I have been unable to locate any official ADTRAN documentation which explains the comprehensive results provided by this VQM-related command. The result contains 66 lines of values for each RTP stream. It looks like there is some great information for troubleshooting. Some of these parameters reported are self-explanatory. However, MOST have no definition/explanation provided or available (apparently anywhere!).
The document entitled: "Understanding Call Quality Statistics in AOS" (6AOSRG0005-30A) is no help as it does not contain this this level of information. Likewise, "ADTRAN OPERATING SYSTEM (AOS) Command Reference Guide AOS Version R10.9.0" (60000CRG0-35K) is not helpful.
Is there a document available that provides details on the results of this command?
It sure would be nice to have ONE document that contains details on the output shown below.
RTP stream: XXX.XX.XXX.XX:33266, eth 0/1.XXXX -> XXX.X.XX.XXX:10224, Loopback
RTP is sourced from NPANXXXXXX
To: NPANXXXXXX
From: NPANXXXXXX
Call-ID: 4a03a38-7f000001-13c4-44a7-7da0b72b-44@XX.X.XXX.XXX
CCM-ID: 57, SSRC: 281680964 (0x10ca1c44)
Call-start (duration): 18 May 2015 11:55:22 (7.020 s)
PDV (avg/max): 0/1 ms
CODEC: G.711 u-law, 64000 bps
DSCP: 46
External delay sources:
Round-trip delay (inst/avg/max): 13/13/13 ms
One-way delay (inst/avg/max): 66/70/70 ms
Origination delay (inst/avg/max): unavailable/unavailable/unavailable ms
Termination delay (inst/avg/max): 60/67/70 ms
Quality:
R (LQ/CQ/G.107/Nominal): 93/92/92/93
MOS (LQ/CQ/PQ/Nominal): 4.20/4.18/4.45/4.20
Degradation:
Echo level: 1.56%
Packet loss: 0.00%
Simulated jitter buffer discard: 0.00%
Voice encode/decoder selection: 0.00%
Recency: 0.00%
Delay: 0.00%
Signal level: 0.00%
Noise level: 0.00%
Burst / Gap / Loss:
R-LQ (during burst): 92
Burst count: 0
Avg burst loss rate: 0.00%
Avg burst length: 0 pkts (0 ms)
Burst excess: 0 ms
R-LQ (during gap): 92
Gap count: 1
Avg gap loss rate: 0.00%
Avg gap length: 351 pkts (7.020 s)
Gap excess: 0 ms
Avg loss rate: 0.00%
Avg discard rate: 0.00%
Avg network loss rate: 0.00%
Simulated jitter buffer:
Configuration: Adaptive (min/nom/max): 10/50/200 ms
PPDV (jitter): 0.1 ms
Early threshold: 10.0 ms
Early percentile: P100.00
Early count (under threshold/total): 381/381 pkts
Early peak: 1.0 ms
Late threshold: 50.0 ms
Late percentile: P100.00
Late count (under threshold/total): 0/0 pkts
Late peak: 0.0 ms
Adaptive Increases/Decreases: 0/2
Resyncs: 7
Simulated jitter buffer delay (current/min/max): 40/40/50 ms
Packets (rx/lost/out of seq/duplicate): 382/0/0/0
Packets (early/late): 43/338
Discards (total/overrun/underrun): 0/0/0
Inter-arrival jitter: 0 ms
External Quality Metrics:
External R-LQ in: unavailable
External R-LQ out: unavailable
External R-CQ in: unavailable
External R-CQ out: unavailable
Fax / Modem Metrics:
Estimated throughput: 35000 bps
Reliability index (0-100): 100
Thank you,
Ken
