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Caller identification system with encryption

  • US 5,289,542 A
  • Filed: 03/04/1991
  • Issued: 02/22/1994
  • Est. Priority Date: 03/04/1991
  • Status: Expired due to Fees
First Claim
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1. A system for providing Calling Party Identification information to a called party, the calling party being at an originating telephone station and the called party being at a destination telephone station, the originating station and the destination station each having unique identity information associated therewith,CHARACTERIZED BY:

  • means for cryptographic combining the identity information of the destination station and the originating station to generate an encrypted number; and

    means for transmitting the encrypted number to the destination station.

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