Grandstream Networks HT812 v2
From £63.44
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Product Information
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.
Product
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
Weight & dimensions
Width
130 mm
Depth
90 mm
Height
28.5 mm
Weight
353.33 g
Call management
Caller ID
Yes
Conference call
Yes
Call waiting
Yes
Network
Quality of Service (QoS) support
Yes
Ports & interfaces
Ethernet LAN (RJ-45) ports
2
Modem (RJ-11) ports
2
Power
Power source type
AC
AC input voltage
100-240 V
AC input frequency
50/60 Hz
Output voltage
12 V
Output current
0.5 A
Operational conditions
Operating temperature (T-T)
0 - 50 °C
Storage temperature (T-T)
-10 - 60 °C
Operating relative humidity (H-H)
10 - 90%
Features
Voice codecs
CNG, G.711, G.722, G.723, G.726-32, G.729ab, OPUS, VAD
Fax compatibility
T.38
Product colour
Black
Certification
FCC/CE/RCM, K.21
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