The following illustration shows the full menu tree of the display menu.

ContactsDirectory
Select ServicesCall DivertAccount  nAll Calls

When Busy
No Answer
The settings for account 1 - 4 are the same.
Withhold Number
Call Waiting
Active Ringbacks
SettingsDate + Time
Audio SettingsRingtonesVolume
MelodiesDefault Ringtone
External Calls
Internal Calls
Group Calls
Doorstation
Anonymous Call Silencing
Advisory TonesConfirmations
Key Click
Call VolumeHandset
Handsfree
Headset
Display

Screensaver
Brightness
Screensaver brightness
Standby brightness
Colour Scheme
Language
Local Network (Password protected)
VLAN (Password protected)New in 2.12
Reset (Password protected)
RebootNew in 2.13
Info