Search results
Results From The WOW.Com Content Network
The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.
Before the 1960s, the telephone exchange with telephone switchboards and operators played a crucial role in connecting phone calls. A telephone switchboard is a device that allows telephone lines to be interconnected, enabling the routing of calls between different phones or phone networks. [17]
1 November 1960: The Bell System begins testing its push-button phone, starting with service in Findlay, Ohio. [39] 1960: Bell Labs conducts extensive field trial of an electronic central office in Morris, Illinois, known at the Morris System. 1960s: Bell Labs developed the electronics for cellular phones; 1961: Initiation of Touch-Tone service ...
Telephone exchange names were used in many countries, but were phased out in favor of numeric systems in the 1960s. In the United States, the demand for telephone service outpaced the scalability of the alphanumeric system and after introduction of area codes for direct-distance dialing, all-number calling became necessary.
From 1946 to 1950, General Telephone obtained over 100,000 telephone lines and bought out Leich Electric Company. General Telephone's holdings included 15 telephone companies across 20 states by 1951, when Donald C. Power was named president of the company under chairman and long-time GT executive Morris F. LaCroix, replacing the retiring ...
PBX switchboard, 1975. A telephone switchboard is a device used to connect circuits of telephones to establish telephone calls between users or other switchboards. The switchboard is an essential component of a manual telephone exchange, and is operated by switchboard operators who use electrical cords or switches to establish the connections.
Alabama Telephone Company; All American Direct; American Cable and Radio Corporation; Ameritech; Andrew Corporation; AT&T Communications (1984–2010) AT&T Corporation; Atlantic and Pacific Telegraph Company; AT&T Broadband; Automatic Electric
The Bell System was a system of telecommunication companies, led by the Bell Telephone Company and later by the American Telephone and Telegraph Company (AT&T), that dominated the telephone services industry in North America for over 100 years from its creation in 1877 until its antitrust breakup in 1983.