Cisco TelePresence

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Cisco VCS Administrator Guide (X8.1.1) Page 173 of 507

Dial plan and call processing

Call routing process

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Table of Contents2
Introduction11
About the Cisco Telepresence Video Communication Server (VCS)12
- VCS Base Applications13
- Standard Features13
- Optional Features14
- Installation and Initial Configuration16
About this Guide17
- Related Documentation17
- Training17
- Glossary17
- Accessibility Notice17
- Using the Web Interface18
- Using the Command Line Interface (CLI)19
- Web Page Features and Layout20
What's New in this Version22
- X8.1.122
- X8.122
Network and System Settings28
Network Settings29
- Configuring IP Settings29
- Lan Configuration30
- Configuring Ethernet Settings31
- Configuring DNS Settings32
- Configuring Quality of Service Settings33
Intrusion Protection34
- Configuring Firewall Rules34
- Current Active Firewall Rules36
- Configuring Automated Intrusion Protection36
- Additional Information39
Network Services40
- Configuring System Name and Access Settings40
- Configuring SNMP Settings43
- Configuring Time Settings45
- Configuring the Login Page47
Configuring External Manager Settings48
Configuring TMS Provisioning Extension Services49
Firewall Traversal52
About Firewall Traversal53
- The Expressway Solution53
- How Does It Work53
- Endpoint Traversal Technology Requirements54
- H.323 Firewall Traversal Protocols54
- SIP Firewall Traversal Protocols54
- Media Demultiplexing54
- Firewall Traversal Configuration Overview55
- Vcs as a Firewall Traversal Server56
Configuring a Traversal Client and Server57
Configuring Ports for Firewall Traversal58
- Configuring the Firewall58
- Configuring Traversal Server Ports58
- Configuring Ports for Connections from Traversal Clients59
Firewall Traversal and Authentication61
- Authentication and NTP61
Configuring Expressway and Traversal Endpoint Communications62
About ICE and TURN Services63
- About ICE63
- About TURN63
- Configuring TURN Services64
Unified Communications66
Mobile and Remote Access67
- Jabber Client Connectivity Without VPN68
Configuring Mobile and Remote Access on VCS69
- Setting up the VCS Control69
- Setting up the VCS Expressway72
- Setting up VCS Security Certificates72
- Setting up Secure VCS Traversal Zones74
- Checking the Status of Unified Communications Services75
- Additional Configuration75
Protocols77
About H.32378
- Using the VCS as an H.323 Gatekeeper78
- H.323 Endpoint Registration78
Configuring H.32379
About SIP81
- VCS as a SIP Registrar81
- VCS as a SIP Proxy Server82
- Proxying Registration Requests83
- VCS as a SIP Presence Server83
Configuring SIP84
- SIP Functionality and SIP-Specific Transport Modes and Ports84
- Certificate Revocation Checking Modes84
- Registration Controls85
- Authentication Controls87
Configuring Domains88
- Configuring the Supported Services for Unified Communications (VCS Control Only)88
- Configuring Delegated Credential Checking (VCS Expressway Only)88
Configuring SIP and H.323 Interworking90
Registration Control92
About Registrations93
- Finding a VCS with Which to Register93
- Registrations on a VCS Expressway93
- MCU, Gateway and Content Server Registration94
- Configuring Registration Restriction Policy94
- Registering Aliases94
About Allow and Deny Lists97
- Configuring the Registration Allow List97
- Configuring the Registration Deny List98
Configuring Registration Policy to Use an External Service99
Device Authentication101
About Device Authentication102
- Configuring VCS Authentication Policy103
- Controlling System Behavior for Authenticated and Non-Authenticated Devices104
- Authentication Policy Configuration Options105
- SIP Authentication Trust108
- Configuring Delegated Credential Checking (SIP Only)109
- Device Provisioning and Authentication Policy112
- Presence and Authentication Policy114
- Hierarchical Dial Plans and Authentication Policy115
- Practical Configuration of Authentication Policy116
- Configuring VCS Authentication Methods116
- Authentication Mechanism117
- Configuring Authentication to Use the Local Database119
- Using an H.350 Directory Service Lookup Via LDAP120
- Using Active Directory Database (Direct)123
- Configuring the Connection to Active Directory Service (ADS)124
Authenticating with External Systems129
Zones and Neighbors130
About Your Video Communications Network131
Structuring Your Dial Plan132
- Flat Dial Plan132
- Structured Dial Plan132
- Hierarchical Dial Plan132
About Zones134
Configuring Media Encryption Policy135
- Configuring the B2BUA for Media Encryption136
Configuring ICE Messaging Support137
