The Plantronics APV-6A Electronic Hookswitch (EHS) cable for Avaya Phones communicates electronically with the phone, eliminating the need for the HL10 lifter when using a Plantronics "CS" Series Wireless headsets (CS50, CS55, CS60, CS70,CS70N, CS351N, CS361N, 510S, 510SL). 1408, 1416, 1608, 1616, 2410, 4630, 5410, 6416D+M, 6424D+M, 9404, 9406, 9408, 9504, 9508, 9608, 9610, 9611, 9611G, 9620, 9620C, 9620L, 9621, 9630, 9630G, 9640, 9640C, 9640G, 9650, 9650G, 9670 Plantronics APV-6B Electronic Hook Switch (EHS) cable for Avaya Phones - communicates electronically with the phone, eliminating the need for the HL10 lifter, allowing you to remotely answer and end your calls without having to be at your phone. Use with the Plantronics "CS" Series Wireless headsets (CS50, CS55, CS70, CS351N, CS3.
eBay