Identity - Features (Tab) - General (Section): Disconnect On-hook
N/A
from 8.4: See "Description"
from 8.7: Splitted from global to identity-based
When the handset or headset is placed on-hook during a call, and this setting is enabled, that call gets disconnected (as configured by setting cancel_conference), otherwise that call remains connected only the audio device changes to handsfree mode.