Grandstream Analog Telephone Adapter Supports 2 FXS Ports+NAT Router *Min order case Quantity 16

Grandstream HT812

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Model HT812

Provantage Code:  GRST008

Condition:  Factory New

  • Product Type: VoIP Gateway
  • Product Model: HT812
  • Ethernet Technology: Gigabit Ethernet
  • TAA Compliant: No

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ElectronicsTelecommunications / TelephonyVoIP Products


Grandstream HT812 Specifications

    Analog Telephone Adapter Supports 2 FXS Ports+NAT Router *Min order case Quantity 16

At a Glance

    • 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


    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.


Product NameAnalog Telephone Adapter Supports 2 FXS Ports+NAT Router *Min order case Quantity 16
Product TypeVoIP Gateway
Network Standard10/100/1000Base-T
Wireless LANNo
Ethernet TechnologyGigabit Ethernet
Number of Network (RJ-45) Ports2
Management PortNo
PoE (RJ-45) PortNo
SIM Card SupportedNo
Number of FXS (RJ-11) Ports2
Redundant Power Supply SupportedNo
Environmentally FriendlyYes
Country of OriginChina
Product ModelHT812
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Grandstream Model HT812