Explain what is meant by the term ‘integrated service digital network’. Give three reasons a company might choose an ISDN link in preference to a leased line.
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Answer Posted / Madhup Srivastava
Integrated Services Digital Network (ISDN) is a communication standard that allows digital transmission of voice, video, and data over conventional telephone lines. Reasons a company might prefer ISDN over a leased line include: 1) Cost-Effectiveness - ISDN can be less expensive as it uses existing telephone infrastructure rather than requiring new dedicated lines. 2) Simultaneous Data and Voice Transmission - ISDN supports simultaneous data, voice, and video transmission on the same line, making it suitable for multimedia applications. 3) Improved Call Management Features - ISDN offers features like call forwarding, caller ID, and call waiting that are not typically available with leased lines.
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