| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an IP phone with high security by reducing communication quality deterioration caused by obstacles of an Internet network, delay/packet disposal or the like regarding an IP session establishment method and a routing processing device. <P>SOLUTION: To a BB router 1-1, an IP address for Internet connection is assigned from a server 1-4 at an Internet network side, and the IP address for IP phone connection is assigned from a server 1-7 at an IP phone network side. The BB router 1-1 uses the IP address for IP phone connection with respect to the packet of the IP phone, performs routing processing toward the IP phone network, uses the IP address for Internet connection with respect to the packet of Internet communication, and performs the routing processing toward the Internet network. With respect to a physical interface at one broad communication network side, a session with a plurality of different logical interfaces composed of the IP address for IP phone connection and the IP address for Internet connection is established. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
