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Call Quality Breakdown

The Call Quality Breakdown pie chart shows a rollup of systemwide call quality for the selected time frame. The percentage of all call minutes that fell into each severity range is displayed in the chart.

The call quality data in this chart comes from the Mean Opinion Scores (MOS) of every call leg that was measured within that time frame. MOS values are evaluated according to the Call Quality performance thresholds that are assigned to the Locations where call activity occurred. The thresholds determine which MOS values are rated Normal, Minor, or Major. The threshold values in these severity categories can be customized per Location or assigned automatically per codec.

MOS values do not apply to video streams. Network MOS is not included.

A unique color is assigned to each severity level shown in the pie chart. A legend explains the color assignments. Data that is unrated can indicate that the Minimum Observations threshold for that Location was not met during the selected time frame.