| 摘要 |
PROBLEM TO BE SOLVED: To provide an IP telephone server which, when an IP address changes, can correctly connect from a terminal at the source of connection to a terminal at the destination of connection directly.SOLUTION: An IP telephone server 30 mediates a call connection between a plurality of terminals A10 and B20. The IP telephone server 30 comprises: terminal information holding means 304 which stores therein information on connection destinations of terminals which information is correlated to each terminal and information indicating other terminals whose information on connection destinations needs to be notified to each of the terminals; and terminal management means 303 which notifies, about a predetermined connection from each terminal, information on connection destinations of the other terminals stored as other terminals whose information on connection destinations needs to be notified to each of the terminals. The terminals A10 and B20 each include connection destination information holding means 105 which stores therein information on connection destinations of the notified other terminals and call control means 102 which directly connects a call to the other terminal by using the stored information on connection destinations of the other terminals. |
