| 摘要 |
PURPOSE:To enable service even if a mobile station is moved to another region, by inserting and connecting a communication control unit to the subscriber's line side and automatically registering the position of a mobile radio machine in the communication control unit. CONSTITUTION:In case of incoming from a general telephone subscriber 5 to a mobile radio machine 1, an exchange 4 retrieves contents of a storage file 10 of a communication control unit 3 to find a radio base station 2 nearest to the radio machine 1 and calls the radio machine 1 through this base station 2 to connect the incoming service between the subscriber 5 and the radio machine 1. At the time of terminating the service, a signal where correspondence between the mobile radio machine identification number of the radio machine 1 and the radio base station identification number of the base station 2 is included as information is sent from the base station 2 to the controller 3. In the controller 3, information contents are stored in a file 10, or contents are updated if position information of the radio machine 1 is already stored in the file 10. Thus, the service between the subscriber 5 and the radio machine 1 is performed through the base station 2 in the place where the radio machine 1 is moved through the radio machine 1. |
