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</o:shapelayout></xml><![endif]--></head><body lang=EL link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>I have kamailio 4.1.0 running on a server on a real ip and behind a firewall.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>NAT detection is enabled on kamailio because many remote clients are behind NAT, so NAT is working fine along with rtpproxy.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Everything else (incoming, outgoing) is working fine except the following:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Users who are connected to our openvpn server (bridged mode) which is on the same subnet with kamailio, fail to register.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I suspect that kamailio detects NAT on these clients as all of them are behind NAT, but they also have obtained a real ip from our openvpn server on their tap interface and as a result, REGISTER fails.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>One solution, but not the best is to exclude kamailio from our openvpn routes but I would not prefer this because I wil not be able to manage the server remotely<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>My config: <a href="http://pastebin.com/JSxzgmKH">http://pastebin.com/JSxzgmKH</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal>Any suggestions?<span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>