the system is the best developed and most modern in Africa
domestic: consists of carrier-equipped open-wire lines, coaxial cables, microwave radio relay links, fiber-optic cable, radiotelephone communication stations, and wireless local loops; key centers are Bloemfontein, Cape Town, Durban, Johannesburg, Port Elizabeth, and Pretoria
international: 2 submarine cables; satellite earth stations - 3 Intelsat