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CCTV Network Switch HT812

Designed for users looking to connect their analog devices to a VoIP network at home or in the office. The HT812 is a powerful analog telephone adapter that is easily deployable and manageable. It comes equipped with 2 FXS ports and an integrated Gigabit NAT router.

Key Features

  • Strong AES encryption

  • Supports 2 SIP profiles and 2 FXS ports

  • Supports 3-way voice conferencing


Description

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 Grand stream'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.



 

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.

GrandStream HT812 - Technical Specifications

Interfaces

  • 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

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.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

  • 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

  • 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 – 40ºC

    Storage: 14º – 140ºF or -10º – 60ºC

    Humidity: 10 – 90% Non-condensing

  • Dimension: 28.5 x 130 x 90 mm (H x W x D)

  • Weight: 353.33g

Compliance

  • FCC/CE/RCM, K.21