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.
| Features | |
| Voice codecs: | iLBC, G.711, G.723.1, G.726, G.729A, G.729B, OPUS |
| Fax compatibility: | T.38 |
| Reset button: |  |
| LED indicators: | |
| Certification: | FCC/CE/RCM, K.21 |
| Network | |
| Web-based management: | |
| Quality of Service (QoS) support: | |
| Call management | |
| Caller ID: | |
| Conference call: | |
| Call waiting: | |
| Protocols | |
| 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 |
| Management protocols: | Telnet |
| Security | |
| Security algorithms: | AES, HTTPS |
| Ports & interfaces | |
| Ethernet LAN (RJ-45) ports: | 2 |
| Power | |
| Output voltage: | 12 V |
| Output current: | 0.5 A |
| Logistics data | |
| Harmonized System (HS) code: | 85177900 |
| Operational conditions | |
| Operating temperature (T-T): | 0 - 40 °C |
| Storage temperature (T-T): | -10 - 60 °C |
| Operating relative humidity (H-H): | 10 - 90% |
| Weight & dimensions | |
| Dimensions (WxDxH): | 130 x 90 x 28.5 mm |
| Weight: | 353.33 g |
| I/O ports: | 2 x FXS, 2 x RJ-45 |
