> Corded Headsets for 2.5mm Headset Jack
Headsets for Phones with a 2.5mm Headset Jack
All of the headsets below have a 2.5mm single plug prong at the end of their cords. If your cordless phone, corded phone or cellular phone has a standard, single small round hole marked "headset," you should be able to use any of the headsets below.
Plantronics Corded Headset