Multiple smart card phone and method
First Claim
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1. A method of control access of a telephone in telephone systems comprising the steps of:
- accepting in said telephone a first subscriber identification module (SIM) card, said first SIM card containing a first universal identification number;
accepting in said telephone a second SIM card, said second SIM card containing a second universal identification number;
attempting to register said telephone in a first telephone system using said first universal identification number;
attempting to register said telephone in said first telephone system using said second universal identification number concurrent with said first number being registered;
determining from said first SIM card if it contains first data for more than one providing telephone system and selecting said first providing telephone system for registration of said first universal identification number;
determining whether said registration attempt with said first universal identification number in said first providing telephone system is unsuccessful; and
attempting to register said first universal number with an alternate providing telephone system if said attempt is unsuccessful.
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Abstract
A telephone, such as a radiotelephone, is provided having the capability to concurrently operate with two subscriber identification module (SIM) cards. The telephone advantageously permits a single phone to have two telephone numbers associated therewith.
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Citations
20 Claims
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1. A method of control access of a telephone in telephone systems comprising the steps of:
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accepting in said telephone a first subscriber identification module (SIM) card, said first SIM card containing a first universal identification number; accepting in said telephone a second SIM card, said second SIM card containing a second universal identification number; attempting to register said telephone in a first telephone system using said first universal identification number; attempting to register said telephone in said first telephone system using said second universal identification number concurrent with said first number being registered; determining from said first SIM card if it contains first data for more than one providing telephone system and selecting said first providing telephone system for registration of said first universal identification number; determining whether said registration attempt with said first universal identification number in said first providing telephone system is unsuccessful; and attempting to register said first universal number with an alternate providing telephone system if said attempt is unsuccessful. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A telephone comprising:
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means for accepting a first SIM card, said first SIM card containing a first universal identification number; means for accepting a second SIM card, said second SIM card containing a second universal identification number; SIM card reading circuitry for reading said first and second universal identification numbers from said first and second SIM card; circuitry for coupling said telephone to a telephone system; and a controller, said controller being operable to register said telephone in said telephone system by using said first universal identification number and being further operable to register said telephone in said telephone system using said second universal identification number, said second registration being concurrent with said first registration, said controller utilizing said circuitry to access said telephone system, wherein said controller determines from said first SIM card if said first SIM card contains first data for more than one providing telephone system and for determining from said second SIM card if said second SIM card contains second data for more than one providing telephone system, and being further operable to select a providing telephone system for registering said first and second universal identification numbers based upon said first and second data, and wherein said controller is operable to attempt to register said first universal identification number with a first providing telephone system and further operable to determine whether said registration attempt is unsuccessful and operable to attempt to register said first universal number with an alternate providing telephone system if said attempt is unsuccessful. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification