Telephone System Compatibility
Extra Part Needed:
One line Music-On-Hold adapter
Provides a 3.5mm input jack
Two line Music-On-Hold adapter
Provides Music-On-Hold function on all the telephones and extensions up to 2 lines and up to 16 telephones
Activates using the telephone's HOLD button or Flash button (on a cordless phone via Flash button only.
Not guaranteed to work with 4 line phones (even with 2 lines connected) via HOLD, but works via FLASH.
Phone line powered, no batteries or AC adapter, fits anywhere.
Simple, easy to install and operate.Just connects to a wall jack or connects to one of the phones only!
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