| 摘要 |
PROBLEM TO BE SOLVED: To confirm the location of a communication party by using a mobile communication terminal, a general telephone, etc., without being restricted by the location of the communication party. SOLUTION: A management part 112 of the base station management device 101 manages information on the position of a base station device and the telephone number of a mobile communication terminal, etc., registered in each base station device and when the base station management device 101 is requested to give the position of the communication terminal device, a control part 113 retrieves information in the management part 112 and outputs the position of the base station device where the corresponding communication terminal device is registered to the requester.
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