Making VoIP Work with Menatelecom

I have decided to post this hopefully helpful guide to people on Menatelecom who are having problems with VoIP.

A short intro to the problem I was having (and if it relates to your). I’m currently subscribed to one of the home packages from Menatelecom. They provide you with a WiMAX modem that is also a router, and routers, due to NAT, end up hiding the devices behind your network from the Internet.…