Technical Information Connector on First End: RJ-45 Male Network Connector on Second End: RJ-9 Female Phone Conductor: Copper Device Supported: Headphone Miscellaneous Compatibility: Sennheiser BW 900 Bluetooth Headset Avaya: Partner 18D Phone Partner 34D Phone Partner Call Assistant 48 2420 Phone 4610sw IP Phone 5410 Digital Phone 5420 Digital Phone 9640G IP Phone Panasonic Phone: KX-T7433 KX-T7633 KX-DT343 KX-TD7896 KX-UT113-B KX-UT123-B KX-UT133-B KX-UT136-B Nortel IP Phone: 1120E 1140E 1230 Nortel Norstar Phone: T7208 T7316e M2008 Nortel Meridian Phone: M7208 M7324 Plantronics Headsets: CS50 CS55 CS70 HW251 HW261 Polycom SoundPoint IP Phone: 331 335 450 Aastra IP Phone: 6731i 53i 55i 57i 57i CT Polycom SoundStation IP Phone: 2 2W Aastra IP Phone: 6731i 53i 55i 57i 57i CT

Technical Information Connector on First End: RJ-45 Male Network Connector on Second End: RJ-9 Female Phone Conductor: Copper Device Supported: Headphone Miscellaneous Compatibility: Sennheiser BW 900 Bluetooth Headset Avaya: Partner 18D Phone Partner 34D Phone Partner Call Assistant 48 2420 Phone 4610sw IP Phone 5410 Digital Phone 5420 Digital Phone 9640G IP Phone</li