Patent ID: 6198942
Filing Date: 2001-03-06
Classification: H04B,H04M,H04W

Abstract:
A telephone apparatus comprising:a keypad for manually entering predetermined commands;a control unit for carrying out predetermined processing which is individually tailored to one of a plurality of communication systems and varies in dependence on at least one of a control signal transmission system, a frequency in use, wireless service provider or, the type of service, in response to one of a plurality of predetermined commands;wherein the predetermined commands entered via the keypad are each provided for one of a plurality of wireless communication systems that serves as a standard system; and,said control unit is programmed to execute, when one of said predetermined commands is entered via said keypad during operation under a nonstandard system for which processing for the standard system cannot be successfully executed, other predetermined processing of the nonstandard system in response to the entered command, said other predetermined processing substantially serving as a substitute for said predetermined processing that would otherwise have been executed under said standard system.