Tim Panton wrote:
On 13 Mar 2006, at 05:54, Adrian Carter wrote:
Hi all,
I've searched the wiki, and my basic assumption at this point is to
run multiple IAX clients behind NAT I need to specifically code each
client to use a different port and then setup that port to be
forwarded from the NAT router to their private IP address.
At the moment, I can't seem to get more than one IAX client
registered behind NAT... am I correct in my above assumption or have I
missed something ?
No, asterisk's iax treats the combination of apparent-ip-address and
port as unique.
So in fact you do best to turn off any port forwarding. That way your
NAT device will allocate
different ports for each client, sharing the same IP address.
This works because IAX re-registers (or qualifies) the connection every
60 seconds, which is enough
to keep the mapping in most NATing router's caches.
There is a known exception to that, and it relates to broken Port
Address Translation (PAT) code in some cheap firewalls. If the OP
follows your response and still has a problem, he should consider trying
another firewall/nat-box/firmware-release.
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