GN9350e Headset and Base, Noise Canceling, US DECT, Dual Mode: IP and Telephony, 1.9 Ghz, Microsoft OC/Lync Certified

BIZ 2400 Stereo Noise Canceling Duo USB headset, Supporting the Industry's 1st Integrated Bluetooth Chipset for Mobile, & Applicable Bluetooth Enabled Office Phone Connectivity. Microsoft OC/Lync Cert

BIZ 2400 Stereo Noise Canceling Duo USB headset, Supporting the Industry's First Integrated Bluetooth Chipset for Mobile, and Applicable Bluetooth Enabled Office Phone Connectivity

Link 20 Avaya/Alcatel EHS Cord