Help? The Plantronics CT14 is a great replacement for the 10U100 wireless headset. Q: I have been using the 10U100 wireless headsets with my Avaya Partner phones. I know they have been discontinued; do you have anything else that is similar that will work with my phones? A: Yes-you can use the new Plantronics CT14 with your phones. It is a convertible headset and it has the DEC … Continued