On Saturday 02 December 2006 09:22, Joe Holden wrote:
> Kurt Dethier wrote:
> > Marwan Sultan wrote:
> >> Hello All,
> >> Well, maybe the subject says all,
> >> Im running 6.1R acting as NAT, gateway ofcourse, hotspot.
> >> I have many clients trying to use Vonage, motorola, VoIP devices and
> >> and few more products.
> >> The problem is as its described in some websites..
> >> They can call, receive a call, hear the dailtone but no one can hear
> >> the other party.
> >> After researching i found out there is a problem iusing FreeBSD NAT
> >> with voip protocols.
> >> i have been advised to use STUN servers, (Simple Traversal of UDP
> >> through NATs.)
> >> I found out there is net/stund port and its installed successufly!
> >> but still lost.
> >> Can someone kindly and please shade a light on howto
> >> make voip behind NAT works in my FreeBSD ? im in trouble because of
> >> this.
> > Hi Marwan,
> > STUN will only work if you have the correct NAT implementation on
> > your gateway. If you are using pf, you get what the STUN RFC calls
> > a symmetric NAT. STUN will not help you in such an implementation.
> > I'm not sure how the other NAT solutions on FreeBSD are implemented.
> > If you need a solution for a symmetric NAT, you need something that
> > understands the signaling protocol and can add fw/nat rules on demand
> > on your gateway, or a media proxy (like TURN).
> > Kurt
> It is entirely possible to use voip behnd symmetric nat, but it also
> entirely depends on the setup, some more details will help.
I am not sure of your setup either, but I have Vongae working behind a FreeBSD
Firewall/Router using PF with NAT.
Vonage Traffic viewed via PFTOP.
udp Out 172.16.1.1:10000 220.127.116.11:10000 MULTIPLE:MULTIPLE
2688m 48 18146 9967K
udp Out 172.16.1.1:10112 18.104.22.168:12044 MULTIPLE:MULTIPLE
61 33 3382 674816
udp Out 172.16.1.1:10113 22.214.171.124:12045 SINGLE:NO_TRAFFIC
56 2 14 2348
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