United States. Central Intelligence Agency, The 2010 CIA World Factbook
“ Telephone system:general assessment: the "Telecommunications Liberalization Plan of 1998" opened the telecommunications market to competition and foreign investment encouraging the growth of modern telecommunications technology; fiber-optic cable trunk lines are being installed between all major cities; major networks are entirely digital and the availability of telephone service is improvingdomestic: microwave radio relay, fiber-optic cable, and a domestic satellite system with 40 earth stations serve the trunk network ”
