User's Manual

Grandstream Networks, Inc. GXV3174 USER MANUAL Page 41 of 59
FIRMWARE VERSION 1.0.1.1 Updated : 3/2012
of supported 3G modems below)
WCDMA
• Huawei E1750
• Huawei E180
• Sierra Wireless 306
CDMA2000
• ZTE AC581
• Huawei EC1260
EVDO
• Novatel Ovation MC760
Maintenance/Time Settings
NTP Server
This parameter defines the URL or IP address of the NTP (Network Time
Protocol) server. The GXV3174 phone may obtain the date and time from
the server.
The default setting is ntp.ipvideotalk.com.
DHCP Option 42 override
NTP server
Select Yes for the user to allow DHCP Option 2 to override the NTP server if
there is one on the LAN. The default setting is NO.
Time Zone This parameter controls the date/time display according to the specified time
zone.
Time Display Format This parameter sets time display format to 12 Hour or 24 Hour
Date Display Format This parameter sets date display format to YY-MM-DD or MM-DD-YY or
DD-MM-YY.
Self-Defined Time Zone This parameter allows the users to define their own time zone.
Syntax: std offset dst [offset], start [/time], end [/time]
Default is set to: MTZ+6MDT+5,M3.2.0,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.
M3.2.0,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…)