Comdial Headsets compatible with the later model Comdial Phone Systems, such as the DX80, DX120, and the Comdial Edge 120.
You will like the wireless headsets better then wired headsets as you will not be tethered to the phone. The wireless headsets allow for you to move freely. The wired headsets are like long hair, you will always be moving the cable out of the way.M
On the Wireless Headsets you cannot be away form the phone and have the ability to place a call on hold.
On the earlier model Comdial Phones require an external headset amplifier. Flip you phone upside down and see if your phone has a Headset Jack. If there is not a headset jack you might need a headset amplifier. Also check you phone user guide and see how to place you phone in headset mode.