I had a 128k ISDN link through the 90s from BellSouth. It was a bit of a bureaucratic slog to get it installed in a residential location. It was also pretty e

I had a 128k ISDN link through the 90s from BellSouth. It was a bit of a bureaucratic slog to get it installed in a residential location. It was also pretty expensive; fortunately I had a stable of clients that justified the cost. For a relatively brief period of time, it was pretty great tech.