Refer to the exhibit.

In a Cisco Unified Contact Center Enterprise deployment, call center agents report that calls drop
intermittently as soon as they answer the phone.
Callers who experienced the symptoms said they did not hang up, they were disconnected by the
system.
The Cisco Unified Communications Manager log files were examined during this failure, with
specific items noted.
Given these symptoms and the information in the log file, what is the most likely cause of this
problem?”

A.
Lack of Music on Hold resources in Cisco Unified Communications Manager

B.
Lack of Conference Bridge resources in Cisco Unified Communications Manager

C.
Lack of Tran coder resources in Cisco Unified Communications Manager

D.
Lack of trunk or port resources on Voice Gateway