The plantronics apv 63 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 lifterdesigned foravaya 2410 4630 5410 6416dm 6424dm avaya one x deskphone edition 9620 ip telephone 9630 ip telephone 9640 ip telephone 9650 ip telephone avaya one x deskphone value edition 1608 1616pla