Use this in-line adaptor switch to ensure that any telephone headset will operate with any telephone amplifier or system phone. Now you can use other amplifiers with your Plantronics Headsets or you can use other manufacturers headsets with your existing Plantronics Vista Amplifiers & Phones.
- RJ10 Socket for Headset connection (same size as a standard handset plug).
- 2 Sliding switches to configure a headset to be compatible with most telephones.
- Connects via an RJ10 plug to either headset or handset socket.