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. Ta, Joe _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"