If it's something urgent,
leave a message after the BEEP."
Money Heist Season 1, Episode 4
Beep bop boop bop.
The Big Bang Theory Season 7, Episode 20
(HIGH PITCHED BEEP)
Westworld Season 2, Episode 6
What's with the wand and the BEEP?
The Big Bang Theory Season 4, Episode 18
(MACHINES BEEP)
The Big Bang Theory Season 6, Episode 20