Archive for "April, 2021"

Tech Insight : ISDN To be Switched Off

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 […]