Cisco 7971G-GE - IP Phone VoIP Administration Manual page 161

Chapter 8 Monitoring the Cisco Unified IP Phone Remotely
Table 8-5
Item
Min MOS LQK
Max MOS LQK
MOS LQK Version
Cmltve Conceal Ratio
Interval Conceal Ratio
Max Conceal Ratio
Conceal Secs
Severely Conceal Secs
1. When the RTP Control Protocol is disabled, no data generates for this field and thus displays as 0.
Related Topics
"Configuring Settings on the Cisco Unified IP Phone"
•
"Configuring Features, Templates, Services, and Users"
•
"Call Statistics Screen" section on page 7-13
•
"Monitoring the Voice Quality of Calls" section on page 9-15
•
Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 7.0
OL-15299-01
Streaming Statistics Area Items (continued)
Description
Lowest MOS LQK score observed from start of the voice stream.
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
•
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.
Streaming Statistics
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