Plantronics Headset adapter cable HIC-1 CE2001 connects any Plantronics QD headset into Avaya phones (24xx, 4400 D+, 54xx, 56xx, 64xx series) The Quick Disconnect (QD) capability allows the headset to detach without losing the call.

To directly connect your Plantronics headset to select 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, 9408