Electronic Hook Switches (EHS) communicate electronically with your phone giving your wireless headset answer/end and ring alerts remotely. The use of an EHS cable eliminates the need for an HL10 handset lifter. (Formerly 37819-01 - APA-20 & APA22)
For use with Plantronics wireless headset models: CS500 Series (CS510, CS520, CS530, CS540), Savi Office (WO100, WO200, WO300, WO350), Savi 700 Series (W710, W720, W730, W730M, W740, W740M, W745)
Compatible with Alcatel - Lucent phone models: Touch 4029, Touch 4039, IP Touch 4028, IP Touch 4038, IP Touch 4068, Octophon open 140 IP, Octophon open 141, Octophon open 150 IP, Octophon open 151, Octophon open 160 IP, Octophon open 140 IP, Octophon open 141, Octophon open 150 IP, Octophon open 151, Octophon open 160 IP
Click on the Hook Switch guide below for compatibility information with your phone.