In Colombia, it was one of the largest and most prestigious state-owned companies that existed in the field of communications. It was the acronym for National Telecommunications Company. It was created on May 23, 1947 as a result of the merger of the company Marconi Wireless Telegraph and Radio Nacional de Colombia. It is also the name of a telecommunications company that operates in Argentina, Paraguay, and Uruguay. It's called Telecom Argentina S. To. . There are many companies worldwide and in the field of telecommunications that are called TELECOM (Morocco, China, Egypt, Czech Republic, Italy, Spain, France, etc. )