[asterisk-dev] Problems with Firewall

[Karsten Asche]

> -----Ursprüngliche Nachricht-----
> Von: "Steve Totaro" <stotaro at asteriskhelpdesk.com>
> Gesendet: 02.02.09 17:58:25
> An: Asterisk Developers Mailing List <asterisk-dev at lists.digium.com>
> Betreff: Re: [asterisk-dev] Problems with Firewall


> On Mon, Feb 2, 2009 at 11:43 AM, Karsten Asche <K-Asche at web.de> wrote:
> > Hi @ all,
> >
> > IŽm programming a Softphone under Windows.
> > At the moment I have the problem if I do a call,
> > the SIP Session will be created succesfully but sometimes
> > the speech from my XP System will be send but after send to server
> > it will be blocked.
> > The curiosity is that under Vista this problem doesnŽt happen.
> > Both Clients run through the same Firewall.
> > If i Do the call on my XP with SJPhone it works fantastic and after
> > compare the sent pakets with my sent pakets there are no differences.
> >
> > What could it be?
> >
> > Regards
> > Karsten
> >
> 
> Port forwarding, NAT, two phones on 5060?
> 
> -- 
> Thanks,
> Steve Totaro
> +18887771888 (Toll Free)
> +12409381212 (Cell)
> 
IŽve tought ion NAT too, he Firewall has the symmetric NAT Type whatŽs the best way to do symmetric RTP?
-- 
Karsten Asche
Schwester-Columba-Str. 12
48282 Emsdetten
02572 9234576
K-Asche at web.de
www.karsten-asche.de