analog telephone exchange

analog telephone exchange
central system for handling telephone calls which is based on mechanical components

English contemporary dictionary. 2014.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • 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

  • Telephone — The telephone (from the el. τῆλε, tēle , far and φωνή, phōnē , voice ) is a telecommunications device that is used to transmit and receive sound (most commonly speech), usually two people conversing but occasionally three or more. It is one of… …   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

  • Telephone line — For the Electric Light Orchestra song, see Telephone Line (Electric Light Orchestra song). Phone pole with phone and mainly electric lines …   Wikipedia

  • Analog telephony adapter — An analog telephony adapter, or analog telephone adapter, (ATA) is a device used to connect one or more standard analog telephones to a digital and/or non standard telephone system such as a Voice over IP based network. Form An ATA usually takes… …   Wikipedia

  • Telephone VoIP Adapter — A Telephone VoIP Adapter (or TVA) is a device that allows traditional digital PBX (Private branch exchange) telephone handsets e.g. Nortel Meridian BCM or Siemens Optiset/Optpoint, to be connected to a VoIP network, using, for example, SIP… …   Wikipedia

  • Telephone signaling interface — There are many interface standards between analog telephone central office equipment and the subscriber s premise. Single voice paths generally include analog audio connections, either a two wire circuit or four wire circuit plus signaling paths… …   Wikipedia

  • Telephone numbers in Bulgaria — Country Code: 359 International Call Prefix: 00 xxBulgaria applies an open dialing plan, similar to those of Germany and Austria. Area codes are only dialed when necessary (dialing the same area with the area code is billed as if the call was to… …   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

  • Public switched telephone network — The public switched telephone network (PSTN) is the network of the world s public circuit switched telephone networks. It consists of telephone lines, fiber optic cables, microwave transmission links, cellular networks, communications satellites …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”