Lunes, Agosto 13, 2012

How Does ISDN Work

ISDN is a digital telephone line that is primarily used for Business telephones

ISDN (Integrated Services Digital Network) is a system of digital phone connections which is compatible with the existing (analog) telephone system

Source: http://www.mkpitstop.com/Art/155218/94/How-Does-ISDN-Work.html

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