Meaning; DIA: Defense Intelligence Agency (USA) DIA: Denver International Airport: DIA: Department of Internal Affairs
Crosstalk is a disturbance caused by the electric or magnetic fields of one telecommunication signal affecting a signal in an adjacent circuit. In an telephone circuit, crosstalk can result in your hearing part of a voice conversation from another circuit. The phenomenon that causes crosstalk is called electromagnetic interference (EMI). It can occur in microcircuits within computers and audio equipment as well as within network circuits.
Circuit Switching. The PSTN is what is known as a circuit switching network. In other words, when a telephone call is made, an exclusive dedicated circuit is established and only released when the call ends.hares & Saves. Save. PSTN is an abbreviation for Public Switched Telephone Network and is used to describe a network of interlinked telephone systems---state-owned or commercial---and includes everything but private telephone systems that are managed by their own PBX (Private Branch eXchange).