analog telephone network

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• 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

• Public Switched Telephone Network — telephone system based upon copper wires that carry analog voice signals, PSTN …   English contemporary dictionary

• 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 — 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

• 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 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 tapping — Wiretap redirects here. For the radio program, see WireTap (radio program). Telephone tapping (also wire tapping or wiretapping in American English) is the monitoring of telephone and Internet conversations by a third party, often by covert means …   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

• Network processor — A network processor is an integrated circuit which has a feature set specifically targeted at the networking application domain. Network processors are typically software programmable devices and would have generic characteristics similar to… …   Wikipedia

• Network access server — A Network Access Server (NAS) is a single point of access to a remote resource. Contents 1 Overview 2 Examples 3 Associated Protocols 4 See also …   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