I hate to disagree with our esteemed moderator, but at least into
>the late 1950s and probably into the 1960s, [TWX] was a manual service
>on regular DC telegraph grade channels.
August 31, 1962 was the date of the nationwide cutover to dial TWX.
Re: History AT&T early modem developments? [telecom]
Mar 14, 2008
0 Replies
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