Empresa Nacional de Telecomunicaciones SA engages in the provision of telecommunications and information technology services. It operates through the following segments: Consumer, Small and Medium Enterprises, Corporations, Mobile Services Peru, and All Other Segments. The Consumer segment refers to natural persons who are the final users of the services and equipment provided. The Small and Medium Enterprises segment covers legal entities in which the goods and services acquired are used in productive processes or traded. The Corporations segment includes larger companies, government entities, banks and all kind of large companies. The Mobile Services Peru segment comprises services provided by the subsidiary Entel Perú S.A. The All Other Segments pertains mainly to network infrastructure services provided to other domestic as well as foreign telecommunication services providers. The company was founded on August 31, 1964 and is headquartered in Las Condes, Chile.