Mobile phone key or button tone
A distorted percussive tone made with a drum machine and a resonator effect.
Analog tone loop with short delay, made with a synthesizer
Low-pitched, synthesized tone. Fast drone.
Quick blip from key pad of touch tone phone
A bright percussive tone made with a drum machine.
Long single key tone as mobile phone switched off.
A single, low-pitched, synthesized tone in G.
Phone line tone, beeps and flatline.