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<p class="MsoNormal">Please disregard this one, I forgot to cancel it.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="mso-fareast-language:DE">Respectfully<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="mso-fareast-language:DE">Dimitry Nagorny<o:p></o:p></span></b></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;mso-fareast-language:DE">Trainee<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="mso-fareast-language:DE">Von:</span></b><span style="mso-fareast-language:DE"> users-bounces@lists.opensips.org [mailto:users-bounces@lists.opensips.org]
<b>Im Auftrag von </b>Nagorny, Dimitry<br>
<b>Gesendet:</b> Montag, 14. März 2016 13:42<br>
<b>An:</b> users@lists.opensips.org<br>
<b>Betreff:</b> [OpenSIPS-Users] OpenSIPS error Malformed Header/failed to generate a HBH ACK<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Good afternoon Ladies and Gentlemen,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m trying to use OpenSIPS as a Border Controller between a PSTN and a FreeSWITCH. The PSTN is sending all SIP-messages through a SIP-trunk.<o:p></o:p></p>
<p class="MsoNormal">I got OpenSIPS working fine from PSTN through OpenSIPS to FreeSWITCH, but the other way around (from FS over OpenSIPS to PSTN), I’m getting an error message I can’t solve.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">As far as I can tell, when OpenSIPS opens up a new branch it is changing internally the headers from the incoming SIP-message from FreeSWITCH into a wrong format and after that it’s throwing two errors:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>ERROR:tm:send_ack: failed to generate a HBH ACK if key HFs in reply missing
<br>
ERROR:tm:reply_received: failed to send ACK (local=no)<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo2">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Here I looked at the relevant code but I can’t tell what it is trying to do in the transaction module<o:p></o:p></p>
<p class="MsoNormal">Additionally this piece of info:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>… SIP/2.0 400 Bad Request..Warning: 399 192.168.1.30 "Malformed headers : From " …<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo2">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>From this somehow I found out that it’s missing the “:“ after From<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Please see the attached config, routing logic, oopensips-errorlog and the sip-trace.<br>
I would very much appreciate it if somebody could give me, at least, a hint how I could fix the problem, because by now I googled these problems for three days now w/o a solution.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks in advance for any help I can get!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:DE">Very Respectfully<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="mso-fareast-language:DE">Dimitry Nagorny<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:8.0pt;mso-fareast-language:DE">Trainee<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;mso-fareast-language:DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;color:#4BA829;mso-fareast-language:DE">robot</span><span style="font-size:8.0pt;color:#004994;mso-fareast-language:DE">5</span><span style="font-size:8.0pt;mso-fareast-language:DE"> GmbH
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<p class="MsoNormal"><span style="font-size:8.0pt;mso-fareast-language:DE">Tel.: +49 6204 704 - 511<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;mso-fareast-language:DE">Fax: +49 6204 704 - 501<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;mso-fareast-language:DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;mso-fareast-language:DE">E-Mail:
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