ISDN To be Switched Off

By Mike Knight | 27/04/2021

With BT Openreach officially setting the timeframe for switching off PSTN/ISDN, we look at what this means for businesses. ISDN an PSTN Integrated Services Digital Network (ISDN), which really came into being in the 1990s, is a set of communication standards that are used for simultaneous digital transmission of voice, video, data, and other network…

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