Man pages matching name moduledtmfrepeater.conf in section 5:

ModuleDtmfRepeater.conf.5.en	debian 10 / svxlink-server
ModuleDtmfRepeater.conf.5.en	debian 11 / svxlink-server
ModuleDtmfRepeater.conf.5.en	debian 12 / svxlink-server