[Asterisk-Users] Problems with IAX2?

[Rich Adamson]

Yes, the system has two x100p's that have been working fine for months,
along with iax2 links to three different locations. The iax-to-7960 problem 
only recently appeared. It's still there with this mornings cvs.

------------------------
> > It appears this bug has been closed by Mark as resolved yesterday. I don't 
> > believe it actually is resolved as yet.
> 
> 	Do your endpoints had a Zap timing source ?
> 	Becasue a I noted the same problem with a new CVS I´m using to test
> which is connected thru IAX2 to a production * which trunks to PSTN.
> Since I don´t have a Zap device on my test box I installed zaprtc and
> the jitter improved, maybe Zaptel timers improve syncing between PBX.
> 	Also I believe if one of the peers is using VAD or Silence Suppresion
> it could hurt jitter measures.
> 
> > I upgraded to dev cvs this morning (CVS-04/06/04-07:59:20 CDT) and connections
> > via C7960 and IAX2 to the * demo are less then acceptable. Very choppy, sound 
> > disappears for multiple seconds, some sounds repeat within a short period of 
> > time (almost like an echo). I'm also hearing the same to other * machines
> > for which we have iax connections (not just the demo server).
> > 
> > Tested with both a C7960 (v6.3) and Snom 200 (v2.03o). The Snom reproduces very
> > acceptable iax audio, while the 7960 on the same wire is far from usable.
> > I tested both phones using g711 and g729 codecs; Snom was good with either
> > codec while the 7960 was bad with either codec.
> > 
> > I downgraded the 7960 to v6.0 and had the exact same quality problem.
> 
> -- 
> Juanjo sin .sig
> 
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