M4 Call Tracing
From Kolmisoft Wiki
Description
Call tracing is useful feature for troubleshooting failed Call attempts. While M2 Hangupcause Codes tell some details about failed Calls, Call Tracing able to show all steps - whats happening during the Call.
Usage
Go to REPORTS -> Calls List and click on the icon for a Call Tracing.
Call tracing will use details from actual Call (like source and destination), you will be redirected to the new page
and after few moments Call Log will be shown
Call Log will show self explanatory warnings, errors (in red colored text) and other details.