When a user attempted to call a colleague at the same site, the caller received a recording that the call could not be completed as dialed. Which two actions can you take to troubleshoot the problem? (Choose Two)
A. Reboot the IP Phone that the user attempted to call
B. Verify that Partitions and calling search space are correct
C. Reboot the Users IP Phone
D. Reboot the Cisco Unified Communications Manager Cluster
E. Ping the remote gateway to verify connectivity
F. Use RTMT to trace the call from DN to DN
