[Freeswitch-users] uPnP/NAT-PMP

[damjan at ecntelecoms.com]

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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