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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">The Connection between SIP Client and FreeSwitch works with TCP only!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Why there are difference from a refer to an outbound call and a refer to an inbound call? In the Trace I can see, the
refer looks like equal.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">What can I do to make sure the FreeSwitch send the Notify in TCP? The Client have no UDP Port open for SIP.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Von:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org]
<b>Im Auftrag von </b>Michael Jerris<br>
<b>Gesendet:</b> Montag, 9. Mai 2016 16:58<br>
<b>An:</b> FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org><br>
<b>Betreff:</b> Re: [Freeswitch-users] Bug: FreeSwitch change from TCP to UDP if he reseive a refer<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This can happen based on the content of the refer, and could be normal based on the content of the refer. The transport of the original call is not related.<br>
<br>
On Monday, May 9, 2016, Alexander Haugg <<a href="mailto:Alexander.Haugg@c4b.de">Alexander.Haugg@c4b.de</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi all,<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The scenario is:<o:p></o:p></p>
<p><span lang="EN-US">-</span><span lang="EN-US" style="font-size:7.0pt">
</span><span lang="EN-US">The registered SIP Client make an outbound call</span><o:p></o:p></p>
<p><span lang="EN-US">-</span><span lang="EN-US" style="font-size:7.0pt">
</span><span lang="EN-US">After a connect the client send a refer to a new destination (Blind Transfer)</span><o:p></o:p></p>
<p><span lang="EN-US">-</span><span lang="EN-US" style="font-size:7.0pt">
</span><span lang="EN-US">The 202 accepted is correct as tcp sended</span><o:p></o:p></p>
<p><span lang="EN-US">-</span><span lang="EN-US" style="font-size:7.0pt">
</span><span lang="EN-US">The Notify (sipfrag 200 OK) and the following Bye will send via UDP</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">If I do the same with an inbound call, it works successfully.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">Is it a Bug?</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">My Freeswitch version is:</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">FreeSWITCH Version 1.7.0+git~20160502T014035Z~96e963d3eb~64bit (git 96e963d 2016-05-02 01:40:35Z 64bit)<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Mit freundlichen Grüßen<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Alexander Haugg<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="color:#00879B">C4B Com For Business AG</span></b><span style="color:#00879B"><br>
</span>Gabriele-Münter-Straße 3-5<br>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Telefon +49 89 840798-170 <br>
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<u><span style="color:#00879B"><a href="javascript:_e(%7B%7D,'cvml','alexander.haugg@c4b.de');" target="_blank"><span style="color:#00879B">alexander</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#00879B">.haugg@c4b.de</span></a></span></u><span style="color:#00879B"><br>
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