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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thank you.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>So, I believe that there are two potential problems, fixing either of which will allow me to send faxes.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>When T.38 is enabled in passthrough mode and the B leg offers T.38, Freeswitch needs to forward the invite and the responses. Currently it isn’t forwarding the response back to the B leg.<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>When T.38 is not enabled and the B leg offers T.38, Freeswitch needs to respond with a 488 </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>indicating T.38 is not acceptable. Currently it doesn’t respond at all.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>How would I go about making or requesting these fixes?<br><br>Thank you,<br>Rob<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> David Ponzone [mailto:david.ponzone@ipeva.fr] <br><b>Sent:</b> Wednesday, May 25, 2011 11:11 AM<br><b>To:</b> FreeSWITCH Users Help<br><b>Subject:</b> Re: [Freeswitch-users] Faxing problems if B leg offers T.38<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Rob,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>On my test box, I run a GIT from 05-02, and I don't have any issue.<o:p></o:p></p></div><div><p class=MsoNormal>But I just did the test, and the call flow is different from yours.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>When I send a fax with my endpoint (Zoiper Softphone), I got the remote fax tone, and then my Zoiper sends the T38-REINVITE, not the remote gateway.<o:p></o:p></p></div><div><p class=MsoNormal>So I guess there are 2 possible call flows, because I remember in some circumstances, the remote sends the RE-INVITE.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"'Helvetica Neue'","serif";color:#1C00FF'>David Ponzone </span><span class=apple-style-span><span style='font-size:9.0pt;font-family:"'Helvetica Neue'","serif";color:black'>Direction Technique</span></span><span style='font-size:10.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"'Helvetica Neue'","serif";color:black'>email: <a href="mailto:david.ponzone@ipeva.fr">david.ponzone@ipeva.fr</a></span></span><span style='font-size:10.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"'Helvetica Neue'","serif";color:black'>tel: 01 74 03 18 97</span></span><span style='font-size:10.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"'Helvetica Neue'","serif";color:black'>gsm: 06 66 98 76 34</span></span><span style='font-size:10.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"'Helvetica Neue'","serif";color:#1C00FF'>Service Client<span class=apple-converted-space> </span></span><span style='font-size:10.5pt;font-family:"'Helvetica Neue'","serif";color:red'>IP</span><span style='font-size:10.5pt;font-family:"'Helvetica Neue'","serif";color:#1C00FF'>eva</span><span style='font-size:10.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"'Helvetica Neue'","serif";color:black'>tel: 0811 46 26 26</span></span><span style='font-size:10.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><div><p class=MsoNormal><u><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'><a href="BLOCKED::http://www.ipeva.fr/">www.ipeva.fr</a></span></u><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#656895'> - </span><u><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'><a href="BLOCKED::http://www.ipeva-studio.com/">www.ipeva-studio.com</a></span></u><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='text-align:justify'><i><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:silver'>Ce message et toutes les pièces jointes sont confidentiels et établis à l'intention exclusive de ses destinataires. Toute utilisation ou diffusion non autorisée est interdite. Tout message électronique est susceptible d'altération. <b>IPeva</b> décline toute responsabilité au titre de ce message s'il a été altéré, déformé ou falsifié. Si vous n'êtes pas destinataire de ce message, merci de le détruire immédiatement et d'avertir l'expéditeur.</span></i><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:silver'><o:p></o:p></span></p><p class=MsoNormal style='text-align:justify'><u><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'><o:p><span style='text-decoration:none'> </span></o:p></span></u></p></div></div></div></div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Helvetica","sans-serif";color:black'><br><br></span><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Le 25/05/2011 à 13:18, Rob Morin a écrit :<o:p></o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Is the fact that I was previously running the snapshot from 25 March adequate to meet this test?</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;border-width:initial;border-color:initial'><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span></span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Rob Morin [mailto:rmorin@blie-ent.com]<span class=apple-converted-space> </span><br><b>Sent:</b><span class=apple-converted-space> </span>Tuesday, May 24, 2011 10:50 AM<br><b>To:</b><span class=apple-converted-space> </span>'FreeSWITCH Users Help'<br><b>Subject:</b><span class=apple-converted-space> </span>Re: [Freeswitch-users] Faxing problems if B leg offers T.38</span><o:p></o:p></p></div></div></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I can, if someone can tell me where to get the snapshot. I looked at<span class=apple-converted-space> </span><a href="http://files.freeswitch.org">files.freeswitch.org</a><span class=apple-converted-space> </span>and didn’t see one.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Prior to updating to the 5-17 snapshot, I was having the same problems with the 3-25 snapshot that I was using.