Designof a Lan-Based Voice Over Ip (VOIP) Telephone System

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Hassan Suleiman Abdalla Omer
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University of Khartoum
The objective of this study was to design a program to transmit voice conversations over data network using the internet protocol –Voice Over IP (VOIP). JAVA programming language was used to design the client-server model, codec and socket interfaces. The design was fully explained as to its input, processing and output. The test of the designed voice over IP model was successful, although some delay in receiving the conversation was noticed. This was related to the data network used. The noticed echo could be attributed to the quality of the media used. The study recommended overcoming the above mentioned problems. It also recommended application of the designed programme in a graphical interface form so as to make it easier for non IT specialists. This can make the design of commercial value.
A thesis submitted to the University of Khartoum in partial fulfillment of the requirement for the degree of MSC in Communication & Information Systems
Telephone System Voice Over Internet Protocol Internet Protocol Public Switched Telephone Network International Telecom Union Local Area Networ Communication and Information Systems Electrical and Electronics Engineering University of Khartoum
Hassan Suleiman Abdalla Omer, Designof a Lan-Based Voice Over Ip (VOIP) Telephone System. – Khartoum : University of Khartoum, 2009. - 66 P. : illus., 28 cm., M.Sc.