Terminal and terminal management apparatus in ubiquitous communication system

摘要

A ubiquitous communication system that can be used without changing a user ID etc. of a terminal of others or causing problems such as information leakage is provided. A terminal management apparatus for managing terminals on a ubiquitous communication system is provided with a terminal management portion for retaining information about terminals belonging to each of the users, a parent registration list in which a terminal that another user is allowed to use and the another user who is allowed to use the terminal are pre-registered, a child registration list in which a terminal borrowable from another user and the another user to which the terminal belongs are pre-registered, and an association setting portion for, when a first user makes an association setting request on a terminal belonging to a second user, referring to the lists and, if it is judged that the first user may be allowed to use the terminal belonging to the second user, registering the terminal belonging to the second user in the terminal management portion of the first user.