Amazon.com: RJ9 Office Headset HD Voice for MITEL Nortel Meridian Polycom NEC ShoreTel Xblue Phones, Plus 3.5mm Adapter (Binaural) : Electronics
Amazon.com: Phone Headset RJ9 with Noise-Canceling Mic and Volume Mute Control Telephone Headset Compatible with Polycom Mitel Fanvil HUWEI Shoretel NEC Siemens Aastra Plantronics Landline Phones Black : Electronics
Mitel 8568 Handset Receiver | Mitel 8568 Replacement Handset | Handpiece for Mitel 8568 Phones | Headset Store
Project Telecom Telephone Splitter Training Headset Bundle - 2 Users | Compatible with Mitel 8568: Amazon.co.uk: Electronics & Photo
Mitel phone headset with single ear dual ear interchangeable function. HD voice quality and noise free. Super smooth silicone ear cushions