Cisco Cisco Expressway Maintenance Manual
Jabber Guest licensing and call capacity
The Expressway licensing requirements for Jabber Guest sessions are as follows:
n
Each session typically uses 4 TURN server relays on the Expressway-E.
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2 rich media session licenses are required per Cisco Jabber Guest session:
l
1 rich media session license on the Expressway-E for each Cisco Jabber Guest session
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1 rich media session license on the Expressway-C for each Cisco Jabber Guest session
The maximum number of Jabber Guest sessions that can be supported through the Expressway depends on
the type of
the type of
, and whether they are deployed as a single Expressway-C and
Expressway-E pair, or as a pair of clusters.
Small / Medium
systems
Large
systems
systems
Single Expressway-C and Expressway-E pair
100
500
Pair of Expressway-C and Expressway-E clusters (4 or more peers per cluster
for maximum capacity)
for maximum capacity)
400
2000
Table 3: Jabber Guest session limits
Configuring Jabber Guest services on Expressway
This guide primarily describes the Expressway configuration requirements. For information about configuring
the Jabber Guest server and Jabber Guest client requirements, see:
the Jabber Guest server and Jabber Guest client requirements, see:
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Cisco Jabber Guest Server Installation and Configuration Guide
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Cisco Jabber Guest Administration and API Guide
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Cisco Jabber Guest Release Notes
Jabber Guest configuration summary
You must configure the Expressway with the domain that will support Jabber Guest services, associate that
domain with one or more Jabber Guest servers, and set up the call routing to the destination endpoint.
domain with one or more Jabber Guest servers, and set up the call routing to the destination endpoint.
In summary, the steps required to configure your Expressway system to support Jabber Guest are:
1. Install Expressway security certificates and set up a secure traversal zone for Unified Communications
between Expressway-C and Expressway-E.
2. Configure the Expressway-E:
a. Enable Jabber Guest services.
b. Enable TURN services.
c. Lower the MTU size from 1500 to 1400 bytes.
b. Enable TURN services.
c. Lower the MTU size from 1500 to 1400 bytes.
3. Configure the Expressway-C:
a. Enable Jabber Guest services
b. Configure the domain that requires Jabber Guest support
c. Configure Jabber Guest servers and associate their addresses with the domain
d. Set up secure neighbor zones to the Jabber Guest servers
b. Configure the domain that requires Jabber Guest support
c. Configure Jabber Guest servers and associate their addresses with the domain
d. Set up secure neighbor zones to the Jabber Guest servers
Cisco Expressway Administrator Guide (X8.2)
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Unified Communications
Cisco Jabber Guest