Cisco TelePresence Administrator's Manual page 5

Grey Headline (continued)
What's in this manual?
ENUM dialing for outgoing calls ..................................... 111
Prerequisites .......................................................... 111
Process .................................................................. 111
ENUM dialing for outgoing calls ..................................... 112
Adding and configuring ENUM zones ........................ 112
Configuring matches for ENUM zones ....................... 112
Configuring transforms for ENUM zones ................... 112
Configuring DNS servers ......................................... 112
ENUM dialing for incoming calls ..................................... 113
Prerequisites .......................................................... 113
About DNS domains for ENUM ................................. 113
Configuring DNS NAPTR records .............................. 113
Call configuration ................................................................ 114
Call routed mode .......................................................... 114
Call loop detection mode .............................................. 114
Call IDs, Serial Numbers and Tags ....................................... 115
Identifying calls ............................................................ 115
Disconnecting calls ............................................................. 116
Limitations when disconnecting SIP calls ....................... 116
Bandwidth control
Bandwidth control overview ................................................. 118
Bandwidth control on the VCS ....................................... 118
Example network deployment ........................................ 118
Subzones ........................................................................... 119
About subzones ............................................................ 119
Subzone registration policy ...................................... 119
About the Traversal Subzone ......................................... 119
Traversal calls ........................................................ 119
About the Default Subzone ............................................ 119
Default links between subzones .................................... 119
Configuring subzones and membership rules .................. 120
Applying bandwidth limitations to subzones ................... 121
Bandwidth consumption of traversal calls ................ 121
Overview and System
Introduction
status configuration
D14049.08
November 2010
Links .................................................................................. 122
Creating and editing links .............................................. 122
Default links ................................................................. 122
Pipes ................................................................................. 123
Creating and editing pipes ............................................. 123
Applying pipes to links .................................................. 124
Default bandwidth and downspeeding .................................. 125
Bandwidth control examples ............................................... 126
Example without a firewall ............................................. 126
Example with a firewall .................................................. 127
Cisco VCS Expressway subzone configuration ........... 127
Cisco VCS Control subzone configuration ................. 127
Firewall traversal
Firewall traversal overview ................................................... 129
About Expressway™ ...................................................... 129
Cisco VCS as a firewall traversal client ........................... 129
Cisco VCS as a firewall traversal server ......................... 129
Quick guide to traversal client - server configuration ............. 130
Firewall traversal protocols and ports .................................. 131
Expressway process ..................................................... 131
H.323 firewall traversal protocols .................................. 131
SIP firewall traversal protocols....................................... 131
Ports for initial connections from traversal clients .......... 132
Assent ports................................................................. 132
SIP ports ...................................................................... 132
H.460.18/19 ports ....................................................... 132
TURN ports ................................................................... 132
Ports for connections out to the public internet .............. 132
Firewall traversal and authentication ................................... 133
Authentication and NTP ................................................. 133
Other issues ....................................................................... 134
Firewall traversal and Dual Network Interfaces ............... 134
Firewall configuration .................................................... 134
Cisco VCS Zones and Clustering and
configuration neighbors peers
Configuring the Cisco VCS as a traversal client ..................... 135
Configuring the Cisco VCS as a traversal server ................... 136
Configuring the Cisco VCS as a TURN server ........................ 138
Applications
Conference Factory ............................................................. 140
Presence .............................................................................141
OCS Relay .......................................................................... 145
FindMe™ ............................................................................ 146
Call Bandwidth Firewall
processing control traversal
5
CISCO TELEPRESENCE VIDEO COMMUNICATION SERVER
ADMINISTRATOR GUIDE
Adding and configuring a traversal server zone ............... 136
Configuring traversal for endpoints ................................ 136
Configuring traversal server ports .................................. 137
TURN services .............................................................. 138
About ICE ............................................................... 138
About TURN ............................................................ 138
TURN relay server ................................................... 138
Capabilities and limitations ..................................... 138
Configuring TURN services ...................................... 138
Configuration ................................................................ 140
Presence Server ............................................................141
Presence User Agent (PUA) ............................................ 142
Aggregation of presence information ....................... 142
FindMe presence .............................................. 142
Registration refresh period ...................................... 142
Configuring Presence .................................................... 143
Enabling and disabling Presence Services ................ 143
Presence Server expiration times ............................ 143
Viewing presence status ............................................... 144
Publishers .............................................................. 144
Presentities ........................................................... 144
Subscribers ............................................................ 144
Configuring OCS Relay ................................................... 145
Viewing OCS Relay status .............................................. 145
Overview ...................................................................... 146
Applications Maintenance Appendices