| 摘要 |
PROBLEM TO BE SOLVED: To enable a person with a speech impediment to have a conversation with an opposite party through a telephone terminal, even at a place of visit or the like by performing a voice message transmission operation, while displaying characters corresponding to a selected voice message and sending it out to the telephone terminal in a communication state. SOLUTION: Call termination signals to this portable radio telephone are fetched via an antenna 4 or the like to a control part 10 and the control part 10 makes a buzzer 8 or the like output call termination sound. When it is a case of a speech impediment person, and when a communication button 22 is pressed after pressing a response button 26, a response to a caller is made available in a voice message response mode. First, a response message at the time of call termination stored in a voice data memory 7 is sent out to the caller by the route of a PCM → an ADPCM 15 - a TDMA part 13 - a transmission part 12 - the antenna 4. Also, voice signals from the caller are transmitted by a path of the antenna 4 - a reception part 11 - the TDMA part 13 - the ADPCM→ - the PCM 14 a D/A 16 - a loudspeaker 6 or an earphone 61 and are outputted as voice. |
