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

[Adam Moffett]

----- Original Message -----

>     *From:* Rob Fugina <mailto:rob.fugina at gmail.com>
>     *To:* asterisk-users at lists.digium.com
>     <mailto:asterisk-users at 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 <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
>

I think I'm having a very similar issue.   Does setting jitterbuffer=off 
in iax.conf make the problem go away?