Huawei AR1200 Series Configuration Manual - Voice page 48

Huawei AR1200 Series Enterprise Routers
Configuration Guide - Voice
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Setting RTCP Parameters
This section describes how to set RTP control protocol (RTCP) parameters.
Context
RTCP monitors the quality of service and conveys information about participants in an on-going
session. RTCP periodically sends packets to all the participants in the session to monitor the
quality of service and obtain identity information about the participants.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
voice
The voice view is displayed.
Step 3 Run:
dsp
The DSP view is displayed.
Step 4 Run the following commands as required.
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Setting DSP Resource Parameters
This section describes how to set DSP resource parameters.
Issue 03 (2011-09-30)
The redundancy payload type value of a DSP channel is set.
Run:
payload-type vbd vbd-value
The VBD payload type value of a DSP channel is set.
Run:
rtcp rtcp-interval rtcp-interval
The interval at which a DSP channel sends RTCP packets is set.
Run:
rtcp rtcpxr enable
The RTP Control Protocol Extended Reports (RTCP XR) function is enabled.
Run:
rtcp sev-degradethreshold sev-degradethresholdval
The threshold for the number of severe degrade seconds is set.
Run:
rtcp vqm enable
The Voice Quality Monitor (VQM) function is enabled.
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