Automated mass calling detection using CCS7 message parameters

Details Automated mass calling detection using CCS7 message parameters Automated mass calling detection using CCS7 message parameters

1995-11-22

1998-10-27

Kuntz, Curtis A.

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Testing of subscriber loop or terminal

379133, 379134, 379230, 370230, 370237, H04M 124

Patent

active

058287299

ABSTRACT:
In a telephone network having a number of telephone switching offices which have CCS7 signalling capabilities and wherein each switching office is linked to STPs (Signalling Transfer Points), or other switching offices with CCS7 signalling links, a method of detecting mass calling events using CCS7 signalling data is disclosed. Each signalling link connecting a switch is monitored. For each call, an Initial Address Message sent from an originating switch to a terminating switch is identified. The IAM is then temporarily stored in storage means. When the occurrence of a release message indicative of an unsuccessful call attempt is detected, an identification of which of the stored IAMs corresponds to the release message is made. A count is computed for each directory (DN) having an IAM with a corresponding release message indicative of an unsuccessful call attempt such that mass calling events directed to a directory number can be detected.

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