Cordless key telephone system and corresponding method, in order to make calls to stations in which is influenced by interference zones to attempt repeated

摘要

PURPOSE: To expand the talking available area of the system by sending an incoming call signal in a duplicate area of plural talking zones using a same control channel so as to set the talking zones more than the control channel number. ;CONSTITUTION: When an incoming call takes place, a 1st incoming call signal is sent from each of connectors 21,23,25,27 arranged to each of zones Z1-Z4 at first, a talking channel is set between standby telephone sets 31-35 in reply with the signal and each of the connectors 21,23,25,27 to send an incoming call display signal. When the standby telephone set 36 not in reply with the 1st incoming call signal is in existence, a 2nd incoming call signal is sent from one of standby connectors 22,28 included in an area being the sum of plural talking zones Z1, Z3 and Z2, Z4 whose control channel is the same, and a talking channel already set by the 1st incoming call signal is set to the talking zone Z4 of the connector 28 and an incoming call display signal is sent.;COPYRIGHT: (C)1993,JPO&Japio