Equivalent to Plantronics HIC Adapter Cable. The Quick Disconnect (QD) capability allows the headset to detach without losing the call. To directly connect your headset to specific Avaya IP phones, including the following models: 2410, 2420, 4406, 4412, 4424, 4406D+, 4412D+, 4424D+, 4424LD+, 4610SW, 4620, 4620SW, 4621SW, 5410, 5420, 5610, 5620, 6416D+M, 6424D+M, 9404, and 9408.
