Hi Mark, <div><br></div><div>There is no simple way to traverse NAT. Unless all your routers use a non symmetric NAT, you will have to use rtpproxy or mediaproxy (you can check this with a stun client). OpenSIPS behind NAT make things even more complicated. So I suggest that you follow an example with rtpproxy or media proxy and also use the OpenSIPS in a valid IP address. The setup you are trying to do with OpenSIPS behind NAT is possible, but it is even more complex. </div>
<div class="gmail_extra"><br clear="all"><div><div>Flavio E. Goncalves</div><div> </div></div>
<br><br><div class="gmail_quote">2013/1/3 Mark Currie <span dir="ltr"><<a href="mailto:mark@ziliant.com" target="_blank">mark@ziliant.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi,<br>
<br>
I have a very simple setup for a closed network of users (all NAT'ed) with<br>
one OpenSIPS server (also NAT'ed).<br>
<br>
I have managed to solve my first problem with registration by following<br>
previous posts and using fix_nat_register(), but I am still having problems<br>
with NAT issues during a call. I know that I probably need to use<br>
fix_nat_contact() and fix_nat_sip() but I can't figure out how to use these<br>
properly through the documentation.<br>
<br>
I have tried to search for examples of opensips.cfg that suit my scenario<br>
but all the ones I found are complicated with proxies etc. Can someone point<br>
me to simple example of opensips.cfg that takes care of NAT?<br>
<br>
Regards<br>
Mark Currie<br>
<br>
<br>
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</blockquote></div><br></div>