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What is an ISDN line?

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Quick Answer

An ISDN line is a digital line used to transmit high-quality digital data over a data network. An ISDN line can be used to transmit voice, data, video and other network services.

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Full Answer

An integrated services digital network line offers many advantages over the traditional analog configuration, according to AT&T. In addition to being cost effective, an ISDN line is eight times faster than a traditional modem and is easier to maintain. An ISDN line provides capabilities not available in a standard phone line, such as sending information about who is calling and whether it is a voice or data call.

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