There is only one NIC internally (only 1 internal IP) so binding to 0.0.0.0 
won't do anything.  Asterisk uses the externIP setting to publish a different 
address when behind NAT, that's what externIP does.  But there is only one 
externIP settings.

I'm thinking about openSER/proxy/etc type solutions but need to keep it as 
simple as possible.

MD

________________________________
From: asterisk-users-boun...@lists.digium.com 
[asterisk-users-boun...@lists.digium.com] On Behalf Of Danny Nicholas 
[da...@debsinc.com]
Sent: Tuesday, February 22, 2011 4:40 PM
To: Asterisk Users List
Subject: Re: [asterisk-users] Multiple public address to one Asterisk 
serverbehind NAT?

________________________________
From: asterisk-users-boun...@lists.digium.com 
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Michelle Dupuis
Sent: Tuesday, February 22, 2011 3:34 PM
To: Asterisk Users List
Subject: [asterisk-users] Multiple public address to one Asterisk serverbehind 
NAT?

I have a situation where an Asterisk server is NATted, sitting behind a PIX.  
One public IP is used for one purpose, now a second public IP is required for 
another.

Is there a way to have Asterisk use more than one public IP when behind NAT?  
(I already use the externalIP setting)...

If not, any suggestions for a SIMPLE way to do this?

Thanks
MD

“Dumb” answer – bind to 0.0.0.0 – the externalIP setting probably trashes this 
idea.
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