Holger Schildt wrote:
I know that IAX also works between networks using NAT, but SIP or H.323
doesn't. I wonder what is the reason for this behavior? Is there a
difference between this protocols acccording to NAT?
IAX uses a single raw UDP socket for all calls. Since there is no RTP, the IP address is not embedded in the protocol itself so as long as the UDP packets show up at the right spot (port forward) everything just magicly works.
Jeremy McNamara
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