DescriptionItem
Type of voice stream transmitted (RTP streaming audio):
G.729, G.711 u-law, G.711 A-law, G.722, or Lin16k.
Sender Codec Type
Number of bytes of voice packets received since voice stream
was opened.
Receiver Size (Rcvr Size)
Number of bytes of voice packets sent since voice stream was
opened.
Sender Size
Number of RTP voice packets received since voice stream was
opened.
This number is not necessarily identical to the number
of RTP voice packets received since the call began
because the call might have been placed on hold.
Note
Rcvr Packets
Number of RTP voice packets transmitted since voice stream
was opened.
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.
Note
Sender Packets
Estimated average RTP packet jitter (dynamic delay that a
packet encounters when going through the network) observed
since the receiving voice stream was opened.
Avg Jitter
Maximum jitter observed since the receiving voice stream was
opened.
Max Jitter
Number of RTP packets discarded by the receiver.Rcvr Discarded
Missing RTP packets (lost in transit).Rcvr Lost Packets
Voice Quality Metrics
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.
MOS LQK
Average MOS LQK score observed for the entire voice stream.Avg MOS LQK
Lowest MOS LQK score observed from start of the voice
stream.
Min MOS LQK
Baseline or highest MOS LQK score observed from start of
the voice stream.
Max MOS LQK
Cisco Unified IP Conference Phone 8831 Administration Guide for Cisco Unified Communications Manager 9.0
111
Model information, status, and statistics
Call Statistics screen
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