| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To select a terminal corresponding to a called user as a terminal of a transfer destination if the user is not present at the called terminal. <P>SOLUTION: Information regarding whether or not a user is present at each of terminals and information relating to a priority order of terminals and regarding objects for each of users are stored. A called terminal is detected and it is judged by referring to the stored information whether or not a user is present at the called terminal. If it is judged that the user is not present at the called terminal detected in a called terminal detection step, a terminal next to the called terminal in the priority order is specified by referring to the stored information, and a record describing a local Internet protocol address of the specified terminal, a global port number and a local port number utilized for communication is added to a masquerade table utilized for an Internet protocol masquerade. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
