Only compatible with 2.5mm headset and some phone models listed below.

This amazing adapter converts the standard phone headset 2.5mm plug to an RJ9, RJ10, or RJ22 headset plug, allowing you to use your favor...

Buy Now From Amazon

Only compatible with 2.5mm headset and some phone models listed below.

This amazing adapter converts the standard phone headset 2.5mm plug to an RJ9, RJ10, or RJ22 headset plug, allowing you to use your favorite 2.5mm headset with your office VOIP phone.

COMPATIBLE PHONE LIST: BUY ONLY IF YOU HAVE ONE OF THE PHONE MODELS IN LIST. DO NOT BUY THIS ITEM IF YOU DON'T HAVE ONE OF THE PHONE MODEL IN LIST.

Aastra: Dialog 4222 4223 4224 4225
Adtran: IP321 331 430 650 670 706 712
Alcatel-Lucent: 4004 4020 4022 4035 4037 Telephones
Ascom: Berkshire 200 400 600 800 SD30 MR30 MR51 MR61
AVAYA / Lucent: 6402D 6408D+ 6416D+M 6424D+M 8403 8410D 8434DX 4406D+ 4412D+ 4424D+ 4424LD+ 1408 1416 2410 2420 4610 4610SW 4612 4620 4620SW 4621 4621SW 4622 4622SW 4625 4625W 4630 4630SW 5410 5420 5610 562056215625 9404 9406 9408 9504 9508 DT1 DT3 DT5
Cable & Wireless: CWB 100H CWB 200H CWB 500 CWB 600
Commander NT40: Commander NT Economy Standard Advantage Principle
Doro/Audioline: AUB3MW AUB6MW AL505 Casino Congress 100 200 X50 Sim 200 Sensor 500 TEL15HS
Elmeg: 290
Ericsson: Dialogue 4147 Dialogue 4186 MD110
Gigaset: DE310 DE410 DE700IP DE900IP
Hybrex: DK1-21 DK2-21 DK3-21
Interquartz: Gemini Gemini 9330-AV Gemini 9335 CLI Gemini 9335-AV Gemini Speakerphone Enterprise Speakerphone Enterprise Discovery Interquartz 98380
Lazerbuilt: Prestige 905K 906K 907K
Orchid: DBT 2000 DBT 3000
BT Converse: 220 225 300 320 325 420 425 1100 1200 1300 1400 Paragon 450
Plantronics: A100 S10 S11 S12 S50 T10 T20 T50 T100 T110 SP-02 SP-04 SP-05 A100 T50 T100 PLX-400 PLX-500
Safecom: SDSIP-500IP SIP Phones
Ulytel: Ulytel 1 Ulytel 2 Ulytel 5 Ulytel 4 (2-line)


  • 1
  • 1

Similar Products

CablesOnline, 1ft 3.5mm Jack to RJ9/RJ10 iPhone Headset to Cisco Office Phone Adapter Cable, IP-CS01Headset Buddy Female 3.5mm OMTP Smartphone Headset to Male RJ9 Telephone Plug Adapter (PH35-RJ9a)VCE 2.5mm Male to 3.5mm Female Stereo Jack Cable AdapterPanasonic Hands-Free Foldable Headset with Volume Control & Mute Switch for Panasonic KX-TG6071B, KX-TG6072B, KX-TG6073B, KX-TG6074B 5.8 GHz Digital Cordless Phone Answering SystemAGPtEK Hands-Free Call Center Noise Cancelling Corded Binaural Headset Headphone with 4-Pin RJ9 Crystal Head and Mic Mircrophone for Desk Phone - Telephone Counseling Services, Insurance, HospitalsWantek Corded Telephone Headset Mono w/Noise Canceling Mic for AVAYA Aastra Allworx Adtran Alcatel Lucent AltiGen Comdial Digium Gigaset InterTel Mitel Plantronics MiVoice Landline Deskphones(F600S1)Adapter Converter RJ9/RJ10/RJ12 4P4C Headset/Handset Plug to Mobile Smart Phone Headset Headphone 3.5MM PlugTelephone Training Adapter Y Splitter+Mute Button for Headset for Nortel Meridican, Norstar, Avaya, Ashtra, Mitel, Polycom, Ge and Other IP Phone