Integrated Services Digital Network (ISDN) is a technology that allows digital communication over a traditional analog phone line, so that both voice and data can be transmitted digitally over the PSTN. ISDN never reached the level of popularity it was expected to reach because it emerged when alternative technologies were also being developed.
The two flavors of ISDN include the following:
- ISDN BRI (Basic Rate Interface)
- ISDN PRI (Primary Rate Interface)
ISDN speaking devices are called terminal emulation equipment, and they can be categorized as either native ISDN or non-native ISDN equipment. Native . . .
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