| 摘要 |
PROBLEM TO BE SOLVED: To provide a telephone device to discriminate a sales person. SOLUTION: When there is a call is notified by a predetermined number of rings (steps S1 to S6), the line is automatically connected to send a response message to the line and a message from the caller is stored (step S10). A user listens to the message from the caller to determine a caller, and then starts speech or disconnecting the line (steps S12 and S14). COPYRIGHT: (C)2008,JPO&INPIT
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