asterisk users - Oct 2005 - Teliax IAX problems -- Asterisk doesn't see answer

Not to point the finger at Teliax, but I'm having some unique problems with
their service that are as yet unexplained.

Incoming calls are fine.

Outgoing calls don't work, though they did at one time. As of today, I'm
running the latest code from CVS.

-- Called teliax/13143212222
-- Call accepted by 208.139.204.245 <http://208.139.204.245> (format ulaw)
-- Format for call is ulaw
-- IAX2/teliax-18 is making progress passing it to IAX2/iay1-17
-- Hungup 'IAX2/teliax-18'

I can see from a tethereal network dump that Teliax is sending an ANSWER,
but Asterisk never notices. Teliax starts sending audio. The callee gets
audio. The caller gets nothing.

I can make the same call through Nufone, and it works fine. Asterisk sees
the ANSWER.

But the network trace differs significantly between Nufone and Teliax. With
Nufone, I see RINGING, 'stop sounds', then ANSWER. With Teliax, I
don't see
the RINGING frame or 'stop sounds' frame at all.

I don't know enough about the IAX protocol to know where the real problem
here is. Can anyone help? What other info can I provide that would help
diagnose?

Thanks,
Rob
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I've been trying to diagnose the same problem with teliax, and it seems
to be a jitterbuffer problem. Since turning it off, we've not had a problem.

My guess is that teliax servers are not current code, or they've modified
the code for some reason.

The tech that I corresponded with suggested 'gsm' was the culprit, but I
had the same issues with g729, ilbc, etc.

Try jitterbuffer=no in the appropriate section of your iax.conf and restart
asterisk.

------------------------
> Not to point the finger at Teliax, but I'm having some unique problems
with their service that
are as yet unexplained.
> 
> Incoming calls are fine.
> 
> Outgoing calls don't work, though they did at one time.  As of today,
I'm running the latest
code from CVS.
> 
>     -- Called teliax/13143212222
>     -- Call accepted by 208.139.204.245 (format ulaw)
>     -- Format for call is ulaw
>     -- IAX2/teliax-18 is making progress passing it to IAX2/iay1-17
>     -- Hungup 'IAX2/teliax-18'
> 
> I can see from a tethereal network dump that Teliax is sending an ANSWER,
but Asterisk never
notices.  Teliax starts sending
> audio.  The callee gets audio.  The caller gets nothing.
> 
> I can make the same call through Nufone, and it works fine.  Asterisk sees
the ANSWER.
> 
> But the network trace differs significantly between Nufone and Teliax. 
With Nufone, I see
RINGING, 'stop sounds', then
> ANSWER.  With Teliax, I don't see the RINGING frame or 'stop
sounds' frame at all.
> 
> I don't know enough about the IAX protocol to know where the real
problem here is.  Can anyone
help?  What other info can I
> provide that would help diagnose?
> 
> Thanks,
> Rob
---------------End of Original Message-----------------

Try this

http://www.voip-info.org/wiki/view/Asterisk+Teliax

  ----- Original Message ----- 
  From: Rob Fugina 
  To: asterisk-users@lists.digium.com 
  Sent: Monday, October 17, 2005 5:14 PM
  Subject: [Asterisk-Users] Teliax IAX problems -- Asterisk doesn't see
answer


  Not to point the finger at Teliax, but I'm having some unique problems
with their service that are as yet unexplained.

  Incoming calls are fine.

  Outgoing calls don't work, though they did at one time.  As of today,
I'm running the latest code from CVS.

      -- Called teliax/13143212222
      -- Call accepted by 208.139.204.245 (format ulaw)
      -- Format for call is ulaw
      -- IAX2/teliax-18 is making progress passing it to IAX2/iay1-17
      -- Hungup 'IAX2/teliax-18'

  I can see from a tethereal network dump that Teliax is sending an ANSWER, but
Asterisk never notices.  Teliax starts sending audio.  The callee gets audio. 
The caller gets nothing.

  I can make the same call through Nufone, and it works fine.  Asterisk sees the
ANSWER.

  But the network trace differs significantly between Nufone and Teliax.  With
Nufone, I see RINGING, 'stop sounds', then ANSWER.  With Teliax, I
don't see the RINGING frame or 'stop sounds' frame at all.

  I don't know enough about the IAX protocol to know where the real problem
here is.  Can anyone help?  What other info can I provide that would help
diagnose?

  Thanks,
  Rob



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