NEC univerge sv8100 Installation Manual page 23

Here can be seen the currently plugged in extension and the information relating to this.
By highlighting an extension then pressing Detail you can view/change the handset/headset
operation within TAPI. Select the mode required. Auto Speaker Mode if the extension has
no headset or Auto Headset Mode if extension has headset.
To exit, click CANCEL then click OK until you have exited to the Control Panel. Double-click in
the upper left hand corner of the Control Panel to close the window.