DTE MA No. 15 Verizon New England Inc. Title Page

VERIZON NEW ENGLAND INC. (C)

Rates and Charges Effective In

THE COMMONWEALTH OF

MASSACHUSETTS

DTE MA No. 15

DTE MA No. 15 Table of Contents Access Service

1. Tariff Information ...... 1 1.1. General ...... 1 1.1.1. Concurring, Connecting and Other Participating Carriers ...... 1 1.1.2. Page Revisions ...... 1 1.1.2.A. Issued and Effective Dates ...... 1 1.1.2.B. Page Identity ...... 1 1.1.2.C. Supplement Numbers ...... 1 1.1.3. Tariff Codes ...... 1 1.2. Referencing ...... 2 1.2.1. Reference to Other Tariffs ...... 2 1.2.2. Reference to Other Publications ...... 2 1.2.3. Trademarks and Service Marks ...... 2 1.2.3.B. Registered Service Marks ...... 2 1.2.3.C. Registered Trademark/Service Marks ...... 2 1.3. Tariff Terminology ...... 3 1.3.1. Abbreviations ...... 3 1.3.2. Definitions ...... 7

Page 1 of 43 - Issued: July 07, 1999 DTE MA No. 15 Table of Contents Access Service

2. General Regulations ...... 1 2.1. Application of Tariff ...... 1 2.1.1. Scope ...... 1 2.2. Use of Service ...... 2 2.2.1. Lawful Use ...... 2 2.2.2. Resale ...... 2 2.2.3. Access Service Connections...... 2 2.2.4. Title or Ownership Rights ...... 2 2.2.5. Minimum Periods of Service ...... 2 2.3. Responsibility of the Telephone Company ...... 3 2.3.1. Scope ...... 3 2.3.2. Liability ...... 3 2.3.3. Provision of Service ...... 4 2.3.4. The Point of Termination of Service...... 5 2.4. Customer Notification and Coordination ...... 6 2.4.1. Changes and Substitutions ...... 6 2.4.2. Refusal and Discontinuance of Service ...... 6 2.4.3. Service Affecting Activities ...... 7 2.4.4. Provision and Ownership of Telephone Numbers ...... 7 2.4.5. Interference or Impairments ...... 8 2.4.6. Customer Coordination with Respect to Network Contingencies ...... 8 2.5. Responsibility of the Customer...... 9 2.5.1. Scope ...... 9 2.5.2. Liability ...... 9 2.5.3. Ownership of Facilities and Theft ...... 10 2.5.4. Equipment Space and Power ...... 10 2.5.5. Availability for Testing ...... 11 2.5.6. Coordination with Respect to Network Contingencies ...... 11 2.5.7. Balance ...... 11 2.5.8. Design of Customer Services...... 11 2.5.9. References to the Telephone Company ...... 11 2.5.10. Jurisdictional Report Requirements ...... 11 2.5.10.H. Changes in Projected PIUs ...... 13 2.5.10.L. Jurisdictional Audits ...... 14 2.5.10-1 Exhibit-Schedule For Customer Reporting of Changes in Projected PIUs ...... 16 2.5.11. Determination of Intrastate Charges for Mixed Interstate and Intrastate Access Service ...... 17 2.5.12. Reserved for Future Use ...... 17

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3. Ordering of Service ...... 1 3.1. Access Order...... 1 3.1.1. General ...... 1 3.1.2. Critical Dates ...... 1 3.1.2.A.1. Application Date (APP) ...... 1 3.1.2.A.2. Scheduled Issue Date (SID) ...... 1 3.1.2.A.3. Design Layout Report Date (DLRD) ...... 1 3.1.2.A.4. Confirming Design Layout Report Date (CDLRD) ...... 1 3.1.2.A.5. Records Issue Date (RID) ...... 1 3.1.2.A.6. Wired and Office Tested Date (WOT) ...... 2 3.1.2.A.7. Confirmed Due Date (CDD) ...... 2 3.1.2.A.8. Plant Test Date (PTD) ...... 2 3.1.2.A.9. Service Date (DD) ...... 2 3.1.3. Modification ...... 2 3.1.3.B. Service Date Change ...... 2 3.1.3.C. Design Change ...... 3 3.1.3.D. Expedited Order ...... 4 3.1.3.E. Change in Quantities Ordered ...... 5 3.1.3.F. Changes to Accommodate Transmission Performance ...... 5 3.1.3.G. Partial Cancellation ...... 5 3.1.3.H. Network Reconfiguration Service ...... 5 3.1.4. Cancellation ...... 5 3.1.5. Application of Access Order Cancellation Charges ...... 6 3.1.5-1 Exhibit-Provisioning Cost Percentages–Switched Access Service ...... 8 3.1.5-2 Exhibit-Provisioning Cost Percentages–Switched Access Service–Entrance Facilities ...... 9 3.1.5-3 Exhibit-Provisioning Cost Percentages–Special Access Service ...... 10 3.1.5-4 Exhibit-Provisioning Cost Percentages–Directory Assistance Service ...... 11 3.1.5-5 Exhibit-Provisioning Cost Percentages–Packet Switching Service ...... 12 3.1.6. Service Date Intervals ...... 13 3.1.6.B. Standard Intervals ...... 13 3.1.6.C. Negotiated Interval ...... 13 3.1.6-1 Exhibit-Access Order Service Date Standard Intervals ...... 15 3.1.7. Additional Engineering and Special Construction ...... 16 3.1.8. Available Inventory ...... 16 3.2. Service Changes ...... 17 3.2.1. Changes That Impact Minimum Service Periods ...... 17 3.3. Responsibility of the Customer...... 19 3.3.1. Switched Access Services–General ...... 19 3.3.2. Ordering Entrance Facility ...... 19 3.3.3. Ordering Direct Trunked Transport ...... 19 3.3.4. Ordering Tandem Switched Transport ...... 19 3.3.5. Ordering Feature Group A (FGA) ...... 19 3.3.6. Ordering Feature Group B (FGB) ...... 20 3.3.7. Ordering Feature Group 2A (FG2A) and Feature Group D (FGD) ...... 20 3.3.8. Ordering Feature Group 3A (FG3A) ...... 21 3.3.9. Ordering 800/900 Access ...... 22 3.3.10. Ordering Switched Access to an End Office that is a Remote Switching Office ...... 22 3.3.11. Determining Busy Hour Minutes of Capacity (BHMC) ...... 22 3.3.12. Determining Trunks ...... 23

