[Asterisk-Users] SIP, NAT and Firewalls

[Dovid Bender]

As a general rule if the phone is behind NAT there
should be no issues. Server behind NAT = Lots of
issues (which can all be worked out). You will have to
specify  NAT=YES in the dial plan.

Regards,
Dovid
--- Moises Silva <moises.silva at gmail.com> wrote:

> you can redirect the ports of the router as well. Or
> you can configure
> your SIP phone to use a STUN server. Please read in
> voip-info.org
> about SIP NAT, there are good suggestions.
> 
> regards
> 
> On 1/20/06, Michaël Gaudette
> <michael.gaudette at virtutel.ca> wrote:
> > Hello,
> >
> > I'm a bit new to SIP, and I've set up a SIP line
> with Asterisk and my
> > wholesale provider.  That worked, fine.  I ahd to
> open up the ports on my
> > router, forward them to the correct box, again
> fine.
> >
> > Now, if I get one of my customers to connect his
> SIP phone to my Asterisk
> > box, and HE'S behind a NAT firewall, does he have
> to go through the same
> > process, or is it just the Asterisk box that needs
> to translate the SIP and
> > RTP port?
> >
> > In other words: if my SIP phone is behind a
> Linksys router, do I need to
> > configure the Router for any reason?
> >
> > Mike
> >
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