Application Guide
P a g e  |  55   
DP750/DP720 Administration Guide 
Version 1.0.3.37 
Always send HTTP 
Basic Authentication 
Information 
Includes configured user name and password in HTTP request before receiving 
authentication challenge from the server. Default is No. 
Verify host when 
using HTTPS 
Verifies host name in server certificate when using HTTPS. Default is Yes. 
Upgrade via 
Selects firmware upgrade method: TFTP, HTTP or HTTPS. 
Firmware Server 
Path 
Sets IP address or domain name of firmware server. The URL of the server that 
hosts the firmware release. Default is fm.grandstream.com/gs. 
Note: Make sure to not prepend address with "http://" or any other protocol. 
Firmware File 
Prefix 
Checks  if  firmware  file  is  with  matching  prefix  before  downloading  it. This  field 
enables user  to store different versions of firmware files in one directory on the 
firmware server.  
Firmware File 
Postfix 
Checks  if firmware file is  with matching postfix before downloading  it. This field 
enables user  to store different versions of  firmware files in one  directory on the 
firmware server. 
Allow DHCP 
Option 43 and 
Option 66 to 
Override Server 
Obtains configuration and upgrade server’s information from DHCP server using 
options 66 and 43.  
Note:  If  DHCP  Option  66  is  enabled,  the  base  will  attempt  downloading  the 
firmware  file  from  the  server  URL  provided  by  DHCP,  even  though  Firmware 
Server Path is left blank.     
Automatic 
Upgrade 
Specifies when the firmware upgrade process will be initiated; there are 4 options: 
•  No: Base station will only do upgrade once at boot up. 
•  Check every X minutes: User needs to specify a period in minutes. 
•  Check every day: User needs to specify “Hour of the day (0-23)”.   
•  Check every week:  User  needs  to specify “Hour  of the day  (0-23)” and 
“Day of the week (0-6)”. Note: Day of week is starting from Sunday.   
Default is No. 
Firmware Key 
Decrypts  the  firmware  file  using  specified  key  (32-digit  in  Hexadecimal)  when 
encrypted.   
Handset 
Firmware 
Upload 
Uploads handset firmware.   
Reboot the device after uploading to apply and use the new firmware. 
Delete 
Deletes previously uploaded handset firmware. 
Automatic 
Upgrade 
Enables  automatic  upgrade  when  the  handset  detects  the  new 
firmware. 










