User's Manual
FIRMWARE VERSION 1.0.7.6    HT502 USER MANUAL     Page 32 of 48  
Firmware Server Path 
IP address or domain name of firmware server. 
Config Server Path 
IP address or domain name of configuration server. 
XML Config File 
Password 
The password used for encrypting the XML configuration file using OpenSSL. 
This is required for the phone to decrypt the encrypted XML configuration file. 
HTTP/HTTPS User 
Name 
The user name needed to authenticate with the HTTP/HTTPS server. 
HTTP/HTTPS 
Password 
The password needed to authenticate with the HTTP/HTTPS server. 
Firmware File Prefix  Default is blank. If configured, HT502 will request firmware file with the prefix. This 
setting is useful for ITSPs. End user should keep it blank. 
Firmware File Postfix  Default is blank. End user should keep it blank. 
Config File Prefix  Default is blank. End user should keep it blank. 
Config File Postfix  Default is blank. End user should keep it blank. 
Allow DHCP Option 66 
to override server 
If set to “Yes”, configuration and upgrade server information can be obtained using DHCP 
option 66 from DHCP server located in customer’s environment. 
Automatic Upgrade 
Choose “Yes”  to enable automatic upgrade and provisioning. If select “Check every
minutes” input the amount of minutes you want it to check for update. If select “Yes, daily 
at hour” make sure to input the hour of the day you want it to check for update, e.g. for 11 
pm type 23. If select “Yes, weekly on day” make sure you input the day of the week (in 
format 0-6, 0 is Sunday) you want it to check for update. When set to No, HT502 will only 
do the following option you select; “Always check for New Firmware at Boot up” will check 
for new firmware every time the device reboots. “Check New Firmware only when F/W 
pre/suffix changes” will check for updates only when the pre/suffix has been changed. 
Firmware Key 
Used for firmware encryption. Should be 32 digit in hexadecimal representation. End 
user should keep it blank. 
Authenticate Conf File 
If set to Yes, config file is authenticated before acceptance. This protects the 
configuration from an unauthorized change. 
Firmware Key 
Used for firmware encryption. Should be 32 digit in hexadecimal representation. End 
user should keep it blank. 
SIP TLS Certificate 
The user specify SSL certificate used for SIP over TLS in X.509 format. 
SIP TLS Private Key 
The user specify SSL private key used for SIP over TLS in X.509 format. 










