CPC H04M 3/10 (2013.01) [H04M 15/22 (2013.01)] | 20 Claims |
1. A method of monitoring a plurality of phone numbers, the method comprising, for each phone number:
automatically detecting call activity involving the phone number during a detection period having a preselected duration;
automatically determining an answer seizure ratio (ASR) during the detection period from the call activity;
automatically determining a difference between the ASR during the detection period and an ASR for the phone number from at least one previous detection period; and
automatically determining that the difference satisfies at least one preselected criterion and instigating a procedure to investigate or repair the phone number when the difference satisfies the at least one preselected criterion.
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