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3. Ordering of Service 3.3.13. Ordering CCSA ...... 23 3.3.14. Ordering Special Access and Vertical Services ...... 23 3.3.15. Directory Assistance Service...... 24 3.3.16. Other Service ...... 25 3.3.17. Selection of Facilities for Access Orders ...... 25 3.3.18. Shared Use Facilities ...... 25 3.3.18.H. Application of Monthly Rates for the Share Use Facility ...... 26 3.3.18.H.1. Rating as Switched Access Service ...... 26 3.3.18.H.2. Rating as Special Access Service ...... 26 3.3.19. Disconnection of Access Services ...... 27 3.3.20. Shared Billing ...... 27 3.4. Responsibility of the Telephone Company ...... 30 3.4.1. Ordering, Rating and Billing of Access Services Where More Than One Exchange Telephone Company is Involved (Meet Point Billing) ...... 30 3.4.1-1 Exhibit-Meet Point Billing–Assumptions for Determination of Rates ...... 34 3.4.1-2 Exhibit-Meet Point Billing–Calculations for Determination of Rates...... 35

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4. Issuance, Payment and Crediting of Customer Bills ...... 1 4.1. Undertaking of the Telephone Company ...... 1 4.1.1. Billing Convention Methods ...... 1 4.1.2. Billing Periods ...... 1 4.1.3. Late Payment Penalty ...... 1 4.1.4. Payment Date ...... 2 4.1.5. Medium of Payment ...... 2 4.1.5.A.1. Immediately Available Funds ...... 2 4.1.6. Customer Deposits ...... 3 4.1.7. Nonrecurring Charges (NRCs) ...... 3 4.1.8. Billing Dispute ...... 4 4.1.9. Billing Adjustments and Verification ...... 6 4.1.10. Computation of Billed Charges ...... 6 4.1.11. Additional Copies of Bills ...... 7 4.2. Credit Allowance Conditions ...... 8 4.2.1. Service Interruptions ...... 8 4.2.2. Service Provisioning Warranty ...... 11 4.2.2.A. 1.544 Mbps High Capacity Special Access ...... 11 4.2.3. Nynex Performance Plus Maintenance Warranty Program ...... 12 4.2.3.A. 1.544 Mbps High Capacity Special Access ...... 12

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5. Carrier Common Line Access Service ...... 1 5.1. General ...... 1 5.1.1. Description ...... 1 5.2. Responsibility of the Customer...... 2 5.2.1. Reselling MTS/MTS Type Service ...... 2 5.2.2. Customer Facilities ...... 2 5.2.3. Billing Dispute ...... 2 5.3. Application of Rates and Charges ...... 3 5.3.1. Description ...... 3 5.3.2. Determination of Charges ...... 3 5.3.2.C. Apportionment ...... 3

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6. Switched Access Service ...... 1 6.1. Description ...... 1 6.1.1. General ...... 1 6.1.2. Service Structure ...... 1 6.1.2.A.1.a. Originating Calling ...... 1 6.1.2.A.1.b. Terminating Calling...... 1 6.1.2.A.1.c. Two-way Calling ...... 1 6.1.2.B. Shared Use ...... 1 6.1.3. Manner of Provision ...... 2 6.1.3.A. Lines, Trunks and Busy Hour Minutes of Capacity (BHMCs) ...... 2 6.1.3.B. Transmission Specifications ...... 2 6.1.3.C. Facilities and Routing ...... 2 6.1.3.D. Testing ...... 2 6.1.4. Traffic Type ...... 2 6.1.4.B. Originating Traffic ...... 3 6.1.4.C. Terminating Traffic ...... 3 6.1.4.D. Directory Assistance Traffic ...... 3 6.1.5. Provisions for Other Services ...... 3 6.1.5.A. WAL Service ...... 3 6.2. Functional Components of Service ...... 4 6.2.1. General ...... 4 6.2.1-1 Exhibit-Switched Access Service ...... 5 6.2.2. Local Transport ...... 6 6.2.2.E. Local Transport Rate Category ...... 7 6.2.2.E.1. Entrance Facility ...... 7 6.2.2.E.2. Interconnection Charge ...... 7 6.2.2.E.3. Channel Mileage ...... 7 6.2.2.E.4.a. Local Transport Termination ...... 7 6.2.2.E.4.b. Local Transport Facility ...... 8 6.2.2.E.4.c. Local Transport Tandem Switching ...... 8 6.2.2.E.5. Operator Access ...... 8 6.2.2.F. Interface Groups ...... 9 6.2.2.F.3. Transmission Specifications ...... 9 6.2.2.F.4. Signaling...... 9 6.2.2.G. Optional Features ...... 10 6.2.2.G.1. For Interface Groups 1 and 2 ...... 10 6.2.2.G.2. For Interface Group 2 ...... 10 6.2.2.G.3. For Interface Groups 6, 7 and 9 ...... 10 6.2.2.H. Other Nonchargeable Local Transport Optional Features ...... 10 6.2.2.H.1. Customer Specified Entry Switch Receive Level ...... 10 6.2.2.H.2. Customer Specification of Local Transport Termination ...... 10 6.2.2.H.3. Signaling System 7 Signaling ...... 10 6.2.2.I. Chargeable Optional Features ...... 11 6.2.2.I.1. Common Channel Signaling Access ...... 11 6.2.2-1 Exhibit-Premises Interface Codes–Interface Group 1 (USOC TPP1X) ...... 12 6.2.2-2 Exhibit-Premises Interface Codes–Interface Group 2 (USOC TTP2X) ...... 14 6.2.2-3 Exhibit-Premises Interface Codes–Interface Group 6 (USOC TTP6X) ...... 16 6.2.2-4 Exhibit-Premises Interface Codes–Interface Group 7 (USOC TTP7X) ...... 17

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6. Switched Access Service 6.2.2-5 Exhibit-Premises Interface Codes–Interface Group 9 (USOC TTP9X) ...... 18 6.2.2-6 Exhibit-Premises Interface Codes–Interface Group 9 (USOC TTP9X) ...... 19 6.2.2-7 Exhibit-Field Identifiers (FIDs) for Optional Features–Local Transport ...... 20 6.2.3. Local Switching ...... 21 6.2.3.A.1. Local End Office Switching ...... 21 6.2.3.A.2. Transport Termination ...... 21 6.2.3.A.3. Intercept ...... 21 6.2.3.A.4. Line Termination ...... 21 6.2.4. Local Switching Optional Features–Common Switching ...... 21 6.2.4.A. Alternate Traffic Routing–End Office Alternate Routing When Ordered in Trunks ...... 21 6.2.4.B. Alternate Traffic Routing–Multiple Customer Premises ...... 22 6.2.4.C. Automatic Number Identification (ANI) ...... 22 6.2.4.D. Band Advance Arrangement for Use With WAL Service ...... 23 6.2.4.E. Call Denial on Line or Hunt Group ...... 23 6.2.4.F. Delay Dial Start–Pulsing Signaling ...... 23 6.2.4.G. Dial Pulse Address Signaling ...... 23 6.2.4.H. End Office End User Line Service Screening for Use With WAL Service ...... 24 6.2.4.I. Hunt Group Arrangement ...... 24 6.2.4.J. Hunt Group Arrangement for Use With WAL Service ...... 24 6.2.4.K. Immediate Dial Pulse Address Signaling ...... 24 6.2.4.L. Nonhunting Number for Use With Hunt Group or Uniform Call Distribution Arrangement ...... 24 6.2.4.M. Nonhunting Number for Use With Hunt Group Arrangement or Uniform Call Distribution Arrangement for Use With WAL Service ...... 24 6.2.4.N. Routing of IntraLATA Calls to the Telephone Company for Use With WAL Service ...... 25 6.2.4.O. Service Class Routing ...... 25 6.2.4.P. Service Code Denial on Line or Hunt Group ...... 25 6.2.4.Q. Uniform Call Distribution Arrangement ...... 25 6.2.4.R. Uniform Call Distribution Arrangement for Use With WAL Service ...... 25 6.2.4.S. Up to Seven Digit Outpulsing of Access Digits To Customer ...... 25 6.2.4-1 Exhibit-Field Identifiers (FIDs) for Local Switching Optional Features–Common Switching...... 26 6.2.5. Local Switching Optional Features–Transport Termination ...... 27 6.2.5.A. Operator Trunk Assist Feature ...... 27 6.2.5.B. Operator Trunk Full Feature ...... 27 6.2.5.C. Rotary Dial Station Signaling ...... 27 6.2.5-1 Exhibit-Field Identifiers (FIDs) for Local Switching Optional Features–Transport Termination ...... 28 6.2.6. Local Switching Optional Features–WAL Service Terminations ...... 29 6.2.6.A. WAL Service Terminations...... 29 6.2.6.A.1. Answer Supervision ...... 29 6.2.6.A.2. E&M Supervisory Signaling ...... 29

