Deployment of voice-over-IP endpoints, such as Session Initiation Protocol phones and H.323 IP PBXs, within corporations has presented IT with new interoperability challenges. A new breed of network ...
Earlier this month, the National Infrastructure Security Coordination Centre in the U.K. advised that implementations of the H.323 protocol are vulnerable to denial-of-service attacks and could even ...
H.323, the ITU's umbrella standard for audio, video and data-sharing over packet (IP) networks, is already widely deployed and has significant market share. SIP, the IETF's multimedia signaling ...
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