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<tt>Hi Dimitry!<br>
<br>
That errors suggests the "From" Header Field of the 400 negative
reply is missing! Best way to continue from here is to perform a
SIP trace on this scenario, so you can confirm this yourself
before starting to fix it.<br>
</tt>
<pre class="moz-signature" cols="72">Liviu Chircu
OpenSIPS Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
<div class="moz-cite-prefix">On 15.03.2016 14:48, Nagorny, Dimitry
wrote:<br>
</div>
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<div class="WordSection1">
<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. (Info: There are NO phones registered with
OpenSIPS or FreeSWITCH, they are all on the PSTN, I need
OpenSIPS only to guide traffic to either my FreeSWITCH
mediaserver or tot he Aus @ PBX.)<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 lfo1"><!--[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 lfo1">
<!--[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="MsoListParagraph"
style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0
level2 lfo1">
<!--[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]-->As well I couldn’t find
info about the abbreviation „HBH“ or „HF“<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 lfo1"><!--[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 lfo1">
<!--[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 files for more
info.<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. I
can’t attach the full debug, the mail list blocks the size of
it (17KB…). I’ll attach it to an answer.<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
<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"><u><span
style="font-size:8.0pt;mso-fareast-language:DE">_____________________________________________________________<o:p></o:p></span></u></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;color:#7F7F7F;mso-fareast-language:DE"
lang="EN-US">This message is confidential and may contain
privileged information.<br>
If you are not the above named addressee or authorized to
receive this<br>
message on behalf of the addressee, please advise the sender
immediately<br>
and delete this message. Any unauthorized copying,
disclosure or<br>
distribution of the information in this e-mail is strictly
forbidden.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<br>
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</pre>
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