The port can take up to 2 volts P-P. Did you turn the feature on in programming (#602)? Once you make it active, you can go to any system phone with a speaker and press FEATURE 19 and you will have background music. You also have to program transfer with music if that's what you want to do.
The port can take up to 2 volts P-P. Did you turn the feature on in programming (#602)? Once you make it active, you can go to any system phone with a speaker and press FEATURE 19 and you will have background music. You also have to program transfer with music if that's what you want to do.
Carl