User CA
Allows to Add or Delete User CA file to phone.
System CA Lists trusted CA certificates previously uploaded. Administrator can delete a certificate from here.
Add Certificate
Allows to add or delete User Certificate file to phone.
Table 38: System Settings/Security Settings
System Settings/Preferences
LCD & LED Management
Enable Missed Call
Backlight
If set to “Yes”, LCD backlight will be turned on when there is a missed call on the phone.
The default setting is “Yes”.
Note: Reboot is required for the setting to take effect
Enable Missed Call
Indicator
If set to “Yes”, the LED indicator on the upper right corner of the phone will light up when there is
missed call on the phone.
Default setting is “Yes”.
Enable MWI
Indicator
If set to “Yes”, the LED indicator on the upper right corner of the phone will light up when there is new
voicemail on the phone. If it set to “No”, the LED indicator will keep off if the phone system receives SIP
NOTIFY message about unread voice mail.
The default setting is “Yes”.
Enable New
Message Indicator
If set to “Yes”, the LED indicator on the upper right corner of the phone will light up when there is new
message on the phone.
Default setting is “Yes”.
Enable Contact Full
Indicator
If set to “Yes”, the LED indicator on the upper right corner of the phone will light up when the contact
storage or message storage is full.
The default setting is “Yes”.
Enable Indicator
When LCD is Off
If set to “Yes”, the LED indicator on the upper right corner of the phone will light up when the LCD
screen is off. If it set to “No”, the LED indicator will keep off when the LCD screen is off.
The default setting is “Yes”.
Screen Timeout Configures the timeout interval of the LCD backlight. If set to "never", the screen will always stay on.
Screensaver
Timeout
Configures the screensaver timeout.
Peripherals Interface Management
HDMI Output
Control
Defines whether to enable HDMI. If enabled, users need to set whether HDMI would synchronize with
LCD. If set to “HDMI Display Synchronization with LCD”, HDMI device will display the same content as
the phone LCD;
If set to “Show Opposite Screen”, HDMI device displays remote video screen in a video call while other
screens display synchronization with LCD.
This setting will take effect in the next call.
Enable Touch Keys
Configures whether to enable touch keys. Once disabled, the five keys "Volume-, Volume +, Home,
Menu and Back" will not take effect.
Default is enabled.