Cisco Unified Communications Manager System Guide, Release 9.1(1) First Published: December 20, 2012 Last Modified: September 08, 2015 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883 Text Part Number: OL-27946-01 THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS. THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. 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CONTENTS Preface Preface xxvii Purpose xxvii Audience xxviii Organization xxviii Related Documentation xxix Conventions xxix Additional Information xxxi Security Overview xxxi PART I Cisco Unified Communications Manager Overview 1 CHAPTER 1 Introduction 3 Cisco Unified Communications Manager as an Appliance 3 Benefits 4 CHAPTER 2 Cisco Unified Communications Overview 5 Internet Ecosystem 5 Cisco Unified Communications Support 6 Applications 6 Call Processing 7 Infrastructure 7 Clients 7 Cisco Unified Communications Network 8 PART II Cisco Unified Communications Manager System Configuration 9 CHAPTER 3 System Configuration Overview 11 Cisco Unified Communications Manager System Guide, Release 9.1(1) OL-27946-01 iii Contents Configure System 11 CHAPTER 4 Roles and User Groups 15 Overview 15 Roles 16 User Groups 25 Access Log 26 Enterprise Parameters 26 Create a Custom Help Desk Role and User Group 26 CHAPTER 5 System-Level Configuration Settings 29 System Configuration 29 Server Configuration 30 Hostname Configuration 31 Cisco Unified Communications Manager Configuration 33 Cisco Unified Communications Manager Groups 33 NTP Reference Configuration 34 Date/Time Groups 35 Locations and Regions 36 Regions 37 Add Region 43 Device Pools 44 Update Device Pools 46 Common Device Configuration 47 LDAP 47 Call Admission Control 47 Survivable Remote Site Telephony References 48 MLPP Domain 49 Enterprise Parameters 50 Service Parameters 50 Dependency Records 50 CHAPTER 6 Clustering 53 Configure Cluster 53 Clusters 54 Cisco Unified Communications Manager System Guide, Release 9.1(1) iv OL-27946-01 Contents Database Replication in a Cluster 54 Intercluster Communication 55 Balanced Call Processing 56 CHAPTER 7 Redundancy 59 Cisco Unified Communications Manager Redundancy Groups 59 Cisco Unified Communications Manager Groups 59 Distributing Devices for Redundancy and Load Balancing 61 Media Resource Redundancy 62 CTI Redundancy 63 CHAPTER 8 Call Admission Control 65 Configure Locations 66 Configure Gatekeeper and Gatekeeper-Controlled Trunk 67 Locations 68 Locations and Regions 70 Bandwidth Calculations 71 Location-Based MLPP 72 Location-Based Call Admission Control Over Intercluster Trunk 73 Configure Gatekeepers and Trunks 74 Components of Gatekeeper Call Admission Control 76 Configure Gatekeeper and Trunk on the Router 76 Configure Gatekeeper and Trunk in Cisco Unified Communications Manager 77 CHAPTER 9 Resource Reservation Protocol 79 Configure RSVP 80 RSVP Overview 80 Advantages of RSVP 81 RSVP Capabilities 81 RSVP-Based MLPP 82 Additional Features 83 RSVP Caveats 83 RSVP Agent and Quality of Service 83 RSVP Agent Allocation 84 RSVP Agent Interaction with Location-Based CAC 84 Cisco Unified Communications Manager System Guide, Release 9.1(1) OL-27946-01 v Contents RSVP Configuration 85 Configure Clusterwide Default RSVP Policy 85 Configure Location-Pair RSVP Policy 85 Configure RSVP Retry 86 Configure Midcall RSVP Error Handling 87 Configure MLPP-to-RSVP Priority Mapping 87 TSpec 88 Audio TSpec 88 Video TSpec 89 DSCP 89 Application ID 90 RSVP for Media Devices 91 Use RSVP Between Clusters 91 Enable RSVP for a Call 92 Special Configuration