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thank you,</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Rob</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;border-width:initial;border-color:initial'><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span></span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>David Ponzone [mailto:david.ponzone@ipeva.fr]<span class=apple-converted-space> </span><br><b>Sent:</b><span class=apple-converted-space> </span>Tuesday, May 24, 2011 1:47 AM<br><b>To:</b><span class=apple-converted-space> </span>FreeSWITCH Users Help<br><b>Subject:</b><span class=apple-converted-space> </span>Re: [Freeswitch-users] Faxing problems if B leg offers T.38</span><o:p></o:p></p></div></div></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Rob,<o:p></o:p></p></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>following Yehavi's comment, could you downgrade your GIT version to a previous version, like one month old ?<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div><div><div><div><div><p class=MsoNormal><span style='font-size:10.5pt'>David Ponzone </span><span class=apple-style-span><span style='font-size:9.0pt'>Direction Technique</span></span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt'>email:</span></span><span class=apple-converted-space><span style='font-size:10.0pt'> </span></span><span class=apple-style-span><span style='font-size:10.0pt'><a href="mailto:david.ponzone@ipeva.fr">david.ponzone@ipeva.fr</a></span></span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt'>tel: 01 74 03 18 97</span></span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt'>gsm: 06 66 98 76 34</span></span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Helvetica","sans-serif";color:black'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.5pt'>Service Client<span class=apple-converted-space> </span>IPeva</span><o:p></o:p></p></div></div><div><div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt'>tel: 0811 46 26 26</span></span><o:p></o:p></p></div></div><div><div><div><p class=MsoNormal><u><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'><a href="BLOCKED::http://www.ipeva.fr/">www.ipeva.fr</a></span></u><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#656895'> - </span><u><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'><a href="BLOCKED::http://www.ipeva-studio.com/">www.ipeva-studio.com</a></span></u><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'> </span><o:p></o:p></p></div></div><div><p class=MsoNormal style='text-align:justify'><i><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:silver'>Ce message et toutes les pièces jointes sont confidentiels et établis à l'intention exclusive de ses destinataires. Toute utilisation ou diffusion non autorisée est interdite. Tout message électronique est susceptible d'altération. <b>IPeva</b> décline toute responsabilité au titre de ce message s'il a été altéré, déformé ou falsifié. Si vous n'êtes pas destinataire de ce message, merci de le détruire immédiatement et d'avertir l'expéditeur.</span></i><o:p></o:p></p><p class=MsoNormal style='text-align:justify'><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'> </span><o:p></o:p></p></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'> <o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><div><div><p class=MsoNormal>Le 24/05/2011 à 02:59, Rob Morin a écrit :<o:p></o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'> <o:p></o:p></p><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>David,</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>It isn’t the ATA. I’ve tried both the Grandstream HandyTone 502 and Cisco/Linksys SPA 2102. Same story in both cases.</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I had my carrier help me troubleshoot and we can see the SIP request from the carrier come in. When T.38 is enabled, it is forwarded to the A leg, but the response from the A leg isn’t forwarded back to the B leg. I can produce traces that show this.</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>When T.38 isn’t enabled, the B leg is sending a T.38 reinvite. FS doesn’t respond or forward it. So the connection dies. I have every reason to believe that I’d be able to send the fax if FS would respond with a 488 indicating T.38 is not acceptable. But instead, all I get is silence. Again, I can produce traces that demonstrate this.</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>There’s another similar email trail out there,<span class=apple-converted-space> </span><a href="http://freeswitch-users.2379917.n2.nabble.com/T-38-via-UPDATE-request-td3821994.html">http://freeswitch-users.2379917.n2.nabble.com/T-38-via-UPDATE-request-td3821994.html</a>, but I’m not certain that they’re related.</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thank you for your help!<br>Rob</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div></div><div><div style='border:none;border-top:solid windowtext 3.0pt;padding:3.0pt 0in 0in 0in;border-width:initial;border-color:initial;border-width:initial;border-color:initial'><div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span></span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>David Ponzone [mailto:david.ponzone@ipeva.fr]<span class=apple-converted-space> </span><br><b>Sent:</b><span class=apple-converted-space> </span>Monday, May 23, 2011 6:11 PM<br><b>To:</b><span class=apple-converted-space> </span>FreeSWITCH Users Help<br><b>Subject:</b><span class=apple-converted-space> </span>Re: [Freeswitch-users] Faxing problems if B leg offers T.38</span><o:p></o:p></p></div></div></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>Rob,<o:p></o:p></p></div></div><div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal>perhaps you should not consider T38 is 100% interoperable.<o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal>You may tell us what ATA is that, because some of them are nice piece of junk.