[Asterisk-Users] how to add stun functionality in asterisk

[Rich Adamson]

Stun's primary role in life is to operate as an internet accessible
application to determine the outside IP address of your firewall or
nat box. Its usually called (by a sip phone as one example) at startup,
and the stun server returns the real outside IP address.

------------------------

> My understanding is nat=yes tells asterisk the device is behind a nat
> (and works even if it isn't) but stun actually keeps stuff open in the
> person's local firewall.
> 
> On 2/21/06, Bill Gibbs <bgibbs at edurotech.com> wrote:
> > What's the benefit of using stund vs nat=yes in your sip.conf for that
> > device?  I haven't had any issues behind firewalls when I enable that
> > option, and no ports are needed to be opened.
> >
> > Bill
> >
> > -----Original Message-----
> > From: asterisk-users-bounces at lists.digium.com
> > [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Matt
> > Sent: Tuesday, February 21, 2006 11:58 AM
> > To: Asterisk Users Mailing List - Non-Commercial Discussion
> > Subject: Re: [Asterisk-Users] how to add stun functionality in asterisk
> >
> > JP,
> > There isn't much to show :)
> > Yes.. I am running the STUN server on the asterisk box so that VoIP
> > ATA's and phones behind firewall's can connect to the asterisk server
> > with no ports needing to be opened.
> >
> > Setup is...
> > download stund.
> > unzip.. compile... run
> > WALA!  Stun server :)
> >
> > Then just put the address for the stun server in your ATA and it also
> > just "works".  You may need to tinker with the "VIA" settings in your
> > ATA.
> >
> > On 2/18/06, Koopmann, Jan-Peter <Jan-Peter.Koopmann at seceidos.de> wrote:
> > > On Friday, February 17, 2006 7:34 PM Matt wrote:
> > >
> > > > Yes Sir!   This is what I use:
> > > > http://www.vovida.org/applications/downloads/stun/
> > > >
> > > > Works like a charm!  Been running it in production for about a year.
> > >
> > > Good hint. Can you possibly provide a bit more insight on this? Are
> > you running STUN so that your phones behind NAT can easily connect to
> > your server or the other way around? I would really like to see the
> > relevant parts of your setup.
> > >
> > > Kind regards,
> > >   JP
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