What are two possible causes for this problem?

In a network with two Cisco Unified Communications Manager clusters, Phone 1 on Cluster A dials [email protected] to reach Phone 2 on Cluster B, and the call fails.

What are two possible causes for this problem? (Choose two.)

A. Cluster A does not have a SIP trunk to reach Cluster B.

B. Cisco UDS is not enabled on Cluster B.

C. Cluster B does not have a SIP trunk to reach Cluster A.

D. The calling space on Phone 1 contains the partition with a pattern that matches [email protected]

E. Cisco UDS is not enabled on Cluster A.

View Answer

Answer: AC