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History of AT&T. The history of AT&T dates back to the invention of the telephone. The Bell Telephone Company was established in 1877 by Alexander Graham Bell, who obtained the first US patent for the telephone, and his father-in-law, Gardiner Greene Hubbard. Bell and Hubbard also established American Telephone and Telegraph Company in 1885 ...
AT&T Worldnet, a dial-up Internet access service, was launched in 1996 to compete with AOL. As of 2007, AT&T Internet Services was a trade name for five companies owned by AT&T that provided Internet service under the AT&T Yahoo! name: [citation needed] Ameritech Interactive Media Services (ameritech.net)
After SBC Communications purchased AT&T Corp. in 2005 and renamed itself AT&T Inc., CallVantage was offered as an option with AT&T Yahoo! DSL service, formerly known as SBC Yahoo! DSL. Competition. AT&T CallVantage competed with other VoIP providers, such as Vonage. When AT&T U-verse Voice was unveiled January 28, 2008, AT&T continued to market ...
AT&T. AT&T Inc. (with "AT&T" being an abbreviation for its former name, the American Telephone and Telegraph Company) is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. [4] It is the world's fourth-largest telecommunications company by revenue and the largest wireless ...
SBC Telecom, Inc. d/b/a AT&T Small Business is a CLEC owned by AT&T that offers local telephone service outside the AT&T Bell Operating Company regions. It was formed in 1999 following provisions that required SBC Communications to offer telephone service outside its boundaries in order to get approval to merge with Ameritech .
Prodigy Communications, L.P. Prodigy Communications Corporation was an online service from 1984 to 2001 that offered its subscribers access to a broad range of networked services. It was one of the major internet service providers of the 1990s. The company claimed it was the first consumer online service, citing its graphical user interface and ...
Ameritech. AT&T Teleholdings, Inc., formerly known as Ameritech Corporation (and before that American Information Technologies Corporation ), is an American telecommunications company that arose out of the 1984 AT&T divestiture. Ameritech was one of the seven Regional Bell Operating Companies created following the breakup of the Bell System.
Southwestern Bell Internet Services. Southwestern Bell Internet Services, Inc. was one of the companies owned by AT&T [1] that provided AT&T Yahoo! -branded Internet services to customers located within Arkansas, Kansas, Missouri, Oklahoma, and Texas. It now does business as AT&T Internet Services.