Management apparatus, wireless mobile station configured for communication

A wireless mobile station comprising:

• a communication interface that communicates with a management apparatus;
• a position information acquisition interface that acquires position information on the wireless mobile station and causes the communication interface to transmit the position information;
• a response interface that causes, when the communication interface receives a first instruction signal for requesting the wireless mobile station to transmit a sound signal from the management apparatus as a result of the management apparatus estimating an abnormality in the wireless mobile station based on a history of the position information, the communication interface to transmit a response signal in response to the first instruction signal;
• and
• a change interface that changes, when the communication interface receives a second instruction signal for requesting a change in an operation of the wireless mobile station from the management apparatus based on a result of analysis of the response signal by the management apparatus, the operation of the wireless mobile station in response to the second instruction signal.