User's Manual
GXP2130/GXP2140/GXP2160/GXP2170/GXP2135   
ADMINISTRATION GUIDE 
Page 80 of 85 
UPGRAGE VIA WEB GUI 
Open a web browser on PC and enter the IP address of the phone. Then, login with the administrator 
username and password.Go to Maintenance->Upgrade and Provisioning page, enter the IP address orthe 
FQDN  for  the  upgrade  server  in  "Firmware  Server  Path"  field  and  choose  to  upgrade  via  TFTP  or 
HTTP/HTTPS. Update the change by clicking the "Save and Apply" button. Then "Reboot" or power cycle 
the phone to update the new firmware. 
When  upgrading starts, the  screen will  show upgrading progress.  When  done  you will  see  the phone 
restart again.Please do not interrupt or power cycle the phone when the upgrading process is on. 
Firmware upgrading takes around 60 seconds in a controlled LAN or 5-10 minutes over the Internet. We 
recommend completing firmware upgrades in a controlled LAN environment whenever possible. 
NO LOCAL TFTP/HTTP SERVERS 
For users that would like to use remote upgrading without a local TFTP/HTTP server, Grandstream offers a 
NAT-friendly HTTP server. This enables users to download the latest software upgrades for their phone via 
this server. Please refer to the webpage: 
http://www.grandstream.com/support/firmware 
Alternatively, users can download a free TFTP or HTTP server and conduct a local firmware upgrade. A 
free windows version TFTP server is available for download from : 
http://www.solarwinds.com/products/freetools/free_tftp_server.aspx 
http://tftpd32.jounin.net/. 
Instructions for local firmware upgrade via TFTP: 
1.  Unzip the firmware files and put all of them in the root directory of the TFTP server; 
2.  Connect the PC running the TFTP server and the phone to the same LAN segment; 
3.  Launch the TFTP server and go to the File menu->Configure->Security to change the TFTP server's 
default setting from "Receive Only" to "Transmit Only" for the firmware upgrade; 
4.  Start the TFTP server and configure the TFTP server in the phone‟s web configuration interface; 
5.  Configure the Firmware Server Path to the IP address of the PC; 
6.  Update the changes and reboot the phone. 
End users can also choose to download a free HTTPserver fromhttp://httpd.apache.org/ or use 
Microsoft IIS web server. 










