GN Netcom direct connect headsets are specially designed for telephones with modular Headset jacks built-in the telephone(marked with the word "headset" or have a symbol of a headset on the side or back of the telephone). These telephones have built-in amplifiers. If your telephone is not listed below, please choose from the regular GN Netcom Headsets section as well as the GN Netcom 8000 amplifier.

<= Modular Jack

This a is list of telephones known to be GN Netcom Direct Connect compatible:

• Northern Telecom: Meridian SL1 models M3903, M3904, M3905; Meridian Norstar models M7310, M7208, M7308, M7316, T7316, M7324, M7900, NT8B20, NT8B30, NT8B40, NT8B50; SL100 model NTZK23AA, AB: (M2216):ACDI
• NEC: Electra Elite Dterm Series E models DTU-8, DTU-8D, DTU-16, DTU-16D, DTU-32, DTU-32D, DTP-8, DTP-8D, DTP-16, DTP-16D, DTP-32, DTP-32D; Dterm Series i; Aspire
• Mitel: SuperSet 4000 Series models 4015, 4025, 4125, 4150; IP Phone: models 5020, 5020i, 5140, 5220
• Siemens: Optiset E (CA or HA Option Module)
• Polycom: SoundPoint IP Phone: model 500 (revision E or later) and model 600
• GE: Model 2-9451
• 3Com: Model 3102
• Toshiaba: DKT 3001, 3010S, 3020S, 3020SD, 3014SDL
• Inter-Tel: 8520, 8560, 8600, 8620, 8660, 8662, 8690
• Iwatsu: IX 12KTD-3 and IX 24KTD-3
• Uniden: 420 and 450

As well as others that may not be on this list. If you are unsure, use our GN Netcom Headset Compatibility Guide.