Version 5.8 227 September 2009
SIP User's Manual 6. Configuration Parameters Reference
Parameter Description
lease.
Note: For this parameter to take effect, a device reset is required.
6.1.9 NTP and Daylight Saving Time Parameters
The Network Time Protocol (NTP) and daylight saving time parameters are described in the
table below.
Table 6-9: NTP and Daylight Saving Time Parameters
Parameter Description
NTP Parameters
Note: For detailed information on Network Time Protocol (NTP), refer to ''Simple Network Time
Protocol Support'' on page 453.
Web: NTP Server IP Address
EMS: Server IP Address
[NTPServerIP]
The IP address (in dotted-decimal notation) of the NTP server.
The default IP address is 0.0.0.0 (i.e., internal NTP client is
disabled).
Web: NTP UTC Offset
EMS: UTC Offset
[NTPServerUTCOffset]
Defines the Universal Time Coordinate (UTC) offset (in seconds)
from the NTP server.
The default offset is 0. The offset range is -43200 to 43200.
Web: NTP Update Interval
EMS: Update Interval
[NTPUpdateInterval]
Defines the time interval (in seconds) that the NTP client requests
for a time update.
The default interval is 86400 (i.e., 24 hours). The range is 0 to
214783647.
Note: It is not recommend to set this parameter to beyond one
month (i.e., 2592000 seconds).
Daylight Saving Time Parameters
Day Light Saving Time
[DayLightSavingTimeEnable]
Determines whether to enable daylight saving time.
 [0] Disable (default)
 [1] Enable
Start Time
[DayLightSavingTimeStart]
Defines the date and time when daylight saving begins.
The format of the value is mo:dd:hh:mm (month, day, hour,
minutes).
End Time
[DayLightSavingTimeEnd]
Defines the date and time when daylight saving ends.
The format of the value is mo:dd:hh:mm (month, day, hour,
minutes).
Offset
[DayLightSavingTimeOffset]
Daylight saving time offset (in minutes).
The valid range is 0 to 120. The default is 60.
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