You can track the call through the system by searching for a Cisco-GUID. The Cisco-GUID is the common denominator used in logging for every call across each component. Find the relationships in the Unified CVP logs.
Error Message
The error message for this problem...
Possible Cause
The Cisco-GUCID has the format:
DEAD91DD1000011A74D013BE0A5687DD
There are two exceptions to the common Cisco-GUCID:
When Unified CM is the caller source, use the LegID. The LegID format is:
120111222148396083
If the call never makes it to Unified Expert Advisor from Unified CVP 4.x, then search for the GUID. The GUID format is:
05A2AEC3-10000115-550959F1-0A568782
Recommended Action
To determine which components the call reached, search for the Cisco-GUID/GUCID in the following logs:
Unified Expert Advisor MMCA logs
Unified ICM VRU PIM "VRU Capture" logs
Unified Expert Advisor PG PIM and OPC logs
All Unified CM and Unified Presence logs
Unified CVP logs
Ingress gateway logs (if your calls are arriving via TDM)