switchboard telecom.

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

• Kellogg Switchboard & Supply Company — was a major manufacturer of telephone exchange equipment. It was founded in Chicago, Illinois, by Milo G. Kellogg, an electrical engineer. Along with Western Electric (who supplied the Bell system), Automatic Electric (who supplied General… …   Wikipedia

• Jersey Telecom — is the former monopoly incumbent operator in the Bailiwick of Jersey. Jersey is incorporated into the UK National Telephone Numbering Plan [http://www.ofcom.org.uk/telecoms/ioi/numbers/numbers administered/] area codes of 44 1534 for landlines… …   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

• Nortel — Networks Corporation Type Public OTC Markets Group: NRTLQ Industry Telecommunications …   Wikipedia

• Ericsson — Infobox Company company name = Telefonaktiebolaget L. M. Ericsson company company type = Public (OMX|SSE101|ERIC B) (nasdaq|ERIC) company slogan = Taking You Forward foundation = Stockholm, Sweden (1876) founder = Lars Magnus Ericsson location =… …   Wikipedia

• 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

• 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

• JT Global — Type Subsidiary Industry Communications Founded 1888 Headquarters …   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

• CenturyLink — CenturyLink, Inc. Type Public Traded as NYSE: CTL NASDAQ …   Wikipedia