Determining subscriber state within a private communication system and allowing public communication system to check if subsciber is in idle or busy mode within the private system

摘要

A method for matching subscriber state information of a public land mobile network (PLMN) and a subscriber state information of a wired/wireless private network in a public and private mobile communication system in which the PLMN including at least one base station transceiver subsystem forming a public and private cell area are interworked and the public and private mobile communication system providing one mobile station with public and private mobile communication services comprises: a) allowing the private network to determine a state of a mobile station located in a public and private cell area and transit the subscriber state information associated with the mobile station towards the public network and b) allowing the public network to receive the subscriber state information and process a call associated with the mobile station on the basis of the subscriber state information.