PURPOSE: To recognize information of a radio communication equipment belonging to a same group and to make position registration and calling efficient without relying on an exchange by providing a group information storage means in each radio communication equipment. CONSTITUTION: Plural radio base stations 4 are connected to an exchange 1 and the radio base stations 4 are plural radio communication equipments 5 make communication throng cordless in this system. The system is made up of an exchange 1 switching a channel, a central processing unit 2 controlling channel changeover, a main storage device 3 for subscriber information, plural radio base stations and radio communication equipment 5. In addition, a group information storage means 10 storing group information is provided in each radio communication equipment. When a radio communication equipment 5 makes a call, the exchange 1 is informed of group information, and uses the given group information as call information of the radio communication equipment 5 to call all the radio communication equipment 5 having the same group information or to enable registration operation through the calling.