roardtmf(1) on Linux
The text b8bce6ac2a87, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it. The page shows this text now.
Generate DTMF (telephone touch tones) for RoarAudio
Flags it lists
-
--help -
--rate -
--server