What is ISDN

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ISDN

Integrated Services Digital Network (ISDN) is comprised of digital telephone and data transport services offered by regional telephone carriers. ISDN involved the digitization of the telephone network, which permits voice, data text graphics music video, and other source material to be transmitted over existing telephone wires. The emergence of ISDN represents an effort to standardize subscriber services, user/network interfaces, and network and internet work capabilities. ISDN application include high-speed image applications additional telephone line in homes to serve the telecommuting industry, high speed file transfer, and videoconferencing voice services is also an application for ISDN.

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