Military Industry - Telecommunications Group (Viettel) is an economic defense enterprise with 100% state capital, responsible for inheriting legal rights, obligations and legitimate interests of Vien Corporation. Military Information. Military Telecom Corporation (Viettel) is owned by the Ministry of Defense and is a military enterprise doing business in the fields of post - telecommunications and information technology. With the slogan "Speak your way", Viettel always tries its best to develop steadily during its operation