The advanced Yealink Headset Apapter EHS60 provides a technical interface between your Yealink DECT Headset and a compadible desk phone (Cisco/Avaya/Poly/Grandstream). The unit is easy to install. Its plug-and-play effectively allows you to remotley control your phone calls including answering, rejecting, muting, hanging up, switching between multiple calls, and adjusting the volume. It has been specifically designed to ensure maximum productivity in buisness applications such as receptions and call centers and is an ideal choice for the Corprate, Financial, Healthy, Governmental, Educational, Industrial and SME/SoHo market sectors. Features - Easy Connection between WH6X DECT Headsets and third party phones - Comprehensive Phone control by WH6X DECT Headsets - Plug and Play for immediate use - Convinient 3 cables package to cover Cisco/Avaya/GS/Fanvil/Poly phones