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Before direct distance dialing (DDD), all long-distance calls were established by special switchboard operators (long-distance operators) even in exchanges where calls within the local exchange were dialed directly. Completion of long-distance calls was time-consuming and costly as each call was handled by multiple operators in multiple cities.
Switching systems to enable automatic dialling of long distance calls by subscribers were introduced in the United Kingdom on 5 December 1958. The system used area codes that were based on the letters in a town's name. A ceremonial first call was made by Queen Elizabeth II from Bristol to Edinburgh. [1]
The first direct-dialed long-distance telephone calls were possible in the New Jersey communities of Englewood and Teaneck.Customers of the ENglewood 3, ENglewood 4 and TEaneck 7 exchanges, who could already dial telephone numbers in the New York City area, could place calls to eleven major cities across the United States by dialing the three-digit area code and the seven-digit directory number.
As phone lines became more popular—between 1942 and 1962, the number of phones in the U.S. grew 230% to 76 million—telephone companies realized they would run out of phone numbers. All-number ...
This forms a new AT&T (long-distance service and equipment sales) and the Baby Bells. 1987: ADSL introduced; 1988: First transatlantic fiber optic cable TAT-8, carrying 40,000 circuits; 1990: analog AMPS was superseded by Digital AMPS. 1991: the GSM mobile phone network is started in Finland, with the first phone call in Tampere. [45]
Several representations of telephone numbers using central office names capitalized and emboldened the leading letters that were dialed, for example: Kenmore 9392 is a five-pull (1L-4N) small-city telephone number for the Kenmore exchange in Fort Wayne, Indiana. MArket 7032 is a six-digit (2L-4N) telephone number. This format was in use from ...
1915: The first U.S. coast-to-coast long-distance telephone call, is ceremonially inaugurated by A.G. Bell in New York City and his former assistant Thomas Augustus Watson in San Francisco, California. 1927: The first transatlantic phone call is made, from the United States to the United Kingdom. [30]
The original long-distance telephone network actually started in 1885, in New York City. By 1892 this line reached Chicago. After introducing loading coils in 1899, the long-distance line continued west, and by 1911 it reached Denver, Colorado. The president of AT&T, Theodore Vail, committed the company to a transcontinental line in 1909.
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