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ISDN

NOTE: This page can be reached directly via the shortcut URL https://isdn-museum.de/

This is our main page about ISDN, The Integrated Services Digital Network. ISDN is a circuit-switched technology established in the 1980s to provide a digital public telephony network suitable not only for voice but also a variety of data applications. It was operated roughly from mid-1980s till mid-2010s in a variety of countries around the world. It was particularly successful in Germany.

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isdn.jpg View isdn.jpg 65.4 KB laforge, 04/06/2022 04:54 PM
isdn.png View isdn.png 63.5 KB manawyrm, 09/06/2023 11:08 AM

Updated by manawyrm 6 months ago · 5 revisions

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