Amazon.com: VoiceJoy Office Headset with RJ9 Plug for Cisco IP Phones 7940 7960 7970 6921 Series 8811,8841,8851,8861,8941,8945,8961,9951,9971 etc : Electronics
Yealink YHS34 Lite Dual Wideband Wired Headset for IP Phones — Baltic Networks
Headset Headphones Adjustable Volume Mute Control for Cisco Ip Telephone 7931 7940 7960 7970 7962 7975 7961 7971 7960 M12 M22 and All Series : Amazon.in: Electronics
Plantronics Wireless Headset for Cisco IP Phones 7965G and 7962G
OvisLink Digium D80 IP Phone compatible headset
Plantronics CS510 Wireless Headset - IP Office Direct