[Asterisk-Users] Help with IAX , voice Distortion or Breakage.

Steven Critchfield critch at basesys.com
Mon May 24 08:05:31 MST 2004


On Mon, 2004-05-24 at 09:39, Alexey Ostrovsky wrote:
> Steven Critchfield wrote:
> 
> >On Mon, 2004-05-24 at 08:27, Alexey Ostrovsky wrote:
> >>When calling via iax, the sound is off after a while - most often after 
> >>about 5 minutes (sometimes later or earlier) - at one end or at both 
> >>ends. While the channel is up, and packages are still being transmitted, 
> >>you just can't hear anything. Sometimes you can hear something just a 
> >>little, but with the voice greatly distorted, sounding like a robot's 
> >>voice.
> >>This problem emerges whichever phone is called or whichever phone a call 
> >>is made from (softphone, ipphone, local phones thru TDM cards)

> >>- Asterisk last cvs update
> >>- 3 TDM400 cards 
> >>- codec g729 voiceage
> >>
> >Can you verify you are using g729. Also what kind of network are you
> >doing the IAX call over? What else is on the network at the time of the
> >call.
> >
> >Most of what you say sounds a lot like you are running short of
> >bandwidth. Sounds like the classic problem of running out of the
> >buffered content and decoding what you have when you get it. 
> >
> Yes of course  I am  using   g729b  codec.
> I have  SHDSL  line  with 128 bit/c bandwidth.
> Nothing else  on the network in testing time.

I guess I should have been more specific in asking you to provide a
actual call log so we can see for sure that asterisk choose to use the
G729 codec. It also may shed light on the problem in case it is
something else.  
-- 
Steven Critchfield  <critch at basesys.com>




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