Grandstream Networks HT812 VoIP telephone adapter

Part No: HT812



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

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