YealinkPhone Headset RJ9 with Noise Canceling Wideband Headset with Mic Telephone Headset Compatible for Cisco Avaya Polycom Grandstream Snom VoIP Phone

Yealink Phone Headsets for Office Phones YHS36 QD to RJ9 Wired Headset Compatible with Cisco Desk Phones 8800/7800/7900/6945 Series Landline Telephone Headset with Microphone -Mono/124g/2.1m Cable

Telephone Training Adapter Y Splitter+Mute Button for Headset for Nortel Meridican, Norstar, Avaya, Ashtra, Mitel, Polycom, Ge and Other IP Phone

Wantek Corded Telephone Headset Mono w/Noise Canceling Mic Compatible with ShoreTel Plantronics Polycom Zultys Toshiba NEC Aspire Dterm Nortel Norstar Meridian Packet8 Landline Deskphones(F600S2)