| 摘要 |
<P>PROBLEM TO BE SOLVED: To put together a plurality of IP telephone terminal sessions in a private network in one port at the global side of a relay device. Ž<P>SOLUTION: The relay device includes a UAC (User Agent Client) managing means, a registration information transmitting means, and a destination information editing means. The UAC managing means terminates and manages registration information transmitted from a plurality of IP telephone terminals located in the private network. The registration information transmitting means newly transmits registration information on the own communications device to a call control management apparatus located at the side of a global network. On the occasion of transmission and reception of IP telephone communications between the global network and the private network, the destination information editing means mutually converts destination information for the IP telephone communications. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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