Re:Why telephone keypads are arranged the way they are
by rootbear on Saturday August 29, 2015 @08:01PM
(#10141785)
Interesting! I always assumed that the keypads were introduced at the same time as touch tones. The era of keypad pulse phones must have been very brief as I'm sure I never saw one. Some early keypad phones lacked the * and # keys. Perhaps these were pulse dialed? Must research...
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