OBS_VALUE: The state holds the controlling shares in telecoms enterprise that provide facilities-based telecom services, which play an important role in operating the national telecoms infrastructure and which have direct influence on socio-economic development, national security, and defence. Two big state-owned telecom firms hold most of the market share of fixed telephone services in Vietnam: Viettel – owned by the Ministry of Defense, VNPT – owned by the CMSC (Commission for the Management of State Capital at Enterprises by the Government).