Please wait while loading content...
The HT812 is an advanced 2-port analog telephone adapter (ATA) with 2 FXS ports and an integrated Gigabit NAT router. Built upon Grandstream’s market-leading SIP ATA/gateway technology with millions of units successfully deployed worldwide, this powerful ATA features exceptional voice quality in various application environments, strong encryption with unique security certificate per unit, automated provisioning for volume deployment and device management, and outstanding network performance for home and office use.
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
- 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
- TLS and SRTP security encryption technology to protect calls and accounts
Grandstream Adaptors Comparison Table
| |
FXS (Analog Phone) |
FX0 (PSTN) |
RJ-45 Internet (WAN) |
RJ-45 Ethernet (LAN) |
| HT801 |
1 |
0 |
1 |
0 |
| HT802 |
2 |
0 |
1 |
0 |
| HT812 |
2 |
0 |
1 |
1 |
| HT813 |
1 |
1 |
1 |
1 |
| HT814 |
4 |
0 |
1 |
1 |
| HT818 |
8 |
0 |
1 |
1 |
Currently no information available.
Be the first to write a review.
Need more support? Click on the links below:
HT812 Datasheet (pdf)
HT812 User Guide (pdf)
More Information
Do you want to find out more about VoIP in general? Check out our VoIP FAQ
VoIPtalk ships products to any destination worldwide. View our Shipping & Returns policy for more information.
Are you interested in becoming a reseller of our products? Contact us now for more information.
Yealink SIP-T44W IP Phone