Instructions For Local Firmware Upgrade; Configuration File Download - Grandstream Networks HT503 User Manual

 Firmware upgrade may take as long as 15 to 30 minutes over Internet, or just 5 minutes if it is
performed on a LAN.
environment if possible. For users who do not have a local firmware upgrade server, Grandstream
provides a NAT-friendly HTTP server on the public Internet for firmware upgrade.
 Grandstream latest firmware is available http://www.grandstream.com/support/firmware.
Oversea users are strongly recommended to download the binary files and upgrade firmware
locally in a controlled LAN environment.
 Alternatively, user can download a free TFTP or HTTP server and conduct local firmware upgrade.
A free windows version TFTP server is available for download from
http://www.solarwinds.com/register/?Program=52&c=70150000000CcH2.

Instructions for local firmware upgrade

1. Unzip the file and put all of them under the root directory of the TFTP server.
2. Put the PC running the TFTP server and the HT503 device in the same LAN segment.
3. Please go to File -> 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, in the phone's web configuration page
5. Configure the Firmware Server Path with the IP address of the PC
6. Update the change and reboot the unit
End users can also choose to download the free HTTP server from http://httpd.apache.org/ or use Microsoft
IIS web server.

Configuration File Download

Grandstream SIP Device can be configured via Web Interface as well as via Configuration File through
TFTP or HTTP/HTTPS. "Config Server Path" is the TFTP or HTTP/HTTPS server path for configuration file.
It needs to be set to a valid URL, either in FQDN or IP address format. The "Config Server Path" can be
same or different from the "Firmware Server Path".
A configuration parameter is associated with each particular field in the web configuration page.
It is recommended to conduct firmware upgrade in a controlled LAN
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HT503 User Manual
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