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Network control center call trace

  • US 4,464,543 A
  • Filed: 12/01/1982
  • Issued: 08/07/1984
  • Est. Priority Date: 12/01/1982
  • Status: Expired due to Fees
First Claim
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1. In a telecommunication system having a plurality of tandem node switches interconnected by a plurality of trunks and a network control center, a call trace system for identifying the circuit path taken from a calling number to a called number, comprised of:

  • means associated with each tandem node switch to transmit message detail records, including calling or called number, incoming or outgoing trunks or circuits, date, time, and disposition of call, to the network control center;

    means to store message detail records in a database;

    means for searching said database for message detail records pertaining to the calling number or the called number during a time period;

    means for listing the pertinent message detail records found in the search; and

    means to translate said message detail records into a graphical representation of the route the searched call took as it passed through network.

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