Customizing Your Phone63To enable dual headset via web user interface:1. Click on Features->General Information.2. Select Enabled from the pull-down list of Dual-Headset.3. Click Confirm to accept the change.NoteE911E911 (Enhanced 911) is a location technology that enables the called party to identify thegeographical location of the calling party. For example, if a caller makes an emergency call toE911, the feature extracts the caller's information for the police department to immediatelyidentify the caller's location.E911 Location TipThe system administrator configures geographical location for users on the Skype for BusinessServer. After user signs in, the geographical location is downloaded to the phone. Ifgeographical location is not provisioned by the server, an E911 location tip will appear toprompt the user that the location of the phone is not set.Dual headset is configurable via web user interface only.