9-11
Cisco Unified Wireless IP Phone 7925G Administration Guide for Cisco Unified Communications Manager 7.0(1)
OL-15984-01
Chapter 9 Monitoring the Cisco Unified Wireless IP Phone Remotely
Stream Statistics
Related Topic
• Resolving Voice Quality and Roaming, page 10-8
Ta b l e 9-6 Stream Statistics Items
Item Description
RTP Statistics
Domain Name Domain of the phone
Remote Port Port number of the destination
Local Port Port number of the phone
Receiver Joins Number of times the phone has started receiving a stream
Host Name Host name for the phone
Sender Packets Number of RTP voice packets transmitted since voice stream was
opened
Note This number is not necessarily identical to the number of
RTP voice packets transmitted since the call began because
the call might have been placed on hold.
Sender Tool Type of audio encoding used for the stream: G.729, G.711 u-law,
G.711 A-law, or Lin16k
Sender Report Time Internal time stamp indicating when this streaming statistics report
was generated
Receiver Octets Total number of octets received by the phone
Receiver Lost Packets Number of missing RTP packets (lost in transit)
Receiver Reports Number of times this streaming statistics report has been accessed
from the web page (resets when the phone resets)
Voice Quality Metrics
MOS LQK Score that is an objective estimate of the mean opinion score (MOS)
for listening quality (LQK) that rates from 5 (excellent) to 1
(bad).
This score is based on audible concealment events due to frame loss
in the preceding 8-second interval of the voice stream. For more
information, see the
“Resolving Voice Quality and Roaming”
section on page 10-8
Note The MOS LQK score can vary based on the type of codec
that the Cisco
Unified IP Phone uses.
Min MOS LQK Lowest MOS LQK score observed from start of the voice stream
MOS LQK Version Version of the Cisco proprietary algorithm used to calculate MOS
LQK scores
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
Conceal Secs Number of seconds that have concealment events (lost frames) from
the start of the voice stream (includes severely concealed seconds)
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