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Mean Opinion Score (MOS) is calculated using an industry standard formula from data contained in the RTCP stream and Trace Route. The data included in the formula are Packet loss, Latency, Jitter and Codec. The MOS provides a numeric indication of the perceived quality of received voice: Satisfied Good: 4.0 < Some Users satisfied: 3.6 - 4.0 Many Users dissatisfied: 3.1 - 3.6 Nearly all users dissatisfied: 2.6 - 3.1 Not recommended: 1.0 - 2.6 |
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