music on hold source plugs into the back plain of the cabinet and there is a volume control on the SCC card at the bottom (yellow screw) check the source then the volume
I moved a partner acs 4.0 in a 2 slot carrier with a 206 card, I changed the batteries and reprogramed system. when I set time and date and exited prog. mode the time and date was different, then every time I go off-hook with any phone or in and out of prog. mode it changes.
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