Further help -
http://www.voip-info.org/wiki/view/Asterisk%40Home+Handbook+Wiki+Chapter+2#2531SettingupyourrouterfirewallsoAHcanco

>
>
> > Has anyone successfully setup Asterisk@Home with SIP for inbound 
> VoIP connections from outside the firewall?
> >
> > I've set it up, but it is not working... my telecom provider is 
> suggesting to use AIX instead of SIP...