Telecommunications systems

aggregate of all circuit-switched telephone networks

thumb|A Teletype Model 32 used for telex service

tendency for technologies that were originally largely unrelated to unify as they develop

the product of an interaction between an organization and a customer over the duration of their relationship

collection of systems used in telecommunications

thumb|right|Le Théâtrophone, an 1896 lithograph from the ''Les Maitre de L'Affiches'' series by [[Jules Chéret]] Théâtrophone (, "the theatre phone") was a telephonic distribution system available in portions of Europe that allowed the subscribers to listen to opera and theatre performances over the telephone lines. The théâtrophone evolved from a Clément Ader invention, which was first demonstrated in 1881, in Paris. Subsequently, in 1890, the invention was commercialized by Compagnie du Théâtrophone, which continued to operate until 1932.

Systems used to manage telecommunication networks

business process framework for telecom service providers

telecommunication which utilizes wiring

components that a telecommunications service provider uses to run its business operations towards customers

group of processes of communications service provider dealing with payment of services

provider of services for Mobile Virtual Network Operators

system that transmits a signal from one place to another