Which troubleshooting tool does an engineer use to determine whether a cat! is being subjected...

 = A calls log is a tool that records the details of each call that passes through the Expressway, including the source and destination addresses, the protocol, the call duration, the bandwidth, and the reason for termination. An engineer can use the calls log to check the bandwidth allocation and usage for each call, and to identify any calls that were rejected or downspeeded due to traversal bandwidth restrictions. To access the calls log, go to Status > Calls > History on the Expressway web interface. The calls log can also be exported as a CSV file for further analysis. References := Cisco Expressway Administrator Guide (X15.0) - Calls Log