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ISDN

Internet protocol
Integrated Services Digital Network is a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the digitalised circuits of the public switched telephone network. Wikipedia
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Integrated Services Digital Network (ISDN) is a set of communication standards for simultaneous digital transmission of voice, video, data, ...
A technical standard and design philosophy for digital networks. ISDN provides high-speed, high-bandwidth channels to every subscribers on the public ...
ISDN digital subscriber line (IDSL) is a cross between ISDN and xDSL. It is like ISDN in that it uses a single-wire pair to transmit full-duplex data at 128 ...
Dec 8, 2022 · ISDN is a set of standards that enables the digital transmission of multiple services simultaneously across a public telephone network.
An Integrated Service Digital Network (ISDN) is basically a telephone-based network system that operates by a circuit switch, or dedicated line.