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Chapter 44. Upgrading Your Modem > Alternatives to Standard Modems

Alternatives to Standard Modems

One of the problems mentioned earlier with modems is that they transmit an analog signal (sound) over standard phone lines and are subject to interference, which results in a degradation of signal and transmission speed. Alternatives to modems and analog signals do exist. For example, you can get fully digital communications lines, which are not subject to the same interference and signal degradation as analog modems. If you decide you want to investigate digital communications lines, start by checking with your local Baby Bell or your cable TV provider to see whether they are providing digital or broadband service.

ISDN

A technology that has been around for a lot longer than 56KB modems, but continues to receive far less press coverage, is ISDN.


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