| 摘要 |
PURPOSE:To efficiently determine an optimum route while deleting the amount of position registration traffic by providing plural mobile communication exchange station control zones in a position registration area to be the unit of a simultaneous call and setting a simultaneous call managing function, which is required when an incoming call to a moving equipment is connected, at a home memory station. CONSTITUTION:In a mobile communication system, a simultaneous calling means F and a line setting means G are provided. When the incoming call from another network is connected, the simultaneous calling means F performs access from the exchange station of the faced network or a mobile communication gate exchange station A to a home memory station E and accordingly, the simultaneous call is executed from respective plural radio base stations B1-Bn in the position registration area identified by the home memory station E. Based on response information from one radio base station (temporarily defined as B2) receiving the response of the simultaneous call from a mobile equipment D by the simultaneous call, the line setting means G identifies the radio base station B2 or a mobile communication exchange station C, where the mobile equipment D is existent, and notifies the identification information through the home memory station E to the mobile communication gate exchange station A and a line is connected between the mobile communication gate exchange station A and the radio base station B2.
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