How to Change a Digium Phone's Display Settings
When Logged into the Switchvox as an admin:
Navigate to Setup
Select Manage under the Extensions header
Login to the newly created extension
Select the Features tab
Navigate to Phone Features
Select the Phone Settings tab
Select the Digium Phones tab.
Navigate down to the Display section.
From here there are several options available. Select the one(s) you wish to change and select Save Phone Settings when done.