• HIS cord for Plantronics H/HW series Headsets on SOME Avaya phones 
• Allow basic connections to Avaya 9600, 9610, 9620, 9630, 9640, 9650 IP phones
• Dasan Manufactured for Plantronics QD compatible headsets, will work with any headset that has the Plantronics compatible quick disconnect on it. Generic version part#72442-41
• Can also use with VXI P series, Smith Corona P Series, Starkey PL Series and any headset with Plantronics QD compatibility
• Contact us if you have any questions regarding compatibility with your headsets or telephones.