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Screening of incoming telephone calls prior to call completion to the destination party

  • US 5,751,800 A
  • Filed: 12/15/1995
  • Issued: 05/12/1998
  • Est. Priority Date: 12/15/1995
  • Status: Expired due to Term
First Claim
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1. A method for processing incoming telephone calls comprising the steps of:

  • receiving at a destination telecommunication switch a request to establish a call to a first customer'"'"'s line coupled to the switch;

    said request including call type data identifying the party originating the request as one of a plurality of predetermined call categories, said call type data not derived from a telephone number associated with the originating party;

    reading a first record associated with the first line in a first database, said first record having at least one set of data including first data defining a first call category and second data determinative of processing of the incoming call identified as the first call category;

    processing the incoming call at the switch as determined by said second data if the one call category of the incoming call is equal to the first call category.

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