| 摘要 |
PURPOSE:To individually receive to plural radio telephone sets stored by a main telephone set. CONSTITUTION:A control part 21 of a main telephone set 20 analyzes a control command received through a transmission interface part 22 and identifies the presence and the content of additional information received continuously to a receiving command. Here, as the additional information, for example, '1' is received, and then, the additional information corresponding to the whole radio telephone set stored to the main telephone set 20 inputted from a ten-key part 25 to a storing part 23 and stored beforehand and the received additional information are collated by the control part 21, for example, the collated coincident radio telephone set is selected by transmitting a control signal stipulated beforehand through a radio part 26, performing the receiving and starting, that is, ringing a bell.
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