A report on IT Web, about the best South African tech web site has a very concise view of what will soon happen in Africa. For years many African countries have been behind in allowing the advances of the Internet to be considered legal. As the article points out, a grey market has evolved.
Given how advanced in many ways South Africa is, they really need to get into the 2000's. They have one of the most affluent communities on the dark continent. Allowing VoIP, and making other mods to their Internet laws would go a long way in advancing their economy. If they don't move fast, West Africa may beat them to the punch.