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Guaranteeing user Quality of Experience is challenging for video applications. For one thing, it is hard to measure your success in delivering high-quality video. Video has no widely accepted quality standard equivalent to the MOS for audio. Video quality is more subjective than audio quality, and it is complicated to implement.
Video quality thresholds are available only from a Microsoft Enterprise Voice environment.
The default video quality threshold contains the following metrics, each of which has its own thresholds. UC Monitor triggers incidents when metrics exceed these thresholds.
|
Metric |
Default Threshold |
Minimum Observations |
|---|---|---|
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Video latency |
150 ms 400 ms |
15 call minutes |
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Video packet loss |
1 percent (Degraded) 5 percent (Excessive) |
15 call minutes |
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Video frame loss |
1 percent (Degraded) 5 percent (Excessive) |
15 call minutes |
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Frozen video |
1 percent (Degraded) 5 percent (Excessive) |
15 call minutes |
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