GRANDSTREAM HT812 Analog FXS IP Gateway 2 Port + NAT Router User Guide

4. Click “Upload Firmware” and wait few minutes until the new program is loaded.  

Always check the status page to see that the program version has changed.  

the filename in URL for the firmware upgrade has been disabled on the latest firmware upgrade 1.0.43.11  

Upgrading via Local TFTP/HTTP/HTTPS/FTP/FTPS Servers  

For users that would like to use remote upgrading without a local TFTP/FTP/FTPS/HTTP/HTTPS server, Grandstream offers a  

NAT-friendly HTTP server. This enables users to download the latest software upgrades for their devices via this server. Please  

refer to the webpage:  

https://www.grandstream.com/support/firmware  

Alternatively, users can download for example a free TFTP or HTTP server and conduct a local firmware upgrade. A free  

window 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. Save and Apply the changes and reboot the HT812/HT814.  

End users can also choose to download a free HTTP server from http://httpd.apache.org/ or use Microsoft IIS web server.  

Firmware and Configuration File Prefix and Postfix  

Firmware Prefix and Postfix allows device to download the firmware name with the matching Prefix and Postfix. This makes it  

the possible to store all of the firmware with different version in one single directory. Similarly, Config File Prefix and Postfix  

allows device to download the configuration file with the matching Prefix and Postfix. Thus, multiple configuration files for the  

same device can be stored in one directory. In addition, when the field “Check New Firmware only when F/W pre/suffix  

changes” is set to “Yes”, the device will only issue firmware upgrade request if there are changes in the firmware Prefix or  

Postfix.  

Managing Firmware and Configuration File Download  

When “Automatic Upgrade” is set “Yes, every” the auto check will be done in the minute specified in this field. If set to “daily  

at hour (0-23)”, Service Provider can use P193 (Auto Check Interval) to have the devices do a daily check at the hour set in  

this field with either Firmware Server or Config Server. If set to “weekly on day (0-6)” the auto check will be done on the day  

specified in this field. This allows the device to periodically check if there are any new changes need to be taken on a  

scheduled time. By defining different intervals in P193 for different devices, Server Provider can spread the Firmware or  

Configuration File download in minutes to reduce the Firmware or Provisioning Server load at any given time  

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, FTP/FTPS or HTTP/HTTPS. The Config Server Path is the TFTP or HTTP/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 2 to 3 (Could be extended to 4 in the future) digit numeric numbers. i.e., P2 is associated with the “New  

Password” in the Web GUI->Maintenance->Web/SSH Access page->Admin Password. For a detailed parameter list, please  

refer to the corresponding firmware release configuration template.  

When the HT812/HT814 boots up or reboots, it will send a request to download a file named “cfgxxxxxxxxxxxx” followed by a  

configuration XML file named “cfgxxxxxxxxxxxx.xml”, where “xxxxxxxxxxxx” is the MAC address of the phone, i.e.,  

“cfg000b820102ab” and “cfg000b820102ab.xml”. If the download of “cfgxxxxxxxxxxxx.xml” file is not successful, the provision  

program will download a generic cfg.xml file and then download cfg<Model>.xml. The configuration file name should be in  

lower case letters.  

HT818/HT814 supports DHCP option 67 allowing to provide custom name for the provisioning file. If DHCP option 67 is used,  

the following file download sequence will be applied:  

Step 1: cfg<MAC>  

Step 2: <option 67 bootfile>  cfg<MAC>.xml  cfg.xml  cfg<Model>.xml  

Notes:  

1. Only XML or binary config file formats are accepted.  

2. The MAC header in XML config file should be the device MAC or needs to be removed completely.  

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General	Details
Name	GRANDSTREAM HT812 Analog FXS IP Gateway 2 Port + NAT Router User Guide
Make	GRANDSTREAM
Language	English
Filetype	PDF (Download)
File size	MB

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