[Asterisk-Users] * behind NAT and local subnet

[Damon Estep]

Thanks for your help, I think setting the externip breaks non NATd
clients because it mangles the SIP headers by spoofing the source IP of
SIP messages, correct?

I was able to resolve this issue by upgrading the Cisco router IOS to
12.3-15 which apparently does a better job with SIP header NAT.

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Julian J. M.
> Sent: Friday, July 15, 2005 12:01 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] * behind NAT and local subnet
> 
> Have you set correctly the externip and localnet keywords in sip.conf?
> 
> Julian.
> 
> On 7/15/05, Damon Estep <damon at suburbanbroadband.net> wrote:
> > I have an * box behind a NAT router (static NAT, port ACLs set up
> correctly)
> >
> > Most of the SIP users are on the local subnet with the * box, they
work
> fine
> >
> > Take one of the same users off of the local subnet and come in
through
> the
> > NAT router and these results;
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