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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">OpenSIPS has a B2B module that you could run on the existing server. There shouldn’t be any need for a B2B server and a proxy server; the B2B would replace the proxy. Unless you just can’t
change the config of that server for some reason?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:Calibri;color:black">Ben Newlin</span><span style="font-size:11.0pt;font-family:Calibri"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-family:Calibri;color:black">From: </span>
</b><span style="font-family:Calibri;color:black"><users-bounces@lists.opensips.org> on behalf of Daniel Zanutti <daniel.zanutti@gmail.com><br>
<b>Reply-To: </b>OpenSIPS users mailling list <users@lists.opensips.org><br>
<b>Date: </b>Friday, October 21, 2016 at 9:57 PM<br>
<b>To: </b>OpenSIPS users mailling list <users@lists.opensips.org><br>
<b>Subject: </b>Re: [OpenSIPS-Users] Remove to-tag from 1XX provisional responses<o:p></o:p></span></p>
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<p class="MsoNormal">Hi Ben and Alex <o:p></o:p></p>
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<p class="MsoNormal">Thanks for the quick response. This is exactly what I was worrying about, get unto some unpredictable state like A rejecting some packages. <o:p></o:p></p>
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<p class="MsoNormal">Agree that putting a B2B in front/back of opensips would solve but it´s another server =(<o:p></o:p></p>
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<p class="MsoNormal">Thanks for the advices guys!<o:p></o:p></p>
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<p class="MsoNormal">On Fri, Oct 21, 2016 at 11:10 PM, Alex Balashov <<a href="mailto:abalashov@evaristesys.com" target="_blank">abalashov@evaristesys.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">On 10/21/2016 06:36 PM, Newlin, Ben wrote:<o:p></o:p></p>
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<p class="MsoNormal">Not only that, but provisional responses (except 100 Trying) are<br>
required to have a To tag [1]. So you would likely run into issues with<br>
UAs if you start returning messages without them.<o:p></o:p></p>
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That is an astute point. <o:p></o:p></p>
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<br>
-- <br>
Alex Balashov | Principal | Evariste Systems LLC<br>
<br>
Tel: <a href="tel:%2B1-706-510-6800" target="_blank">+1-706-510-6800</a> (direct) /
<a href="tel:%2B1-800-250-5920" target="_blank">+1-800-250-5920</a> (toll-free)<br>
Web: <a href="http://www.evaristesys.com/" target="_blank">http://www.evaristesys.com/</a>,
<a href="http://www.csrpswitch.com/" target="_blank">http://www.csrpswitch.com/</a><br>
<br>
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