The new and advanced Yealink Headset Adapter EHS35 provides a technical interface between your Yealink IP phones (T3X) and a compatible Yealink wireless headset (WH62/WH63).
The unit is easy to install, simply link EHS35 to the RJ9 (4P4C) headset port of the phone. Its plug-and-play effectively gives you the ability to remotely control your Yealink phone calls, including answering, rejecting, holding, muting, hanging up, switching between multiple calls, and adjusting the volume.