You can use Headset signalingsetting to configure DECT headsets to your phone
Before you begin
Check if the headset supports Electronic Hook Switch (EHS) signaling.
Procedure
Press Main Menu.
Scroll to Settings and press Select.
Scroll to Audio settings and press Select.
Scroll to Headset signaling.
Press Toggle to select one of the following options:
Disabled: You can disable the signaling from the phone to the headset.
Switch hook and alert: You can activate the link to the headset if you press Headset. When the phone receives an incoming call you hear the alert tone in the headset.
Switch hook only: You can activates the link to the headset if you press Headset. When the phone receives an incoming call you do not hear the alert tone in the headset.
