Empower Third-Party Phones The advanced Yealink Headset Adapter EHS60 provides a technical interface between your Yealink DECT Headset and a compatible desk phone (Cisco/Avaya/Poly/Grandstream). The unit is easy to install. Its plug-and-play effectively allows you to remotely control your phone calls, including answering, rejecting, holding, muting, hanging up, switching between multiple calls, and adjusting the volume. It has been specially designed to ensure maximum productivity in business applications such as receptions and call centers and is an ideal choice for the Corporate, Financial, Healthy, Governmental, Educational, Industrial, and SME/SoHo market sectors.