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What are the differences between xDSL technology and ISDN?

April 26, 2017differences ISDN Technology xDSL

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What are the differences between xDSL technology and ISDN?

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ISDN allows you to have many different digital features, such as PABX and digital fax. ISDN requires you to have a special telephone line (i.e. you have to do a new wiring) while xDSL does not (it uses the existing copper line at your premise). ISDN is a dial-up service while xDSL is a always-on connection. Also there are wide ranges of bandwidth available for xDSL (ranging from 384kbps to 2Mbps) compared to ISDN which only have limited range of bandwidth.