Patent ID: 8270370

Claim:
A base station controller configured to control the operation of call control of base stations, the call control permitting or denying a connection in response to a connecting request from a radio terminal, the base station controller comprising: a receiving unit configured to receive instructions, wherein said instructions include at least one of a stop instruction to stop the call control of a base station; and a restart instruction to restart the call control of a base station; and a control unit configured: to stop the call control of a first base station, and to change a base station of a radio terminal from said first base station to a second base station different from said first base station, after said receiving unit receives a stop instruction to stop the call control of the base station, wherein a process for stopping the call control includes a process for not permitting a hand-off of the radio terminal to the first base station, and to change the base station of the radio terminal from said second base station to said first base station, and thereafter permit a new connection between another radio terminal and said first base station, after said receiving unit receives a restart instruction to restart the call control of the base station.