Cisco TelePresence Administrator's Manual page 412

Reference material
ExternalManager Server Certificate Verification Mode: <On/Off>
Controls whether the certificate presented by the external manager is verified.
Default: On
Example: xConfiguration ExternalManager Server Certificate Verification Mode: On
H323 Gatekeeper AutoDiscovery Mode: <On/Off>
Determines whether or not the VCS responds to gatekeeper discovery requests from endpoints.
Default: On
Example: xConfiguration H323 Gatekeeper AutoDiscovery Mode: On
H323 Gatekeeper CallSignaling PortRange End: <1024..65534>
Specifies the upper port in the range to be used by calls once they are established.
Default: 19999
Example: xConfiguration H323 Gatekeeper CallSignaling PortRange End: 19999
H323 Gatekeeper CallSignaling PortRange Start: <1024..65534>
Specifies the lower port in the range to be used by calls once they are established.
Default: 15000
Example: xConfiguration H323 Gatekeeper CallSignaling PortRange Start: 15000
H323 Gatekeeper CallSignaling TCP Port: <1024..65534>
Specifies the port that listens for H.323 call signaling.
Default: 1720
Example: xConfiguration H323 Gatekeeper CallSignaling TCP Port: 1720
H323 Gatekeeper CallTimeToLive: <60..65534>
Specifies the interval (in seconds) at which the VCS polls the endpoints in a call to verify that they are still in the
call.
Default: 120
Example: xConfiguration H323 Gatekeeper CallTimeToLive: 120
H323 Gatekeeper Registration ConflictMode: <Reject/Overwrite>
Determines how the system will behave if an endpoint attempts to register an alias currently registered from
another IP address.
Reject: denies the registration.
Overwrite: deletes the original registration and replaces it with the new registration.
Default: Reject
Example: xConfiguration H323 Gatekeeper Registration ConflictMode: Reject
H323 Gatekeeper Registration UDP Port: <1024..65534>
Specifies the port to be used for H.323 UDP registrations.
Default: 1719
Example: xConfiguration H323 Gatekeeper Registration UDP Port: 1719
Cisco VCS Administrator Guide (X7.2) Page 412 of 498