Note: WP820 will automatically scan the USB drive for cfg{mac}.xml files after the connection is
established. Please ensure only one instance of the file type is contained in the root directory of the
USB drive.
1. Download the Config file to PC and save it in the USB flash drive
2. Insert the USB flash drive to the WP820.
3. Power cycle the WP820 and wait for the device to detect the Config file.
Wi-Fi Provision via USB
This feature allows the user to place a Wi-Fi configuration package on USB and upload to WP820.
Note: Please see the Wi-Fi configuration upload guide on the Grandstream product page for additional
details by using the following URL:
http://www.grandstream.com/sites/default/files/Resources/WiFi_provision_guide.pdf
Provisioning and Configuration File Download
Grandstream SIP Devices can be configured via the Web Interface as well as via a Configuration File
(binary or XML) through TFTP or HTTP/HTTPS. The "Config Server Path" is the TFTP, HTTP or HTTPS
server path for the configuration file. It needs to be set to a valid URL, either in FQDN or IP address format.
The "Config Server Path" can be the same or different from the "Firmware Server Path".
A configuration parameter is associated with each particular field in the web configuration page. A
parameter consists of a Capital letter P and 1 to 5 (could be extended to more in the future) digit numeric
numbers. i.e., P2 is associated with the “Admin Password” in the Web GUI→System Settings→Security
Settings→User Info Management page. For a detailed parameter list, please refer to the corresponding
firmware release configuration template in the following link:
http://www.grandstream.com/support/tools
When the WP820 boots up, it will issue TFTP or HTTP(S) request to download a configuration XML file
named "cfgxxxxxxxxxxxx" followed by "cfgxxxxxxxxxxxx.xml", where "xxxxxxxxxxxx" is the MAC address of
the phone, i.e., "cfg000b820102ab" and "cfg000b820102ab.xml". If downloading "cfgxxxxxxxxxxxx.xml" file
is not successful, the provision program will download a generic cfg.xml file. The configuration file name
should be in lower case letters.
For more details on XML provisioning, please refer to the following document:
http://www.grandstream.com/sites/default/files/Resources/gs_provisioning_guide.pdf
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