- Provides direct connection between your Avaya telephone's built-in headset port and any Plantronics H-Series headset
- Allows for one-touch headset operation via programmable buttons or fixed headset button
- 1408, 1416
- 2410, 2420
- 302D
- 4406D , 4412D , 4424D , 4424LD
- 4610SW, 4620, 4620SW, 4621SW, 4625SW, 4630, 4630SW
- 5410, 5420
- 5610SW, 5620SW
- 6416D M, 6424D M
- 9404, 9408
- 9504, 9508
HP is converting Plantronics part numbers -