dial assistance switchboard

См. также в других словарях:

• Telephone switchboard — PBX switchboard, 1975 A switchboard (also called a manual exchange) was a device used to connect a group of telephones manually to one another or to an outside connection, within and between telephone exchanges or private branch exchanges (PBXs) …   Wikipedia

• Telephone number — A telephone number or phone number is a sequence of digits used to call from one telephone line to another in a public switched telephone network. When telephone numbers were invented, they were short as few as one, two or three digits and were… …   Wikipedia

• Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …   Wikipedia

• 9-1-1 — This article is about the emergency telephone number. For other uses, see 911 (disambiguation). See also: Emergency telephone number Emergency 911 displayed on the side of an emergency vehicle, indicating that 9 1 1 is the number to dial in the… …   Wikipedia

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• Director telephone system — The Director System was a system which made it possible to call subscribers at other telephone exchanges without operator intervention in large multi exchange cities, and to have a mixture of automatic and manual exchanges within these cities. It …   Wikipedia

• Independent telephone company — An Independent telephone company in the United States was a telephone company providing local service which was not part of the Bell system group of companies, Ma Bell , before the 1984 Bell System divestiture or breakup of the Bell system. They… …   Wikipedia

• Perry Mason — is a fictional character, a defense attorney who originally was the main character in numerous pieces of detective fiction authored by Erle Stanley Gardner. Perry Mason was featured in over 80 novels and short stories, most of which had a story… …   Wikipedia

• Interactive voice response — IVR redirects here. For other uses, see IVR (disambiguation). Interactive voice response (IVR) is a technology that allows a computer to interact with humans through the use of voice and DTMF keypad inputs. In telecommunications, IVR allows… …   Wikipedia