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6. Switched Access Service 6.2.6-1 Exhibit-Field Identifiers (FIDs) for Local Switching Optional Features–WAL ...... 30 6.2.7. Local Switching Optional Features–SS7 Signaling Options ...... 32 6.2.7.A. Calling Party Number (CPN) ...... 32 6.2.7.B. Charge Number (CN) ...... 32 6.2.7.C. Carrier Selection Parameter (CSP) ...... 32 6.2.7.D. Carrier Identification Parameter ...... 32 6.3. Description of Switched Access Services ...... 33 6.3.1. Feature Group A (FGA) ...... 33 6.3.1.C. Originating Access ...... 33 6.3.1.D. Terminating Access ...... 33 6.3.1.F. Extensions ...... 34 6.3.1.G. Signaling ...... 34 6.3.1.H. Intercept Announcement ...... 34 6.3.1.I. Transmission Specifications ...... 34 6.3.1.J. Common Switching Optional Features ...... 35 6.3.1.K. Transport Termination Optional Features ...... 35 6.3.1.K.1. Two-way Operation ...... 35 6.3.1.K.2. Terminating Operation ...... 35 6.3.1.K.3. Originating Operation ...... 35 6.3.1.L. Local Transport Optional Features ...... 35 6.3.1.M. Other Features ...... 36 6.3.2. Feature Group B (FGB) ...... 36 6.3.2.C. Uniform Access ...... 36 6.3.2.D. Terminating Access ...... 36 6.3.2.E. Signaling ...... 37 6.3.2.F. Intercept Announcement ...... 37 6.3.2.G. Transmission Specifications ...... 37 6.3.2.H. Testing Capabilities ...... 38 6.3.2.I. Provisions for Other Services ...... 38 6.3.2.J. Common Switching Optional Features ...... 38 6.3.2.K. Transport Termination Optional Features ...... 38 6.3.2.L. Local Transport Optional Features ...... 38 6.3.2.M. WATS Access Line Service Termination Optional Features ...... 38 6.3.2.N. Other Features ...... 38 6.3.3. Feature Group D (FGD) ...... 39 6.3.3.C. Uniform Access ...... 39 6.3.3.D. Terminating Access ...... 40 6.3.3.E. Redirection of End User Dialed Calls ...... 40 6.3.3.F. Signaling ...... 41 6.3.3.G. Transmission Specifications ...... 41 6.3.3.H. Testing Capabilities ...... 41 6.3.3.I. Common Switching Optional Features ...... 41 6.3.3.J. Transport Termination Optional Features ...... 42 6.3.3.K. Local Transport Optional Features ...... 42 6.3.3.L. WAL Service Termination Optional Features...... 42 6.3.3.M. Other Optional Features ...... 42 6.3.3.M.1. WAL Service 10XXX Capability ...... 42 6.3.4. Feature Group 2A (FG2A) ...... 43 6.3.4.C. Terminating Access ...... 43 6.3.4.D. Originating Access ...... 43

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6. Switched Access Service 6.3.4.E. Access Code ...... 43 6.3.4.F. Signaling ...... 43 6.3.4.G. Intercept Arrangement ...... 44 6.3.4.H. Transmission Specifications ...... 44 6.3.4.I.1. Calling Plan 1 ...... 44 6.3.4.I.2. Calling Plan 2 ...... 44 6.3.5. Feature Group 3A (FG3A) ...... 44 6.3.5.D. Signaling ...... 44 6.3.5.E. Intercept Arrangement ...... 45 6.3.5.F. Transmission Specifications ...... 45 6.3.5.G. Common Switching Optional Features ...... 45 6.3.5-1 Exhibit-Field Identifiers (FIDs) for Optional Features–Other ...... 46 6.3.6. 800 Data Base Access Service...... 47 6.3.6.G. Optional Features ...... 48 6.3.6.G.1. Alternate Call Routing Establishment ...... 48 6.3.6.G.2. 800 to POTS Translation ...... 48 6.3.7. 900 Access Service ...... 48 6.3.8. Entrance Facilities and Direct Trunked Transport ...... 49 6.3.8.A. Voice Grade ...... 49 6.3.8.B. DS1 Facility ...... 50 6.3.8.C. DS3 Facility ...... 50 6.3.8.D. Compatible Channel Interfaces ...... 51 6.3.8.E. Transmission Specifications ...... 51 6.4. Responsibility of the Telephone Company ...... 52 6.4.1. Transmission Specifications ...... 52 6.4.2. Network Management ...... 52 6.4.3. Design and Traffic Routing of Tandem Switched Trunks ...... 53 6.4.3.D. Design Layout Report ...... 53 6.4.4. Provision of Service Performance Data...... 54 6.4.5. Trunk Group Measurement Reports ...... 54 6.4.6. Determination of Number of End Office Transport Terminations ...... 54 6.4.7. Design Blocking Probability ...... 54 6.4.7.E. Excessive Trunk Group Blocking ...... 55 6.4.7.E.1. Chargeable Thresholds for Trunk Groups Specified in Exhibit 6.4.7-1 ...... 55 6.4.7.E.2. Chargeable Thresholds for Trunk Groups Specified in Exhibit 6.4.7–2 ..... 56 6.4.7-1 Exhibit-Measured Blocking Thresholds in the Time Consistent Busy Hour for the Number of Average Business Day Measurements Per Trunk Group ...... 57 6.4.7-2 Exhibit-Measured Blocking Thresholds in the Time Consistent Busy Hour for the Number of Average Business Day Measurements Per Trunk Group ...... 58 6.4.8. Measuring Access Minutes ...... 59 6.4.8.B. All Feature Groups ...... 59 6.4.8.D. Feature Group A Usage Measurement ...... 60 6.4.8.E. Feature Group B Usage Measurement ...... 60 6.4.8.F. Feature Group D and Feature Group 2A Usage Measurement ...... 61 6.4.8.G. Feature Group 3A Usage Measurement ...... 62 6.4.9. Determining Mileage Measurement ...... 62 6.4.9.A. Standard Channel Termination for a DS3 Entrance Facility ...... 62

