In this case you can try kamailio + rtpengine.<br><br><div class="gmail_quote"><div dir="ltr">пт, 1 февр. 2019 г., 19:35 Mehdi Shirazi <<a href="mailto:m.shirazi@gmail.com">m.shirazi@gmail.com</a>>:<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'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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