To provide a mobile telephone which is superior in convenience, especially a mobile telephone which can fully make profit by enabling a plurality of telephone numbers to be used by a single telephone set in reverse, without losing convenience even if the number of telephone numbers usable is increased.

A mobile telephone is provided with an interrupt sound generating means for generating an interrupt sound, when an incoming call occurs during a call, an interrupt sound setting means by which the interrupt sound can be set individually, corresponding to the telephone number of the opponent party, and an instruction input means, by which an instruction for finishing a call with a calling opposite party and for calling with an incoming call opposite party, can be inputted.