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6. Switched Access Service 6.4.9.C. Exceptions to Mileage Measurement Rules...... 63 6.5. Responsibility of The Customer ...... 65 6.5.1. Facility Requirements ...... 65 6.5.2. Report Requirements ...... 65 6.5.2.A.1. Jurisdictional Reports ...... 65 6.5.2.A.2. Code Screening Reports ...... 65 6.5.2.A.3. 900 Access Service Reports ...... 65 6.5.2.A.4. Trunk Group Measurement Reports ...... 65 6.5.3. Supervisory Signaling ...... 65 6.5.4. Design of Switched Access Services ...... 66 6.5.5. Determination of Number of Transmission Paths ...... 66 6.6. Rate Regulations...... 67 6.6.1. Monthly Rates ...... 67 6.6.2. Usage Rates ...... 67 6.6.3. Nonrecurring Charges (NRCs) ...... 67 6.6.3.A. Installation of Service ...... 67 6.6.3.B. Installation of Optional Features ...... 67 6.6.3.C. Service Rearrangements ...... 68 6.6.3.D.1. Reserved for Future Use ...... 69 (T) 6.6.3.D.2. Reserved for Future Use ...... 69 (T) 6.6.3.E. All Other Service Rearrangements ...... 69 6.6.3.F. Moves ...... 71 6.6.3.F.1. Moves Within the Same Building ...... 71 6.6.3.F.2. Moves to a Different Building ...... 71 6.6.3.G. Discontinuance’s of Existing Service and Installations of New Service ...... 71 6.6.5. Application of Local Transport Rates ...... 72 6.6.6. Local Switching ...... 73 6.6.7. FG2A and FG3A ...... 73 6.6.7.A. FG2A ...... 73 6.6.7.B. FG3A ...... 73 6.6.8. Minimum Monthly Charge ...... 73 6.6.9. Reserved for Future Use ...... 73 6.6.10. 800 Data Base Access ...... 73 6.6.11. Optional Features ...... 74 6.6.11.A. CCSA ...... 74 6.6.12. Message Unit Credit ...... 74 6.6.13. Local Information Delivery Services...... 74 6.7. IntraLATA Access Firm Rate Plan (IAFRP) ...... 75 6.7.1. Description ...... 75 6.7.1.E. Termination of the Service Agreement ...... 76 6.7.1.F. Relocation and Transfer ...... 76 6.8. Facility Hubs ...... 77 6.8.1. Description ...... 77

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7. Special Access Service ...... 1 7.1. Description ...... 1 7.1.1. General ...... 1 7.1.2. Service Structure ...... 1 7.1.3. Manner of Provision ...... 2 7.1.3.A. Transmission Specifications ...... 2 7.1.3.B. Facilities Routing ...... 2 7.1.3.C. Channel Interfaces ...... 2 7.1.3.D. Design Layout Report ...... 2 7.1.3.E. Acceptance Testing ...... 2 7.1.3.F. Additional Cooperative Acceptance Testing for Voice Grade Service ...... 3 7.1.3.G. Alternate Use ...... 3 7.1.4. Multiplexing ...... 4 7.1.4.A. Facility Hubs ...... 4 7.1.4.B. Cascading Multiplexing ...... 4 7.1.4.C. Intermediate or Terminus Hubs ...... 4 7.1.5. Two-Point Service Configuration ...... 5 7.1.5-1 Exhibit-Two-Point Voice Grade Service Connecting ...... 6 7.1.6. Multipoint Service Configuration ...... 7 7.1.6-1 Exhibit-Voice Grade Multipoint Service Connecting Four Customer Designated Premises via Two Customer Specified Bridging Hubs ...... 8 7.2. Description of Special Access Services...... 9 7.2.1. Reserved for Future Use ...... 9 7.2.2. Reserved for Future use ...... 9 7.2.3. Voice Grade Service ...... 9 7.2.3.D. Optional Features and Functions ...... 10 7.2.3.D.1. Central Office Bridging Capability ...... 10 7.2.3.D.2. Central Office Multiplexing ...... 10 7.2.3.D.3. Conditioning ...... 10 7.2.3.D.4. Customer Specified Premises Receive Level ...... 10 7.2.3.D.5. Improved Return Loss 2-Wire ...... 10 7.2.3.D.6. Improved Return Loss 4-Wire ...... 10 7.2.3.D.7. Data Capability (D-Type Conditioning) ...... 10 7.2.3.D.8. Telephoto Capability ...... 11 7.2.3.D.9. Signaling Capability ...... 11 7.2.3.D.10. Selective Signaling Arrangement ...... 11 7.2.3.D.11. Transfer Arrangement ...... 11 7.2.3.D.12. Four-Wire/Two-Wire Conversion ...... 11 7.2.4. DIGIPATH® Digital Service II (DDSII) ...... 11 7.2.4.D. Optional Features and Functions ...... 12 7.2.4.D.1. Secondary Channel Capability ...... 12 7.2.5. Fractional T-1 Service ...... 12 7.2.6. Digital Data Service (DDS) ...... 12 7.2.6.E. Optional Features and Functions ...... 13

