Patent ID: 8295836

Claim:
A mobile switching center configured to perform communication with each mobile station located in a first mobility management area via a radio base station, comprising: a mobile station information manager unit configured to manage mobile station information including a temporary mobile station identifier which uniquely identifies each mobile station in the first mobility management area; and a notifying unit configured to notify, to a newly connected radio base station to which a mobile station is connected in the first mobility management area, a temporary mobile station identifier allocated to the mobile station at a second mobility management area, when the mobile station communicating in the second mobility management area moves from the second mobility management area to the first mobility management area, wherein the notifying unit is configured to receive a completion report from the newly connected radio base station, the completion report reporting any of completion of a handover of the mobile station to the newly connected radio base station and completion of relocation of the mobile station information for the mobile station in the newly connected radio base station, and wherein the notifying unit is configured to notify, to the newly connected radio base station, the temporary mobile station identifier allocated to the mobile station after received completion of updating a location registration area for the mobile station from the mobile station.