Grandstream HT812 – Powerful 2-port ATA with Gigabit NAT Router HT812, 2 SIP Profiles, 2 RJ11 FXS Ports, 2 RJ45 Gigabit Ethernet

Grandstream HT812 Analog Telephone Adapter Specifications:

• Manufacturer: Grandstream
• Model: HT812
• Telephone Interfaces: Two (2) FXS ports
  • Can be expanded by peering with an FXS gateway
• Network Interfaces: Two (2) 10/100/1000Mbps RJ45 Ports
• LED Indicators: POWER, LAN, WAN, PHONE1, PHONE2
• Factory Reset Button: Yes
• Fax Over IP: T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through
• Short/Long Haul Ring Load: 3 REN, up to 1km on 24AWG line
• Caller ID: Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
• QoS: Layer 2 (802.1Q VLAN, SIP/RTP 802.1p), Layer 3 (ToS, Diffserv, MPLS)
• DTMF Method: In-audio, RFC2833 and/or SIP INFO
• Power Supply: Input: 100-240VAC, 50-60Hz, Output: 12V/0.5A
• Telephony Features: Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference

The HT812 delivers powerful VoIP technology and routing capabilities to home and office environments, and allows users to successfully connect their analog devices to a manageable and powerful VoIP network. Built using Grandstream’s market-leading SIP ATA/gateway technology, with millions of units successfully deployed worldwide, this powerful ATA features exceptional voice quality in various applications and environments. The HT812 comes with 2 easy-to-use FXS ports, an integrated Gigabit NAT router, state-of-the-art encryption with a unique security certificate per unit, automated provisioning for volume deployment and device management and outstanding network performance.

Grandstream HT812 Analog Telephone Adapter Product 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
• Automated provisioning options include TR-069 and XML config files
• Supports 3-way voice conferencing
• 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
• Failover SIP server automatically switches to secondary server if main server loses connection

Grandstream HT812 Analog Telephone Adapter Package Contents:

• 1× HT812
• 1× Ethernet Cable
• 1× 12V Power Adapter
• 1× Quick Installation Guide
• 1× GPL License

Grandstream HT812 Analog Telephone Adapter Resources:

• Grandstream HT812 DataSheet: Download PDF
• Grandstream HT812 Quick Installation Guide: Download PDF