Grandstream Networks WP820 Administration Manual page 44

Enable Missed When "checked", the LED indicator on the upper right corner of the phone will light up when there is missed call on
Call Indicator the phone.
Enable MWI When "checked", the LED indicator on the upper right corner of the phone will light up when there is new voicemail
Indicator on the phone
Turns on the LED indicator at device's upper right corner when there are unread Messages. If it set to "checked", the
Enable New
LED indicator will keep off if the phone has new messages. Otherwise, the LED indicator will be turned on. Default
Message Indicator
setting is "checked".
When "checked", the backlight will light up when the button is pressed.
Enable Keypad
Backlight
Default setting is "checked".
Enable Incoming The LED indicator on the upper right corner of the phone will light up when there is an incoming call.
Call Indicator Enabled by Default.
Enable Charging When the phone is charging, the LED indicator on the upper right corner will light up.
Indicator Enabled by Default.
Enable Charging
Completed When the phone is charged, the LED indicator will illuminate in the upper right corner.
Indicator
Brightness Configures the Brightness of LCD backlight.
Sets the timeout interval of the LCD backlight. If timeout is set to 'never', the screen will always stay on. The value
Timeout
range is between 15s and 30 minutes.
Font Size Set the font size for the LCD display. Choices are: Standard, Small, and Large.
Gesture Control
Flip phone
If set to "Reject", the phone will reject incoming calls if users flip the phone. If set to "Reject with SMS", the phone
Reject incoming
will reject incoming calls when flipping the phone and send a pre-configured SMS to the caller. The default setting is
call
"Off".
Pick up the phone
If set to "Mute", the ringtone will be muted once users pick up the phone when receiving an incoming call. If set to
Ringtone "Ringing Down", the ringtone's volume will decrease once the phone is picked up when receiving incoming calls.
The default setting is "Off".
If set to "Mute", the alarm ringtone will be muted once users pick up the phone during alarm. If set to "Ringing
Alarm Ringtone Down", the alarm ringtone's volume will decrease once the phone is picked up during alarm. The default setting is
"Off".
Button Customization
Soft key
Configures the function of the left softkey when users are on the Main screen.
Main Screen Left
Softkey
This can be set to "Call History", "Menu", "Settings", "Contacts", "Voicemail", "DND", "LDAP".
Main Screen Configures the function of the center softkey when users are on the Main screen.
Center Softkey