Jabra Link 14201-19 optimized for Avaya phones (14201-19) - EHS adapters that provide Electronic Hookswitch Control (EHS) for a wide range of Avaya phones (see Jabra compatibility overview or consult your GN Netcom sales manager or distributor for the right solution) - Enables users to answer and end calls from the Jabra wireless headset up to 150 meters away from their desk (wireless range depending on headset selected) - Can be used with the following Jabra wireless office headsets: Jabra PRO 9400, Jabra GO 6470, Jabra GN9350e, Jabra GN9120, Jabra GN9120 DUO