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:
■
System > Server
■
System > Cisco Unified CM
■
System > Cisco Unified CM Group
■
System > Date / Time Group
■
System > Presence Group
■
System > Region Information
■
System > Device Pool
■
System > DHCP
■
System > Location
■
System > Physical location
■
System > Enterprise parameters
■
System > Licensing
Configuration Summary
The configuration on Unified CM contains the following tasks:
■
Configuring the SIP Profile for Expressway (already exists if using version 9.x)
■
Configuring the region with an appropriate session bit rate for video calls
■
Configuring a SIP Profile for phone devices
■
Adding a phone device: add the new phone device to the list of supported endpoints on Unified CM
■
Configuring the device directory number: specify the telephone number that will cause this phone to ring
■
Configuring the SIP Trunk security profile
■
Configuring the SIP Trunk device
■
Configuring the Cluster Fully Qualified Domain Name
■
Allowing numeric dialing from Cisco phones to Expressway
■
Allowing dialing to Expressway domain from Cisco phones
■
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).
1.
On Unified CM, go to Device > Device Settings > SIP Profile.
7
Cisco Expressway SIP Trunk to Unified CM Deployment Guide
Configuring Unified CM for an Expressway Trunk