You can’t relay Registrations. The second would be a completely new registration. So you’d need to register the second ONLY when the first leg(phone) registers. A mess. It’s simpler, easier and smarter to use a proxy.<br><div class="gmail_quote"><div dir="ltr">On Sat, 2 Feb 2019 at 21:36, Faisal Hanif &lt;<a href="mailto:imfanee@gmail.com">imfanee@gmail.com</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">It is not actually passthrough but you can simulate the scenario by creating a gateway for every user .</div><br><div class="gmail_quote"><div dir="ltr">On Sat, Feb 2, 2019, 12:05 AM Mehdi Shirazi &lt;<a href="mailto:m.shirazi@gmail.com" target="_blank">m.shirazi@gmail.com</a> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Hi</div><div>I know that Freeswitch is a B2BUA and not proxy but I have seen SBC&#39;s based on Freeswitch also used for sipphones and siptrunks.</div><div>Is it possible to passthru sip registration with Freeswitch now ?</div><div><br></div><div>Regards<br></div><div> 
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