User's Manual

Firmware Version 1.0.0.32 UCM6102/6104/6108/6116 USER MANUAL Page 32 of 110
from DHCP Option 2 in the local server automatically. The default
setting is "Yes".
Enable DHCP Option 42
If set to "Yes", the device is allowed to get provisioned for NTP Server
from DHCP Option 42 in the local server automatically. This will then
override the NTP Server manually configured on the PBX. The default
setting is "Yes".
Time Zone
Select the proper time zone option so the PBX can display correct date
and time accordingly. If "Automatic" is selected, the PBX will obtain the
time zone information according to the detected IP location.
Self-Defined Time Zone
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 with 1 hour ahead 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,
3rd 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.