How to set an EHS headset (for example: Plantronics cs500 with Electronic Hookswitch) on deskphones.



Step 1: Locate the headset plug in the back of the phone.

  • For a 6865


  • For a 6867



Step 2: Remove the adaptor

  • Pull on the tab



Step 3: Connect the headset cable to the jack

Step 4: Set the phone for Electronic Hook Switch

  • Press menu key 
  • In 6865:
    • Option List > 1 Preferences > 5 Set Audio > 1 Audio Mode > Headset > Set
    • Option List > 1 Preferences > 5 Set Audio > 3 DHSG > DHSG is ON > Set
  • In 6867
    • > Audio > Headset > DHSG > DHSG is ON