HT812
HT812
HT812
{
HT812
HT812
HT812

HT812

Powerful 2-port ATA with Gigabit NAT Router

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.

Features

  • 2 Lines

    2 Lines

    Supports 2 SIP profiles and 2 FXS ports

  • Security

    Security

    Strong AES encryption with security certificate per unit

  • Automated Provisioning

    Automated Provisioning

    Automated & secure provisioning options using TR069

  • HD Audio

    HD Audio

    Exceptional voice quality with wideband HD codec

  • Faxover-IP

    Faxover-IP

    Supports T.38 Fax for reliable Faxover-IP

  • Gigabit Network

    Gigabit Network

    Supports dual Gigabit network ports

Technical Specification

Telephone Interfaces
Two (2) RJ11 FXS ports
Network Interfaces
Two (2) 10/100/1000Mbps RJ45 ports
LED Indicators
POWER, LAN, WAN, PHONE1, PHONE2
Factory Reset Button
Yes
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.723.1, G.729A/B, G.726, 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
Disconnect Methods
Busy Tone, Polarity Reversal/Wink, Loop Current
Network Protocols
TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP,
TFTP, SSH, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069
QoS
Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS)
DTMF Method
In-audio, RFC2833 and/or SIP INFO
Provisioning and Control
HTTP, HTTPS, SSH, TFTP, TR-069 , secure and automated provisioning using AES encryption, syslog
Media
SRTP
Control
TLS/SIPS/HTTPS
Management
Syslog support, SSH, remote management using web browser
Universal Power Supply
Input: 100-240VAC, 50-60Hz
Output: 12V/0.5A
Environmental
Operational: 32º – 104ºF or 0º – 40ºC
Storage: 14º – 140ºF or -10º – 60ºC
Humidity: 10 – 90% Non-condensing
Dimension and Weight
28.5 x 130 x 90 mm (H x W x D)
Weight: 353.33g
Compliance
FCC/CE/RCM, K.21