I ran across this relay, I don't know if it will work into your phone project.
18ma phone line sense relay, detect loop current flow.
formatting link
Mikek
I ran across this relay, I don't know if it will work into your phone project.
Mikek
That will only detect loop current when you take a phone off-hook.
BTW, Teltone was one of my customers when I made thick-film hybrid circuits, 1970-73 ;-) ...Jim Thompson
Hybrid hybrids?
Have something to add? Share your thoughts — no account required.
Ask the community — no account required