Grandstream Networks HT812 v2. Voice codecs: CNG, G.711, G.722, G.723, G.726-32, G.729ab, OPUS, VAD, Fax compatibility: T.38, Product colour: Black. Supported protocols: TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH,…. Security algorithms: SIPS, SRTP, TLS. Power source type: AC, AC input voltage: 100-240 V, AC input frequency: 50/60 Hz. Width: 130 mm, Depth: 90 mm, Height: 28.5 mm
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.
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
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
Network
Feature: Quality of Service (QoS) support
Call management
Feature: Caller ID
Feature: Conference call
Feature: Call waiting
Security
Security algorithms: SIPS, SRTP, TLS
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%
Weight & dimensions
Width: 130 mm
Depth: 90 mm
Height: 28.5 mm
Weight: 353.33 g
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
Network
Feature: Quality of Service (QoS) support
Call management
Feature: Caller ID
Feature: Conference call
Feature: Call waiting
Security
Security algorithms: SIPS, SRTP, TLS
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%
Weight & dimensions
Width: 130 mm
Depth: 90 mm
Height: 28.5 mm
Weight: 353.33 g
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