Cisco 7911G - IP Phone VoIP Administration Manual page 199

Chapter 7 Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone
Table 7-6
Item
MOS LQK Version
Cumulative Conceal
Ratio
Interval Conceal Ratio
Max Conceal Ratio
Conceal Secs
Severely Conceal Secs
Cisco Unified IP Phone 7906G and 7911G for Cisco Unified Communications Manager 6.0
OL11954-01
Call Statistics Items (continued)
Description
Version of the Cisco proprietary algorithm used to
calculate MOS LQK scores.
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 3-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.
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