It's been years since I've seen a landline, but as of a ~decade ago you could still dial "rotary" by tapping the receiver hook with the correct spacing. (1 cli

It's been years since I've seen a landline, but as of a ~decade ago you could still dial "rotary" by tapping the receiver hook with the correct spacing. (1 click to dial a "1," 2 clicks to dial a "2," etc. with a pause between digits.)