With the imminent demise of ISDN2e and ISDN30e there’s a bit of a mud-stir happening in our world of telecommunications. There are literally thousands of Schools, Colleges and Companies large and small using one flavour or another of ISDN.  These are the facts you will need to know RIGHT NOW



Believe it or not I was working for Portel when ISDN arrived on the scene way back when.  Initially it was called DASS, then DASS2 (Digital Automatic Switch System) arriving over 6 copper wires at gr...

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