About the Local Zone and Subzones138
The Default Zone139
- Configuring the Default Zone139
Configuring Default Zone Access Rules140
Configuring Zones141
- Configuring Neighbor Zones141
- Configuring Traversal Client Zones144
- Configuring Traversal Server Zones146
- Configuring ENUM Zones149
- Configuring DNS Zones150
- Zone Configuration: Advanced Settings151
- Zone Configuration: Pre-Configured Profile Settings154
- TLS Certificate Verification of Neighbor Systems155
- Configuring a Zone for Incoming Calls Only156
Clustering and Peers157
About Clusters158
License Usage Within a Cluster160
Managing Clusters and Peers162
- Setting up a Cluster162
- Maintaining a Cluster163
- Specifying Peer-Specific Items in Clustered Systems164
- Sharing Registrations Across Peers166
- Sharing Bandwidth Across Peers166
- Cluster Upgrades, Backup and Restore167
- Clustering and Presence167
- Clustering and Cisco TMS167
- About the Cluster Subzone168
- Neighboring the Local VCS to Another VCS Cluster169
Troubleshooting Cluster Replication Problems170
Dial Plan and Call Processing171
Call Routing Process172
Configuring Hop Counts174
Configuring Dial Plan Settings175
- About the Fallback Alias175
About Transforms and Search Rules176
- About Pre-Search Transforms176
- Configuring Pre-Search Transforms177
- Search and Zone Transform Process178
- Configuring Search Rules179
Example Searches and Transforms182
- Filter Queries to a Zone Without Transforming182
- Always Query a Zone with Original Alias (no Transforms)183
- Query a Zone for a Transformed Alias183
- Query a Zone for Original and Transformed Alias184
- Query a Zone for Two or more Transformed Aliases185
- Stripping @Domain for Dialing to H.323 Numbers186
- Transforms for Alphanumeric H.323 ID Dial Strings188
- Allowing Calls to IP Addresses Only if They Come from Known Zones190
Configuring Search Rules to Use an External Service191
About Call Policy194
- Configuring Call Policy194
- Configuring Call Policy Rules Using the Web Interface195
- Configuring Call Policy Using a CPL Script195
- Configuring Call Policy to Use an External Service197
Supported Address Formats199
- Dialing by IP Address199
- Dialing by H.323 ID or E.164 Alias199
- Dialing by H.323 or SIP URI199
- Dialing by ENUM200
Dialing by IP Address201
About URI Dialing203
- URI Dialing Without DNS203
- URI Dialing Via DNS204
- URI Resolution Process Using DNS204
- URI Dialing Via DNS for Outgoing Calls205
- URI Dialing Via DNS for Incoming Calls207
- Configuring Sip Srv Records208
- URI Dialing and Firewall Traversal209
About ENUM Dialing211
- ENUM Dialing Process211
- Enabling ENUM Dialing211
- ENUM Dialing for Outgoing Calls212
- Configuring Zones and Search Rules for ENUM Dialing213
- ENUM Dialing for Incoming Calls215
Configuring DNS Servers for ENUM and URI Dialing217
Configuring Call Routing and Signaling218
Identifying Calls219
Disconnecting Calls220
Bandwidth Control221
About Bandwidth Control222
Configuring Bandwidth Controls223
- About Downspeeding223
About Subzones224
- About the Traversal Subzone224
- Configuring the Default Subzone225
- Configuring Subzones225
- Configuring Subzone Membership Rules226
- Applying Bandwidth Limitations to Subzones228
Links and Pipes230
- Configuring Links230
- Default Links230
- Configuring Pipes231
- Applying Pipes to Links232
Bandwidth Control Examples233
Applications235
Configuring Conference Factory236
Presence238
- Presence Server238
- Presence User Agent (PUA)239
- Configuring Presence240
B2BUA (Back-To-Back User Agent) Overview243
- Configuring B2BUA TURN Servers243
- Microsoft Lync B2BUA244
Findme251
- End-User Findme Account Configuration251
- How Are Devices Specified251
- Findme Process Overview252
- Recommendations When Deploying Findme252
- Configuring Findme252
Cisco TMS Provisioning255
- VCS Provisioning Server256
- Starter Pack Provisioning258
- Configuring Starter Pack Provisioning258
User Accounts259
About User Accounts260
- Account Authentication260
- Account Types260
Configuring Password Security262
Configuring Administrator Accounts263
- Viewing Active Administrator Sessions264
- Login History264
Configuring Remote Account Authentication Using LDAP265
- Checking the LDAP Server Connection Status267
- Configuring Administrator Groups268
- Configuring Findme Groups270
Configuring Findme Accounts271
- Configuring a Findme Account's Principal Devices273
- Active Findme Sessions273
Resetting Forgotten Passwords274
- Resetting Your Root or Admin Password Via a Serial Connection274
- Resetting Findme Account Passwords274
Using the Root Account275
- Changing the Root Account Password275
- Accessing the Root Account over SSH275
