NEC DSX headset adapter for PlantronicsTightly integrates your headset system with the DSX to provide enhanced wireless mobility and call aPlantronics lifter not requiredCompatible with all Plantronics wireless headset systems that support a handset lifter, including thCompatible with DSX 34-button backlit display telephone Series 2 (or higher) and DSX 34-button Full
Connect Plantronics Wireless Headset System directly to a DSX telephone headset jack, compatible with all Plantronics CS55, CS70, SupraPlus Wireless and Voyager, HL10 handset lifter not required, compatible with these DSX and SL1100 phones: 1090021 (Series 2 or higher), 1090026 (Series 2 or higher), 1090023, 1090028, 1090034 or 1090035, DSX system software 2.25 or higher is required for WHA applications, gray.
Brand: NEC, Model: 1126-NEC-1091054