Call management
Caller ID |
Y |
Call waiting |
Y |
Conference call |
Y |
Technical details
Voice codecs |
iLBC, G.711, G.723.1, G.726, G.729A, G.729B, OPUS |
Fax compatibility |
T.38 |
Reset button |
Y |
Weight & dimensions
Dimensions (WxDxH) |
130 x 90 x 28.5 mm |
Weight |
353.33 g |
Protocols
Management protocols |
Telnet |
Supported network protocols |
TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069 |
Power
Power requirements |
12V/0.5A |
Management features
Quality of Service (QoS) support |
Y |
Web-based management |
Y |
Operational conditions
Storage temperature (T-T) |
-10 - 60 °C |
Operating relative humidity (H-H) |
10 - 90% |
Security
Security algorithms |
AES, HTTPS |
Certificates
Certification |
FCC/CE/RCM, K.21 |
Ports & interfaces
I/O ports |
2 x FXS, 2 x RJ-45 |
Additionally
Ethernet LAN (RJ-45) ports quantity |
2 |
Operating temperature range (T-T) |
0 - 40 °C |
2-port analog telephone adapter w / Gigabit NAT Router
The HT812 delivers powerful VoIP technology and routing capabilities to home and office environments, and allows users to successfully connect their analog devices to a manageable and powerful VoIP network. Built using Grandstream’s market-leading SIP ATA/gateway technology, with millions of units successfully deployed worldwide, this powerful ATA features exceptional voice quality in various applications and environments. The HT812 comes with 2 easy-to-use FXS ports, an integrated Gigabit NAT router, state-of-the-art encryption with a unique security certificate per unit, automated provisioning for volume deployment and device management and outstanding network performance.