Cisco Cisco TelePresence Video Communication Server Expressway
Appendix 4: Assistance with Prerequisite Tasks
Verify Calls Between VCS-registered Endpoints
The configuration described in this section should already be in place and operational.
VCS Control Configuration Summary
The configuration of the VCS Control in the video network to allow calls to be made between endpoints that register
to them should already have been carried out. Ensure that the SIP domain of the video network, which is needed for
SIP registration and presence handling, is configured.
to them should already have been carried out. Ensure that the SIP domain of the video network, which is needed for
SIP registration and presence handling, is configured.
If appropriate, you may also want to configure interworking to handle calls with any H.323 endpoints that are
registered to other systems in the video network.
registered to other systems in the video network.
Ensure SIP Domain of Video Network Endpoints is Configured in the VCS Control
SIP endpoints register with the VCS Control with a URI in the format user-id@sip-domain. The VCS Controls
accepting these registrations must be configured with the SIP domain information so that it will accept these
registrations.
accepting these registrations must be configured with the SIP domain information so that it will accept these
registrations.
1.
Go to Configuration > Domains.
2.
Check that the domain is listed; if it is not listed:
a.
Click New.
b.
Set Name to, for example, video.example.com.
c.
Click Create domain.
3.
Repeat for any other domains being used.
Configure Interworking for H.323 Endpoints Registered to Other Systems
By default the VCS Control will perform H.323 to SIP protocol interworking between H.323 endpoints registered to the
VCS Control and any SIP devices also registered to the VCS Control or to Lync devices.
VCS Control and any SIP devices also registered to the VCS Control or to Lync devices.
If you have any H.323 endpoints that are registered to other systems in the video network, you will need change the
interworking configuration from the default of Registered only to On:
interworking configuration from the default of Registered only to On:
1.
Go to Configuration > Protocols > Interworking.
2.
Set H.323 <-> SIP interworking mode to On.
3.
Click Save.
Register Video Endpoints to the Video Network
Endpoint Configuration
For H.323, configure the endpoints as follows:
■
H.323 ID (for example, david.jones.office@video.example.com)
■
H.323 Call Setup Mode = Gatekeeper
■
Gatekeeper IP address = IP address or FQDN of VCS Control (cluster)
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Cisco VCS and Microsoft Lync Deployment Guide