User's Manual
GXP2200 USER MANUAL  Page 111 of 131 
DHCP Option 42 override NTP 
server 
Defines whether DHCP Option 42 should override NTP server or not. 
When enabled, DHCP Option 42 will override the NTP server if it's set 
up on the LAN. The default setting is "Yes". 
DHCP Option 2 to override 
Time Zone setting 
Allows device to get provisioned for Time Zone from DHCP Option 2 in 
the local server automatically. The default setting is "No". 
Time Zone  Controls the date/time display according to the specified time zone. 
Time Display Format  12-hour or 24-hour time display format 
Date Display Format  Configures the date display format on the LCD. The following formats 
are supported:   
• Normal (M/DD/YYYY): 1/31/2012  
• YYYY/MM/DD: 2012/01/31 
• MM/DD/YYYY: 01/31/2012  
• DD/MM/YYYY: 31/01/2012 
The default setting is DD/MM/YYYY. 
MAINTENANCE/WEB/SSHACCESS
Disable SSH  If set to “Yes”, the phone will not allow any SSH access to the phone. 
The default value is "No". 
Access Method  Allows users to select HTTP or HTTPS for Web Access. 
Port  By default, HTTP uses port 80 and HTTPS uses port 443. This field is for 
customizing the web port. 
Admin Password  Allows users to change the admin password. The password field is 
purposely hidden after clicking the Save button for security purpose. 
This field is case sensitive with a maximum length of 32 characters. 
Confirm Admin Password  Type the new Admin Password again to confirm. 
User Password  Allows the administrator to set the password for user-level web GUI 
access. This field is case sensitive with a maximum length of 32 
characters. 
Confirm User Password  Type the new User Password again to confirm. 
MAINTENANCE/UPGRADE
Lock Keypad for Update  If set to "Yes", the configuration changes via keypad will not be allowed. 
The default setting is "No".   
Caution: 
When it's set to "Yes", the phone could get LOCKED if the administrator 
password is lost or forgotten. 










