Please note: While we strive for accuracy in our descriptions and images, the actual color and appearance of the items may vary slightly from the photographs due to lighting conditions or varying computer monitor settings.

SKU: HT812_V2

Grandstream Networks HT812 v2

Grandstream Networks
£54.90
  • 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
  • TLS and SRTP security encryption technology to protect calls and accounts
  • LED Indicators - POWER, NET1, NET2, PHONE1, PHONE2
  • Automated provisioning options include TR-069 and XML config files
  • 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
  • Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning

The HT812 V2 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.

Features
Certification FCC/CE/RCM, K.21
Product colour Black
Fax compatibility T.38
Voice codecs CNG, G.711, G.722, G.723, G.726-32, G.729ab, OPUS, VAD
Network
Quality of Service (QoS) support Yes
Call management
Caller ID Yes
Conference call Yes
Call waiting Yes
Protocols
Supported protocols TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP,NTP, TFTP, SSH, Telnet, STUN (RFC3489, 5389), SIP (RFC3261), SIP over TCP/TLS,SRTP, SNMP, TR-069, IMS/3GPP, IPoE
Security
Security algorithms SIPS, SRTP, TLS
Ports & interfaces
Ethernet LAN (RJ-45) ports 2
Modem (RJ-11) ports 2
Power
Output current 0.5 A
Output voltage 12 V
AC input frequency 50/60 Hz
AC input voltage 100-240 V
Power source type AC
Operational conditions
Operating temperature (T-T) 0 - 50 °C
Storage temperature (T-T) -10 - 60 °C
Operating relative humidity (H-H) 10 - 90%
Weight & dimensions
Weight 353.33 g
Height 28.5 mm
Depth 90 mm
Width 130 mm