Providing innovative telecom services and solutions, Viettel is trustworthy brand earning customer satisfaction and enriching society. We are proud to provide trusted international telecom services from core products (International Voice, International Roaming and Wholesale Data) to the most advanced value-added services for Vietnamese carriers, Viettel's affiliates and also international partners. VOICE & SMS Viettel owns a world-class portfolio of International Voice & SMS partnership solutions and ability to reach every destination worldwide ROAMING+ Viettel helps to drag all boundaries closer to your customers wherever they are by strong connectivity and stable quality of our world hub system. GLOBAL CONNECTIVITY Viettel offers effective and integrated solutions for international data transmission with the latest and most secured technology ICT - SOLUTION Viettel provides ICT solutions of best practices and maintained flexibility to bring simplicity in operation and efficiency in cost and revenue to our valued customers.