| 摘要 |
PROBLEM TO BE SOLVED: To keep secrecy and to take measures against noise when a mobile phone 30 is taken in a cabin 10 to make a handsfree telephone call in the cabin 10. SOLUTION: Speakers 16a, 16b, 16c, and 16d and microphones 17a, 17b, 17c, and 17d are arranged according to persons sitting on a driver's seat 11, a passenger's seat 12, a left part of a rear seat 13, and a right part of the rear seat 13. A management part 21 receives caller information from the mobile phone 30 once there is an incoming call to the mobile phone 30. Then handsfree equipment selection information is read out of a memory part 23 to find handsfree equipment (speaker and microphone) made to correspond to the caller information and an instruction to connect a telephone call control part 25 to the found handsfree equipment is sent to a speech input/output switching part 27. The speech input/output switching part 27 connects the mobile phone 30 to the handsfree equipment according to the connection instruction from the management part 21. COPYRIGHT: (C)2007,JPO&INPIT
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