For years, carriers and equipment manufacturers loved to quibble over the best signaling scheme for their voice-over-IP (VoIP) gateway architectures. During the debate, industry members pitted the ...
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 ...
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