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<body lang="DE" link="#0563C1" vlink="#954F72" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal">Hello, <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB">yesterday it was already answered from Alex that this is possible with Kamailio on the sr-users list. Please follow up there on this thread.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">The development list is about development topics, usage questions and discussion should be done on sr-users.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Thanks and regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Henning<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span lang="EN-GB">-- <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Henning Westerholt – </span><a href="https://skalatan.de/blog/"><span lang="EN-GB">https://skalatan.de/blog/</span></a><span lang="EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Kamailio services – </span><a href="https://gilawa.com/"><span lang="EN-GB">https://gilawa.com</span></a><span lang="EN-GB"><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
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<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-left:35.4pt"><b><span style="mso-fareast-language:DE">From:</span></b><span style="mso-fareast-language:DE"> sr-dev <sr-dev-bounces@lists.kamailio.org>
<b>On Behalf Of </b>VESELOVSKY Pavel<br>
<b>Sent:</b> Thursday, April 28, 2022 2:35 PM<br>
<b>To:</b> sr-dev@lists.kamailio.org<br>
<b>Subject:</b> [sr-dev] Kamailio functionality clarification - call forwarding no replay (call is ringing but not answered)<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">Hallo all, <o:p>
</o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">I would need help with Kamailio. I hope, you can give me some hints.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">I would like use Kamailio for CFNRy feature call forward no replay, i.e.
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:71.4pt;text-indent:-18.0pt;mso-list:l3 level1 lfo3">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">call is forked to multiple destination<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:71.4pt;text-indent:-18.0pt;mso-list:l3 level1 lfo3">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">180 is received, call is ringing, but not answered, no 200 OK is received from some destination<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:71.4pt;text-indent:-18.0pt;mso-list:l3 level1 lfo3">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">after predefined time (CFNRy timer), only this specific branch has to be rerouted to another destination<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:71.4pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">Expected behaviour is described in this flow:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="SK"><img border="0" width="629" height="673" style="width:6.552in;height:7.0104in" id="Picture_x0020_1" src="cid:image001.png@01D85BA1.68083420"></span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">My current behavior:
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:71.4pt;text-indent:-18.0pt;mso-list:l0 level1 lfo6">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">Kamailio TM module is involved for parallel forking (<a href="https://www.kamailio.org/docs/modules/stable/modules/tm.html#:~:text=1.-,Overview,-The%20TM%20module">https://www.kamailio.org/docs/modules/stable/modules/tm.html#:~:text=1.-,Overview,-The%20TM%20module</a>)<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:71.4pt;text-indent:-18.0pt;mso-list:l0 level1 lfo6">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">all branches are CANCEL-ed, it is not possible send CANCEL just to one specific branch<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="SK"><img border="0" width="552" height="694" style="width:5.75in;height:7.2291in" id="Picture_x0020_2" src="cid:image002.png@01D85BA1.68083420"></span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">My questions:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:71.4pt;text-indent:-18.0pt;mso-list:l0 level1 lfo6">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">is it possible to CANCEL just specific branch?<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:71.4pt;text-indent:-18.0pt;mso-list:l0 level1 lfo6">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">is it possible start timer just for specific branch?<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:71.4pt;text-indent:-18.0pt;mso-list:l0 level1 lfo6">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">do you think is it possible somehow implement this feature with Kamailio?<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">Thanks a lot in advance for any comment.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">Pavel.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="SK"><o:p> </o:p></span></p>
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