Importance

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Abstract

The present invention provides a basic configuration, a control method, a control program and the like for a master communication device for use in a wireless LAN system which allows each slave communication device to perform wireless telephone communication by itself through a host station without relaying through the master communication device while a single wireless telephone line is used, and does not require particular processing such as authentication on the host station side. The master communication device 1 normally turns on a transmission/reception means 5 to perform location registration for a base station based on an ID set for the transmission/reception means to be in a channel usage state in which wireless telephone communication with a telephone apparatus outside a network is possible, and when a reason of control delegation to any of the slave communication devices 2 occurs in the channel usage state, the master communication device 1 transmits, from a short-range wireless communication means 4 to any one of the slave communication devices which is a subject of control delegation, a control delegation signal for permitting turn-on of a transmission/reception means thereof to use the wireless telephone line, and turns off the transmission/reception means 5 to enter an output prohibited state in which output of a radio signal is prohibited, and performs control for again turning on the transmission/reception means 5 to return to the channel usage state when a control delegation completion reason occurs in the slave communication device to which control has been delegated in the output prohibited state.

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First Claim