<o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><div><div><div><p class=MsoNormal><span style='font-size:10.5pt'>David Ponzone </span><span class=apple-style-span><span style='font-size:9.0pt'>Direction Technique</span></span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt'>email:</span></span><span class=apple-converted-space><span style='font-size:10.0pt'> </span></span><span class=apple-style-span><span style='font-size:10.0pt'><a href="mailto:david.ponzone@ipeva.fr">david.ponzone@ipeva.fr</a></span></span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt'>tel: 01 74 03 18 97</span></span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt'>gsm: 06 66 98 76 34</span></span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Helvetica","sans-serif";color:black'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:10.5pt'>Service Client<span class=apple-converted-space> </span>IPeva</span><o:p></o:p></p></div></div></div><div><div><div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt'>tel: 0811 46 26 26</span></span><o:p></o:p></p></div></div></div><div><div><div><div><p class=MsoNormal><u><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'><a href="BLOCKED::http://www.ipeva.fr/">www.ipeva.fr</a></span></u><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#656895'> - </span><u><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'><a href="BLOCKED::http://www.ipeva-studio.com/">www.ipeva-studio.com</a></span></u><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'> </span><o:p></o:p></p></div></div></div><div><p class=MsoNormal style='text-align:justify'><i><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:silver'>Ce message et toutes les pièces jointes sont confidentiels et établis à l'intention exclusive de ses destinataires. Toute utilisation ou diffusion non autorisée est interdite. Tout message électronique est susceptible d'altération. <b>IPeva</b> décline toute responsabilité au titre de ce message s'il a été altéré, déformé ou falsifié. Si vous n'êtes pas destinataire de ce message, merci de le détruire immédiatement et d'avertir l'expéditeur.</span></i><o:p></o:p></p><p class=MsoNormal style='text-align:justify'><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#0022F3'> </span><o:p></o:p></p></div></div></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.5pt;font-family:"Helvetica","sans-serif";color:black'><br><br><br></span><o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><div><div><p class=MsoNormal>Le 23/05/2011 à 20:51, Rob Morin a écrit :<o:p></o:p></p></div></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br><br><br><o:p></o:p></p></div><div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I’m having problems faxing if the B leg offers T.38. Several scenarios, but always the same result.</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>First, the architecture</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>FAX<span class=apple-converted-space> </span></span><span style='font-size:11.0pt;font-family:Wingdings'>à</span><span class=apple-converted-space><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>ATA (T.38 optional)<span class=apple-converted-space> </span></span><span style='font-size:11.0pt;font-family:Wingdings'>à</span><span class=apple-converted-space><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>FS<span class=apple-converted-space> </span></span><span style='font-size:11.0pt;font-family:Wingdings'>à</span><span class=apple-converted-space><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Carrier <span class=apple-converted-space> </span></span><span style='font-size:11.0pt;font-family:Wingdings'>à</span><span class=apple-converted-space><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Destination (Possibly another carrier (PSTN) and the fax machine)</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>On my ATA, T.38 is enabled (Auto Detect).</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>If the destination supports T.38, the Carrier will offer it to Freeswitch. If the Destination doesn’t support T.38, the B leg doesn’t offer it and the faxes go through.</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I’ve set Freeswitch as:</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <action application="set" data="fax_enable_t38=true"/></span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <action application="export" data="t38_passthru=true"/> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>When that’s the case, and the B leg offers T.38, Freeswitch passes through the offer and the ATA responds, 3 times. But the response never gets sent to the B leg, so it terminates the call after about 30 seconds.</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>When I set Freeswitch as:</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <action application="set" data="fax_enable_t38=false"/></span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>The B leg still offers T.38 if its other side is capable. Freeswitch doesn’t pass the offer through and the B leg terminates the call after about 30 seconds.</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I’m running on a recent git ( FreeSWITCH Version 1.0.head (git-86d757d 2011-05-17 22-51-47 -0500) ).</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I’ve had no success attempting to configure FS as a gateway. Frankly, T.38 “passthrough” has had the most success, mostly when the other ends aren’t T.38 capable and it stays in G711u.</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Is there something else I need to do to enable T.38 in passthrough mode? </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Thank you,<br>Rob Morin</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>PS – I can provide tcpdumps of this, or whatever else is necessary.</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div><div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'>_______________________________________________<br>FreeSWITCH-users mailing list<br><a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users<br><a href="http://www.freeswitch.org">http://www.freeswitch.org</a></span><o:p></o:p></p></div></div></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'>_______________________________________________<br>FreeSWITCH-users mailing list<br><a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users<br><a href="http://www.freeswitch.org">http://www.freeswitch.org</a></span><o:p></o:p></p></div></div></div><div><p class=MsoNormal> <o:p></o:p></p></div></div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'>_______________________________________________<br>FreeSWITCH-users mailing list<br><a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users<br><a href="http://www.freeswitch.org">http://www.freeswitch.org</a><o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>