[Freeswitch-users] audio glitches/clicks when using jitterbuffer with GSM

[Christian Tari]

Hi,

Im having problems with jitterbuffer when transcoding from GSM to PCMa. On
the incoming (GSM) side we have mobile devices using 3G network and
generating jitter and packet loss.
If a packet arrives late or lost, it gets replaced by a high pitch noise on
the output (PCMa) stream.

I've tested with other codecs (pcmu,opus) on A leg which worked fine.

Settings in dialplan:
<action application="set" data="rtp_jitter_buffer_during_bridge=true"/>
<action application="set" data="jitterbuffer_msec=200:200:160"/>

Log,trace,audio are in ticket #5511<http://jira.freeswitch.org/browse/FS-5511>

Could you give me some hints how to make it work?

Thanks in advance,
Christian
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