![Converter Adapter | Converts RJ-9 to 2.5mm for phones that have a 2.5mm jack., (2200-11095-002) Converter Adapter | Converts RJ-9 to 2.5mm for phones that have a 2.5mm jack., (2200-11095-002)](https://cdn11.bigcommerce.com/s-dc251/images/stencil/500x659/products/811/3061/RJ9_2.5mm_adapter__41590.1504821415.jpg?c=2)
Polycom
Converter Adapter | Converts RJ-9 to 2.5mm for phones that have a 2.5mm jack
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The Plantronics QD Mute Switch #27708-01 fits between Plantronics H and HW-Series corded headsets and cables/adapters to allow agents to mute the Plantronics Headset microphone.
Sample compatible headsets: