EPOS , SENNHEISER Electronic Hook Switch Cable, 3.20 ft RJ-45/RJ-9 Phone Cable for Wireless Headset, IP Phone, Phone, Electronic Hook Switch, First End: 1 x RJ-45 Network, Male

In combination with EHS-compatible NEC digital phones, the CEHS-NEC 02 cable for electronic hook switch is compatible with the wireless IMPACT SDW 5000, DW, SD and D 10 headset Series. Please check headset compatibility guide for more information..