<HTML><BODY><div><div>Hi, Social Boh !</div><div> </div><div>It’s absolutely OK, because when mid-registrar</div><div>re-send a REGISTER, it does not change the IP address</div><div>in the Contact: header.</div><div> </div><div>So, when the ‘main server’ sends an INVITE to the end-point,</div><div>it sends it not to the mid-registrar, but to the IP address</div><div>being pointed in the Contact: header.</div><div> </div><div data-signature-widget="container"><div data-signature-widget="content"><div>-----------------------------------------------<br><span style="font-size: 15px;">BR, Alexey</span><br style="font-size: 15px;"><span style="font-size: 15px;">http://alexeyka.zantsev.com/</span></div></div></div><div> </div></div><style type="text/css"></style></BODY></HTML>