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Thursday, August 4, 2016

IGNOU MBA MCTE-022 Voice over Internet Protocol 2015 Question Paper

Indira Gandhi National Open University (IGNOU) Question Papers
Term-End Examination
June, 2015
Time : 3 hours Maximum Marks : 100
Note : Answer any five questions. All questions carry equal marks.
1. What is VoIP ? Write and explain the various steps involved for successful implementation of VoIP by keeping objective in mind. 20
2. (a) Write merits and limitations of VoIP over PSTN network. 10
(b) Explain how VoIP technology is ideal for corporate use. 10
3. Write and explain the various issues and challenges that need to be addressed in the implementation of VoIP. 20
4. What is H.323 ? Explain in detail thearchitecture of H.323. 20
5. (a) Write and explain the various security issues and counter measures for VoIP. 10
(b) What is VoIP Phishing ? How can you prevent VoIP Phishing and avoid getting trapped ? 10
6. (a) Explain the Packet Header of Real-time Transport Protocol. 10
(b) Explain how Session Initiation Protocol controls voice and video calls. 10
7. Write short notes on the following : 20
(a) Mobile VoIP
(b) Packet Switched Network
(c) Audio over IP
(d) Voice VPN

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