Refer to the exhibit. An engineer is debugging inbound MVA calls that stopped working after a power outage. Initial inspection did not show any configuration changes. Based on the debug output, what is the cause of this issue?
A. Application ccm should be capitalized to fix this problem
B. The alternate call control application that is configured is releasing the call internally
C. Unified CM Publisher server is not reachable
D. Unified CM service parameter Enable Mobile Voice Access defaulted to false after the outage
C,
disconnect cause =63