Which issue would cause an MGCP gateway to fail to register with Cisco Unified Communications Manager?
A. missing the configuration command isdn bind-l3 ccm-manager under the ISDN interface
B. mismatched domain name on the MGCP gateway and Cisco Unified Communications Manager
gateway configuration
C. misconfigured route group in Cisco Unified Communications Manager
D. inMGCP IP address specified in the gateway configuration in Cisco Unified Communications
Manager
Answer: B
Endpoints are configured for both H.323 and SIP using the same URI and Cisco VCS settings, but the endpoints register only as H.323 endpoints. What is causing this issue?
A. A firewall is blocking all traffic from the endpoints to the Cisco VCS.
B. The Cisco VCS has no SIP domains configured.
C. The Cisco VCS is blocking the endpoints because of duplicate ID entries.
D. The endpoints do not have the SIP option key installed.
E. SIP does not work, because SIP is used for Cisco Unified Communications Manager registration only.
Answer: B
