extension telephone set

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• telephone set — noun electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds I talked to him on the telephone • Syn: ↑telephone, ↑phone • Derivationally related… …   Useful english dictionary

• Multi-Line Extension telephone — This article refers to a specific series of historic telephones. For multi line phone systems in general, see private branch exchange or key telephone system. A Multi Line Extension, or MLX telephone, is a no longer manufactured series of digital …   Wikipedia

• Extension — may refer to: * Extension (kinesiology), a movement of a joint in which one part of the body is moved away from another. * Extension (metaphysics), the property of taking up space * Extension (semantics), the set of things to which a property… …   Wikipedia

• telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …   Universalium

• extension phone — noun an additional telephone set that is connected to the same telephone line • Syn: ↑extension, ↑telephone extension • Hypernyms: ↑telephone, ↑phone, ↑telephone set * * * extension phone, = extension telephone. (Cf. ↑ …   Useful english dictionary

• telephone extension — noun an additional telephone set that is connected to the same telephone line • Syn: ↑extension, ↑extension phone • Hypernyms: ↑telephone, ↑phone, ↑telephone set …   Useful english dictionary

• 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 numbering plan — Area Code redirects here. For the song by Ludacris, see Area Codes (song). A telephone numbering plan is a type of numbering scheme used in telecommunications to allocate telephone numbers to subscribers and to route telephone calls in a… …   Wikipedia

• extension — ex|ten|sion W3S2 [ıkˈstenʃən] n ▬▬▬▬▬▬▬ 1¦(making something bigger or longer)¦ 2¦(extra rooms)¦ 3¦(extra time)¦ 4¦(include/affect more than before)¦ 5¦(telephone)¦ 6 by extension 7 extensions 8¦(computer)¦ 9¦(electric wire)¦ …   Dictionary of contemporary English

• extension — ex|ten|sion [ ık stenʃən ] noun *** ▸ 1 extra time allowed ▸ 2 telephone line ▸ 3 extra part added ▸ 4 something added to something long ▸ 5 development of idea etc. ▸ 6 stretching of body part ▸ 7 increase in power ▸ 8 special classes ▸ 9… …   Usage of the words and phrases in modern English

• 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