Grandstream GXP2130 Administration Guide - Manual (Page 48)

GXP2130/GXP2140/GXP2160
FIRMWARE VERSION 1.0.4.23 GXP2130/GXP2140/GXP2160
ADMINISTRATION GUIDE Page 46 of 81
with wallpaper source into GXP2140/2160 to upload the wallpaper.
Note: USB is only for GXP2140/GXP2160.
Wallpaper Server Path
Specifies the wallpaper server path. This option will take effect when
wallpaper source is “Download”.
Upload Wallpaper
Click on the “Upload” button to browse and upload the desired wallpaper
file. This option will take effect when wallpaper source is “Uploaded”.
Screensaver Disable/Enable Screensaver. By default, screensaver is enabled.
Screensaver Timeout
Configures the minutes of idle before the screensaver activates. Valid
range is 3 to 6. The default time is 3 minutes.
Settings -> Date and Time
NTP Server
Defines the URL or IP address of the NTP server. The phone may obtain
the date and time from the server. The default setting is us.pool.ntp.org.
NTP Update Interval
Time interval for updating time from the NTP server. Valid time value is in
between 5 to 1440 minutes . The default setting is “1440” minutes.
Allow DHCP Option 42
Override NTP Server
Defines whether DHCP Option 42 should override NTP server or not.
When enabled, DHCP Option 42 will override the NTP server if it's set up
on the LAN. The default setting is "Yes".
Time Zone
Configures the date/time used on the phone according to the specified
time zone.
Self-Defined Time Zone
This parameter allows the users to define their own time zone.
The syntax is: std offset dst [offset], start [/time], end [/time]
Default is set to: MTZ+6MDT+5,M4.1.0,M11.1.0
MTZ+6MDT+5
This indicates a time zone with 6 hours offset with 1 hour ahead (when
daylight saving) which is U.S central time. If it is positive (+) if the local
time zone is west of the Prime Meridian (A.K.A: International or
Greenwich Meridian) and negative (-) if it is east.
M4.1.0,M11.1.0
The 1st number indicates Month: 1,2,3.., 12 (for Jan, Feb, .., Dec)
The 2nd number indicates the nth iteration of the weekday: (1st Sunday,
3 rd Tuesday…)
The 3rd number indicates weekday: 0,1,2,..,6( for Sun, Mon,
Tues, ... ,Sat)
Therefore, this example is the DST which starts from the First Sunday of
April to the 1st Sunday of November.