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 Grandstreams 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.

Ports & interfaces

• Ethernet LAN (RJ-45) ports: 2
• I/O ports: 2 x FXS, 2 x RJ-45

Weight & dimensions

• Dimensions (WxDxH): 130 x 90 x 28.5 mm
• Weight: 353.33 g

Power

• Output voltage: 12 V
• Output current: 0.5 A

Operational conditions

• Operating temperature (T-T): 0 - 40C
• Storage temperature (T-T): -10 - 60C
• Operating relative humidity (H-H): 10 - 90%

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

Network

• Web-based management: Yes
• Quality of Service (QoS) support: Yes

Security

• Security algorithms: AES, HTTPS

Call management

• Caller ID: Yes
• Conference call: Yes
• Call waiting: Yes

Features

• Voice codecs: iLBC, G.711, G.723.1, G.726, G.729A, G.729B, OPUS
• Fax compatibility: T.38
• Reset button: Yes
• LED indicators: Yes
• Certification: FCC/CE/RCM, K.21

Logistics data

• Harmonized System (HS) code: 85177900