[Freeswitch-users] Jitterbuffer

Dragos Oancea doancea at orange-vallee.net
Thu Nov 12 12:13:44 MSK 2015

Hi Josh,

Use FS master, it has a new audio Jitter Buffer.

Then you can use Opus with this setting in the codec config:
<param name="use-jb-lookahead" value="1"/> .
The other side must be sending FEC so you could profit from it.

You can enable the Jitter Buffer in the dial plan:
<action application="set" data="jitterbuffer_msec=2p:25p:"/>
And then enable PLC :
<action application="set" data="rtp_jitter_buffer_plc=true"/>


On 11/12/2015 07:51 AM, Josh Richesin wrote:
> Hello,
> I am running FreeSwitch for our small Wireless ISP.   Obviously, as a 
> wireless ISP and ITSP, we have a lot of jitter and some packet loss.  
> Have a few questions for this setup.
> 1) What is the best codec to use when there is going to be jitter and 
> some packetloss?
> 2) The ATA's that we are using have adaptive jitter buffers, should I 
> enable jitterbuffer on Freeswitch as well?  If so, should it be via 
> sofia profiles?
> The problem that I am trying to solve is this...
> Our voice customers on our freeswitch have a lot of issues with "calls 
> breaking up"  When they use another voice provider, like say vonage or 
> something running off of a metaswitch, they do not have the same issues.
> Any help with this would be appreciated!  Thanks in advance.
> Josh
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