<p dir="ltr"><br>
Hi!</p>
<p dir="ltr">I have exactly the same problem on asterisk 1.8.22.0 and also on separate 11.2.1 when sending fax to PSTN.<br>
Tryed with spa-3102, spa-2102, Patton Smartnode 4634, and Zoiper softphone.<br>
SpanDsp also works without any problem on my box.</p>
<p dir="ltr">As I remember it was a bug in 1.8.1.x that the a=T38MaxBitRate paramater was sent as "maxBitRate". Without capital "M". </p>
<p dir="ltr"> Are you closer to the solution?<br>
I have tryed almost anything and I don't understand why sends the T38MaxBitRate:2400 parameter.</p>
<p dir="ltr">regards,</p>
<p dir="ltr"> Blaxy<br></p>
<p dir="ltr">> On 06/03/2013 05:03 PM, Larry Moore wrote:<br>
> > Have you checked the installed version of firmware against the latest <br>
> > available from Cisco?<br>
> Oh! I didn't guess to check. The firmware was not fresh, but upgrading <br>
> doesn't help.<br>
> > Looking at your SIP information when your ITSP initiated a T.38 <br>
> > session it did not indicate a maxmimum bitrate, it would appear your <br>
> > spa112 attempted to negotiate a connection at 2400bps.<br>
> Whether there is a way to force my provider to indicate maximum bitrate?<br>
> > Do you have a sip debug session when you sent a fax from your Asterisk <br>
> > box to the PSTN, it would be interesting to see if it sends it as a <br>
> > t.38 or reverts to G711 audio.<br>
> I have collect a set of debugs (with fresh SPA112 firmware) and actual <br>
> config files:<br>
><br>
> == spa112 — cmd ReceiveFax<br>
> <a href="https://gist.github.com/anonymous/5701032">https://gist.github.com/anonymous/5701032</a><br>
><br>
> == cmd SendFax — PSTN<br>
> <a href="https://gist.github.com/anonymous/5701150">https://gist.github.com/anonymous/5701150</a><br>
><br>
> == spa112 — PSTN<br>
> <a href="https://gist.github.com/anonymous/5701207">https://gist.github.com/anonymous/5701207</a><br>
><br>
> == sip.conf<br>
> <a href="https://gist.github.com/anonymous/5701231">https://gist.github.com/anonymous/5701231</a><br>
><br>
> == udptl.conf<br>
> <a href="https://gist.github.com/anonymous/5701247">https://gist.github.com/anonymous/5701247</a><br>
><br>
><br>
</p>