[Asterisk-Users] nat=yes and qualify=yes viable NAT solutions?

[C F]

On 2/26/06, Damon Estep <damon at suburbanbroadband.net> wrote:
> Thanks, the linksys is a sipura, so what works on one should work on the
> other.

I wouldn't bet on it, since the SPA-xxxxxxx where out before the merge.

>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of C F
> Sent: Sunday, February 26, 2006 7:04 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] nat=yes and qualify=yes viable NAT
> solutions?
>
> Sipura works, I never tried linksys, Polycom might and might not work.
>
> On 2/26/06, Damon Estep <damon at suburbanbroadband.net> wrote:
> >
> >
> >
> > Looking for some feedback on whether nat=yes and qualify=yes will
> provide a
> > workable solution in many cases?
> >
> >
> >
> > The * server is on a public address, no NAT, the UAs (sipura, linksys,
> > polycom) are behind various types of NAT.
> >
> >
> >
> > Obviously port mapping in the NAT device works, but what about cases
> where
> > there is no admin access possible to the NAT device?
> >
> >
> >
> > From what I have read nat=yes makes asterisk look at the udp header
> instead
> > of the SIP info for the UA IP address, and qualify=yes sends
> keepalives in
> > the form of frequent SIP OPTIONS queries. I think I also read that
> nat=yes
> > enables symmetrical RTP
> >
> >
> >
> > What I do not know is does it work in the real world?
> >
> >
> >
> >
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