<br><div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">If you are trying to do SIP to a carrier from privately-numbered space<br>behind NAT, you are in a world of pain.
<br></blockquote></div><br>That's exactly what I've been trying to argue with Verizon. But with IPSEC, it no longer becomes natted, it goes down the IPSEC tunnel. The problem is that Verizon won't allow the IPSEC with private IPs, so you have to use public.
<br><br>All of our Softswitches are on public IPs, this interface was on a LAN IP to connect to our IPSEC tunnel.<br>