he Plantronics APS-11 Electronic Hook Switch (EHS) enables wireless headset users to place or receive calls without the need to lift the handset of your Siemens & Aastra phones.

Siemens: OpenStage 40, 60 & 80; Optipoint 410, 420, 500 & 600

Aastra: 6771, 6773, 6775,  6739i, 6753i, 6755i, 6757i, 6757iCT, 5370 & 5380

Freedom to move away from your Seimens phone and answer calls from wherever you are, simply with a press of  your wireless headset call control button.

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 APS-11 EHS only works with the following Plantronics wireless headsets: CS510, CS520, CS530, CS540, all Savi 700 series, Voyager Legend CS, MDA 200, Savi WO300 & Savi WO350. Use the APS-1 for earlier model headsets.