| 摘要 |
PURPOSE: To attain continuous use of a mobile equipment even in the case of system revision with respect to the multi-zone mobile radio system in which a position to call a mobile equipment is to be registered. CONSTITUTION: This system is provided with a private branch of exchange 1 including a channel network 2, a common controller 3, a base station control section 4, a call area management data table 7, and a position management data table 8, with a base station 5 and a mobile equipment 6, the mobile equipment 6 sends a position registration request message including its own mobile equipment information and a position registration area report message including receptible base station information to the private branch of exchange 1 via the base station, and the private branch of exchange 1 reads the call area including the base station from the call area management data table 7 to register the mobile equipment 6 and the call area to the position management data table 8 and sends the position registration reception message to the mobile equipment 6 via the base station. The mobile station 6 registers the base station signal equivalent to an AND between the base station signal in the call area and the receptible base station signal as a communication available base station. |
