The Plantronics APU-72 Electronic Hook Switch (EHS) module enables wireless headset users to place or receive calls without the need to lift the handset of your Cisco 8961, 9951 & 9971 series phones.

This EHS cable also works with Avaya (formerly Nortel) 1120E, 1140E, 1150E, 1165E & Samsung SMT-i5343 phones.

When a call is received, you will hear a tone in your ear.  Simply press the talk button to answer the call.   Press again to hang up.

The Plantronics APU-72 EHS works with the following Plantronics wireless headsets: CS510, CS520, CS520, Savi WO300, Savi WO350, Savi 700 series. Use the APU-7 for earlier model headsets.