Grandstream HT812-V2 2 FXS Ports VoIP Gateway

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.

Features:

• Supports 2 SIP profiles and 2 FXS ports
• Strong AES encryption with security certificate per unit
• Automated & secure provisioning options using TR069
• 3-way voice conferencing per port
• Exceptional voice quality with wideband HD codec
• Supports T.38 Fax for reliable Fax-over-IP
• Supports dual Gigabit network ports
• High performance NAT router

Additional Information:

• Weight: 1 lbs

• Dimensions: 7.44 × 6.02 × 2.52 in

• Device Ports: FXS, Gigabit

• Number of Ports: 2 FXS

• Business Router: VoIP-Gateway Router

Technical Specifications:

GENERAL INFO:

• Model: HT812 v2
• 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, NET1, NET2, 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.726-32, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation
  • 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
  • Dial Methods
    • DTMF, Pulse
  • Disconnect Methods
    • Busy Tone, Polarity Reversal/Wink, Loop Current

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