|Holding of AT&T|
|Brands||AT&T Long Distance Service|
BellSouth Long Distance, Inc. consists of the long distance operations of AT&T serving BellSouth Telecommunications customers. BSLD was acquired by AT&T in 2006 when it purchased BellSouth Corporation.
AT&T Inc. is an American multinational conglomerate holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company, the second largest provider of mobile telephone services, and the largest provider of fixed telephone services in the United States through AT&T Communications. Since June 14, 2018, it is also the parent company of mass media conglomerate WarnerMedia, making it the world's largest media and entertainment company in terms of revenue. As of 2018, AT&T is ranked #9 on the Fortune 500 rankings of the largest United States corporations by total revenue.
BellSouth Telecommunications, LLC is an operating company of AT&T that serves the southeastern United States. It consists of the former operations of Southern Bell and South Central Bell.
BSLD does business as AT&T Long Distance Service.
Dual-tone multi-frequency signaling (DTMF) is a telecommunication signaling system using the voice-frequency band over telephone lines between telephone equipment and other communications devices and switching centers. DTMF was first developed in the Bell System in the United States, and became known under the trademark Touch-Tone for use in push-button telephones supplied to telephone customers, starting in 1963. DTMF is standardized as ITU-T Recommendation Q.23. It is also known in the UK as MF4.
The Kingsbury Commitment of 1913 was an out-of-court settlement of the government's antitrust challenge of AT&T's growing vertical monopoly over the phone industry. In return for the government's agreement not to pursue its case against AT&T as a monopolist, AT&T agreed to divest the controlling interest it had acquired in the Western Union telegraph company, and to allow non-competing independent telephone companies to interconnect with the AT&T long distance network.
Phreaking is a slang term coined to describe the activity of a culture of people who study, experiment with, or explore telecommunication systems, such as equipment and systems connected to public telephone networks. The term phreak is a sensational spelling of the word freak with the ph- from phone, and may also refer to the use of various audio frequencies to manipulate a phone system. Phreak, phreaker, or phone phreak are names used for and by individuals who participate in phreaking.
The Regional Bell Operating Companies (RBOC) are the result of United States v. AT&T, the U.S. Department of Justice antitrust suit against the former American Telephone & Telegraph Company. On January 8, 1982, AT&T Corp. settled the suit and agreed to divest its local exchange service operating companies. Effective January 1, 1984, AT&T Corp.'s local operations were split into seven independent Regional Bell Operating Companies known as Baby Bells.
Optical communication, also known as optical telecommunication, is communication at a distance using light to carry information. It can be performed visually or by using electronic devices. The earliest basic forms of optical communication date back several millennia, while the earliest electrical device created to do so was the photophone, invented in 1880.
The Pacific Bell Telephone Company is a telephone company that provides telephone service in California. The company is owned by AT&T Inc. through AT&T Teleholdings, and, though separate, is now marketed as “AT&T”. The company has been known by a number of names during which its service area has changed. The formal name of the company from the 1910s through the 1984 Bell System divestiture was The Pacific Telephone and Telegraph Company. As of 2002, the name “Pacific Bell” is no longer used in marketing, Pacific Bell is still the holder of record for the infrastructure of cables and fiber through much of California.
Cincinnati Bell is the dominant telephone company for Cincinnati, Ohio, its nearby suburbs, and the Dayton metropolitan area in the U.S. states of Ohio, Indiana and Kentucky. Through the holdings of its parent company Cincinnati Bell Inc. it is also the dominant provider for the State of Hawaii. Its incumbent local exchange carrier subsidiary uses the name Cincinnati Bell Telephone Company LLC. Other subsidiaries handle services such as IT Solutions and long distance calling.
In telecommunications, a long-distance call (U.S.) or trunk call (U.K.) is a telephone call made to a location outside a defined local calling area. Long-distance calls are typically charged a higher billing rate than local calls. The term is not necessarily synonymous with placing calls to another telephone area code.
Alascom, Inc., d/b/a AT&T Alaska, is an Alaskan telecommunications company; specifically, an interexchange carrier (IXC). AT&T Alascom is currently a wholly owned subsidiary of AT&T Inc. AT&T Alascom, previously known as Alascom and many other names, was the first long-distance telephone company in Alaska. AT&T Alascom has extensive telecommunications infrastructure in Alaska, including three satellites, undersea and terrestrial cables containing optical fiber, and numerous earth stations.
The breakup of the Bell System was mandated on January 8, 1982, by an agreed consent decree providing that AT&T Corporation would, as had been initially proposed by AT&T, relinquish control of the Bell Operating Companies that had provided local telephone service in the United States and Canada up until that point. This effectively took the monopoly that was the Bell System and split it into entirely separate companies that would continue to provide telephone service. AT&T would continue to be a provider of long distance service, while the now-independent Regional Bell Operating Companies (RBOCs) would provide local service, and would no longer be directly supplied with equipment from AT&T subsidiary Western Electric.
Verizon New Jersey, Inc., formerly New Jersey Bell Telephone Company, is the Bell Operating Company serving the U.S. state of New Jersey. In 1984, the Bell System Divestiture split New Jersey Bell off into a Regional Bell Operating Company, along with the 21 other BOCs AT&T had a majority stake in. On January 1, 1984, New Jersey Bell became part of Bell Atlantic.
Area code 770 is a telephone area code in the North American Numbering Plan (NANP) serving all or part of 29 counties in North Georgia, including most of Atlanta's suburbs. It was split from area code 404 in December 1995.
AT&T Communications, LLC is a division of AT&T that focuses on wireline, wireless, digital television, satellite television, fixed line telephone, mobile phone, broadband, home security, IPTV, OTT services, network security, and pay television offerings, as well as business solutions. This is the corporate division that was created in 2017 to house all of AT&T's Telecommunications and Technology Businesses, which include AT&T Mobility, DirecTV, U-Verse, AT&T Business, AT&T Intellectual Property, AT&T Labs, Cricket Wireless, AT&T Digital Life, Vyatta, AT&T Business Solutions, AT&T Consumer Mobility, AT&T Entertainment Group, AT&T Technology & Operations Group, and Technology and Operations Group. As of June 2018, it is AT&T's largest division by revenue.
SBC Long Distance LLC is a long distance telephone company owned by AT&T that does business as AT&T Long Distance. SBC Long Distance competes with other long distance providers who provide service within some of the Bell Operating Company service boundaries of AT&T. SBC Long Distance is a separate subsidiary than AT&T Communications, the incumbent long distance carrier for most of the country acquired in the SBC merger with AT&T.
Qwest Communications International, Inc. was a large United States telecommunications carrier. Qwest provided local service in 14 western and midwestern U.S. states: Arizona, Colorado, Idaho, Iowa, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, and Wyoming.
The Bell System was the system of companies, led by the Bell Telephone Company and later by AT&T, which provided telephone services to much of the United States and Canada from 1877 to 1984, at various times as a monopoly. On December 31, 1983, the system was divided into independent companies by a U.S. Justice Department mandate.
Frontier West Virginia, Inc. is one of the original Bell Operating Companies and provides local telephone service in the U.S. state of West Virginia.
The history of AT&T dates back to the invention of the telephone itself. The Bell Telephone Company was established in 1879 by Alexander Graham Bell, the inventor of the telephone. Bell also established American Telephone and Telegraph Company in 1885, which acquired the Bell Telephone Company and became the primary phone company in the United States. This company maintained a monopoly on telephone service in the United States until anti-trust regulators split the company in 1982.