I haven't checked MTN's terms but that doesn't surprise me at all. Classic protectionism rather than taking advantage of new technologies to provide a better, cheaper and more appealing service. This reminds me of the Mesh Potato concept that I found out about at a TEDx event a little while ago. It is geared at bypassing the telcos in a big way: http://www.villagetelco.org/2008/06/the-origin-of-the-mesh-potato/“ rel=”nofollow”>http://www.villagetelco.org/2008/06/the-origin-