In a Cisco Unified Contact Center Enterprise deployment, calls are unable to reach the Cisco
Unified IP IVR for prompting or queuing. Which three tools and logs would be most useful in
troubleshooting this problem? (Choose three.)

A.
Cisco Unified Communications Manager PG PIM Log

B.
VRU PG PIM Log

C.
Cisco Unified IP IVR MIVR Log with SS_TEL and LIB_ICM tracing turned up

D.
CTI OS Log with Agent State Trace turned up

E.
Cisco Unified Communications Manager PG OPC Log

F.
Cisco Unified ICM Router Log Viewer