Which of these reasons can cause intrasite calls within a Cisco Unified Communications Manager cluster to fail?

Which of these reasons can cause intrasite calls within a Cisco Unified Communications Manager cluster to fail?
A . The route partition that is configured in the CCD requesting service is not listed in the calling phone CS
C . The trunk CSS does not include the partition for the called directory number.
D . The MGCP gateway is not registered.
E . The calling phone does not have the correct CSS configured.
F . The calling phone does not have the correct partition configured.

View Answer

Answer: D