<div dir="ltr">Hi Ben and Alex<div><br></div><div>Thanks for the quick response. This is exactly what I was worrying about, get unto some unpredictable state like A rejecting some packages. </div><div><br></div><div>Agree that putting a B2B in front/back of opensips would solve but it´s another server =(</div><div><br></div><div>Thanks for the advices guys!</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Oct 21, 2016 at 11:10 PM, Alex Balashov <span dir="ltr"><<a href="mailto:abalashov@evaristesys.com" target="_blank">abalashov@evaristesys.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On 10/21/2016 06:36 PM, Newlin, Ben wrote:<br>
<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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.<br>
</blockquote>
<br></span>
That is an astute point.<div class="HOEnZb"><div class="h5"><br>
<br>
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