Leitner OfficeAlly LH270 Wireless Telephone Headset with USB Work-from-Home Connection - 5-Year Warranty - Works with Cisco, Polycom, Yealink, Avaya, Softphones, VoIP, Skype, and 99% of Office Phones - Wireless Bluetooth Earbuds
Frequently Asked Questions for Cisco IP Communicator - Cisco
Headsets to Suit Your Cisco Telephone | Headsets Australia
PLANTRONICS HW540-CIS Cisco IP Phone Headset 88828-01-CIS
Voyager 5200 Office & UC Series - Mono Bluetooth Headset | Poly, formerly Plantronics & Polycom
How to set up your Cisco IP Communicator mic setup!