traditional telephone network

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• 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

• Network Convergence — refers to the provision of telephone, video and data communication services within a single network. In other words, one pipe is used to deliver all forms of communication services. The process of Network Convergence is primarily driven by… …   Wikipedia

• Network switching subsystem — (NSS) (or GSM core network) is the component of a GSM system that carries out call switching and mobility management functions for mobile phones roaming on the network of base stations. It is owned and deployed by mobile phone operators and… …   Wikipedia

• Network Equipment Provider — Network Equipment Providers (NEPs) are companies that provide communication solutions to Service Providers like fixed or mobile operators as well as to Enterprise customers. If you place a call on your mobile phone, surf the internet, join a… …   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 call — A telephone call is a connection over a telephone network between the calling party and the called party. Information transmissionA telephone call may carry ordinary voice transmission using a telephone, data transmission when the calling party… …   Wikipedia

• Network address translation — NAT redirects here. For other uses, see Nat (disambiguation). In computer networking, network address translation (NAT) is the process of modifying IP address information in IP packet headers while in transit across a traffic routing device. The… …   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 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

• Telephone keypad — A telephone keypad is a keypad that appears on a “Touch Tone” telephone. It was standardised when the dual tone multi frequency (DTMF) system was introduced in the 1960s, and replaced the rotary dial.The contemporary keypad is laid out in a 3… …   Wikipedia

• History of the telephone — The history of the telephone chronicles the development of electrical technology that enabled bidirectional human speech conversations over distances farther than a person could shout.Telephone prehistoryMechanical devicesBefore the invention of… …   Wikipedia