Build a PC-to-Phone adapter - Use regular phones with VOIP
I ran across this in a thread on FW…It details how to build this little guy:
It is a PC connection to a regular old phone. So you can use a regular phone like these at home:
Update: This looks to be less work and more quick-and dirty. Probably the way I’d go… They just open it up and solder wires to pads where sound comes in and out.