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 gateway interfaces support the NFAS (Non-Facility Associated Signaling) feature, while MGCP gateways do not. The NFAS feature allows one Q.931 D channel in a PRI to carry voice signaling for up ...
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 ...
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