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Room 641A is a telecommunication interception facility operated by AT&T for the U.S. National Security Agency, as part of its warrantless surveillance program as authorized by the Patriot Act. The facility commenced operations in 2003 and its purpose was publicly revealed by AT&T technician Mark Klein in 2006. [1] [2]
AT&T was founded as Bell Telephone Company by Alexander Graham Bell, Thomas Watson and Gardiner Greene Hubbard after Bell's patenting of the telephone in 1875. [21] By 1881, Bell Telephone Company had become the American Bell Telephone Company. [22]
Software Publisher Description Last Updated AnyLogic: The AnyLogic Company A general purpose multimethod modeling tool. Combines agent-based, system dynamics, and discrete event modeling.
Final AT&T Labs logo, 1999-2005. AT&T Laboratories, Inc., known informally as AT&T Labs, was founded in 1996, as a result of the split of AT&T Bell Laboratories into separate R&D organizations supporting AT&T Corporation and Lucent Technologies. Lucent retained the name Bell Labs and AT&T adopted the name AT&T Laboratories for its R&D organization.
AT&T Digital Life, Inc., headquartered in Dallas, Texas, was a maker of wireless home security systems with burglary and fire monitoring for homes and apartments in the United States. Digital Life services are no longer supported starting September 1, 2022.
Lucent Technologies, Inc. was an American multinational telecommunications equipment company headquartered in Murray Hill, New Jersey.It was established on September 30, 1996, through the divestiture of the former AT&T Technologies business unit of AT&T Corporation, which included Western Electric and Bell Labs.
AT&T Teleholdings, Inc., formerly known as Ameritech Corporation (and, before that, American Information Technologies Corporation), was 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.
AT&T Information Systems (ATTIS), originally known as American Bell, was the fully separate subsidiary of American Telephone & Telegraph Company (AT&T) which focused on computer technology ventures and telephone sales, and other unregulated business. It was one of the three core units of AT&T formed after the breakup of the Bell System.