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

Key  

Call Features  

*87  

Blind Transfer  

*90  

*91  

Busy Call Forward: Dial “*90” and then the forwarding number followed by “#”. Wait for dial tone then hang up.  

Cancel Busy Call Forward. To cancel “Busy Call Forward”, dial “*91”, wait for dial tone, then hang up.  

Delayed Call Forward. Dial “*92” and then the forwarding number followed by “#”. Wait for dial tone then hang  

up.  

*92  

*93  

Cancel Delayed Call Forward. To cancel Delayed Call Forward, dial “*93”, wait for dial tone, then hang up  

Flash  

/

Hoo  

k

Toggles between active call and incoming call (call waiting tone). If not in conversation, flash/hook will switch to a  

new channel for a new call.  

#

Pressing pound sign will serve as Re-Dial key.  

Table 11: HT812/HT814 Call Features  

Rebooting HT812/HT814 from Remote  

Press “Reboot” button at the bottom of the configuration menu to reboot the ATA remotely. The web browser will then  

display a message window to confirm that reboot is underway. Wait 30 seconds to log in again.  

UPGRADING AND PROVISIONING  

The HT812/HT814 can be upgraded via TFTP/FTP/FTPS/HTTP/HTTPS by configuring the URL/IP Address for the  

TFTPFTP/FTPS/HTTP/HTTPS server and selecting a download method. Configure a valid URL for TFTP or FTP/FTPS or  

HTTP/HTTPS (default is HTTPS); the server name can be FQDN or IP address.  

Examples of valid URLs:  

firmware.grandstream.com  

fw.ipvideotalk.com/gs  

Firmware Upgrade procedure  

Please follow below steps in order to upgrade the firmware version of your HT812/HT814:  

1. Access your HT812/HT814 UI by entering its IP address in your favorite browser.  

2. Enter your admin password (default: admin).  

3. Press Login to access your settings.  

4. Go to Advanced Settings  Firmware Upgrade and Provisioning page, and enter the IP address or the FQDN for the  

upgrade server in “Firmware Server Path” field and choose to upgrade via TFTP or HTTP/HTTPS or FTP/FTPS.  

5. Make sure to check “Always Check for New Firmware”.  

6. Update the change by clicking the “ Apply” button at the bottom of the page. Then “Reboot” or power cycle the  

HT812/HT814 to update the new firmware.  

Figure 14: Firmware Upgrade Page  

Upgrading via Local Directory  

1. Download the firmware file from Grandstream web site  

2. Unzip it and copy the file in to a folder in your PC  

3. From the HT812/HT814 web interface (Advanced Settings page) you can browse your hard drive and select the folder you  

previously saved the file (HT8xfw.bin)  

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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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