Plantronics APV6B EHS has been discontinued. If you have one of the older, discontinued Plantronics wireless headsets such as CS55, CS50, CS70N, CS351N, CS361N, you will unfortunately not be able to use the newer EHS cords. Your options would be to get the older model HL10 handset lifter with right angle plug (60961-34), or buy yourself a brand new wireless headset like the CS540
with the new EHS APV-66
Plantronics APV6B Electronic Hookswitch EHS cable for specific Avaya phone models, 83682-01 APV-6B. For use with Plantronics wireless headsets to allow remote call answer/end from the headset without the need for the HL10 handset lifter.VERY IMPORTANT:
Please call us or include your Avaya phone model in the comments box when ordering online so we can make sure you are getting the correct Electronic Hookswitch. There are two different EHS models for Avaya phones and some models also need an additional ring detector.