Cisco Cisco TelePresence Video Communication Server Expressway
Discover Unified Communications Servers and Services
The VCS Control must be configured with the address details of the Unified Communications services/nodes that are
going to provide registration, call control, provisioning, voicemail, messaging, and presence services to MRA users.
going to provide registration, call control, provisioning, voicemail, messaging, and presence services to MRA users.
IM and Presence Service configuration is not required if you're deploying the hybrid model, as these services are
provided by the WebEx cloud.
provided by the WebEx cloud.
Note:
The connections configured in this procedure are static. You must refresh the configuration on the VCS Control
after you reconfigure or upgrade any of the discovered Unified Communications nodes. For more details, see
Go to Configuration > Unified Communications > <UC server type> and click Refresh servers.
Trust the Certificates Presented to the VCS Control
If TLS verify mode is On when discovering Unified Communications services, then you must configure the VCS
Control to trust the certificates presented by the IM and Presence Service nodes and Unified CM servers.
Control to trust the certificates presented by the IM and Presence Service nodes and Unified CM servers.
1.
Determine the relevant CA certificates to upload:
—
If the servers' tomcat and CallManager certificates are CA-signed, the VCS Control's trusted CA list must
include the root CA of the certificate issuer.
include the root CA of the certificate issuer.
—
If the servers are using self-signed certificates, the VCS Control's trusted CA list must include the self-
signed certificates from all discovered IM and Presence Service nodes, Cisco Unity Connection servers,
and Unified CM servers.
signed certificates from all discovered IM and Presence Service nodes, Cisco Unity Connection servers,
and Unified CM servers.
2.
Upload the required certificates to the VCS Control (Maintenance > Security certificates > Trusted CA
certificate).
certificate).
3.
Restart the VCS Control (Maintenance > Restart options).
Discover Unified CM Servers
1.
On VCS Control, go to Configuration > Unified Communications > Unified CM servers.
The page lists any Unified CM nodes that have already been discovered.
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