roardtmf - Generate DTMF (telephone touch tones) for RoarAudio
roardtmf [OPTIONS]... PHONE NUMBER
This tool generates DTMF (telephone touch tones) signals and send them to the RoarAudio sound server.
In addition to the DTMF digits (0-9, A-D, * and #) space, period (.) and plus (+) are accepted and ignored so you can copy and past the phone number from any application easily.
For history information see RoarAudio(7).