Comdial Impact 8124S Speaker Phone (Grey/Refurbished)The Comdial Impact 8124S Speaker Phone features everything from one button access to call employees or manage contacts, hands free conversation for increased productivity and multitasking, to faster execution of commands to save you time. Key Features: Shift Button for access to additional 24 autodial locations Auxiliary jack for use with headset, external ringer, recorder, external paging Group Listening System Speed Dial Access Last Number Redial