This direct connect headset is the most cost-effective headset solution designed to increase your productivity. This headset will not require any additional adapter nor additional amplifier. Super lightweight RJ9 headset with adjustable headband to fit to your comfort head size, high quality and soft leatherette ear cushion enhance all-day wearing comfort. They plug directly into the headset port at the back of your telephone. Or also work when plug in handset port. The headset complete with a 10-feet coiled cord with RJ9 headset / handset modular plug. You just simply plug this into the headset / handset port on your phone and it is ready to be used. In line mute button and volume control built-in.

Compatible telephone and models: ( NOT for Avaya 9608 9608g 9620l 1608-i )

AVAYA / Lucent: 6402D, 6408D+, 6416D+M, 6424D+M, 8403, 8410D, 8434DX, 4406D+, 4412D+, 4424D+, 4424LD+, 1120, 1140, 1165, 1210, 1220, 1230, 1408, 1416, 3904, 3905, 7208, 7316, 9404, 9406, 9408, 9504, 9508, 2410, 2420, 5410, 5420, 5610, 5620, 5621, 5625, DT1, DT3, DT5, QE4610, 4610, 4610SW, 4612, 4620, 4621/SW 4622/SW, 4625/W, 4630/SW. Not for Avaya model 9608 9608G 9620L 1608-I.

Aastra: 2465, 2564, 390, 480, 480e, 480i, 51i, 53i, 55i, 57i, 57iCT, 554, 564, 565, i733, 1120e, 1140e, 1150e, 1210, 1220, 1230, i2002, i2004, i2004, IP i2004 ,Phase II i2052, 7406, 8540, 9617, 6730i, 6731i, 6739i, 6751i, 6753i, 6755i, 6757i, 6757i, CT 7446i, 9112i, 9133i, 9116, 9143i, 9480i,Dialog 4222, 4223, 4224, 4225, M2216 (ACD I or II), M3905, M4000, M4020, M7208, M7308, M7310, M7316, M7324, M4000, M4020, M5208, M5209, M5216, M5317, M7900, M8001 ,M8003, M9009, M9516, Powertouch 480, 480e, 480i, i2002, i2004, i2004 IP (not for i2400 phase II and i2004 POE ).

Northern Telecom (Nortel Norstar): 1120E IP, 1140E IP, 1150E IP, i2002 (ip2002), i2004 (ip2004 (not for i2400 phase II and i2004 POE ), 1210, 1220, 1230, 2465, 2564, NTZK23AA, AB: (M2216):ACDI, Vista Powertouch 480, 480e, 480i, M2008, M2216, M2616, M3903, M3904, M3905, M7208, T7208, M7308, M7310, M7316, T7316, T7316E, M7324, M7900, M8001, M8003, M9516, M9009, NT8B20, NT8B30, NT8B40, NT8B50, Meridian Option M3110, 3310, 3820,

Mitel: 5000, 5010, 5020, 5040, 5055, 5140, 5201, 5205, 5207, 5210, 5212, 5215, 5220, 5224, 5230, 5235, 5240, 5250, 5312, 5320, 5324, 5330, 5340, 5550, SuperSet 4015, 4025, 4125, 4150.

Plantronics: A100, S10, S11, S12, S50, T10, T20, T50, T100, T110, SP-02, SP-04, SP-05, A100, T50, T100, PLX-400, PLX-500.

NEC: Aspire Electra Elite IPK Dterm Series i DSX, DTL, DTP DTR DTU, SERIES DT300, DT310, DT330, DT700, DT730, DT750, Dterm Series E DTU-8/D, DTU-16/D, DTU-32/D, DTP-8/D, DTP-16/D, DTP-32/D, DTH-8/D, DTH-16/D, DTH-32.

Plantronics: A100, S10, S11,S12, S50, T10, T20, T50, T100, T110, SP-02, SP-04, SP-05, A100, T50, T100, PLX-400, PLX-500.

Polycom: CX100,CX200,CX300,CX500,CX600,CX700300, 301,335,400,430,450,500,501,550,560,600,601,650,670.

ShoreTel: IP100, IP212, 212K, IP230, IP265, IP530, IP560, 560G, IP565, IP565G, IP655, 420, 480/G, 485.

Polycom: SoundPoint 300, 301, 335, 430, 450, 500 (rev. E or later), 501, 550, 600, 601, 650, 670, CX300, CX500, CX600, CX700, VVX300, VVX310, VVX400, VVX410, VVX500, VVX600, VVX1500.

Siemens or ROLM: Optiset E Series Optipoint 600, Optipoint 600, Office OpenStage 4040TDM, 6060TDM, 8080TDM, Phones Module 612624.

Toshiba: DKT-3001, DKT-3010S, DKT-3014SDL, DKT-3020S, DKT-3020SD, Strata CIX DP5022F-SD, DP5023-SD, DP5018-S, DP5000-Series.