with RSVP 92 Migrate to RSVP 93 RSVP Interactions 94 RSVP and IPv6 94 RSVP and Shared-Line Calls 95 RSVP and Music On Hold 96 RSVP and Call Transfer 97 RSVP and MLPP 98 Troubleshooting RSVP 100 Performance Monitoring Counters 100 Call Detail Records 100 Alarms 101 Trace Information 101 Troubleshooting End-to-End RSVP 102 CHAPTER 10 Cisco TFTP 105 Configure TFTP 106 TFTP Process Overview for Devices That Run SCCP 107 Configure TFTP for Cisco Unified IP Phones That Run SIP 107 Configuration Sequence for a Phone That Is Running SIP 108 Dial Plan Configuration Sequence for a Phone That Is Running SIP 109 Cisco Unified Communications Manager System Guide, Release 9.1(1) vi OL-27946-01 Contents Softkey Template Configuration Sequence for a Phone That Is Running SIP 109 Interaction with Cisco Extension Mobility 110 Serviceability Counters 110 Devices That Use DHCP and Cisco TFTP 110 TFTP Server Access for Devices That Use IPv4 112 TFTP Server Access for Devices That Use IPv6 112 Identify the TFTP Server for Devices 113 Configure a Redundant TFTP Server 115 Alternate Cisco File Servers 115 Centralized TFTP in a Multiple Cluster Environment 116 Master TFTP Server 116 Send Files to the Master TFTP Server 116 Centralized TFTP with Secure Clusters 117 Configure Centralized TFTP 117 Customize and Modify Configuration Files 118 CHAPTER 11 Device Support 119 Supported Devices 119 Device Configuration Files 120 Device Firmware Loads 120 Update Device Loads 121 Device Pools 121 Call Preservation 121 Call Preservation Scenarios 122 CHAPTER 12 Autoregistration 125 Configure Autoregistration 125 Autoregistration Overview 126 Autoregistration with Multiple Protocol Support 127 CHAPTER 13 Dynamic Host Configuration Protocol 129 DHCP Server 129 Domain Name System 130 Configure DHCP Server 131 TFTP Server Device Identification 131 Cisco Unified Communications Manager System Guide, Release 9.1(1) OL-27946-01 vii Contents Migration 131 Alarms 131 PART III Dial Plan Architecture 133 CHAPTER 14 Partitions and Calling Search Spaces 135 Partition and Call Search Spaces 135 Guidelines and Tips 137 Dependency Records 137 Partition Name Limitations 137 CHAPTER 15 Time-of-Day Routing 139 Time-of-Day Routing 139 Time Periods 139 Time Period Behavior 140 Time Schedules 140 End-Users and Time-of-Day Routing 141 Dependency Records 141 CHAPTER 16 Understanding Route Plans 143 Automated Alternate Routing 144 Automated Alternate Routing Enable Service Parameter 146 Automated Alternate Routing and Hunt Pilots 146 Automated Alternate Routing and Remote Gateways 146 Route Plan Overview 146 Route Groups and Route Lists 147 Route Patterns 148 RoutePattern Usage 149 Local Route Groups and Called Party Transformations 151 Line Groups 152 Hunt Lists 152 Hunt Pilots 152 Call Coverage 153 Hunting and Call Forwarding 153 Example of Call Hunting 153 Cisco Unified Communications Manager System Guide, Release 9.1(1) viii OL-27946-01 Contents Maximum Hunt Timer 154 finalCalledPartyNumber Field Service Parameter 154 Internal and External Calls 154 Personal Preferences 154 Log Out of Hunt Groups 154 Log Out of Hunt Groups Softkey 155 Hunt Group Logoff Notification Service Parameter 155 Non-Shared-Line Operation 156 Shared-Line Operation 156 Closest Match Routing 156 Use Wildcard Character in Route Patterns 156 Translation Patterns 157 Static Digit Analysis 158 Calling Party Normalization 160 Special Characters and Settings 160 Use the International Escape Character 161 Wildcards and Special Characters in Route Patterns and Hunt Pilots 166 Discard Digits Instructions 168