Avaya 1150E - Manual (Page 93)

Configuring Local Menu options
93
1. Choose the Headset... option in the Preferences menu of the Avaya
1150E IP Deskphone. See the following figure.
Making a change in the Headsets... menu page takes 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.