There are also public services defined as services guaranteed by the State due to their importance to the society as a whole. Public services are local, national and international telephone services. Other telecommunications services are regarded as public services. Services to the public are services open to public correspondence provided to third parties and which are required on a regular, continuous and efficient service in fair conditions for customers. These services do not include private networks, value-added services or resale services.
Operations require a permit.
A private network may be composed of one or more leased circuits, virtual private lines, private infrastructure, or a combination thereof. The networks may have points in national or foreign territory. A private network may be used for the transmission of voice, data, sound or any combination thereof. Private networks shall be used only in benefit of a sole user. Technical preliminary project describing the equipment, systems, main resources, internal and external interconnection, if applicable, geographical location thereof and elements required to demonstrate the technical viability of the application.