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Extending a location based telephone call from a wireless telephone set using a generic routing list

  • US 6,873,846 B1
  • Filed: 04/01/1999
  • Issued: 03/29/2005
  • Est. Priority Date: 04/01/1999
  • Status: Expired due to Term
First Claim
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1. A system for extending a telephone call from a wireless telephone set that is served by a cellular communication system to an automatically selected one of a plurality of location based service providers comprising:

  • means for determining a present location of said wireless telephone set;

    means responsive to determining said present location of said wireless telephone set for generating a list that contains a plurality of call routing parameters, each of which is determined from said present location of said wireless telephone set and wherein each of said plurality of call routing parameters is a location identifier for said wireless telephone set; and

    means for transmitting said list of said plurality of call routing parameters to a switching system.

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