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Virtual calling card system

  • US 5,479,494 A
  • Filed: 10/05/1992
  • Issued: 12/26/1995
  • Est. Priority Date: 10/05/1992
  • Status: Expired due to Term
First Claim
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1. A method comprising the steps of:

  • receiving a telephone number and a calling card number provided by a caller initiating a calling card call;

    retrieving from a database information needed to determine if said calling card number is a subscriber-selectable calling card number;

    if said calling card number is a subscriber-selectable calling card number, mapping said subscriber-selectable calling card number to a previously stored standardized calling card number; and

    completing said calling card call to the telephone number provided by the caller; and

    charging said calling card call to said standardized calling card number.

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  • 3 Assignments
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