Mobile/GSM Providers replacing banks

I had this thought 4 or 5 years ago, thinking about an easy way that Egyptians can trust for making non-cash transactions. Where they can transfer their cash via mobile phone lines, something that they really trust and makes a lot of sense when it comes to small amount of money.
http://edition.cnn.com/video/#/video/world/2009/04/15/mckenzie.kenya.mobile.money.cnn
This video describes how successful the model is in Kenya.
Vodafone Egypt started a similar, however a lot smaller, service two years ago that i don't see as successful.
Orascom Telecom should start doing so right a way in their operations in North Korea, where they started their operations their late last year. I remember reading something about them, starting a bank there too. Maybe this is what Sawiris has in mind:)