DECOMPOSED H.323 NETWORK BORDER ELEMENT FOR USE IN A VOICE-OVER-INTERNET PROTOCOL NETWORK

摘要

A decomposed H.323 border element is disclosed that is useful forproviding an entry point from one or more H.323-based networks into a SIP-based VoIPnetwork. In one embodiment, the signaling element of the BE is separated intoaseparate functional entity from the media control element to facilitate asingle signalingentity controlling multiple media entities. In another embodiment, thesecurity elementof the border element is also separated from the media control element so thatfirewalland network address translation elements may be performed by a separatefunctionalentity. In a further embodiment, the media transcoding element is separatedfrom themedia control element. In a final embodiment, the internetworking facilitybetween theSIP and H.323 element is separate from the H.323 gatekeeper elements.