H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/66 (2006.01) H04L 29/06 (2006.01) H04M 7/00 (2006.01) H04M 11/06 (2006.01) H04Q 3/42 (2006.01)
Patent
CA 2445872
An IP network system and an H.323 gatekeeper for easily performing voice communication between an existing system such as an IP-PBX system not employing the H.323 protocol and a system employing the H.323 protocol. There are connected an H.323 gatekeeper, H.323 terminal, an IP-PBX and an IP component to an IP network. The H.323 gatekeeper installs therein a software to perform protocol conversion between the PHS protocol and the H.323 protocol. Accordingly, voice communication between the H.323 terminal and the IP component can be realized.
Fujiwara Keigo
Ihara Takanobu
Corporation Nec
G. Ronald Bell & Associates
Nec Infrontia Corporation
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