This U10P Polaris Cable is only compatible with Plantronics H-series headsets to the following telephones with a built-in amplifier. Electra Elite DTerm, Series E, Models DTU-8, DTU-8D, DTU-16, DTU-16D, DTU-32, DTU-32D, DPT-8, DPT-8D, DPT-16, DPT-16D, DPT-32, DPT-32 SoundPoint IP Phone Series, Models 300, 301, 335, 430, 450, 500, 501, 550, 600, 601, 650 & 670 IP Phones DKT-3001, DKT-3010S, DKT-3014SDL, DKT-3020S, DKT-3020SD (MUST HAVE TOSHIBA "BHEU ADAPTER" FOR ON HOOK ANSWERING.) Coiled cord connects any Polaris headset with Quick-Disconnect plug to phones with compatible headset ports. Polaris cord, replacement. Quick Disconnect to male modular plug. Polaris Plantronics headset are used on phones equiped with built-in amplifiers. Buyer is responsible for paying any governmental taxes.
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