audial(1x) on Linux
The text 07826db044b9, as Debian 1.3 (Bo), Debian 1.2 (Rex), Debian 1.1 (Buzz) shipped it.
generate or recognize touch tones for North American telephones
Flags it lists
-
-audio -
-duration -
-gain -
-microphone -
-pause -
-recognize -
-spacing -
-time -
-volume