yesman@lemmy.world to linuxmemes@lemmy.world · 2 年前Old Headlemmy.worldimagemessage-square76fedilinkarrow-up1883arrow-down113file-text
arrow-up1870arrow-down1imageOld Headlemmy.worldyesman@lemmy.world to linuxmemes@lemmy.world · 2 年前message-square76fedilinkfile-text
minus-squareNaoPb@eviltoast.orglinkfedilinkEnglisharrow-up7·2 年前Could work in theory. Back then there it had sonething like 40 volts going through the line and you needed some decent power to make the bell in the phone ring. But I don’t know if that’s still in use these days.
Could work in theory. Back then there it had sonething like 40 volts going through the line and you needed some decent power to make the bell in the phone ring.
But I don’t know if that’s still in use these days.