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  1. Una telecomunicación es toda transmisión y recepción de señales de cualquier naturaleza, típicamente electromagnéticas, que contengan signos, sonidos, imágenes o, en definitiva, cualquier tipo de información que se desee comunicar a cierta distancia. 1 .

  2. Telecommunication, often used in its plural form, is the transmission of information with an immediacy comparable to face-to-face communication. As such, slow communications technologies like postal mail and pneumatic tubes are excluded from the definition.

  3. Telecommunications industry. The telecommunications industries within the sector of information and communication technology is made up of all telecommunications / telephone companies and internet service providers and plays a crucial role in the evolution of mobile communications and the information society .

  4. The International Telecommunication Union ( ITU) [Note 1] is a specialized agency of the United Nations responsible for many matters related to information and communication technologies. [1] . It was established on 17 May 1865 as the International Telegraph Union, significantly predating the UN and making it the oldest UN agency. [2] .

  5. Telecommunication (from two words, tele meaning 'from far distances' and communication meaning to share information) is the assisted transmission of signals over a distance for the purpose of communication. In earlier times, this may have involved the use of smoke signals, drums, semaphore, flags, or a mirror to flash sunlight.