phone hold circuit

Posted on Feb 7, 2014

Although a hold feature is standard on most new phones, a lot of us still use the origional bell phones. Those of us that require a hold feature will find this circuit very useful. It is easy to build, and is compact enough to be installed inside the phone with no real problem. It is also powered by the phone line itself, eliminating the need for

phone hold circuit
Click here to download the full size of the above Circuit.


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