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

The HT812/HT814 support the following DTMF mode:  

• DTMF in-audio  

• DTMF via RTP (RFC2833)  

• DTMF via SIP INFO  

Set priority of DTMF methods according to your preference. This setting should be based on your server DTMF setting.  

Preferred Vocoder (Codec)  

The HT812/HT814 support following voice codecs. On Profile pages, choose the order of your codecs:  

• PCMU/A (or G711µ/a)  

• G729 A/B  

• G723.1  

• G726  

• iLBC  

• OPUS  

• G722  

Configuring HT812/HT814 Through Voice Prompts  

As mentioned previously, The HT812/HT814 have a built-in voice prompt menu for simple device configuration. Please refer  

to “Understanding HT812/HT814 Interactive Voice Prompt Response Menu” for more information about IVR and how to  

access its menu.  

DHCP MODE  

Select voice menu option 01 to enable HT812/HT814 to use DHCP.  

STATIC IP MODE  

Select voice menu option 01 to enable HT812/HT814 to use STATIC IP mode, then use option 02, 03, 04, 05 to set up IP  

address, Subnet Mask, Gateway and DNS server respectively.  

PPPOE MODE  

Select voice menu option 01 to allow the HT812/HT814 to enable the PPPoE mode. PPPoE Username and Password should be  

configured from web GUI.  

FIRMWARE SERVER IP ADDRESS  

Select voice menu option 13 to configure the IP address of the firmware server.  

CONFIGURATION SERVER IP ADDRESS  

Select voice menu option 14 to configure the IP address of the configuration server.  

UPGRADE PROTOCOL  

Select the menu option 15 to choose firmware and configuration upgrade protocol between TFTP, FTP, FTPS, HTTP and  

HTTPS. Default is HTTPS.  

FIRMWARE UPGRADE MODE  

Select voice menu option 17 to choose firmware upgrade mode among the following three options:  

1) Always check, 2) check when pre/suffix changes, and 3) never upgrade.  

WAN PORT WEB ACCESS  

Select voice menu option 12 to enable/disable web access from WAN port. Press 9 in this menu to toggle between enable /  

disable. Default is disabled.  

Configuration through a Central Server  

The HT812/HT814 can be automatically configured from a central provisioning system.  

When HT812/HT814 boots up, it will send TFTP, FTP/FTPS or HTTP/HTTPS requests to download configuration files,  

“cfg000b82xxxxxx” and “cfg00082xxxxxx.xml”, where “000b82xxxxxx” is the LAN MAC address of the HT812/HT814. If the  

download of “cfgxxxxxxxxxxxx.xml” is not successful, the provision program will issue request a generic configuration file  

“cfg.xml”. Configuration file name should be in lower case letters. The configuration data can be downloaded via TFTP,  

FTP/FTPS or HTTP/HTTPS from the central server. A service provider or an enterprise with large deployment of HT812/HT814  

can easily manage the configuration and service provisioning of individual devices remotely from a central server.  

Grandstream provides a central provisioning system GAPS (Grandstream Automated Provisioning System) to support  

automated configuration of Grandstream devices. GAPS uses HTTPS and other communication protocols to communicate  

with each individual Grandstream device for firmware upgrade, remote reboot, etc. Grandstream provides GAPS service to  

VoIP service providers. Use GAPS for either simple redirection or with certain special provisioning settings. At boot-up,  

Grandstream devices by default point to Grandstream provisioning server GAPS, based on the unique MAC address of each  

device, GAPS provision the devices with redirection settings so that they will be redirected to customer’s TFTP or  

HTTP/HTTPS/FTP/FTPS server for further provisioning. Grandstream also provides configuration tools (Windows and  

Linux/Unix version) to facilitate the task of generating device configuration files.  

The Grandstream configuration tools are free to end users. The configuration tools and configuration templates are available  

for download from http://www.grandstream.com/support/tools  

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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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