Norwood Systems - Paul Ostergaard, CEO - TechKnow Conference 22nd October Sydney, page-28

Mate, if copper network was not significant, giants like Telstra wouldn't enjoy such monopoly. Using Copper nw to plugin roaming device is as opposed to cellular network is the main differentiating factor for Norwood. It's also very cost effective. Regarding current pricing he mentioned that in certain geography app is more popular then others. Depending to which country and from which country you are calling World phone could be very cheap or very expensive but once they come up with country based pricing as he hinted, this should be game changer.