Details
Poly HIC-10 allows you to connect any Poly H-series headsets to an Avaya phone models 1408, 1416, 2410, 2420, 4424D+, 4606, 4610, 4610SW, 4612, 4620, 4620SW, 4621, 4621SW, 4622SW, 4625SW, 4625SW, 4630, 4630SW, 5410, 5420, 5610, 5620, 5621, 6416D+M, 6424D+M, 9404, 9406, 9408, 9504, 9508.
Please also check compatibility tab.