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Grandstream HT812 2 Port Analog Adapter [HT812]

Grandstream
$75.87
In Stock At Supplier

IN STOCK - Items are in stock in our warehouse!

IN STOCK AT SUPPLIER - Items are in stock at our partner warehouse. However, by the time our partner processes the order, there's a small chance that the stock is no longer available, in which case we will notify you of an ETA. You may also call us to follow this up.

COMING SOON - The item is pre-orderable along with the ETA of roughly estimate of when the item will be arrive to our warehouse

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OUT OF STOCK - Item is no longer available in stock or at suppliers and can no longer be ordered.

Product SKU
GRS00059

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Grandstream HT812 2 Port Analog Adapter [HT812]

  • 2 FXS Ports, Dual Gigabit Ports
  • Built-in NAT Router (Up to 100MBps)
  • TLS & SRTP Security
  • Automated Provisioning: TR-069, XML
  • 3-Way Voice Conf.
  • Failover SIP Server
  • T.38 Fax
  • Various Caller ID Formats
  • Compatible with Grandstream’s UCM Series (Zero Configuration)
main product photo

Grandstream HT812 2 Port Analog Adapter

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.

More Information
Model HT812
Condition New
Product Type Networking
Ethernet Type 10/100 Mbps
Security Features

Security

Media  SRTP Control TLS/SIPS/HTTPS, SDP(RFC 2327), Refer (RFC 3515), Offer/Answer (RFC3265) SIP V2.0 (RFC 3261, 3262, 3264), RFC3261 ETC (3GPP TS 24.629, RFC 3515, RFC 3891, RFC 3892) SIP Session Timer (RFC 4028)
Advanced Features

TECHNICAL SPECS

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 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

Signaling

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, IMS/3GPP

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

Security
Media 
SRTP

Control
TLS/SIPS/HTTPS, SDP(RFC 2327), Refer (RFC 3515), Offer/Answer (RFC3265)
SIP V2.0 (RFC 3261, 3262, 3264), RFC3261
ETC (3GPP TS 24.629, RFC 3515, RFC 3891, RFC 3892)
SIP Session Timer (RFC 4028)

Management 
Syslog support, SSH, remote management using web browser

Physical
Universal Power Supply Input: 100-240VAC, 50-60Hz
Output: 12V/0.5A

Environmental
Operational: 32º – 104ºF or 0º – 50ºC
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
Dimensions 28.5 x 130 x 90 mm (H x W x D)
Warranty 1 Year Warranty

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Grandstream HT812 2 Port Analog Adapter [HT812]
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