audial(1nas) on Linux
The text d7a59ea98516, as Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
generate or recognize touch tones for North American telephones
Flags it lists
-
-audio -
-duration -
-gain -
-microphone -
-pause -
-recognize -
-spacing -
-time -
-volume