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7. Special Access Service 7.2.6.E.1. Central Office Bridging—Transfer Arrangement ...... 13 7.2.7. High Capacity Service ...... 13 7.2.7.D. Optional Features and Functions ...... 13 7.2.7.D.1. Central Office Multiplexing ...... 13 7.2.7.D.1.a. DS1 to Voice ...... 13 7.2.7.D.1.b. DS1 to DS0 ...... 14 7.2.7.D.1.c. DS0 to Subrate ...... 14 7.2.7.D.1.d. DS1 to Digital ...... 14 7.2.7.D.2. Clear Channel Capability ...... 14 7.2.7.D.3. Alternate Serving Wire Center ...... 14 7.2.8. WATS Access Line (WAL) Service ...... 14 7.2.8.F. Optional Features and Functions ...... 15 7.2.8.F.1. Central Office Bridging ...... 15 7.2.8.F.2. Improved Two-Wire Voice Transmission Specifications ...... 15 7.2.8.F.2.a. Loss Deviation ...... 15 7.2.8.F.2.b. Attenuation Distortion ...... 15 7.2.8.G. Optional Features and Functions ...... 15 7.2.8.G.1. Return Loss ...... 15 7.2.8.G.2. C-Message Noise ...... 15 7.3. Functional Components of Service ...... 16 7.3.1. Channel Termination ...... 16 7.3.2. Channel Mileage ...... 16 7.3.3. Optional Features and Functions ...... 16 7.4. Rate Regulations...... 18 7.4.1. Types of Rates and Charges ...... 18 7.4.1.A. Monthly Rates ...... 18 7.4.1.B. Nonrecurring Charges (NRCs) ...... 18 7.4.1.B.1. Installation of Service...... 18 7.4.1.B.2. Installation of Optional Features and Functions ...... 18 7.4.1.B.3. Service Rearrangements ...... 18 7.4.1.B.4. Other Service Rearrangements ...... 19 7.4.1.B.5. Other Service Rearrangements ...... 19 7.4.1.B.6. Moves ...... 19 7.4.1.B.6.a. Moves Within The Same Building ...... 19 7.4.1.B.6.b. Moves To A Different Building ...... 20 7.5. Application of Rates and Charges ...... 21 7.5.1. Channel Termination ...... 21 7.5.2. Channel Mileage ...... 21 7.5.3. Optional Features and Functions ...... 22 7.5.3.A. Transfer Arrangement ...... 22 7.5.3.B. Loop Transfer Arrangement ...... 22 7.5.4. Shared Use ...... 23 7.5.5. WATS Access Line (WAL) Service ...... 24 7.5.6. Extension Service for WATS Access Line (WAL) Service ...... 24 7.6. Service Discount Plan ...... 25 7.6.1. General ...... 25 7.6.2. High Capacity 1.544 Mbps Service...... 25 7.6.3. DDSII ...... 26

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7. Special Access Service 7.6.4. Network Reconfiguration Service...... 26 7.6.5. Termination Liability ...... 26 7.6.6. Addition of Service ...... 28 7.6.7. Extension of the Service Discount Plan ...... 28

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8. Billing and Collection ...... 1 8.1. General ...... 1 8.1.1. Work Hours ...... 1 8.1.1.A.1. Basic Time ...... 1 8.1.1.A.2. Premium Time ...... 1 8.2. Recording Service ...... 2 8.2.1. Description ...... 2 8.2.1.A.1. IC Message ...... 2 8.2.1.C.1. Recording ...... 2 8.2.1.C.2. Assembly and Editing ...... 2 8.2.1.C.3. Provision of IC Message Detail ...... 2 8.2.2. Responsibility of The Telephone Company ...... 2 8.2.3. Liability of the Telephone Company ...... 4 8.2.4. Responsibility of the IC ...... 4 8.2.5. Audit Provisions ...... 5 8.2.6. Minimum Period and Minimum Monthly Charge ...... 5 8.2.7. Cancellation of a Special Order ...... 5 8.2.8. Changes to Special Orders ...... 6 8.2.9. Application of Rates and Charges ...... 6 8.3. Purchase of Accounts Receivable–Billing Service ...... 7 8.3.1. General ...... 7 8.3.2. Total Current Amount Billed ...... 7 8.3.3. End User Adjustments ...... 7 8.3.4. Telephone Company and IC Adjustments ...... 8 8.3.5. Uncollectible Adjustment ...... 8 8.3.6. Payments of Net Purchase Amount to the IC ...... 9 8.3.6.B. Payment Remittance ...... 9 8.3.6.C. Late Payment Penalty ...... 10 8.3.7. Netting of IC Access Service Charges and Net Purchase Amounts ...... 11 8.4. Billing Service ...... 12 8.4.1. General ...... 12 8.5. Message Billing Service...... 13 8.5.1. Ordering ...... 13 8.5.1.B. Minimum Period ...... 13 8.5.1.C. Minimum Order Capacities and Minimum Yearly Charges ...... 13 8.5.1.D. Changes to Special Orders ...... 13 8.5.1.E. Cancellation of a Special Order ...... 13 8.5.2. Message Processing Service ...... 14 8.5.2.A.1. Initial Data Entry ...... 14 8.5.2.A.2. Rating of IC Messages ...... 14 8.5.3. Bill Processing Service ...... 14 8.5.3.A.1. Message Billed Service ...... 14 8.5.3.A.2. Bulk Billed Service ...... 14 8.5.3.A.3. Message Billed and Bulk Billed Account Establishment ...... 15 8.5.3.A.4. Posting of Rated Messages and Rate Element ...... 15 8.5.3.A.5. Rendering of Bills ...... 15 8.5.3.A.6. Collection of Deposits ...... 15 8.5.3.A.7. Receiving Payments and Maintenance of Accounts ...... 15 8.5.3.A.8. Treatment of Accounts ...... 15 8.5.3.A.9. Message Investigation and Inquiry ...... 15 8.5.4. Responsibility of the Telephone Company–Message Processing Service ...... 16

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8. Bill and Collection 8.5.5. Responsibility of the Telephone Company–Bill Processing Service ...... 19 8.5.6. Liability of the Telephone Company ...... 22 8.5.7. Responsibility of the IC ...... 23 8.5.7.H. Bill Processing Service ...... 25 8.5.7.I. Message Processing Service...... 26 8.5.8. Audit Provision ...... 26 8.5.9. Minimum Order Capacities and Minimum Yearly Charges ...... 26 8.5.9.A. Message Processing Service...... 27 8.5.9.B. Bill Processing Service ...... 27 8.5.9.B.4. Inquiry ...... 28 8.5.10. Application of Rates and Charges ...... 28 8.5.10.B. Message Processing Service...... 29 8.5.10.C. Bill Processing Service ...... 30 8.6. Private Line Billing Service ...... 33 8.6.1. Description ...... 33 8.6.1.B. Editing and Rating ...... 33 8.6.1.C. Account Establishment ...... 33 8.6.1.D. Rendering of Bills ...... 33 8.6.1.E. Receiving Payment and Maintenance of Accounts ...... 33 8.6.1.F. Treatment of All Accounts ...... 33 8.6.1.G. Inquiry ...... 33 8.6.2. Responsibility of the Telephone Company ...... 33 8.6.3. Liability of the Telephone Company ...... 36 8.6.4. Responsibility of the IC ...... 37 8.6.5. Audit Provision ...... 39 8.6.6. Minimum Period ...... 39 8.6.7. Minimum Monthly Charges ...... 40 8.6.8. Cancellation of a Special Order ...... 40 8.6.9. Changes to Special Orders ...... 40 8.6.10. Application of Rates and Charges ...... 41 8.6.10.B.1. The End User Account Activity Special Order ...... 41 8.6.10.B.2. The End User Account Rate Element Rate Level Change ...... 41 8.6.10.B.3. The End User Account Establishment and Change ...... 41 8.6.10.B.4. The End User Account Rate Element Rate Structure Change ...... 41 8.6.10.C. The Bill Rendering ...... 41 8.6.10.D. Program Development ...... 41 8.7. Mechanized Bill Message Service ...... 42 8.7.1. Description ...... 42 8.7.2. Review Process ...... 42 8.7.3. Message Criteria ...... 43 8.7.4. Liability of the Telephone Company ...... 44 8.8. Manual Bill Message Service ...... 45 8.8.1. Description ...... 45 8.8.2. Review Process ...... 45 8.8.3. Message Criteria ...... 46 8.8.4. Liability of the Telephone Company ...... 47 8.9. Invoice Billing Service ...... 48 8.9.1. Responsibility of the IC ...... 48 8.9.2. Responsibility of the Telephone Company ...... 48 8.9.3. Uncollectible Bad Debt Allowance ...... 49 8.9.4. Payment of Amount Due ...... 49

