You can use wired as well as wireless headsets with the phone.

• Wired headsets
  
  If you want to use a wired headset, connect it to the RJ audio jack labelled .
  
  Note: If both a wired and a wireless headset are connected to the phone, incoming calls will go to the wireless headset.
  
  
• Wireless headsets
  
  
  • Connecting the base station of your headset via the EHS Adapter.
    
    
    • Connect the EHS to the connector labelled EHS .