Telephone pickup sounds have become a staple of online video because they instantly set up a conversation without any explanation. Editors use them in prank calls, reaction videos, skits, and meme compilations to signal that someone is on the other end of the line. The effect works across formats, from short vertical clips to longer comedy sketches, because almost everyone recognises the sound of a handset being lifted. Its simplicity is the point: a few seconds of everyday audio can frame a joke, a reveal, or a dramatic pause.