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<p>Hello,</p>
<p>not sure I got it, so to clarify: the problem is made by the 100
Trying arriving at the endpoint after 180 Ringing?<br>
</p>
Cheers,<br>
Daniel<br>
<br>
<div class="moz-cite-prefix">On 07.02.18 14:08, Matteo Campana
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAE_4u=NVwx88tJFex6KM95MEOrCS-5_xKWnVK77uEprDhzA-6Q@mail.gmail.com">
<div dir="ltr">
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>Dear
Kamailians,</span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt"><font
face="Calibri, sans-serif"><span style="font-size:14.6667px">does
anyone have any idea on the issue below?</span></font><br>
</p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span
style="font-size:11pt">Alessio told me that is always
reproducible, and he can also provide captures and more
logs. </span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span
style="font-size:11pt"><br>
</span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span
style="font-size:11pt">Thanks in advance!</span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span
style="font-size:11pt">Matteo </span><br>
</p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span><br>
</span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><br>
</p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span><br>
</span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><a
name="m_-4609932790304289415__MailOriginal"
moz-do-not-send="true"><b><span
style="font-size:12pt;color:black">From: </span></b></a><span><span
style="font-size:12pt;color:black">sr-users <<a
href="mailto:sr-users-bounces@lists.kamailio.org"
target="_blank" moz-do-not-send="true">sr-users-bounces@lists.<wbr>kamailio.org</a>>
on behalf of Alessio Miranda <<a
href="mailto:smirolandia@gmail.com" target="_blank"
moz-do-not-send="true">smirolandia@gmail.com</a>><br>
<b>Reply-To: </b>"Kamailio (SER) - Users Mailing List"
<<a href="mailto:sr-users@lists.kamailio.org"
target="_blank" moz-do-not-send="true">sr-users@lists.kamailio.org</a>><br>
<b>Date: </b>Tuesday, 16 January 2018 at 14:18<br>
<b>To: </b>"<a href="mailto:sr-users@lists.kamailio.org"
target="_blank" moz-do-not-send="true">sr-users@lists.kamailio.org</a>"
<<a href="mailto:sr-users@lists.kamailio.org"
target="_blank" moz-do-not-send="true">sr-users@lists.kamailio.org</a>><br>
<b>Subject: </b>[SR-Users] Blind Transfer WS Error<span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span><span> </span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>Hi,<span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span><span> </span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>I
have a problem with the blind transfer via WebSocket,<span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>debugging
from the browser we see that in some cases when the REFER
is <span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>done
and the sip message "202 Accepted" arrives, <span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>the
message "180 Ringing" arrives first and then the "100
Trying" <span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>and
the transfer goes in error with "500 JsSIP Internal Error"<span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span><span> </span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>I
have an architecture with Kamailio in frontend and
asterisk in backend <span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>on
the same network, the sip dialogue between FE and BE is in
SIP / UDP.<span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>The
WebRTC client connects to WebSocket at Kamailio's public
address.<span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span><span> </span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>We
have verified that the sip messages exchanged between
kamailio and <span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>asterisk
are always correct.<span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span><span> </span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>Kamailio
Ver. 4.4.4<span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>Asterisk
Ver. 13.18.3<span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>PJSIP
Ver. 2.6<span></span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span><span>JSSIP
Ver. 3.2.2<br>
<br>
Thanks<br>
Alessio</span></span><span><span></span></span></p>
<br>
</div>
<br>
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<pre wrap="">_______________________________________________
Kamailio (SER) - Users Mailing List
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</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla
<a class="moz-txt-link-abbreviated" href="http://www.twitter.com/miconda">www.twitter.com/miconda</a> -- <a class="moz-txt-link-abbreviated" href="http://www.linkedin.com/in/miconda">www.linkedin.com/in/miconda</a>
Kamailio Advanced Training - March 5-7, 2018, Berlin - <a class="moz-txt-link-abbreviated" href="http://www.asipto.com">www.asipto.com</a>
Kamailio World Conference - May 14-16, 2018 - <a class="moz-txt-link-abbreviated" href="http://www.kamailioworld.com">www.kamailioworld.com</a></pre>
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