<div style="font-family:Arial;font-size:14px"><p>Gentlemen,<br /><br />I have 3 faxes attached to an Asterisk. Fax - SPA2102 - Asterisk.<br /><br />0851711201 and 0851711290 is on our WAN, no NAT.<br />0197673581 is outside our WAN and needs to be NAT'ed.<br /><br />Sending a fax from 0851711201 to 0851711290, no problem, switches to T38 and fax goes through.<br />Sending a from 0197673581 to 0851711201, no problem as long as i dont enable T38 on 0197673581.<br /><br />But, if i enable T38 on 0197673581, changing t38pt_udptl=no to t38pt_udptl=yes,fec and try to send from 0197673581 to 0851711201, it is not working, switches to T38 sendimg a lot of UDPTL packages but it looks like (at least for me) that addresses are "wrong".<br /><br /> UDPTL (SIP/0197673581): packet from 90.230.92.67:33408 (type 0, seq 0, len 6)<br /> UDPTL (SIP/0851711201): packet from 10.242.20.149:16434 (type 0, seq 0, len 6)<br /> UDPTL (SIP/0197673581): packet from 90.230.92.67:33408 (type 0, seq 0, len 6)<br /> UDPTL (SIP/0851711201): packet from 10.242.20.149:16434 (type 0, seq 0, len 6)<br /><br />90.230.92.67 is WAN ip of 0197673581's router.<br />10.242.20.149 is ip of 0851711201's ATA (SPA2102).<br /><br />Shouldn't the UDPTL stream go through Asterisk?<br />Have i missed sometheng else?<br /><br />Asterisk SVN-trunk-r247652M built by root @ sip on a i686 running Linux on 2010-01-25 11:10:15 UTC<br /><br />[0197673581]<br />secret=xyz<br />callerid=Input Interior Orebro (fax) <0197673581><br />disallow=all<br />allow=alaw:40<br />allowoverlap=yes<br />allowsubscribe=yes<br />callcounter=yes<br />callingpres=allowed_passed_screen<br />canreinvite=no<br />context=inputinterior.se<br />directmedia=no<br />dtmfmode=rfc2833<br />faxdetect=no<br />host=dynamic<br />language=se<br />nat=yes<br />qualify=yes<br />sendrpid=pai<br />t38pt_udptl=no<br />transport=udp<br />trustrpid=yes<br />type=friend<br />videosupport=no<br /><br />[0851711201]<br />secret=xyz<br />callerid=Input Interior Stockholm (fax) <0851711201><br />disallow=all<br />allow=alaw:40<br />allowoverlap=yes<br />allowsubscribe=yes<br />callcounter=yes<br />callingpres=allowed_passed_screen<br />canreinvite=yes<br />context=inputinterior.se<br />directmedia=yes<br />dtmfmode=rfc2833<br />faxdetect=no<br />host=dynamic<br />language=se<br />nat=no<br />qualify=yes<br />sendrpid=pai<br />t38pt_udptl=yes,fec<br />transport=udp<br />trustrpid=yes<br />type=friend<br />videosupport=no<br /><br />[0851711290]<br />secret=xyz<br />callerid=Input Interior Sundbyberg (fax) <0851711290><br />...<br />rest is the same as [0851711201]</p>
<p>Regards,</p>
<p>Magnus</p></div>