http://www.busrep.co.za/index.php?fSectionId=561&fArticleId=2813240
This says to me that the mere introduction of a 4th operator will have little effect on the market.
Cell C said that as a late entrant facing several barriers, it had to adopt the prevailing marketing practices and services, including the provision of subsidised handsets
This says to me that the mere introduction of a 4th operator will have little effect on the market.