Avaya G430 Manual page 351

Note:
All CLI commands described in this section are available in the general context of the CLI.
Enter show rtp-stat thresholds. For example:
Gxxx-001(super)# show rtp-stat thresholds
Item
--------------------
Codec Loss
Average Codec Loss
Codec RTT
Echo Return Loss
Loss
Average Loss
Remote Loss
Average Remote Loss
RTT
Local Jitter
Remote Jitter
SSRC Changes
The following table describes the QoS metrics on which thresholds are configured, and the
time when each metric is evaluated.
Metric
Codec Loss
Average Codec Loss The average codec loss measurement since
Codec RTT
Echo Return Loss
Loss
Administering Avaya G430 Branch Gateway
Viewing the configured thresholds
Threshold
-------------
6.0%
3.0%
700mS
0dB
6.0%
3.0%
6.0%
3.0%
500mS
50mS
50mS
N/A
QoS metrics
The percentage of time the codec plays fill
frames due to lack of valid RTP frames.
Possible causes include jitter and packet
loss.
the beginning of the RTP stream
An estimation of the overall Round Trip Time
(RTT) on the voice-channel, including the
network delay and internal delays.
RTT is the time taken for a message to get to
the remote peer and back to the local
receiver.
The echo cancellation loss on the TDM bus
The estimated network RTP packet loss.
The VoIP engine evaluates the current
received packet loss every RTCP interval –
usually 5 to 8 seconds. The VoIP engine
postpones loss estimation until the next
interval if the number of packets received is
less than the minimum statistic window. The
minimum statistic window is configured with
Event Threshold
-----------------
1
N/A
2
1
2
N/A
2
N/A
2
2
2
2
Description
Monitoring applications
Evaluation time
Every RTCP interval
At the end of the
session
Each time an RTCP
packet is received
Every RTCP interval
Every RTCP interval
October 2013 351