The Undersecretariat of Telecommunications is an agency dependent on the Ministry of Transport and Telecommunications. Its work is aimed at coordinating, promoting, fostering and developing telecommunications in Chile, transforming this sector into a driving force for the country's economic and social development.

Its main functions are to propose national policies in telecommunications matters, in accordance with government guidelines, to exercise direction and control over their implementation, to supervise public and private companies in the sector in the country, controlling compliance with the relevant laws, regulations and standards