2.5 mm Headset Cord for Plantronics QD Compatible Headsets Smith corona headsets Mute switch to silence your

Mute switch to silence your own voice during calls

some nortel phones

separate purchase

each phone system takes different cords

2.5 mm Headset Cord for Plantronics QD Compatible Headsets Smith corona headsets Mute switch to silence your2. 5 mm Headset Cord for Plantronics QD Compatible Headsets Connects directly to a 2. 5mm Jack headset jack on most basic cordless phones along with some Polycom and Panasonic, AT & T Phones, Cisco SPA models Allows you to connect any Plantronics QD compatible headset to a headset port that is 2. 5 mm headset jack For Cisco SPA phones Quick Disconnect (QD) capability allows your headset to detach without losing your call Can use with any Plantronics