TruVoice HD-100 Professional Headset with Noise Canceling Microphone & HD Sound - Compatible with Mitel, Nortel, Avaya Digital, Polycom VVX, Shoretel, Aastra, Digium, ESI, Allworx, Fanvil + More… : Amazon.ca: Electronics
Global Teck Worldwide Sennheiser SD PRO1 Cordless Headset Bundle for Pc, Mac - Compatible with Desk Phones - Cisco, Polycom, Avaya, Yealink, Mitel, IP Telephones, Digital and Softphones : Amazon.ca: Electronics