Adr-210 Hotline Auto Dialer The ADR-210 will automatically dial a preprogrammed number, whenever an associated telephone is taken off hook. Using nonvolatile E2 memory, the ADR-210 is telephone line powered and will operate on any reg telephone line or a loop start central office line or analog PABX/KSU extension. Remote Programming Pause Dialing ( Ability To Add a Pause Like Dial 9 Pause and then dial phone Number) Very Simple Programming