[asterisk-dev] Jitter Buffer

[John Lange]

On Mon, 2006-10-23 at 12:01 +0200, Pavel Jezek wrote:
> I tried SIP-IAX call, but still not any info about funtional SIP 
> jitterbuffer  :'(
> no console SIP jitterbuffer message, nothing in /tmp, nothing in 
> asterisk/messages

There was a patch recently (after 1.4b3 came out) that fixes this.

> also it would be nice, if we have consistent jb config (jbenable, 
> jbforce etc...) for IAX and other channels

It is consistent. Use the same syntax in all files. What you are using
below for IAX is the old jitterbuffer.

> and also some generic way how to debug/monitor jittterbuffer: like "core 
> jb debug", instead of iax2 jb debug (or instead of sip jb debug etc.)
> PJ
> 
> SVN-branch-1.4-r45928M (with jitterbuffer/plc patch: 
> http://bugs.digium.com/view.php?id=8189)
> 
> my sip.conf
> 
> jbenable=yes
> jbforce=yes
> jbmaxsize=2000
> jbimpl=fixed (adaptive tried too)
> jblog=yes
> 
> iax.conf
> jitterbuffer=yes
> forcejitterbuffer=yes
> maxjitterbuffer=3000
> ;maxjitterinterps=5
> resyncthreshold=-1
> 
> 
> 
> 
> John Lange wrote:
> > As of Revision 45678 there is a small patch that makes it work with
> > jbforce=yes.
> >
> > However, as far as I can tell it never works unless you force it.
> >
> > So for example:
> >
> > PSTN (T1 via Zap) <-> Asterisk 1.4b3 <-> Voip Device
> >
> > The Asterisk <-> Voip Device leg never gets jitter buffer unless
> > forced. 
> >
> > And yes I'm talking about the received audio at the Asterisk side. It is
> > not dejittered.
> >
> > John
> >
> > On Fri, 2006-10-20 at 16:11 +0200, Pavel Jezek wrote:
> >   
> >> I have exactly same problem, no jb log in tmp, no message on console (I 
> >> have verbose set to 3),
> >> and because sound is very choppy using SIP (much worse than with iax), I 
> >> have suspicion, that jitterbuffer is not working/not activated at all.
> >> can somebody look to this?
> >> PJ
> >>
> >>
> >> jbenable=yes
> >> jbforce=yes
> >> jbmaxsize=2000
> >> jbimpl=fixed (adaptive tried too)
> >> jblog=yes
> >>
> >> Asterisk SVN-branch-1.4-r45678
> >>
> >>
> >>
> >>     
> >>>  I'm trying to test the new jitter buffer in 1.4beta2 but have not been
> >>>       
> >> able tell if its working.
> >>
> >> _______________________________________________
> >> --Bandwidth and Colocation provided by Easynews.com --
> >>
> >> asterisk-dev mailing list
> >> To UNSUBSCRIBE or update options visit:
> >>    http://lists.digium.com/mailman/listinfo/asterisk-dev
> >>
> >>     
> >
> >
> > _______________________________________________
> > --Bandwidth and Colocation provided by Easynews.com --
> >
> > asterisk-dev mailing list
> > To UNSUBSCRIBE or update options visit:
> >    http://lists.digium.com/mailman/listinfo/asterisk-dev
> >   
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
> 
> asterisk-dev mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-dev