Have you ever heard about Antrax? In case you haven’t, I would like to shed some light on the topic by writing a few words about various Antrax products. In a nutshell, Antrax is nothing else but a very complex hardware and software designed to be able to terminate voice traffic from any VoIP. For a full description of the product, you might want to go directly to en.antrax.mobi/products/gsmgateway/ where you can read everything that the program offers.