DescriptionItem
Last time at which an RTCP Sender Report was received.Sender Report Time Received
(see note)
RTP packet size, in milliseconds, for the received stream.Rcvr Size
RTP packets received from network but discarded from jitter buffers.Rcvr Discarded
Number of times RTCP Receiver Reports have been received.Rcvr Reports Received
(see note)
Last time at which an RTCP Receiver Report was received.Rcvr Report Time Received
(see note)
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. For more information, see Voice Quality
Monitoring, on page 232.
The MOS LQK score can vary based on the type of codec that the Cisco
Unified IP Phone uses.
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.
These codecs for the Cisco Unified IP Phones 7962G and 7942G provide the
following maximum MOS LQK score under normal conditions with no frame
loss:
•
G.711 gives 4.5
•
G.722 gives 4.5
•
G.728/iLBC gives 3.9
•
G.729 A/AB gives 3.8
These codecs for the Cisco Unified IP Phones 7961G/G-GE and 7941G/G-GE
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
Max MOS LQK
Cisco Unified IP Phone 7941G, 7941G-GE, 7942G, 7961G, 7961G-GE, and 7962G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
207
Remote Monitoring
Streaming Statistics