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System and method for determining tariffs for real-time calls involving ported directory numbers

  • US 20040203641A1
  • Filed: 05/31/2002
  • Published: 10/14/2004
  • Est. Priority Date: 05/31/2002
  • Status: Active Grant
First Claim
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1. A method of determining a tariff for a real-time wireless service provided for a wireless telephone call, said method comprising the steps of:

  • determining during call setup whether the call is made to or from a ported telephone number;

    upon determining that the call is made to or from a ported telephone number, determining whether the ported telephone number points to a particular network;

    rating the call with a first tariff if the ported telephone number points to the particular network; and

    rating the call with a second tariff if the ported telephone number does not point to the particular network.

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