Empresa de Telecomunicaciones de Bogotá SA ESP engages in the provision of telecommunications services. It operates through the following segments: Fixed, Mobile, and Other. The Fixed segment consists of fixed network services, such as data network services, local telephony, internet access, public telephony long-distance services, information technology services, and leasing of networks and traffic businesses. The Mobile segment manages the 4G technology. The Other segment focuses on the commercialization of integral security services. The company was founded on August 28, 1884 and is headquartered in Bogota, Colombia.