METHOD AND APPARATUS FOR MONITORING BLOCKED CALLS IN A COMMUNICATION NETWORK

摘要

Method and apparatus for monitoring a communication network is described. In one example, call detail record data generated by network elements in the communication network is parsed to identify occurrence of a plurality of blocked calls over a time period. A plurality of consolidated call detail records for the plurality of blocked calls are respectively generated from the call detail record data. Each of the plurality of consolidated call detail records includes an originating telephone number. The originating telephone number of each of the plurality of consolidated call detail records is then processed to identify unique originating telephone numbers for the plurality of blocked calls.