Cisco CP-7940G-CH1 Administration Guide - Page 107

G.729 A /AB gives 3.7, Severely Conceal Secs

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Chapter 7 Monitoring the Cisco Unified IP Phone Remotely Streaming Statistics Table 7-6 Streaming Statistics Area Items (continued) Item Description Max MOS LQK Baseline or highest MOS LQK score observed from start of the voice stream. These codecs provide the following maximum MOS LQK score under normal conditions with no frame loss: • G.711 gives 4.5 • G.729 A /AB gives 3.7 MOS LQK Version Version of the Cisco proprietary algorithm used to calculate MOS LQK scores. Cmltve Conceal Ratio Total number of concealment frames divided by total number of speech frames received from start of the voice stream. Interval Conceal Ratio 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. Max Conceal Ratio Highest interval concealment ratio from start of the voice stream. Conceal Secs Number of seconds that have concealment events (lost frames) from the start of the voice stream (includes severely concealed seconds). Severely Conceal Secs Number of seconds that have more than 5 percent concealment events (lost frames) from the start of the voice stream. OL-15498-01 Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP) 7-13

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7-13
Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP)
OL-15498-01
Chapter 7
Monitoring the Cisco Unified IP Phone Remotely
Streaming Statistics
Max MOS LQK
Baseline or highest MOS LQK score observed from start of the voice stream.
These codecs provide the following maximum MOS LQK score under normal
conditions with no frame loss:
G.711 gives 4.5
G.729 A /AB gives 3.7
MOS LQK Version
Version of the Cisco proprietary algorithm used to calculate MOS LQK
scores.
Cmltve Conceal Ratio
Total number of concealment frames divided by total number of speech
frames received from start of the voice stream.
Interval Conceal Ratio
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.
Max Conceal Ratio
Highest interval concealment ratio from start of the voice stream.
Conceal Secs
Number of seconds that have concealment events (lost frames) from the start
of the voice stream (includes severely concealed seconds).
Severely Conceal Secs
Number of seconds that have more than 5 percent concealment events (lost
frames) from the start of the voice stream.
Table 7-6
Streaming Statistics Area Items (continued)
Item
Description