[Asterisk-Users] SOLVED: IAX jitter / clocking problem

[Andy Kuo]

Hi,

I too would like to set a minimum jitterbuffer value, and that seems
to mean that I need to use the old jitterbuffer implementation.
Have you compared the 2 implementations?  What are the advantages of
using the new one and what are the disadvantages of using the old one?

Thanks.
Andy


On 6/30/06, Pavel Jezek <pavel.jezek at i.cz> wrote:
> I found my mistake jiterbuffer=yes vs. jitterbuffer=yes  ;-)
> currently I have this settings, and seems this working quite well,
> only sometimes gaps appears, when jitter changes too much eg. >500ms -
> jitterbuffer probably can't adapt so quick,
> maybe good idea to set some minimum jitterbuffer value, but this is not
> possible in current new jitterbuffer implemenation
> PJ
>
> jitterbuffer=yes
> forcejitterbuffer=yes
> maxjitterbuffer=1500
> maxjitterinterps=10
> resyncthreshold=2000
>
>
>
> Pavel Jezek wrote:
> > hello, I'm still trying to tune iax jitterbuffer in asterisk 1.2.9.1,
> > but without success,
> > I'm using idefisk->asterisk over cdma network, where rtt is about
> > 100-500ms, so jitter about 400ms
> > but sound is very jerky, in diection idefisk->asterisk, in reverse
> > direction is sound relatively smoth,
> > so, my question:
> > has iax same problem as in sip/rtp, where packets are generated along
> > incomming packets (what is probably solved in trunk with:
> > http://bugs.digium.com/view.php?id=5374
> > 0005374: [patch] Asynchronous generation of outgoing frames when
> > timing device available
> >
> > my iax jitterbuffer settings (iax.conf):
> > [general]
> > jiterbuffer=yes
> > forcejitterbuffer=yes
> > maxjitterbuffer=1500
> > resyncthreshold=-1
> >
> > thanks for suggestions ;-)
> > PJ
> >
> >
> >
> >
> >
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