Grandstream Networks HT812 v2

HT812 v2 Powerful 2-Port ATA with Gigabit NAT Router

Key Features

• 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

Description

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.

Specifications

Management features
Quality of Service (QoS) support	Yes
Technical details
Voice codecs	CNG, G.711, G.722, G.723, G.726-32, G.729ab, OPUS, VAD
Fax compatibility	T.38
Features
Voice codecs	CNG, G.711, G.722, G.723, G.726-32, G.729ab, OPUS, VAD
Fax compatibility	T.38
Certification	FCC/CE/RCM, K.21
Product colour	Black
Network
Quality of Service (QoS) support	Yes
Call management
Conference call	Yes
Caller ID	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
Modem (RJ-11) ports	2
Ethernet LAN (RJ-45) 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
Certificates
Certification	FCC/CE/RCM, K.21
Operational conditions
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 50 °C
Operating relative humidity (H-H)	10 - 90%
Weight & dimensions
Weight	353.33 g
Width	130 mm
Depth	90 mm
Height	28.5 mm