[Asterisk-Users] Teliax users, g729 question

[John Reynolds]

On 10/8/05, Rich Adamson <radamson at routers.com> wrote:
> > I am using Teliax to terminate my calls, and I have 3 licenses' for
> > g729 from Digium. "show translations" verifies that the registration
> > took place.
> >
> > When I place a call, having "allow=g729" as the only allow option in
> > iax.conf, I get the following error:
> >
> > WARNING[361]: chan_iax2.c:6017 socket_read: Call rejected by
> > 208.139.204.228: Unable to negotiate codec
> >
> > If I place a call with g726 as the only allow line, then the call
> > completes as desired. I realize I could just use that (g726), but
> > it seems odd that I cannot connect using g729 when both of us support
> > it.
> >
> > I have checked, double checked, triple checked my account with teliax,
> > and made sure that the g729 box is checked for both sip and iax. I
> > have also contacted support, they have responded, but not with
> > anything that would be considered helpful.
> >
> > My question then to you all is this: Are you connecting to Teliax via
> > g729? if so, how... what are you doing that I might be missing?
> >
> > Your guidance will be most appreciated.
>
> I just tried g729 with teliax this morning. It worked fine in both
> directions using three different did's from them.  I did have one
> test call where audio was one way though.
>
> During those test calls I watched the CLI and the calls definitely
> were g729 without a doubt. I used the exact same teliax server you
> show above.
>
> I'm running cvs-head from yesterday.
>
> If you do a iax2 debug, you should be able to spot which system is
> not compat with g729. That should lead you into diagnosing the
> problem a little deeper.
>

Rich,

Thanks for taking the time to check and respond, and for your advise.

I did as you said, and here is the output:

============================
pbx*CLI> iax2 debug
IAX2 Debugging Enabled
Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: IAX     Subclass: NEW
   Timestamp: 00016ms  SCall: 00002  DCall: 00000 [208.139.204.228:4569]
   VERSION         : 2
   CALLED NUMBER   : 1917XXXXXXXX   (I XXX out the number)
   CODEC_PREFS     : (g729)
   CALLING NUMBER  : 4401
   CALLING PRESNTN : 0
   CALLING TYPEOFN : 0
   CALLING TRANSIT : 0
   CALLING NAME    : John Reynolds
   LANGUAGE        : en
   USERNAME        : reynj
   FORMAT          : 256
   CAPABILITY      : 63744
   ADSICPE         : 2
   DATE TIME       : 189432385

Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 001 Type: IAX     Subclass: AUTHREQ
   Timestamp: 00003ms  SCall: 00073  DCall: 00002 [208.139.204.228:4569]
   AUTHMETHODS     : 2
   CHALLENGE       : 303570605
   USERNAME        : reynj

Tx-Frame Retry[000] -- OSeqno: 001 ISeqno: 001 Type: IAX     Subclass: AUTHREP
   Timestamp: 00080ms  SCall: 00002  DCall: 00073 [208.139.204.228:4569]
   MD5 RESULT      : 6006ef53daa295d58f5292837a4edb60

Rx-Frame Retry[ No] -- OSeqno: 001 ISeqno: 002 Type: IAX     Subclass: REJECT
   Timestamp: 00060ms  SCall: 00073  DCall: 00002 [208.139.204.228:4569]
   CAUSE           : Unable to negotiate codec
   CAUSE CODE      : 58

Oct 10 16:18:03 WARNING[364]: chan_iax2.c:6017 socket_read: Call
rejected by 208.139.204.228: Unable to negotiate codec
=================

I am I wrong in thinking that I my call is trying to connect via g729,
but that Teliax is rejecting it?

Thank you,
JR