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Technique for controlling fraudulent use of a telecommunication service including information assistance

  • US 20050026594A1
  • Filed: 07/31/2003
  • Published: 02/03/2005
  • Est. Priority Date: 07/31/2003
  • Status: Active Grant
First Claim
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1. A method for use by a provider of a telecommunication service, including information assistance, to detect fraudulent use of the telecommunication service, the method comprising:

  • receiving from a caller a call, which includes at least one information assistance request;

    deriving, from signals associated with the call, a telephone number from which the call originates;

    based on the telephone number, obtaining from a first database first data concerning a party registered with the service;

    based on the telephone number, obtaining from a second database second data concerning a party to which the telephone number is assigned; and

    determining fraudulent use of the service if the first data does not correspond to the second data.

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