Cisco Cisco TelePresence Video Communication Server Expressway
Enabling calls between endpoints registered on
Unified CM
Unified CM
VCS Control configuration
No configuration is required on the VCS for Unified CM to route calls between endpoints registered locally to
the Unified CM.
the Unified CM.
Unified CM configuration
The configuration of Unified CM and Cisco phones to enable calls to be made between the phones consists
of setting up a SIP Profile, specifying the phones on Unified CM, giving the phones phone numbers and
getting the phones to load their configuration. This comprises the following steps:
of setting up a SIP Profile, specifying the phones on Unified CM, giving the phones phone numbers and
getting the phones to load their configuration. This comprises the following steps:
n
Configuring the SIP Profile for VCS (already exists if using version 9.x)
n
Configuring the region with an appropriate session bit rate for video calls
n
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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Configure the phone endpoint to pick up its configuration from Unified CM.
Configuring the SIP Profile for VCS
Note that you can skip this step if you are using version 9.x as a "Standard SIP Profile For Cisco VCS" will
already exist.
already exist.
1. On Unified CM, go to
Device > Device Settings > SIP Profile
.
2. Click Copy against the Standard SIP Profile.
3. Configure the fields as follows (leave other fields as default values):
Name
"Standard SIP Profile For Cisco VCS"
Default MTP Telephony Event Payload Type
101
Redirect by Application
Select the check box
Use Fully Qualified Domain in SIP Requests
Select the check box
Allow Presentation Sharing using BFCP
Select the check box (in Unified CM 8.6.1 or later)
Timer Invite Expires
180
Timer Register Delta
5
Timer Register Expires
3600
Unified CM with Cisco VCS (SIP Trunk) Deployment Guide (X8.1)
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Enabling calls between endpoints registered on Unified CM