[Asterisk-Users] Problems with IAX2?

[clive18 at webmail.co.za]

Hi

I am also having jitter trouble on IAX2, and I can vouch
that the jitter buffer is busted.

On Wed, 07 Apr 2004 09:56:01 -0400
 Steve Kann <stevek at stevek.com> wrote:
> Andrew Kohlsmith wrote:
> 
> >>Are there open problems/issues with iax2 and jitter
> (quality)?
> >>    
> >>
> >
> >  
> >
> >>Just upgraded to today's dev cvs about an hour ago, and
> it seems the iax
> >>conversations are lower quality then a month or two
> ago. iax2 show firmware
> >>says version 13. (Test call originated from C7960 with
> g711.)
> >>    
> >>
> >
> >I noticed the same thing.  Jitter buffer apparently is
> broken, and has always been.  I was advised to say
> jitterbuffer=no in iax.conf, but I swear it's better with
> it set to yes and then executing "iax2 set jitter 250" in
> the CLI.  At least it was before I cvs up'd.  :-)
> >  
> >
> 
> I found a jitter buffer bug in IAX2 a short while ago.
>  It could potentially lead to misordered frames in
> conversations, and does so quite often when the sender of
> frames is using iaxclient under win9x.   I compensated
> for this with a change in iaxclient, but the problem
> could also happen in asterisk-generated frames.
> 
> 
> See :
>
http://sourceforge.net/mailarchive/forum.php?thread_id=4096021&forum_id=29380
> 
> I don't know if this is the bug people are hitting, or
> not, though.
> 
> 
> 
> >Jeremy (of NuFone fame) has his jitterbuffer=no on his
> servers and since he's my VOIP provider I tend to just
> try and match his setup in terms of IAX2 anyway.  I
> dunno, I do agree with you that it seemed better a while
> ago.
> >
> >Regards,
> >Andrew
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> >  
> >
> 

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