General-purpose software audio FSK modem
Minimodem is a command-line program which decodes (or generates) audio modem tones at any specified baud rate, using various framing protocols. It acts a general-purpose software FSK modem, and includes support for various standard FSK protocols such as Bell103, Bell202, RTTY, NOAA SAME, and Caller-ID.
You can contact the maintainers of this package via email at
minimodem dash maintainers at fedoraproject dot org.