Grandstream HT812
Powerful 2-Port ATA with Gigabit NAT Router
Overview
About the Grandstream HT812
The HT812 v2 is an advanced 2-port analog telephone adapter (ATA) with 2 FXS ports and an integrated Gigabit NAT router.
Key features
- Supports 2 SIP profiles through 2 FXS ports and dual Gigabit ports
- Includes a built-in NAT router which can handle routing speeds up to 100MBps
- TLS and SRTP security encryption technology to protect calls and accounts
- LED Indicators - POWER, NET1, NET2, PHONE1, PHONE2
- Automated provisioning options include TR-069 and XML config files
- Supports 3-way voice conferencing
- Failover SIP server automatically switches to secondary server if main server loses connection
- Supports T.38 Fax for creating Fax-over-IP
- Supports a wide range of caller ID formats
- Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
Datasheets
HT812 datasheet
Declarations of conformity (1)
Firmware
HT812 firmware
| Version | Applies to | Files |
|---|---|---|
| 1.0.65.3 | HT812 | |
| 1.0.15.1 | HT812 V2, HT814 V2, HT818 V2 |
Older firmware (3)
| Version | Applies to | Files |
|---|---|---|
| 1.0.61.5 | HT812, HT814 | |
| 1.0.39.4 | HT812, HT814 | |
| 1.0.11.4 | HT812 V2, HT814 V2, HT818 V2 |
Documentation
HT812 guides & how-to articles
Installation10
Administration7
- HT812/HT814 - Administration Guide
- HT80x - Administration Guide
- HT81x V2 - Administration Guide
- HT80x V2 - Administration Guide
- HT818 - Administration Guide
- Firmware Upgrade Guide
Show 1 more
Using the ATA5
Interconnection4
Provisioning3
Technical Bulletins2
Networking2
GXV3350 > Networking1
GXV3380 > Provisioning1
Related
More Grandstream HT Series models
HT801
Easy-to-Use 1-Port ATA
Support & downloads
HT802
Easy-to-Use 2-Port ATA
Support & downloads
HT813
Hybrid ATA with FXS and FXO Ports
Support & downloads
HT814
Powerful 4 Port FXS Gateway with Gigabit NAT Router
Support & downloads
HT818
Powerful 8 port FXS Gateway with Gigabit NAT Router
Support & downloadsNeed help with your HT812?
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Grandstream and Grandstream product names are trademarks of Grandstream Networks, Inc. Product information, images and documents are published by Grandstream (source) and provided here for reference by smplVoice. Firmware and documents are Grandstream’s original, unmodified files.