AT & T (English: AT & T Inc., originally the abbreviation of American Telephone & Telegraph, is also the origin of the Chinese translation of American telephone telegram, but has not used a full name in recent years). It is a US Telecom company, which was founded in 1877.In the past 120 years, AT & T had been split and reorganized many times.AT & T is also the English name of the American NBA League St. Antonio Spurs At & T Center.
There are 8 major departments in the US Telephone Telegram: Bell Lab, Commercial Market Group, Data Systems, General Marketing Group, Network Operation Group, Network System Group, Technology System Group, and Company International Group.The main business is to provide telephone services for domestic and international.Using submarine cables, submarine optical cables, and communication satellites, 250 countries and regions can be contacted, and 147 countries and regions can be dialed directly.Provide business machines, data products and consumer products.Provide a telecommunications network system.Various services and rental business.It also provides products and services for the government.The company attaches great importance to research and development of new products.American telephone telegram companies have factories in Thailand, Germany, Singapore and other places.A subsidiary or joint venture in Italy, South Korea, Japan and other countries.In September 1995, the company disintegrated into three independent companies: communication service companies, communication equipment companies, computer information service companies, and withdrew from the personal computer field.The disintegration process of AT & T began in 1984.Under the mandatory intervention of the US governments antitrust policy, the companys local telephone business was split out and re -established 7 subsidiaries, namely: Bell Pacific, Ameritech, Bell Southwest Company, Bell Western US company, Bell Atlantic Corporation,Bell South and Nynex.