One of the main reasons that UDP is preferred is that it is faster than TCP, since voice communications are time sensitive, any addtional time that can be saved is crucial.
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why RAS part in H323 network rely on UDP not on TCP?
why RAS (Registration, Admission, Status) part of H.323 Network takes while registering an Endpoint to a Gatekeeper prefers UDP other than TCP?
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by: bibhutikumarPosted on 2004-07-12 at 09:50:22ID: 11530989
The coder-decoder compression schemes (codecs) are enabled for both ends of the connection using Real-Time Transport Protocol/User Datagram Protocol/Internet Protocol (RTP/UDP/IP) as the protocol stack.