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Optimizing Low Speed VoIP Network for Rural Next Generation Network (R-NGN)



In this paper, we identify some impairments in the Voice over Internet Protocol (VoIP) networks andquantify the levels ofvoice quality. We propose an optimization model to maximize number of calls in low speed network for Rural Next Generation Network (R-NGN) while maintaining a minimum level of voice quality. The model is based-on Extended E-modelto selectparameters like voice coder, packet loss level, jitter buffersize, and network utilization. The optimum VoIP access network isachieved by applying G.723.1 5.3 kbps voice coder, packet loss level less than1%, jitter buffer 50 ms, and network utilization less than85%


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Journal of ICT Research and Applications Vol 1 No 2
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English
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