[Asterisk-Users] SIP & IAX behind NAT

[WipeOut]

Peter Zeltins wrote:

> I'm trying to set up * server behind NAT. The box is set up as DMZ in 
> my DSL router, i.e. all incoming connections without explicit port 
> mapping are forwarded to *. So far I'm unable to get this setup to 
> work for either IAX or SIP (tried IAXComm & XLite softphones on public 
> IP address). Data seems to come in fine (IAX/SIP debug shows message 
> interaction taking place), but there is no audio.
>  
> Am I missing something in */router setup or such thing cannot be done? 
> I suspect that I need to override local IP address being sent out in 
> SIP/IAX packets, but I see no such option in either iax.conf or sip.conf
>  
> TIA,
> Peter

The Asterisk server MUST be on a public IP for it to work.. Only SIP 
UA's can be made to function behind NAT..

Later..