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An aerial view of Average RTT of Pakistan shows that the RTTs for Peshawar region are high as compared to other regions. Multan and Faisalabad POP nodes also show high RTT. Figure 3 shows the average RTTs from SEECS to other nodes in Pakistan with colors of line showing the average RTT for that link.
Figure 3: SEECS to Pakistan Average RTT
Mean Opinion Score (MOS ) is used as the measurement for VoIP. It is a good measure to know which links are good and which ones are bad. Within Pakistan MOS value for all of the links is above 4.1 (which is excellent for VOIP communication). In figure 4 it is seen that MOS (red markers) were not affected much by addition of new nodes (green line shows node pairs). MOS shows that, Pakistan to Pakistan VOIP communication should not be a problem.
Figure 4: Pakistan to Pakistan MOS with Node Pairs
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