Mobile communication system, local subscriber information management device, and communication information management method

摘要

The unnecessarily increase of the information amount of subscriber information retained by a local subscriber information management device is prevented even if the number of subscribers increases, so that the limit of the number of subscribers is extended to support the increasing number of subscribers without increasing the capacity of subscriber information retaining means in the local station (local subscriber information management device). Based on information contained in subscriber management information 211, 221 including information representing each mobile terminal 310, 320 acquired by local stations 210, 220 of a mobile communication system 100 and subscriber information corresponding to each mobile terminal 310, 320, the relevant subscriber management information 211, 221 are selected and processed to be prevented from being retained after call control is performed according to the acquired subscriber management information.