Amazon.com: Headset Cable Adapter A10-16 Direct Connect Compatible with Plantronics Headsets, GTW 66268-03 by Global Teck, Compatible with EncorePro, Plantronics, Addasound, VXI : Electronics
Amazon.com: QD Adapter HIS Cable for Plantronics and VoiceJoy Headsets QD Adapter for Yealink Phones and Workable for Avaya IP 1608, 1616, 9601, 9608, 9611, 9611G, 9620, 9630, 9631, 9640, 9641, 9650, 9670 : Electronics
Amazon.com: VoiceJoy QD Adapter HIS Cable Compatible with Plantronics Headsets Adapter for Yealink Phones and workable for Avaya IP 1608, 1616, 9601, 9608, 9611, 9611G, 9620, 9631, 9640, 9641, 9650, 9670 : Electronics
Plantronics HIS Adapter Cable - 72442-41 for sale online | eBay
Amazon.com: U10P U10-P Headset Adapter Cable Quick Disconnect Cable to RJ9 Plug Adapter Replacement for Plantronics QD Headsets Compatible with Avaya 2400,4600 Series,Nortel Mitel Aastra NEC and More : Electronics
Plantronics His Adapter Cable x2 PN 72442-41 Boxed! | eBay