From Guardian Project Wiki
VoIP services were legalized in Kenya in 2004 in tandem with the end of the former main telecom operator Telkom Kenya's monopoly; prior to legalization, there was a large "grey market" of illegal providers that came into conflict with Telkom Kenya, which attempted to block VoIP traffic over its network. Kenya has a 25% Internet penetration rate.
VoIP usage has grown rapidly in Kenya since legalization and the issuing of regulations for VoIP - for instance, incoming calls to mobile phones using VoIP increased 2300% between the first and second quarters of 2008. In September of 2011, the Kenyan government announced it was seeking partners to develop a [af.reuters.com/article/investingNews/idAFJOE78407620110905 4G network]; Safaricom currently operates a 3G network on the country.