| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a technique for processing communication data at a high speed. <P>SOLUTION: A communication controller 10 includes a first database 50 stored with user IDs, SIP URLs and IP addresses of communication devices corresponding to the SIP URIs, while making them correspond to one another; a user database 57 stored with the user IDs and IP addresses of terminals of the users, while making them correspond to each other; a user updating unit 460, which acquires a user ID of a terminal and an IP address imparted to the terminal from a connection management server 120 and registers them in the user database 57; a user identification unit which retrieves an IP address of the transmission source or transmission destination of communication data from the user database 57 to acquire a user ID; a retrieval circuit 30 which performs retrieval by referring to a record of the first database 50 corresponding to the acquired user ID, and a processing executing circuit 40, which transfers an SIP message to the IP address of the communication device corresponding to a retrieved SIP URI. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
