| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable telephone set by which the user easily discriminates whether or not the telephone set possessed by the user receives an incoming request signal based on an incoming tone sounded at the arrival of an incoming call SOLUTION: This portable telephone set assigns a prescribed tone to a key pad to set an incoming call tone and the set incoming tone is stored in an EEPROM 48 and when an incoming call request signal is detected from reception data inputted to a modulation demodulation section 41, the incoming tone stored in the EEPROM 48 is sounded via a ringer 22. |
