| 摘要 |
PROBLEM TO BE SOLVED: To suitably stand by for a handsfree speech communication even when a profile other than a handsfree profile is connected with a mobile phone. SOLUTION: When a start trigger for data communication is generated while a handsfree profile is connected with a mobile phone 2a registered as a main telephone set, the on-bard handsfree device 3 performs switching from the mobile phone 2a where the connection destination of the handsfree profile is registered as the main telephone set to one of mobile phones 2b and 2c where handsfree profiles are registered as subordinate telephone sets and makes a connection with the mobile phone 2a where a dial-up network profile is registered as the main telephone set. COPYRIGHT: (C)2008,JPO&INPIT
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