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Table 7-6
Item
MOS LQK Version
Cumulative Conceal Ratio
Interval Conceal Ratio
Max Conceal Ratio
Conceal Secs
Severely Conceal Secs
Latency
Network Protocol
Cisco Unified IP Phone 7962G and 7942G Administration Guide for Cisco Unified Communications Manager 7.0
7-14
Chapter 7
Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone
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.
Estimate of the network latency, expressed in milliseconds.
Represents a running average of the round-trip delay, measured
when RTCP receiver report blocks are received.
Identifies the current Network Protocol—IPv4.
OL-15483-01
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