Jabra EHS Adapter for Pro 9400 Series Headsets and Nortel Avaya (14201-32)
Amazon.com: INNOTALK Phone Headset Compatible with Avaya Nortel Phone 1120e, 1230, M3903, M7208, M7324, T7324 - Business Grade Economic Noise Cancel Mic Monaural Headset with RJ9 Quick Disconnect Headset Adapter : Electronics
CISCO Headset Adapter | PC Headset to CISCO Phone Adapter
TruVoice HD-150 Double Ear Noise Canceling Headset Including QD Cable
Amazon.com: MAIRDI Telephone Headset with RJ9 Jack & 3.5mm Connector for Landline Deskphone Cell Phone PC Laptop, Office Headset with Microphone for Call Center, Work for Cisco Phone 7941 7965 6941 7861 8811 : Electronics
Nortel Mobile USB Headset Adapter NTEX14MBE6 Office Phone Answering | eBay
TWO Mute Telephone Training Adapter Y Splitter for RJ9 Headset or Handset for Nortel Meridican, Norstar, Ashtra, Mitel. - AliExpress
2-Prong Handset Headset Adapter with Modular Cord for Nortel M2250 Console *New* | eBay
Package Deal. GN netcom QD cord + Over the ear phone headset for Avaya Nortel 1210, M2216, M5316, NT8B20, M8003. Light weight headset, Free shipping Muti year warranty
Amazon.com: 4P4C RJ9 Splitter Training Adapter Telephone Training Adapter Y Splitter+ Two Mute Buttons for Headset for Nortel Meridican, Norstar, Avaya, Ashtra, Mitel, Polycom, Ge Phones etc : Electronics
RJ9 Splitter Telephone Training Adapter Y Splitter For Headset or Handset for Nortel Meridican, Norstar, Avaya, Ashtra, Mitel, Polycom, Ge and Other IP Phone - Walmart.com
3 PCS TWO MUTE+TWO Volume Telephone Training Adapter Splitter for RJ9 headset Nortel AVAYA
Nortel Headset Adapter for Nortel M3900-series phones
Nortel Networks USB Headset Adapter NTEX14AA B0258398 | eBay
Call Center Headset with RJ9 Jack & 3.5mm Connector for Landline Deskphone Cell Phone PC Laptop, Office Business Telephone Headset with Noise Canceling Microphone for Polycom Avaya Nortel Aastra - Walmart.com
Amazon.com: MAIRDI Telephone Headset with Microphone Noise Canceling, Binaural Call Center Office Headphone with RJ9 Jack & 3.5mm Connector for Landline Phone Cell Phone PC Laptop, Work for Polycom Avaya Nortel :
Package Deal. GN netcom QD cord + Over the ear phone headset for Avaya Nortel 1210, M2216, M5316, NT8B20, M8003. Light weight headset, Free shipping Muti year warranty