| 摘要 |
PROBLEM TO BE SOLVED: To perform an operation of interruption call service without operating on an operating unit of a portable mobile communication terminal in a hands free device. SOLUTION: The hands free device is provided with a switching command transmitting means (S106) for determining whether or not a third party interrupts during a call of a cellular phone 2 (S100), and transmitting a switching command for switching a call interrupted by an incoming interruption call and the original call, when determining that the interruption call arrives; and a disconnection command transmitting means (S106) for transmitting a disconnection command for disconnecting the incoming call. COPYRIGHT: (C)2007,JPO&INPIT
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