Empower Third-Party Phones The advanced Yealink Headset Adapter EHS61 provides a technical interface between your Yealink DECT Headset and a compatible desk phone (Mitel/Unify/Poly/Yealink T2X & T4XG). The unit is easy to install. Its plug-and-play allows you to remotely control your phone calls, including answering, hanging up, and adjusting the volume. It has been specially designed to ensure maximum productivity in business applications such as receptions and call centers. It is ideal for the Corporate, Financial, Healthy, Governmental, Educational, Industrial, and SME/So Ho market sectors.