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Method and apparatus for supporting enhanced international dialing in cellular systems

  • US 7,715,829 B2
  • Filed: 12/12/2005
  • Issued: 05/11/2010
  • Est. Priority Date: 12/13/2004
  • Status: Expired due to Fees
First Claim
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1. A method for placing an international call in a CDMA serving network using a wireless telephone, comprising:

  • analyzing a string of digits by a processor, to detect if the string of digits includes a special character, a country code, and a special prefix code;

    removing the special character and the country code from the string of digits if the country code matches a serving network country code and adding a national access code to the string of digits if the special prefix code is not found within the string of digits to generate an altered string of digits;

    otherwise removing the special character and inserting an international access code associated with the serving network if the country code from the string of digits does not match the serving network country code to generate an altered sting of digits; and

    transmitting the altered string of digits to a base station.

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