Table 20: Auto Time Updating - Grandstream Networks UCM6510 User Manual

Remote NTP Server
Enable DHCP Option 2
Enable DHCP Option 42
Time Zone
Self-Defined Time Zone

Table 20: Auto Time Updating

Specify the URL or IP address of the NTP server for the UCM6510 to
synchronize the date
ntp.ipvideotalk.com.
If set to "Yes", the UCM6510 is allowed to get provisioned for Time Zone
from DHCP Option 2 in the local server automatically. The default setting is
"Yes".
If set to "Yes", the UCM6510 is allowed to get provisioned for NTP Server
from DHCP Option 42 in the local server automatically. This will override
the manually configured NTP Server. The default setting is "Yes".
Select the proper time zone option so the UCM6510 can display correct
time accordingly.
If "Self-Defined Tome Zone" is selected, please specify the time zone
parameters in "Self-Defined Time Zone" field as described in below option.
If "Self-Defined Time Zone" is selected in "Time Zone" option, users will
need define their own time zone following the format below.
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 and 1 hour ahead for DST,
which is U.S central time. If it is positive (+), the local time zone is west of
the Prime Meridian (A.K.A: International or Greenwich Meridian); If it is
negative (-), the local time zone is east.
M4.1.0,M11.1.0
The 1 st number indicates Month: 1, 2, 3..., 12 (for Jan, Feb...Dec.).
The 2 nd number indicates the nth iteration of the weekday: (1
3 rd Tuesday...). Normally 1, 2, 3, 4 are used. If 5 is used, it means the last
iteration of the weekday.
The 3 rd 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 1 st Sunday of November.
UCM6510 IP PBX User Manual
and time. The default NTP server is
st Sunday,
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