User's Manual
Grandstream Networks, Inc.  HT-702 User Manual  Page 20 of 32 
  Firmware Version 1.0.0.17  Last Updated: 02/2012 
Via TFTP Server 
This is the IP address of the configured TFTP server. If selected and it is non-zero or not 
blank, the HT702 retrieves the new configuration file or new code image from the 
specified TFTP server at boot time. After 5 attempts, the system will timeout and will start 
the boot process using the existing code image in the Flash memory. If a TFTP server is 
configured and a new code image is retrieved, the new downloaded image is saved into 
the Flash memory. 
Note: Please do NOT interrupt the TFTP upgrade process (especially the power supply) 
as this will damage the device. Depending on the local network, this process can take up 
to 15 or 20 minutes. 
Via HTTP / HTTPS 
Server 
The URL for the HTTP/HTTPS server used for firmware upgrade and configuration via 
HTTP. 
For example, http://provisioning.mycompany.com:6688/Grandstream/1.0.0.67“:6688” is 
the specific TCP port where the HTTP or HTTPS server is listening; it can be omitted if 
using default port 80. 
Note: If Auto Upgrade is set to No, HT702 will only do HTTP/HTTPS download once at 
boot up. 
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, HT702 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, HT702 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. 










