| 摘要 |
PROBLEM TO BE SOLVED: To easily judge whether or not a message stored normally in a memory of a DSP(digital signal processor) is maintained through checking of part of the memory by comparing read data with keyword data and not reproducing the message content stored in the DSP when they are unmatched. SOLUTION: When a call is received and a message recording is started, a control section 31 writes keyword data to a predetermined location of a message recording section of a DSP 3. In the case of receiving reproduction operation, the control section 31 reads data stored in a prescribed location of the message recording section of the DSP 3. A microcomputer 2 compares the read data with the keyword data. When coincidence is not discriminated, it is discriminated that data stored in the message recording section of the DSP 3 are defective and the message content stored in the message recording section of the DSP 3 is not reproduced. |