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8. Billing and Collection 8.9.5. Inquiry Process ...... 49 8.9.6. Audit Provisions ...... 49 8.9.7. Application of Rates and Charges ...... 50 8.10. Billing Analysis Service ...... 51 8.10.1. Description ...... 51 8.10.1.B. Detection ...... 51 8.10.1.C. Investigation ...... 51 8.10.1.D. Deterrence ...... 51 8.10.2. Responsibility of the Telephone Company ...... 51 8.10.2.A. Detection Service ...... 51 8.10.2.B. Investigative Service ...... 52 8.10.2.B.1. Provision of an Identification Report ...... 52 8.10.2.B.2. Collection of Evidence ...... 53 8.10.2.B.3. Provision of a Detection and Documentation Scan ...... 53 8.10.2.B.4. Preparation of an Affidavit and Prosecutive Summary ...... 53 8.10.2.B.5. Preservation of Evidence ...... 53 8.10.2.B.6. Assistance to Law Enforcement ...... 53 8.10.2.B.7. Provision of Expert Witness Analysis ...... 53 8.10.2.B.8. Provision of Expert Witness Testimony ...... 54 8.10.2.B.9. Coordination of Billing Evasion Investigative Services ...... 54 8.10.2.B.10. Coordination of Billing Evasion Investigative Activities ...... 54 8.10.2.B.11. Review of IC Billing Evasion Deterrence Control ...... 54 8.10.2.C. Deterrence Services ...... 54 8.10.2.C.1. Contacting and Interviewing of Parties ...... 54 8.10.2.C.2. Recovery of Devices or Materials ...... 54 8.10.2.C.3. Service Review ...... 55 8.10.2.C.4. Publicity Assistance ...... 55 8.10.3. Liability of the Telephone Company ...... 55 8.10.4. Responsibility of the IC ...... 55 8.10.5. Minimum Periods ...... 56 8.10.6. Cancellation of a Special Order ...... 57 8.10.7. Changes to Special Orders ...... 57 8.10.8. Application of Rates and Charges ...... 57 8.11. Billing Information Service ...... 59 8.11.1. Description ...... 59 8.11.2. Responsibility of the Telephone Company ...... 59 8.11.2.A.1. Message Detail for a Message End User ...... 59 8.11.2.A.2. Account Detail for a Message End User ...... 59 8.11.2.A.3. Service and Equipment Detail for Message End User ...... 59 8.11.2.B.1. Account Detail for a Private Line End User ...... 59 8.11.2.B.2. Service and Equipment Detail for a Private Line End User ...... 60 8.11.3. Liability of the Telephone Company ...... 63 8.11.4. Responsibility of the IC ...... 63 8.11.5. Minimum Periods ...... 64 8.11.6. Minimum Monthly Charges ...... 65 8.11.7. Cancellation of a Special Order ...... 65 8.11.8. Changes to Special Orders ...... 65 8.11.9. Application of Rates and Charges ...... 66 8.12. Agreement for Intrastate Interexchange Carriers ...... 67 8.12.1. Payment Arrangement and Audit Provision ...... 67 8.12.2. Liability of the Telephone Company ...... 67

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8. Billing and Collection 8.12.3. Purchase of Accounts Receivable ...... 68 8.12.4. Uncollectible Adjustments ...... 68 8.12.5. Responsibility of the Telephone Company ...... 68 8.12.6. Payment of Net Purchase Amount to the IC ...... 68 8.12.7. Total Current Amount Billed ...... 69

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9. Directory Assistance Service (DA) ...... 1 9.1. General ...... 1 9.1.1. Description ...... 1 9.1.2. Manner of Provision ...... 1 9.1.2.G. Special Facilities Routing ...... 2 9.1.2.H. Design Layout Report ...... 2 9.1.2.I. Transmission Specifications ...... 2 9.1.2.J. Testing ...... 2 9.1.3. Minimum Periods ...... 2 9.1.4. Cancellation of a Special Order ...... 3 9.1.5. Changes to Special Orders ...... 3 9.1.6. Moves ...... 3 9.2. Functional Components of DA Service ...... 4 9.2.1. Directory Transport ...... 4 9.2.1.B.1. Dedicated Trunk Groups ...... 4 9.2.1.B.2. Combined Trunk Groups ...... 4 9.2.2. Interface Groups and Premises Interface Codes ...... 6 9.3. Responsibility of The Telephone Company ...... 7 9.3.1. Scope ...... 7 9.4. Obligations of the Customer ...... 8 9.4.1. Service Requirements ...... 8 9.4.2. End User Billing ...... 8 9.5. Rate Regulations...... 9 9.5.1. Rate Categories ...... 9 9.5.1.A. The Directory Assistance Service Call ...... 9 9.5.1.B. The Directory Transport ...... 9 9.5.2. Application of Rates and Charges ...... 9 9.5.3. Mileage Measurement ...... 10 9.5.4. Credit Allowance for DA Service ...... 10

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10. Special Federal Government Access Services ...... 1 10.1. General ...... 1 10.1.1. Description ...... 1 10.1.2. Emergency Conditions ...... 1 10.1.3. Provision of Service ...... 2 10.2. Service Descriptions ...... 3 10.2.1. Voice Grade Special Access Services–Secure Communications Type I ...... 3 10.2.2. Voice Grade Special Access Services–Secure Communications Type II ...... 3 10.2.3. Voice Grade Special Access Services–Secure Communications Type III ...... 4 10.2.4. Voice Grade Special Access Services–Secure Communications Type IV ...... 4 10.2.5. Wideband Digital Special Access Service–Secure Communications Type I ...... 4 10.2.6. Wideband Digital Special Access Service–Secure Communications Type II ...... 4 10.2.7. Wideband Digital Special Access Service–Secure Communications Type III ...... 4 10.3. Application of Rates and Charges ...... 5 10.3.1. Mileage Application ...... 5 10.3.2. Moves ...... 5

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11. Special Facilities Routing of Access Services ...... 1 11.1. General ...... 1 11.1.1. Description ...... 1 11.1.1.A.1. Diversity ...... 1 11.1.1.A.2. Avoidance ...... 1 11.1.1.A.3. Cable-Only Facilities ...... 1 11.1.2. Manner of Provision ...... 1

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12. Specialized Service or Arrangements ...... 1 12.1. General ...... 1 12.1.1. Availability ...... 1 12.2. Application of Rates and Charges ...... 2 12.2.1. Moves ...... 2

