The plantronics apv 62 electronic hook switch can be used with the plantronics range of dect headsets to enable a headset user to place or receive a call without the need to lift the handset thereby eliminating the need for a mechanical device such as the plantronics hl10 handset lifterthis cable is compatible with the following avaya telephone models 160816162410463054106416m6424m96209630964096509670