I doubt many people are in on a Friday night faxing between rooms of their apartment, cia space (Starlink)….
I am quite surprised how well it works. Brother Fax > PSTN<>Dect converter > n510 > Starlink. Via some German hackers over at #epvpn On the other side fixed line internet > n510 > PSTN<>Dect converter > HP MFP.