System Settings/Preferences; System Settings/Tr-069 - Grandstream Networks WP820 Administration Manual

Custom Certificate
Import Custom Allows to upload the Custom Certificate file to phone.
Certificates
Custom Certificate Lists Custom certificates previously uploaded. Administrator can delete a
certificate from here.

System Settings/Preferences

LED Management
Disable Missed Call
Turns off the LCD backlight when there are new missed call logs on the phone. If
Indicator it set to "Yes", the LCD backlight will be turned off if the phone has new missed
call log. Otherwise, the LCD backlight will keep on. The default setting is "No".
Turns on the LED indicator at device's upper right corner when there are unread
Disable MWI
Voice Mails. If it set to "Yes", the LED indicator will keep off if the phone receives
Indicator
SIP NOTIFY message about unread voice mail. Otherwise, the LED indicator will
be turned on. The default setting is "No".
Turns on the LED indicator at device's upper right corner when there are unread
Disable New
Messages. If it set to "Yes", the LED indicator will keep off if the phone has new
Message Indicator
messages. Otherwise, the LED indicator will be turned on. Default setting is "No".
Enable Keypad If set to "Yes", the backlight will light up when the button is pressed. Default
Backlight setting is "No".

System Settings/TR-069

Enable TR-069 Sets the phone to enable the "CPE WAN Management Protocol" (TR-069). The
default setting is "No".
ACS URL Specifies URL of TR-069 ACS (e.g., http://acs.mycompany.com), or IP address.
ACS Username Enters username to authenticate to ACS.
ACS Password Enters password to authenticate to ACS.
Periodic Inform Sends periodic inform packets to ACS.
Enable The default setting is "No".
Periodic Inform Configures to sends periodic "Inform" packets to ACS based on specified interval.
Interval (s)
The default setting is 86400.
WP820 Administration Guide
Version 1.0.1.15
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