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13. Additional Engineering, Labor and Miscellaneous Services ...... 1 13.1. Additional Engineering ...... 1 13.1.1. Regulations ...... 1 13.2. Additional Labor ...... 2 13.2.1. Regulations ...... 2 13.2.1.B.1. Stand-By ...... 2 13.2.1.B.2. Other Labor ...... 2 13.2.1.B.3. Testing and Maintenance with Other Telephone Companies ...... 2 13.2.1.C.1. Basic Time ...... 2 13.2.1.C.2. Overtime ...... 2 13.2.1.C.3. Premium Time ...... 2 13.2.1.D. Minimum Charges ...... 2 13.3. Miscellaneous Services ...... 3 13.3.1. Maintenance of Service ...... 3 13.3.1.B.1. Basic Time ...... 3 13.3.1.B.2. Overtime ...... 3 13.3.1.B.3. Premium Time ...... 3 13.3.1.C. Minimum Charges ...... 3 13.3.2. Standard Jacks ...... 3 13.3.3. Testing ...... 4 13.3.3.D. Testing Services for Switched Access...... 4 13.3.3.D.1. Scheduled ...... 4 13.3.3.D.2. Nonscheduled ...... 4 13.3.3.D.3. Additional Cooperative Acceptance Testing ...... 4 13.3.3.D.4. Automatic Scheduled Testing ...... 5 13.3.3.D.5. Cooperative Scheduled Testing ...... 5 13.3.3.D.6. Manual Scheduled Testing ...... 6 13.3.3.D.7. Nonscheduled Testing ...... 6 13.3.3.E. For Special Access Services ...... 7 13.3.3.E.1. Additional Cooperative Acceptance Testing ...... 7 13.3.3.E.2. Nonscheduled Testing ...... 7 13.3.3.F. Minimum Charges ...... 7 13.3.4. Provision of Access Service Billing Information ...... 7 13.3.5. Controller Arrangement ...... 8 13.3.6. Wiring/Line Investigation ...... 8 13.4. Responsibility of the Customer...... 9 13.4.1. Testing Service ...... 9 13.5. Application of Rates and Charges ...... 10 13.5.1. General ...... 10 13.6. 1+ Coin Rating Service ...... 11 13.6.1. General ...... 11 13.6.2. Description ...... 11 13.6.2. Application of Rates and Charges ...... 12

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14. Reserved for Future Use 1 (T) 14.1. 1 (D) 14.1.1. 1 14.2. 2 14.2.1. 2 14.2.1.D. 2 14.2.2. 2 14.3. 4 14.3.1. 4 14.3.2. 4 14.4. 5 14.4.1. 5 14.4.2. 5 14.5. 6 14.5.1. 6 14.5.2. 6 14.5.3. 6 14.5.4. 6 (D)

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15. Local Access and Transport Areas (LATAs) ...... 1 15.1. General ...... 1 15.1.1. Maps ...... 1 15.1.2. Exchanges and Localities ...... 1 15.1.3. Eastern LATA Locality ...... 1 15.1.4. Western LATA Locality ...... 2

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16. Collocation ...... 1 16.1. General ...... 1 16.1.1. General ...... 1 16.1.2. Description ...... 1 16.2. Responsibility of the Telephone Company ...... 2 16.2.1. Accommodations ...... 2 16.2.2. Safety and Technical Standards ...... 2 16.3. Responsibility of the Customer...... 4 16.3.1. Requesting Collocation ...... 4 16.3.2. Moves ...... 4 16.3.3. Safety and Technical Standards ...... 4 16.3.4. Placement and Removal of Facilities and Equipment ...... 5 16.4. Serving Wire Centers ...... 6 16.4.1. Eastern LATA ...... 6 16.4.2. Western LATA ...... 7 16.5. Application of Rates and Charges ...... 9 16.5.1. Space and Facilities ...... 9 16.5.2. Other Services ...... 9

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17. Packet Switching Service ...... 1 17.1. Description ...... 1 17.1.1. General ...... 1 17.1.2. Network Access ...... 1 17.1.2.A. Infopath...... 1 17.1.2.B. Frame Relay ...... 1 17.1.3. Network Address...... 2 17.1.4. Service Configuration ...... 2 17.1.4.A. Switched Virtual Circuit ...... 2 17.1.4.B. Permanent Virtual Circuit ...... 2 17.1.5. Provision of Service ...... 2 17.1.6. Minimum Periods ...... 2 17.1.7. Modification and/or Cancellation of Service ...... 2 17.1.8. Service Interruptions ...... 3 17.2. INFOPATH® Packet Switching Service ...... 4 17.2.1. General ...... 4 17.2.2. Synchronous Service ...... 4 17.2.2.B. Port Connections ...... 4 17.2.2.B.1. Access Concentrator Port Connection Synchronous (Low to Medium Throughput) ...... 4 17.2.2.B.2. Packet Switch Port Connection Synchronous (High Throughput) ...... 5 17.2.2.C. Network Usage ...... 5 17.2.2.C.1. Call Set-Up ...... 5 17.2.2.C.2. Packet Transport ...... 5 17.2.2.D. Optional Features ...... 5 17.2.2.D.1. Additional Logical Channel...... 5 17.2.2.D.2. Closed User Group ...... 5 17.2.2.D.3. Call Detail ...... 5 17.2.2.D.4. Fast Select Request ...... 6 17.2.2.D.5. Multiple Network Address ...... 6 17.2.2.D.6. Permanent Virtual Circuit ...... 6 17.2.2.D.7. Abbreviated Addressing ...... 6 17.2.2.D.8. Call Redirection...... 6 17.2.3. Asynchronous Service ...... 6 17.2.3.C. Port Connections ...... 6 17.2.3.C.1. Public Dial-In Access ...... 6 17.2.3.C.2. Private Dial-In Access ...... 7 17.2.3.C.3. Private Dial-Out Access ...... 7 17.2.3.C.4. Dedicated Access Port Connection ...... 7 17.2.3.D. Network Usage ...... 7 17.2.3.E. Optional Features ...... 7 17.2.3.E.1. Network User Identifier (NUI) Code ...... 7 17.2.3.E.2. Autoconnect ...... 7 17.2.3.E.3. Closed User Group ...... 7 17.2.3.E.4. Call Detail ...... 8 17.2.3.E.5. Fast Select Request ...... 8 17.2.3.E.6. Permanent Virtual Circuit ...... 8 17.2.3.E.7. Call Redirection...... 8 17.2.4. Application of Rates and Charges ...... 8