Maintenance276
Enabling Maintenance Mode277
About Upgrading Software Components278
- Upgrading VCS Software279
- Upgrading Using Secure Copy (SCP/PSCP)280
Configuring Logging281
- Event Log Levels281
- Remote Logging of Events281
Managing Option Keys283
About Security Certificates285
- Managing the Trusted CA Certificate List285
- Managing the Vcs's Server Certificate286
- Managing Certificate Revocation Lists (Crls)288
- Configuring Certificate-Based Authentication290
- Testing Client Certificates292
Advanced Security295
- Configuring Advanced Account Security Mode295
- Configuring FIPS140-2 Cryptographic Mode296
Configuring Language Settings299
- Changing the Language299
- Installing Language Packs299
- Removing Language Packs300
Backing up and Restoring VCS Data301
- When to Create a Backup301
- Content of the Backup File301
- Limitations301
- Creating a System Backup301
- Restoring a Previous Backup302
Diagnostics Tools303
- Configuring Diagnostic Logging303
- Creating a System Snapshot304
- Configuring Network Log Levels304
- Configuring Support Log Levels305
Incident Reporting306
- Incident Reporting Caution: Privacy-Protected Personal Data306
- Enabling Automatic Incident Reporting306
- Sending Incident Reports Manually307
- Viewing Incident Reports307
- Incident Report Details308
Checking the Effect of a Pattern309
Locating an Alias310
Port Usage311
- Local Inbound Ports311
- Local Outbound Ports311
- Remote Listening Ports312
Network Utilities313
- Ping313
- Traceroute313
- Tracepath314
- DNS Lookup314
Restarting, Rebooting and Shutting down317
Developer Resources319
- Debugging and System Administration Tools319
- Experimental Menu319
Overview and Status Information320
Status Overview321
System Information323
Ethernet Status324
IP Status325
Resource Usage326
Registration Status328
Call Status330
- Disconnecting Calls331
B2BUA Calls332
- Viewing B2BUA Call Media Details332
Search History333
Search Details334
Local Zone Status335
Zone Status336
Bandwidth337
- Link Status337
- Pipe Status337
Policy Server Status and Resiliency338
- Viewing Policy Server Status Via the VCS338
TURN Relays Status339
Unified Communications Status340
Presence341
- Presence Publishers341
- Presence Presentities341
- Presence Subscribers342
Lync B2BUA343
- Lync User Status343
- Lync B2BUA Status343
TMS Provisioning Extension Service Status344
- Provisioning Server Device Requests Status (Cisco TMSPE)344
- User Records Provided by Cisco TMSPE Services345
- Findme Records Provided by Cisco TMSPE Services346
- Phone Book Records Provided by Cisco TMSPE Services346
- Provisioned Devices347
- Checking Provisioned Data347
Starter Pack Provisioning Server Status348
Managing Alarms349
Logs350
- Event Log350
- Configuration Log351
- Network Log352
Hardware Status354
- VCS Unit Front Panel354
Reference Material355
Performance Capabilities356
About Event Log Levels357
- Event Log Format357
- Administrator and Findme User Events358
- Message Details Field358
- Events and Levels360
CPL Reference366
- CPL Address-Switch Node366
- Otherwise368
- Not-Present368
- Location368
- Rule-Switch369
- Proxy370
- Reject370
- Unsupported CPL Elements370
- CPL Examples371
LDAP Server Configuration for Device Authentication377
- Downloading the H.350 Schemas377
- Configuring a Microsoft Active Directory LDAP Server377
- Securing with Tls378
- Configuring an Openldap Server379
DNS Configuration Examples383
- Verifying the SRV Record383
- Microsoft DNS Server383
- Bind 8 & 9383
Changing the Default SSH Key385
Restoring Default Configuration (Factory Reset)386
- Prerequisite Files386
- Performing a Reset to Default Configuration386
- Resetting Via USB Stick386
Password Encryption388
Pattern Matching Variables389
Port Reference391
- Local VCS Inbound/Outbound Ports391
- Remote Listening Ports393
Unified Communications Port Reference395
Microsoft Lync B2BUA Port Reference397
Device Authentication Port Reference399
- H.350 Directory Service399
- Active Directory (Direct)399
Regular Expressions400
Supported Characters402
Call Types and Licensing403
- Call Types403
- What Are Traversal Calls403
Alarms405
Command Reference - Xconfiguration422
Command Reference - Xcommand469
Command Reference - Xstatus488
External Policy Overview490
- Using an External Policy Server490
- External Policy Request Parameters491
- Default CPL for Policy Services492
Flash Status Word Reference Table493
Supported Rfcs494
Software Version History496
- X7.2.1496
- X7.2496
- X7.1499
Related Documentation503
Legal Notices505
- Intellectual Property Rights505
- Copyright Notice505
- Patent Information506

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