Both uPnP and NAT-PMP are rather useless: they cannot handle multiple layers of NAT (eg. NAT at home, plus NAT at ISP). ICE/STUN can. I've heard somewhere that Asterisk 1.6 does have a MIDCOM or some similar NAT traversal protocol. But relatively few NAT devices support these protocols. Why bother? NAT hole punching techniques used by ICE/STUN works through almost all NATs, and the rest can be solved using TURN. Bye Damjan
I don't recall seeing anything anywhere (while compiling, on the Wiki, etc) that would suggest that FreeSWITCH does uPnP (or NAT-PMP for that matter; this question is without regard to NAT Traversal religion) for port mapping. Is this a correct assumption?
Does anyone know if Asterisk does do uPnP or NAT-PMP to map incoming ports to itself? I haven't touched Asterisk in a couple years so...
This is mostly just my idle curiosity working, triggered by another question asked on the list...
thanks, eric
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