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Grandstream HT812 Documents

SKU: GRA-HT812

Grandstream HT812

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MSRP: $65.00

Powerful 2-port ATA with Gigabit NAT Router

SKU: GRA-HT812

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Description

The HT812 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.

Core 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
  • 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

Additional information

Weight 1 lbs
Dimensions 8 × 6 × 3 in
Brand

Grandstream
Number of Ports

2 FXS

Interfaces:

  • Telephone Interfaces: Two (2) RJ11 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

Voice, Fax, Modem:

  • Telephony Features: Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference 
  • Voice Codecs: G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.722, G.723.1, G.729A/B, G.726, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation0
  • Fax Over IP: T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through

For a full list of specifications, please refer to the product datasheet