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Telephone caller identity delivery system and method with enhanced caller privacy

  • US 5,521,969 A
  • Filed: 10/14/1994
  • Issued: 05/28/1996
  • Est. Priority Date: 10/14/1994
  • Status: Expired due to Term
First Claim
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1. A system for detecting when a caller places a telephone call to a dialed number, corresponding to a destination telephone call location, which is authorized to receive origination information about said telephone call, including said caller'"'"'s telephone number, comprising:

  • a switching network having one or more switches for routing telephone call activity;

    said switching network coupled to an originating telephone call location and the destination telephone call location via respective local exchange carrier end offices;

    a signaling network coupling the switches in said switching network to one another and to the respective local exchange carrier end offices for routing said caller'"'"'s origination information and destination information associated with said telephone call;

    said switching network further including means for analyzing said destination information associated with said telephone call to detect when said dialed number is authorized to receive said origination information;

    an adjunct coupled to said switching network, having a processor adapted to receive said caller'"'"'s origination information and said destination information from said switching network, in response to the detection by said analyzing means of a dialed number authorized to receive said origination information, and said processor is further adapted to signal said originating telephone call location, via said switching network, when said dialed number is authorized to receive said origination information.

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