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Call Quality Thresholds

The default call quality threshold contains the following metrics, each of which has its own thresholds. UC Monitor triggers incidents when metrics exceed or fail to meet these thresholds.

Metric

Default Thresholds

Minimum Observations

MOS

The administrator sets one of the following thresholds as the default:

  • The default threshold for the codec in use
  • 4.03 (Degraded)
    3.6 (Excessive)

15 call minutes

Network MOS

The administrator sets one of the following thresholds as the default:

  • The default threshold for the codec in use
  • 4.03 (Degraded)
    3.6 (Excessive)

15 call minutes

Packet loss

1 percent (Degraded)

5 percent (Excessive)

15 call minutes

Jitter buffer loss

1 percent (Degraded)

5 percent (Excessive)

15 call minutes

Latency

150 ms

400 ms

15 call minutes

ACOM

15 decibels

6 decibels

15 call minutes

More information:

Call Quality Metrics

Mean Opinion Scores