Getting high on POTS
There's nothing wrong with a little analog technology. Just try a little. They say it's a gateway, but it's more like a router... This video is my way of lightly introducing you to some basic concepts that might be useful in your automation or other home needs.
Cisco ATA 192:
https://amzn.to/3OTn2Ir
AT&T 210 Wall Hanging phone (the ones on the table):
https://amzn.to/448Nx0U
Analog PBX:
https://amzn.to/446YQH5
Panasonic Cordless (KX-TGD610B, the black one, no answering machine):
https://amzn.to/45sppHA
V-Tech Cordless (VG104, the neat one with the answering machine):
https://amzn.to/3QBle8g