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17. Packet Switching Service 17.2.4.A. Synchronous ...... 8 17.2.4.B. Asynchronous ...... 8 17.3. Frame Relay Service (FRS) ...... 10 17.3.1. Description ...... 10 17.3.1.B. Service Components ...... 10 17.3.1.B.1. Port Connections ...... 10 17.3.1.B.1.a. Access Concentrator Port Connections ...... 10 17.3.1.B.1.b. Packet Switch Port Connections ...... 10 17.3.1.B.2. Optional Features and Functions ...... 10 17.3.1.B.2.a. Additional Logical Channels...... 10 17.3.2. Application of Rates and Charges ...... 11 17.4. Reserved for Future Use ...... 12 (T) 17.4.1. Reserved for Future Use ...... 12 17.4.2. Reserved for Future Use ...... 12 17.4.3. Reserved for Future Use ...... 13 (T) 17.5. Frame Relay Service Discount Plan ...... 14 17.5.1. Description ...... 14 17.5.2. Termination Liability ...... 15 17.5.3. Addition of Service ...... 15 17.5.4. Extension of the Service Discount Plan ...... 16

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18. Reserved for Future Use ...... 1

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19. Network Reconfiguration Service (NRS) ...... 1 19.1. General ...... 1 19.1.1. Description ...... 1 19.1.1.D. Optional Features ...... 1 19.1.1.D.1. Automatic Reconfiguration ...... 1 19.1.1-1 Exhibit-1.544 Mbps High Capacity Special Access Service with Four Customer Designated Premises Utilizing NRS ...... 2 19.2. Responsibility of the Telephone Company ...... 3 19.2.1. Technical Specifications ...... 3 19.2.2. Limitations ...... 3 19.3. Responsibility of the Customer...... 4 19.3.1. Technical Specifications ...... 4 19.4. Application of Rates and Charges ...... 5 19.4.1. Description ...... 5 19.4.1.A. Network Controller Access ...... 5 19.4.1.A.1. Dial-Up Termination ...... 5 19.4.1.A.2. Voice Grade Termination ...... 5 19.4.1.A.3. DDSII Access Termination ...... 5 19.4.1.A.4. DOVPATH Access Termination ...... 5 19.4.1.A.5. Attendant Termination ...... 5 19.4.1.B. Network Access Ports ...... 5 19.4.1.C. Optional Features ...... 5 19.4.1.C.1. Automatic Reconfiguration ...... 5 19.4.1.D. Other Services ...... 5

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21. Services Affected by Network Transformation (T) Serving Wire Center Information ...... 1 (T) 21.1. General ...... 1 (N) 21.1.1. Description ...... 1 (N) 21.1.1.C. Serving Wire Center Information ...... 1 (N)

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30. Rates and Charges ...... 1 30.1. Tariff Information ...... 1 30.2. General Regulations ...... 2 30.3. Ordering of Service ...... 3 30.3.1. Access Order Modification ...... 3 30.4. Issuance, Payment and Crediting of Customer Bills ...... 4 30.5. Reserved for Future Use ...... 5 (T) 30.5.1. Reserved for Future Use ...... 5 (T) 30.6. Switched Access ...... 6 30.6.1. Entrance Facility ...... 6 30.6.2. Direct Trunked Transport...... 8 30.6.3. Tandem Switched Transport–Local Transport Termination ...... 9 30.6.4. Tandem Switched Transport–Local Transport Facility ...... 9 30.6.5. Tandem Switched Transport–Tandem Switching ...... 9 30.6.6. Reserved for Future Use ...... 10 (T) 30.6.7. Host/Remote Switched Transport ...... 10 30.6.8. Local Transport–Other ...... 10.1 30.6.9. Local Switching ...... 11 30.6.10. Feature Group 2A (FG2A) and Feature Group 3A (FG3A) ...... 12 30.6.11. 800 Data Base Access Service...... 13 30.6.12. 900 Access Service ...... 13 30.6.13. Other ...... 13 30.6.14. Shared Billing Arrangement ...... 14 (T) 30.7. Special Access ...... 15 30.7.1. Reserved for Future Use ...... 15 30.7.2. Reserved for Future Use ...... 16 30.7.3. Voice Grade Service ...... 17 30.7.4. Digipath Digital Service II (DDSII) ...... 20 30.7.5. Fractional T-1 ...... 24 30.7.6. Digital Data Service ...... 26 30.7.7. High Capacity Service–1.544 Mbps ...... 28 30.7.8. WATS ...... 31 30.8. Billing and Collection Services ...... 33 30.8.1. Recording Service ...... 33 30.8.2. Message Billing Service ...... 33 30.8.3. Private Line Billing Service ...... 36 30.8.4. Mechanized Bill Message Service ...... 36 30.8.5. Manual Bill Message...... 37 30.8.6. Invoice Billing Service ...... 37 30.8.7. Billing Analysis Service ...... 37 30.8.8. Billing Information Service ...... 38 30.9. Directory Assistance Service ...... 41 30.9.1. Directory Assistance Service...... 41 30.10. Special Federal Government Access Service ...... 42 30.10.1. Voice Grade–Secure ...... 42 30.10.2. Wideband-Secure ...... 42 30.11. Special Facilities Routing of Access Services ...... 43 30.11.1. Special Facilities Routing ...... 43 30.12. Specialized Service or Arrangements ...... 44 30.13. Additional Engineering, Labor and Miscellaneous Services ...... 45 30.13.1. Additional Engineering ...... 45 30.13.2. Additional Labor ...... 45 30.13.3. Miscellaneous Services ...... 47

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30 Rates and Charges 30.13.4. Standard Jacks ...... 55 30.13.5 1+ Coin Rating Service ...... 55 30.14. Reserved for Future Use ...... 56 (T) 30.14.1. Reserved for Future Use ...... 56 30.14.2. Reserved For Future Use ...... 56 30.14.3. Reserved for Future Use ...... 56 (T) 30.15. Local Access and Transport Areas ...... 57 30.16. Collocation ...... 58 30.16.1. Nonrecurring Charges ...... 58 30.16.2. Annual Rates ...... 58 30.16.3. Reserved for Future Use ...... 58 (T) 30.17. Packet Switching Service ...... 60 30.17.1. Infopath–Synchronous...... 60 30.17.2. Infopath Packet Switching Service–Asynchronous ...... 62 30.17.3. Reserved for Future Use ...... 64 (T) 30.17.4. Reserved for Future Use ...... 64 (T) 30.18. Reserved for Future Use ...... 66 30.19. Network Reconfiguration Service ...... 67 30.19.1. Network Controller Access ...... 67 30.19.2. Network Access Ports ...... 67 30.19.3. Optional Features ...... 67 30.20. Reserved for Future Use ...... 68 30.21. Reserved for Future Use ...... 69 30.22. Reserved for Future Use ...... 70 30.23. Reserved for Future Use ...... 71 30.24. Reserved for Future Use ...... 72 30.25. Reserved for Future Use ...... 73 30.26. Reserved for Future Use ...... 74 30.27. Reserved for Future Use ...... 75 30.28. Reserved for Future Use ...... 76 30.29. Reserved for Future Use ...... 77

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31. Rates and Charges–Individual Case Basis (ICB) Customer Filings ...... 1 31.1. AT&T-C ...... 1 31.1.1. End User Account Activity ...... 1 31.1.2. Retention of Records ...... 1 31.1.3. Data Transmission ...... 1

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