The lightweight and practical Plantronics APP-51 EHS cable connects to your telephone to allow you to answer and end calls with your Plantronics headset when you are away from your phone. It is completely electronic and therefore does not require a mechanical device to lift the handset.
Compatible with the following Polycom telephones:
- With 2.5mm/RJ11 adapter: IP 320 / 330
- Direct: Soundpoint 430 / 550 / 560 / 650 / 670