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HT 812

(GRANDSTREAM)

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
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

Telephone Interfaces
• 2 × RJ11 FXS Ports (expandable by peering with an FXS Gateway).

Network Interfaces
• 2 × Gigabit RJ45 Ethernet Ports (10/100/1000 Mbps).

LED Indicators
• Power, LAN, WAN, Phone 1 & Phone 2 LEDs.

Reset Button
• Factory Reset Button.

Telephony Features
• Caller ID, Call Waiting, Call Transfer, Call Forward, Hold, Do Not Disturb and 3-Way Conference.

Voice Codecs
• Supports G.711, G.722, G.723.1, G.729A/B, G.726-32, iLBC and Opus.

Fax Support
• T.38 Group 3 Fax Relay with automatic G.711 Fax Pass-through.

Caller ID Support
• Bellcore Type 1 & 2, ETSI, BT, NTT and DTMF-based Caller ID.

Network Protocols
• SIP, TCP/IP, UDP, RTP/RTCP, HTTP/HTTPS, DHCP, DNS, NTP, SSH, TLS, SRTP, SNMP and TR-069.

QoS
• Layer 2 (802.1Q/802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS.

Security
• SRTP, TLS, HTTPS and Secure SIP (SIPS).

Management
• Web-based Management, SSH, Syslog and Secure Auto Provisioning.

Power Supply
• Input: 100–240VAC, 50/60Hz.
• Output: 12V DC, 0.5A.

Dimensions
• 130 × 90 × 28.5 mm.

Weight
• 353.33 g.

Operating Environment
• Operating Temperature: 0°C to 50°C.
• Storage Temperature: -10°C to 60°C.
• Humidity: 10%–90% (Non-condensing).

Compliance
• FCC, CE, RCM and ITU-T K.21 Certified.