Sometimes they will know the city from which the call was placed. If they do, this is often the extent of information known about the call.
Detailed Information Required For all call failures, it is critical to identify the root cause.
This will allow appropriate action to be taken to correct the problem at its source. Unless this is done, failures will continue to occur. In order to investigate call completion trouble reports effectively, it is necessary that detailed information be obtained about every call failure. Once this information is available, it will be possible to direct investigative efforts in the most productive manner. Code Holder's Role Obtain call failure details from the party experiencing the call failure.