This is so useful circuit for us Because If our caller is in hold on position we can allow them to listen a music.When you want to operate this circuit you can hold on your phone and switch on the S1. The RED wire from the phone jack is typically positive and the GREEN wire is negative or ground.
Monday, October 26, 2009
Hold The Phone With Music
This is so useful circuit for us Because If our caller is in hold on position we can allow them to listen a music.When you want to operate this circuit you can hold on your phone and switch on the S1. The RED wire from the phone jack is typically positive and the GREEN wire is negative or ground.
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