| 摘要 |
PROBLEM TO BE SOLVED: To provide the system which combines plural terminals to most suitably realize usable mediums without user's recognition of a terminal used in the other party of communication and mediums, which can be handled by this terminal, at the time of starting a communication request consisting of a combination of various mediums. SOLUTION: The communication system where plural terminals which can handle one or plural mediums are stored is provided with a user terminal storage means 3 where usable terminals are stored for each user, a terminal medium storage means 4 where usable mediums or medium realizing systems are stored for each terminal, a determination means 5 which determines a set of one or plural mediums or medium realizing systems and one or more terminals, which can be used by each user, for each of users related to communication in accordance with the communication request by the user terminal storage means and the terminal medium storage means, and a control means 6 which controls setting and release of call connection based on the set of mediums and terminals determined by the determination means. |
