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 ...
Several critical vulnerabilities have been discovered in voice over Internet Protocol (VoIP) and videoconferencing products based on the H.323 protocol that’s used in IP telephony applications to ...
H.323 gateways using the call preservation feature of IOS 12.4 (9T) do not have this limitation. I recommend H.323 as a gateway protocol for remote branch offices due to this MGCP limitation.
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