Back in the 70s, I dialed a number on my parent’s rotary phone. When the remote computer answered, I would shove the handset into the earmuffs on the acoustic c

Back in the 70s, I dialed a number on my parent’s rotary phone. When the remote computer answered, I would shove the handset into the earmuffs on the acoustic coupler[1]. It usually worked. I don’t remember if the baud rate was 300 or 110. 1. https://en.m.wikipedia.org/wiki/Acoustic_coupler https://en.m.wikipedia.org/wiki/Acoustic_coupler