PORTABLE TELEPHONE SET

PROBLEM TO BE SOLVED: To provide a portable telephone set in which a selection item can be easily selected out of menu data transmitted from a supply source computer so as to easily extend the function of the portable telephone set. SOLUTION: A portable telephone set 1 is connected through a telephone line 2 to a supply source computer 3, the menu data are transmitted from the supply source computer 3, the menu data are received by the portable telephone set 1 and on the basis of the menu data, and the selection items are indicated on a display part. In the portable telephone set, one of the selection items indicated on the display part is selected with a figure key of an input part. COPYRIGHT: (C)2005,JPO&NCIPI