| 摘要 |
PROBLEM TO BE SOLVED: To provide information in consideration of a user's situation without holding personal data in a mobile terminal.SOLUTION: A registration terminal 100 associates terminal identification information and ticket information acquired within a certain period of time with each other, receives availability information of a mobile terminal 200 from a terminal management server 400, and makes the mobile terminal 200 available or unavailable on the basis of the availability information, and the terminal management server 400 determines that the mobile terminal 200 is available when a user can be identified on the basis of the ticket information, and determines that the mobile terminal 200 is unavailable when the user cannot be identified. |
