Grandstream HT812 - 2 Port ATA Adapter

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

The Grandstream HT812 is an advanced 2 Port Analog Telephone Adapter (ATA) with 2 FXS Ports and an integrated Gigabit NAT Router. Built upon Grandstreams market leading SIP ATA/Gateway Technology this powerful ATA features exceptional voice quality in various application environments, strong encryption with a 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 and 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

Interfaces

• Telephone Interfaces - Two x RJ11 FXS Ports can be Expanded by Peering with an FXS Gateway
• Network Interfaces - Two x 10/100/1000Mbps RJ45 Ports
• LED Indicators - POWER | LAN | WAN | PHONE1 | PHONE2
• Factory Reset Button

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

Weight and Dimensions

• Weight - 353.33g
• Dimensions - 28.5mm x 130mm x 90mm (H x W x D)