On 01/02/2025 21:35, David Wise wrote:


My experience (Tektronix mainframe via Vadic 2400) was POTS, early 1980's.

By the early 1980s V.22 and V.22bis were common (I had a desk full). This bing in the early 1970s, is what's intriguing me. People with large budgets had better toys and I want to know about them :-)

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