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AT&T Corporation, commonly referred to as AT&T, an abbreviation for its former name, the American Telephone and Telegraph Company, was an American telecommunications company that provided voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.
AT&T Inc. is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's third-largest telecommunications company by revenue and the second-largest wireless carrier in the United States.
Bell and Hubbard also established American Telephone and Telegraph Company in 1885, which acquired the Bell Telephone Company and became the primary telephone company in the United States.
American Telephone and Telegraph Company (AT&T) was the largest corporation in the world for much of the 20th century. A government-regulated monopoly for most of its existence, it built most of the U.S. telephone system and was the standard of the worldwide telecommunications industry.
AT&T Inc., formerly American Telephone and Telegraph Co., U.S. telecommunications corporation. It was established as a subsidiary of Bell Telephone Co. (founded by Alexander Graham Bell in 1877) to build long-distance telephone lines and later became the parent company of the Bell System.
La American Telephone and Telegraph Corporation (AT&T), es una corporación de telefonía y telégrafo, fundada en Estados Unidos el 3 de marzo de 1885.
13 de feb. de 2016 · AT&T, once known informally as Ma Bell, is a storied American brand that goes back under a succession of names to the late 19th century, after Alexander Graham Bell invented the telephone.
