
(SHELDON HUMS TONE)
The Big Bang Theory Season 2, Episode 9

Record your message after the TONE.
To send a numeric page...
Breaking Bad Season 2, Episode 11

( modulating electronic TONE )
Westworld Season 2, Episode 6

I assigned her own ring TONE.
"Bernadette" by The Four Tops.
The Big Bang Theory Season 4, Episode 5