The Polycom Female RJ9 to Male 2.5mm Headset Adapter allows you to plug your headset into the 2.5mm headset jack of your phone. This adapter is a quick and easy solution for your phone if you have a headset jack.

Required for the following Polycom SoundPoint IP phone models:

320 series
321 series
330 series
331 series

Not sure if this is the right adapter for your needs? To check for compatibility with your phone, give us a call at 1-800-HEADSETS (1-800-432-3738).