Plantronics APP-50 Electronic Hook Switch (EHS) for Savi Office and CS500 Range Category_Best4Headsets/Special Environment/Ear Defenders by Industry/Aviation Headsets Avaya 5410 Digital

Avaya 5410 Digital

Monaural (Covers one ear)

Encrypted full duplex communication between headsets

Ultra noise-cancelling microphone

the Plantronics Savi HL10 will not work with your phone system

Plantronics APP-50 Electronic Hook Switch (EHS) for Savi Office and CS500 Range Category_Best4Headsets/Special Environment/Ear Defenders by Industry/Aviation Headsets Avaya 5410 DigitalAnswer and end calls from up to 300 feet away from your phone The freedom to move about the office and multi task Comaptible with the Savi Office and CS500 Range of Cordless Headsets. Connects with one simple step Note: * These phones require 2. 5mm to RJ11 converter, which is supplied separately.