[asterisk-biz] Re: Verizon Interconnection

[alex at pilosoft.com]

On Fri, 8 Jun 2007, Matt wrote:

> > If you are trying to do SIP to a carrier from privately-numbered space
> > behind NAT, you are in a world of pain.
> 
> 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.
I'm not sure what the problem is. You use public IP, you use IPSEC, static
route VZ IPs down the tunnel. No problem.

-alex