Cisco Cisco Expressway
Configuring Unified CM for an Expressway trunk
Prerequisites
Ensure that Unified CM contains a basic configuration and has already set up at least:
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System > Server
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System > Cisco Unified CM
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System > Cisco Unified CM Group
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System > Date / Time Group
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System > Presence Group
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System > Region Information
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System > Device Pool
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System > DHCP
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System > Location
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System > Physical location
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System > Enterprise parameters
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System > Licensing
Configuration summary
The configuration on Unified CM contains the following tasks:
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Configuring the SIP Profile for Expressway (already exists if using version 9.x)
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Configuring the region with an appropriate session bit rate for video calls
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Configuring a SIP Profile for phone devices
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Adding a phone device: add the new phone device to the list of supported endpoints on Unified CM
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Configuring the device directory number: specify the telephone number that will cause this phone to ring
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Configuring the SIP Trunk security profile
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Configuring the SIP Trunk device
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Configuring the Cluster Fully Qualified Domain Name
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Allowing numeric dialing from Cisco phones to Expressway
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Allowing dialing to Expressway domain from Cisco phones
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Checking the message size limit on Unified CM
These tasks are explained in detail below.
Configuring the SIP Profile for Expressway
Note: This procedure does not apply to Unified CM versions 9.x and later, because the newer versions have
a "Standard SIP Profile For Cisco VCS" (you can also use that profile for Expressway).
a "Standard SIP Profile For Cisco VCS" (you can also use that profile for Expressway).
1. On Unified CM, go to
Device > Device Settings > SIP Profile
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2. Click Copy against the Standard SIP Profile.
Cisco Unified Communications Manager with Cisco Expressway (SIP Trunk) Deployment Guide (X8.6)
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Configuring Unified CM for an Expressway trunk