[Asterisk-Users] Multiple IAX Phones Behind NAT

[Harold Fletcher]

Steve:

But how will that work for incoming calls?  Assume that three phones
have registered with an Asterisk box from inside a NAT, then * knows
that these three users can be found at x.x.x.x port 4569.  When *
receives an incoming call intended for one of those users, all it can do
is forward those calls to x.x.x.x:4569, right?  In that case I don't
understand how the NAT can know to which user the incoming call is
referring.

Will Fletcher



Auburn University
Department of Computer Science
107 Dunstan Hall
Auburn, AL 36849
334-332-9544
fletchw at auburn.edu
>>> stevek at stevek.com 03/11/05 11:22 AM >>>
Will Fletcher wrote:

> Hi folks,
>
> Ok, I've seen this question go unanswered on the mailing list, and I 
> assume it's because no one had the heart to break the bad news to the 
> guy asking, but be honest with me, I can take it.  At this time it's 
> flat impossible to have multiple IAX phones behind a NAT without using

> an * gateway because there's no way to have a client listen on a port 
> besides 4569.  Is my only option to learn about SIP and attempt to 
> forward that through my NAT?


Not true;

You just need the iax phones to register, and then they will work fine 
through the NAT; whatever port they're on on local machines, and 
whatever port they get NATted to won't matter.

-SteveK

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