Method and apparatus for supporting enhanced international dialing in cellular systems
First Claim
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.
1 Assignment
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Accused Products
Abstract
A method and apparatus are provided that support enhanced international dialing in cellular systems using handset based code dialing. According to one aspect, the handset analyzes the dialed digits before sending the dialed number to the network. If the dialed digits begin with the country code of the area from which the call is placed, the country code will be removed and a national access code will be added in front of the digit strings. For international calls the dialed number may begin with a + indicator, followed by a country coded, an area code, and a customer number. The digit string is automatically translated into a new number based on the numbering plan of the area in which a call is being placed. The new number can then be sent to the network to set up the call.
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Citations
20 Claims
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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. - View Dependent Claims (2, 3, 4, 5)
- 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;
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6. An apparatus for use in a wireless device for placing an international call in a CDMA serving network, comprising:
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means for analyzing a digit string to detect if the digit string includes a special character, a country code, and a special prefix code; means for 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; means for 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;
otherwisemeans for 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 string of digits; and means for transmitting the altered string of digits to a base station. - View Dependent Claims (7, 8, 9, 10)
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11. A wireless device for placing an international call within a CDMA serving network comprising:
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a processor for analyzing a string of digits to detect if the string of digits includes a special character, a country code, and a special prefix code, for 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 string of digits; anda transmitter for transmitting the altered string of digits to the serving network. - View Dependent Claims (12, 13, 14, 15)
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16. A processor for use in a wireless device for placing an international call in a CDMA serving network, comprising:
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a first module for analyzing a digit string to detect if the digit string includes a special character, a country code, and a special prefix code; a second module for 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; a third module for 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;
otherwisea fourth module for 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 string of digits; and a fifth module for transmitting the altered string of digits to a base station. - View Dependent Claims (17, 18, 19, 20)
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Specification