User's Manual
FIRMWARE VERSION 1.0.0.2     GXW42XX USER MANUAL      Page 32 of 52 
Config File Prefix 
Default is blank. This setting is useful for Internet Telephone Service Providers. End 
users should keep it blank. 
Config File Postfix 
Default is blank. This setting is useful for Internet Telephone Service Providers. End 
users should keep it blank. 
Allow DHCP Option 66 to 
override server 
If set to “Yes”, configuration and upgrade server’s information can be obtained using 
DHCP option 66 from DHCP server. This option specifies the URL of the tftp server. 
Note:  If DHCP Option 66 is enabled, the gateway will attempt downloading a 
configuration file from the server URL provided by DHCP, even though Config Server 
Path is left blank. 
Automatic Upgrade 
Choose “Yes”  to enable automatic upgrade and provisioning. When set to No, 
GXW42XX will only do upgrade once at boot up. 
When “Yes, daily at hour ___” or “Yes, weekly on day ___” is checked, user can 
specify “Hour of the day (0-23)” or “Day of the week (0-6)”. Default time is Monday 
1AM. 
When “Yes, Yes, every ___ minutes” is checked, user can specify the time interval 
between each upgrade check. Default is 10080 minutes. 
There are three options to choose from: “Always check for New Firmware at Boot up”, 
“Check New Firmware only when F/W pre/suffix changes”, and “Always Skip the 
Firmware Check”. 
Authenticate Conf File 
If set to Yes, configuration file is authenticated before being accepted. This protects the 
configuration from unauthorized modifications. 
Firmware Key 
For firmware encryption. It should be 32-digit in Hexadecimal Representation. End 
user should keep it blank. 
SSL Certificate 
The GXW42XX series supports SIP over TLS. It has built-in private key and SSL 
certificate. The user specified SSL certificate used for SIP over TLS is in X.509 format.
SSL Private Key 
You may also customize the SSL Private Key. The user specified SSL private key used 
for SIP over TLS is in X.509 format. 
SSL Private Key 
Password 
Enter SSL Private Key password here. 
ACS URL 
User specify the Auto Configuration Server’s URL (TR-069 protocol) 
ACS Username 
User specify the ACS Username 
ACS Password 
User specify the ACS password 
Periodic Inform Enable 
Default is No. If set to YES, device will send inform packets to the ACS 










