InfiniPhone is a FREE soft-phone application which allows users to make and receive voice calls through any mobile device from anywhere in the world, via either cellular data or WiFi.
InfiniPhone allows one to make cheap phone calls to South Africa. Cheapest unlimited calling deal in South Africa and also cheap calls to Zimbabwe, African countries and every country around the world.

InfiniPhone also includes IP PBX features including call transfer, call hold, voicemail, call forwarding and inbound number routing.