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Dialing method for effecting international call in intelligent cellular phone

  • US 6,751,481 B2
  • Filed: 07/26/2001
  • Issued: 06/15/2004
  • Est. Priority Date: 07/19/2001
  • Status: Active Grant
First Claim
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1. A dialing method for effecting an international call in an intelligent cellular phone including a conversion table for storing system codes of a plurality of network companies worldwide and their international access codes, and a phone book for storing a plurality of called parties'"'"' names and telephone numbers having international access codes respectively in a database thereof, comprising the steps of:

  • determining whether a cellular phone user has entered into a phone book activation mode and a telephone number to be dialed has been selected from the phone book;

    searching for a system code transmitted by a base station proximate the location from which the call is being made in order to let said cellular phone recognize a current location area in accordance with the system code transmitted by said base station;

    comparing the system code transmitted by the base station with a system code retrieved from said phone book and, if different, replacing an international access code of said telephone number selected from the phone book with a corresponding international access code retrieved from said conversion table.

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