Glossary:Integrated Services Digital Network
Also known as ISDN. An international standard for sending voice, video, and data over digital telephone lines or normal telephone wires. Also refers to the recommendation that is published by the Telecommunication Standardization Sector (TTS) of the International Telecommunications Union (ITU) for private or public digital telephone networks in which data (such as graphics, digitized voice, and data transmission) passes over the same digital network that carries most telephone transmissions.
An overall application of the ISDN technology is to enable both newer digital telephone services and more traditional telephone services in an integrated network that incorporates the new network and interfacing standards that are being adopted worldwide.
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