Marwan Sultan wrote:
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
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.
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).
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