Cisco Cisco TelePresence Video Communication Server Expressway
Enabling endpoints registered on Cisco VCS Control to call endpoints registered on CUCM
Cisco VCS Deployment Guide: CUCM v6.1, 7 and 8 with Cisco VCS X7.1 using a SIP trunk
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Configure the SIP Trunk device
1. On CUCM, go to
Device > Trunk
.
2. Click Add New.
3. Select a Trunk Type of SIP Trunk.
•
Device Protocol displays SIP.
•
If asked for a Trunk Service Type, select None(Default).
4. Click Next.
5. Configure the Device Information fields as follows:
Device Name
VCS_location, for example VCS_Ruscombe
Device Pool
(As set up in System > Device Pool)
Call classification
OnNet
Location
(As set up in System > Location)
Packet Capture Mode
None
Media Termination Point
Required
Required
Select this check box if only audio devices are registered
to CUCM.
Clear this check box if any video phones registered to
CUCM are to make or receive video calls with endpoints
registered to Cisco VCS
to CUCM.
Clear this check box if any video phones registered to
CUCM are to make or receive video calls with endpoints
registered to Cisco VCS
SRTP Allowed
Select this check box
Note: The use of the Media Termination Point has been found to be beneficial in the following
circumstances:
circumstances:
When calls from a CUCM phone to a SIP video device registered on Cisco VCS fail due to
CUCM not providing a SIP sdp as required (seen with CUCM 6.1).
CUCM not providing a SIP sdp as required (seen with CUCM 6.1).
When calls from a CUCM phone to an H.323 video device registered on Cisco VCS fail due to
INVITEs with no sdp not being interworked correctly by Cisco VCS (note that this issue is fixed in
Cisco VCS X5.1.1 and later).
INVITEs with no sdp not being interworked correctly by Cisco VCS (note that this issue is fixed in
Cisco VCS X5.1.1 and later).
The Media Termination Point may however cause problems when making video calls between CUCM
and Cisco VCS (seen with CUPC).
and Cisco VCS (seen with CUPC).
6. Configure the Call Routing Information > Inbound Calls fields as follows:
Significant digits
All
Connected Line ID Presentation
Default
Connected Name Presentation
Default
Calling Search Space
(As set up in Call Routing > Class of Control > Calling
Search Space)
Search Space)
Prefix DN
<blank>
Redirecting Diversion Header
Delivery – Inbound
Delivery – Inbound
Select this check box
7. Configure the Call Routing Information > Outbound Calls fields as follows:
Calling Party Selection
Originator
Calling Line ID Presentation
Default
Calling Name Presentation
Default