User's Manual Part 1
Grandstream Networks, Inc. GXV3175 USER MANUAL    Page 37 of 68 
    FIRMWARE VERSION 1.0.0.32 Updated : 11/2010 
“Scan” to scan for the available wireless network and add it. Users 
can also press “Add” to add the ESSID directly. 
Security Mode 
This parameter defines the security mode used for the wireless 
network. The following are supported: WEP/Shared, WEP/OPEN, 
WPA PSK TKIP, WPA PSK AES, WPA2 PSK TKIP, WPA2 PSK AES. 
The default setting is set to “Disabled”. 
Users will need to enter the corresponding authentication password 
for the security mode. 
Maintenance/Time Settings 
NTP Server 
This parameter defines the URL or IP address of the NTP (Network 
Time Protocol) server. The GXV3175 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…) 
The 3rd number indicates weekday: 0,1,2,..,6( for Sun, Mon, 
Tues,..,Sat) 
Therefore, this example is the DST which starts from the second 
Sunday of March to the 1st Sunday of November. 
Maintenance/Web and Telnet Access 
Disable Telnet 
The default value is No. If set to YES, the GXV3175 will not allow any 
telnet access to the phone. 
Access Method 
This defines the access method for web access: HTTP or secure 
HTTPS protocol. 
Port 
This defines the port for web access. By default, HTTP uses port 80 
and HTTPS uses port 443. This field is for customizable web ports. 
Admin Password 
This defines the administrator password for web interface access. 
Only the administrator can configure the “Advanced Settings” and 
“Account x” pages. The password is case sensitive and the maximum 










