#isdn — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #isdn, aggregated by home.social.
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France Telecom - ISDN/RNIS presentation movie read by F. Mitterrand
https://www.youtube.com/watch?v=n0GXJAwoLCk
#FranceTelecom #isdn #TelecomHistory #pstn #Telecom