[Asterisk-Users] Help needed with IAX behind NAT

[Serge Mankovski]

I do not really know what firewall is there. Is is some sort of firewall 
used for corporations. I convinced our sysamin to open one UDP port for 
two-way traffic. Before that there was no registration at all.

Thanks
Serge


>From: "Wade J. Weppler" <weppler at wwworks-inc.com>
>Reply-To: asterisk-users at lists.digium.com
>To: <asterisk-users at lists.digium.com>
>Subject: RE: [Asterisk-Users] Help needed with IAX behind NAT
>Date: Mon, 8 Sep 2003 18:56:42 -0400
>
>What NAT box are you using?
>
>We had a similar problem with LinkSys BEFSR41's.  It could register, but
>couldn't deal with the audio (RTP) traffic.
>
>The latest firmware fixed the issue in this case.
>
>-wade
>
> > -----Original Message-----
> > From: Serge Mankovski [mailto:dorjegonpo at hotmail.com]
> > Sent: Monday, September 08, 2003 6:42 PM
> > To: asterisk-users at lists.digium.com
> > Subject: [Asterisk-Users] Help needed with IAX behind NAT
> >
> > Hi All,
> > I know, IAX is NAT friendly, but... I have a problem running gnophone
>from
> > a
> > box behind NAT firewall.
> >
> > I can register gnophone with * through NAT, but when I try to make a
>call
> > it
> > instantly disconnects. CLI
> > iax show peers command tells me that peer is unreachable. However this
> > peer
> > is registred. Gnophone also tells me that it is registred.
> >
> > It seems that registration handshake has happened, but nothing else
>work.
> >
> > The same configuration without NAT in between works like a charm.
> >
> > Thank you
> >
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