-Competitive Counties (Cont’d)

14.6.4 Non-Competitive Counties (Cont’d)

State County Wire Center MI MISSAUKEE MCBNMIMN MI NEWAYGO FRMTMIMN MI NEWAYGO GRNTMIMN MI NEWAYGO NWAYMINW MI NEWAYGO SDLKMIMN MI NEWAYGO WHCLMIAD MI OGEMAW WBRNMIMN MI SANILAC CRSWMIMN MI SANILAC CSVIMIMN MI SANILAC LXTNMIMN MI SANILAC PTSNMIMN MI SANILAC SNDSMIMN MI ST. CLAIR ALGNMIMN MI ST. CLAIR HRISMIMN MI ST. CLAIR MRCYMIMN MI ST. CLAIR MYVIMIMN MI ST. CLAIR NBMRMIMN MI ST. CLAIR PTHRMIMN MI ST. CLAIR PTHRMINR MI ST. CLAIR STCLMIMN OH BELMONT BLLROH67 OH BELMONT BRVIOH42 OH BELMONT BTHSOH48 OH BELMONT MRFYOH63 OH BELMONT SCVIOH69 OH BELMONT SHSDOH67 OH BELMONT SMTNOH75 OH GALLIA CHSGOH36 OH GALLIA GLPLOH44 OH GALLIA MCVLOH25 OH GALLIA PATROH37 OH GALLIA RIGROH24 OH GALLIA VNTNOH38 OH JEFFERSON MNJTOH53 OH JEFFERSON SBVIOH26 OH JEFFERSON SBVIOH28 OH JEFFERSON TOROOH53 OH MONROE BEVLOH92 OH MONROE CATNOH45 OH MONROE DFFYOH48 OH MONROE GYVLOH93 OH MONROE LWVLOH56 OH MONROE WOFDOH47 WI PIERCE ELWOWI11 WI PIERCE RVFLWI11 (N)

(This page filed under Transmittal No. 1864 )

Issued: October 17, 2017 Effective: November 1, 2017

675 W. Peachtree St. NW, Atlanta, GA 30308

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 8th Revised Page 593 CANCELS 7th Revised Page 593

ACCESS SERVICE

15. Exceptions to Access Service Offerings

15.1 State of Illinois

15.1.1 Trunk Access Limitation

No further installation of, or changes to the following item will be made. Such item will be continued in service only until July 1, 1988, by which time all existing installations will be removed.

FID Trunk Access Limitation (available with FGD) (D) - Per End Office CHOK

(This page filed under Transmittal No. 1812 )

Issued: August 11, 2014 Effective: August 26, 2014

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 8th Revised Page 593.1 Cancels 7th Revised Page 593.1

ACCESS SERVICE

15. Exceptions to Access Service Offerings (Cont'd)

15.1 State of Illinois (Cont'd)

15.1.2 Exchange Telephone Companies Using Multiple Bill/Multiple Tariff Option (Cont'd)

(D)

(D)

(This page filed under Transmittal No. 1634 )

Issued: July 25, 2007 Effective: August 9, 2007

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 4th Revised Page 593.1.1 CANCELS 3rd Revised Page 593.1.1

ACCESS SERVICE

15. Exceptions to Access Service Offerings (Cont'd)

15.2 State of Indiana

15.2.1 Trunk Access Limitation

No further installation of, or changes to the following item will be made. Such item will be continued in service only until July 1, 1988, by which time all existing installations will be removed.

FID Trunk Access Limitation (available with FGD) (D) - Per End Office CHOK

(This page filed under Transmittal No. 1812 )

Issued: August 11, 2014 Effective: August 26, 2014

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 7th Revised Page 593.2 CANCELS 6th Revised Page 593.2

ACCESS SERVICE

15. Exceptions to Access Service Offerings (Cont'd)

15.3 State of Michigan

15.3.1 Trunk Access Limitation

No further installation of, or changes to the following item will be made. Such item will be continued in service only until July 1, 1988, by which time all existing installations will be removed.

FID

Trunk Access Limitation (available with FGD) (D) - Per End Office CHOK

(This page filed under Transmittal No. 1812 )

Issued: August 11, 2014 Effective: August 26, 2014

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 3rd Revised Page 593.3 CANCELS 2nd Revised Page 593.3

ACCESS SERVICE

15. Exceptions to Access Service Offerings

15.4 State of Ohio

15.4.1 Call Gapping Arrangement

No further installation of, or changes to the following items will be made. Such items will be continued in service only for as long as such items remain at their existing location at which they are being furnished:

FID Call Gapping Arrangement (available with FGD) - Per End Office CGAP

15.4.2 Trunk Access Limitation

No further installation of, or changes to the following item will be made. Such item will be continued in service only until July 1, 1988, by which time all existing installations will be removed.

FID Trunk Access Limitation (available with FGD) (D) - Per End Office CHOK

(This page filed under Transmittal No. 1812 )

Issued: August 11, 2014 Effective: August 26, 2014

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 6th Revised Page 593.3.1 Cancels 5th Revised Page 593.3.1

ACCESS SERVICE

15. Exceptions to Access Service Offerings (Cont'd) (D) 15.4 State of Ohio (Cont'd)

(D)

(This page filed under Transmittal No. 1634 )

Issued: July 25, 2007 Effective: August 9, 2007

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES Tariff F.C.C. No. 2 8th Revised Page 593.4 CANCELS 7th Revised Page 593.4

ACCESS SERVICE

15. Exceptions to Access Service Offerings (Cont'd)

15.5 State of Wisconsin

15.5.1 Trunk Access Limitation

No further installation of, or changes to the following item will be made. Such item will be continued in service only until July 1, 1988, by which time all existing installations will be removed.

FID Trunk Access Limitation (available with FGD) (D) - Per End Office CHOK

(This page filed under Transmittal No. 1812 )

Issued: August 11, 2014 Effective: August 26, 2014

Four AT&T Plaza, Dallas, Texas 75202

AMERITECH OPERATING COMPANIES TARIFF F.C.C. NO. 2 4th Revised Page 593.5 Cancels 3rd Revised Page 593.5

ACCESS SERVICE

15. Exceptions to Access Service Offerings (Cont'd)

15.5 State of Wisconsin (Cont'd)

(D)

(D)

(This page filed under Transmittal No. 1634 )

Issued: July 25, 2007 Effective: August 9, 2007

Four AT&T Plaza, Dallas, Texas 75202