What is H.323 How does H323 relate to RTP Explain in details H323 Architecture E

Question

What is H.323 How does H323 relate to RTP Explain in details H323 Architecture Explain the operation of MCU in distributed and centralized configuration 8.Which protocol is related to the operation of GateKeeper (GK), is it optional or mandatory. Explain each function of the GK in your own language (don't copy paste from slides) What is the advantage of the facility message? Explain H323 Addressing Gatekeeper can agree to send or not to send the ACK in ACF or RCF message, when it may be sent in ACF and when it may be sent in RCF, in which cases? Explain H245 slow start and fast start operation Explain why H245 channels is unidirectional, explain the concept of logical channel How does H323 protocol assign master and slave in a conference call Explain how H323 utilizes ISDN signaling protocol in VoIP. How does the protocol avoid using unneeded messages, and compensate for required messages, which are not supported by the ISDN signaling protocol? 10. 11. 12. 13. 14. 15.

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4.

H.323 is a protocol which promotes the video conference transmission compatibility on IP networks. It is International Telecommunication Union (ITU) approved and was approved in 1996. It is a very popular protocol and is used to transmit voice communication with the help of IP packets.

It is a combination of many protocols like H.225.0, Q.931, H.245, H.235, RTP, H.450.X.

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