This call logs functionality is similar as to the logs mentioned here, but there are minute differences which are listed below:
This is more advanced and detailed version of the call logs mentioned here.
The call logs are categorized as per each leg involved in a call. This means that if two legs are involved in the same call, then two logs will be displayed in this page showing the system disposition of each leg.
So chances are, there can be multiple logs for the same call with pitch perfect details with each leg.