[Asterisk-Users] Teliax IAX problems -- Asterisk doesn't see answer

[Rob Fugina]

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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