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System and method for real-time fraud detection within a telecommunications system

  • US 6,567,511 B2
  • Filed: 09/06/2001
  • Issued: 05/20/2003
  • Est. Priority Date: 02/24/1997
  • Status: Expired due to Term
First Claim
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1. A method for detecting a fraudulent telephone call, the method comprising:

  • (a) collecting signaling protocol data for a telephone call, from a switch, using a signal protocol receiver that is independent from the switch;

    (b) decoding the signaling protocol data;

    (c) correlating the signaling protocol data into a call information record during the duration of the telephone call; and

    (d) determining that the telephone call is fraudulent by analyzing the call information record during the duration of the call.

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