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trunk 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

  • Interposition trunk — In telecommunication, the term interposition trunk has the following meanings: 1. A single direct transmission channel, e.g., voice frequency circuit, between two positions of a large switchboard to facilitate the interconnection of other… …   Wikipedia

  • b switchboard — noun Usage: usually capitalized B : a switchboard in a telephone exchange for receiving and completing trunk calls that originate in another exchange …   Useful english dictionary

  • Business telephone system — Early model 464G Western Electric key telephone set A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private …   Wikipedia

  • междугородный коммутатор — — [Л.Г.Суменко. Англо русский словарь по информационным технологиям. М.: ГП ЦНИИС, 2003.] Тематики информационные технологии в целом EN toll switchboardtrunk switchboard …   Справочник технического переводчика

  • коммутатор междугородных линий связи — — [Л.Г.Суменко. Англо русский словарь по информационным технологиям. М.: ГП ЦНИИС, 2003.] Тематики информационные технологии в целом EN toll trunk switchboard …   Справочник технического переводчика

  • 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

  • Private branch exchange — A private branch exchange (PBX) is a telephone exchange that serves a particular business or office, as opposed to one that a common carrier or telephone company operates for many businesses or for the general public. PBXs are also referred to as …   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

  • Panel switch — The panel switching system was an early type of automatic telephone exchange, first put into urban service by the Bell System in the 1920s and removed during the 1970s. The Panel and Rotary systems were developed in parallel by Bell Labs before… …   Wikipedia

  • Coleville, Saskatchewan — For the California town see: Coleville, California Coleville   Village   …   Wikipedia

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