Plantronics APP-51 EHS Hookswitch for Polycom IP Phones

The Plantronics APP-51 is an electronic hook switch cord for use with Polycom SoundPoint IP telephones and Plantronics wireless headset solutions.Plantronics APP-51 Features Connects your SoundPoint IP telephone to Plantronics CS500, Savi 700, and Savi Office series wireless headsets Provides remote one-touch answer/end call control for your wireless headset Eliminates the need for an HL-10 handset lifter Compatibility Polycom SoundPoint IP Models - 320/321, 330/331, 335, 430, 450, 550, 560, 650, 670 Wireless Headsets - CS510, CS520, CS530, CS540, W710, W720, W730, W740, W745, WO100, WO200, WO300, WO350 new HP Part# HP SKU:85Q60AA