S sureshefac New Member Nov 13, 2007 #1 I want a circuit for on hook and off hook the PSTN line. There are some ICs for doing that but they are not available in the market and also expansive. So I seek a circuit for doing on and off hook
I want a circuit for on hook and off hook the PSTN line. There are some ICs for doing that but they are not available in the market and also expansive. So I seek a circuit for doing on and off hook