Patent ID: 8532615

Claim:
A base station of a mobile communication system placed in a building, comprising: a communication unit for communicating with the mobile communication system via a communication line; a transmitting unit for transmitting an identifier of the base station to an interface unit, wherein the interface unit is associated with at least one of a fitting set to an opening of the building and a switch placed near the fitting, wherein the switch detects an opened state of the fitting; an obtaining unit for obtaining the opened state of the fitting from the switch; a registering unit for registering information on a mobile terminal when the mobile terminal uses the base station for wireless communication; a processing unit for processing location registration of the mobile terminal; and a control unit for determining whether an identifier of the base station included in the information received from the mobile terminal matches the identifier of the base station or not if information received from the mobile terminal does not match the information registered in the registering unit when the location registration of the mobile terminal is performed by the processing unit after the opened state of the fitting is obtained by the obtaining unit, and controlling the communication unit to transmit a message according to the determination result to a predetermined addressee via the communication line, wherein the mobile terminal receives the identifier of the base station from the switch.