The Link Remote Call Control Adapter from Jabra is an electronic hook switch (EHS) adapter designed to provide wireless call capabilities to a variety of desk phones including Avaya, Alcatel, Shoretel, and Toshiba. The adapter enables users to connect to Jabra wireless headsets at a distance of up to 450 ft. Once connected the user can hear the ring tone in their headset, answer and end calls, adjust the volume, and mute the microphone.