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Cellular telephone calling system using credit card validation

  • US 5,388,148 A
  • Filed: 03/11/1993
  • Issued: 02/07/1995
  • Est. Priority Date: 08/12/1991
  • Status: Expired due to Fees
First Claim
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1. A credit card cellular telephone calling system for a cellular telephone having access to a cellular telephone system, telecommunications network and a remote supplemental telephonic device coupled thereto, said calling system comprising:

  • a cellular telephone having a handset and a transceiver unit coupled together via a power and communications bus;

    a credit card interface unit coupled to said bus, said interface unit having means for reading and initially validating a credit card;

    means for establishing a first telephonic communications link with said telecommunications network and for transmitting to said network credit card data, cellular telephone id data and input telephone number data respectively corresponding to said credit card, to said cellular telephone and to a telephone number input by a user into said handset;

    user selectable interface means for displaying a plurality of free call destinations and for permitting selection of one of said plurality of free call destinations, each said free call destination having corresponding free call telephone number data associated therewith, said interface having means for substituting the free call number data for the input telephone number data upon selection by said user;

    said network having;

    a network transceiver, receiving said credit card data, cellular telephone id data and input telephone number data, and having;

    means for ascertaining and recording the validity of said credit card data and said credit card data during said first telephonic communications link and before completion of a further telephonic communications link between said cellular telephone and a telephonic device corresponding to said input telephone number; and

    ,means for routing a call directed to said cellular telephone from said supplemental telephonic device after recording the validity of said credit card data and for recording a length of said call directed to said cellular telephone and billing said credit card for the same.

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