Comments by "User 2C47" (@user2C47) on "ATu0026T Archives: How Did You Do That?" video.

  1. The phones were still just as dumb. It was the equipment that was smart.
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  2. In the 70s, this would have to be accomplished using ANI (part of the billing system), and would only be able to send a phone number, likely by dial pulsing to the subscriber.
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  3. This did not require a digital office, but it did require an office with computer control. In a 1ESS, the voice path was analog, but a computer controlled all the switches.
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  4. Never experienced electromechanical switches, but am somewhat annoyed that there are 3 different area codes serving the same small rural area, meaning that all calls require 10 digit dialing.
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