landline

I had something on my mind for a fwew years lately because we don’t have modem cables in our home but have them in our basement in our internet box what if I made a device that could send a modem signal wirelessly and then revive it at my room for example it wuld be uesed I’ll for people that...

I still have a USB Fax modem left over from when OS X supported such things. I'd like to be able to use my Mac to dial numbers--not to talk through the Mac, just select a number in my Contacts or on a website, dial it, and use the phone (FiOS landline) to talk. Is there any way to do this? All...