You will also need your SIP clients that are behind the same NAT to
support ICE (Interactive Connectivty Establishment) if you want calls
between them. Xten Eyebeam and Snom phones are the only ones I'm
aware of that support it.
On 7/5/05, Ricardo Martinez <rmartinez@redvoiss.net>
wrote:> And even worst.
> There are some kind of NAT that STUN does not work.
> You can check the mailing list i think some people call it "crap
nat".
> Regards,
>
> Ricardo Martinez.-
>
> > -----Mensaje original-----
> > De: Andres [mailto:andres@telesip.net]
> > Enviado el: Martes, 05 de Julio de 2005 17:17
> > Para: Giovanni Balasso
> > CC: serusers@iptel.org
> > Asunto: Re: [Serusers] NAT considerations...
> >
> >
> > Giovanni Balasso wrote:
> >
> > >Just some thoughts based on my experience...
> > >After months trying to make everything work using
> > rtpproxy-mediaproxy with
> > >almost everything accomplished but video, I tried to switch
> > to stun solution.
> > >All my problems are gone now, I have audio, video, presence
> > and instant
> > >messages working like a charm. And most important media
> > server doesn't flow
> > >thru my server so network load remains very low. I have been
> > testing for some
> > >days now and I'm quite happy since I still have to stumble
> > on major problems.
> > >Now some considerations... On a poll onsip.org STUN usage is
> > very low and
> > >rtpproxy-mediaproxy rule as NAT trasversal solution. Why
> > don't people use
> > >stun? Has it some major drawbacks I still haven't found?
> > What are main
> > >advantages of rtpproxy-mediaproxy solutions?
> > >I'm really curious to know serusers opinions about this issue.
> > >
> > >thank you all for your two cents ;)
> > >
> > >
> > >
> > STUN does not work if your NAT is Symmetric. For example all
> > Linux NATs
> > or routers with Linux OS like the Linksys ones. Unless you have full
> > control on what type of NAT your customer will deploy, it
> > will be very
> > hard to stick to an all STUN solution.
> >
> > --
> >
> > Andres
> > Network Admin
> > http://www.telesip.net
> >
> >
> > _______________________________________________
> > Serusers mailing list
> > Serusers@iptel.org
> > http://mail.iptel.org/mailman/listinfo/serusers
> >
>
> _______________________________________________
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> http://mail.iptel.org/mailman/listinfo/serusers
>
