I don't know much about this, but since nobody else has replied yet:
Originally a European signaling protocol, 5-Tone has numerous formats such as CCIR, ZVEI, ZVEI2, DZV1, EEA, EEA2, DAPL, EIA and DTMF (Dual Tone Multi Frequency)
Contribute to EliasOenal/multimon-ng development by creating an account on GitHub.
github.com
^ link to the project
multimon and multimon-ng are both available in the Ubuntu repositories and likely for other Linux distros as well (or you could compile it yourself). I have no idea what the Windows scene for it looks like, though.