Cisco DX650 Administration Manual page 211

Item
Voice-Quality Metrics
Cumulative Conceal Ratio
Interval Conceal Ratio
Max Conceal Ratio
Conceal Secs
Severely Conceal Secs
When the RTP Control Protocol is disabled, no data generates for this field and therefore it displays as 0.
Note
For more information, see
Description
Total number of concealment frames divided by total number of speech
frames received from start of the voice stream.
Ratio of concealment frames to speech frames in preceding three-second
interval of active speech. If using voice activity detection (VAD), a
longer interval might be required to accumulate 3 seconds of active
speech.
Highest interval concealment ratio from start of the voice stream.
Number of seconds that have concealment events (lost frames) from
the start of the voice stream (includes severely concealed seconds).
Number of seconds that have more than 5 percent concealment events
(lost frames) from the start of the voice stream.
Cisco Desktop Collaboration Experience Settings, on page
Cisco Desktop Collaboration Experience DX650 Administration Guide, Release 10.1(1)
Streaming Statistics
99.
193