Avaya 1140E - Manual (Page 96)

Configuring Local Menu options
96
To enable USB headset
1. Select the Headset option in the Preferences menu of the Avaya
1120E IP Deskphone, Avaya 1140E IP Deskphone, and Avaya
1150E IP Deskphone. See the following Figure.
Making a change in the Headset menu page will take affect immediately,
but only temporarily depending on what further action is taken.
2. Press the Apply button to make the changes permanent.
3. Press Cancel button to discard any changes.