[Freeswitch-users] Opus packet loss

Terry C infinite3219 at gmail.com
Fri Mar 12 03:24:37 UTC 2021


We use FreeSwitch 1.10.5 with Opus audio for clients. We target voice
quality to be wideband. The config settings are below. We also set a jitter
buffer in the dialplan.

Is there a downside to increasing the packet loss percent to 40-50% other
than using more bandwidth? Is there a voice quality impact if you set it
too high (what would be considered too high)?


<param name="use-vbr" value="1"/>
<param name="use-dtx" value="1"/>
<param name="complexity" value="10"/>
<param name="packet-loss-percent" value="30"/>
<param name="keep-fec-enabled" value="1"/>
<param name="use-jb-lookahead" value="1"/>
<param name="maxaveragebitrate" value="40000"/>
<param name="maxplaybackrate" value="16000"/>
<param name="sprop-maxcapturerate" value="16000"/>
<param name="adjust-bitrate" value="1"/>
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