Grandstream HT812 V2 - 2 Port ATA with Gigabit NAT Router

About the Grandstream HT812-V2

The Grandstream HT812 V2 is a 2 Port Analogue Telephone Adapter (ATA) that features a built-in high-speed Gigabit Router.

Leveraging Grandstream's market leading SIP technology, which has been successfully deployed in millions of units globally, this powerful ATA offers superior performance.

Key features include exceptional voice clarity in any setting, robust security provided by a unique encryption certificate for every unit, automated provisioning for easy mass deployment and management, 3 way voice conferencing per port, and outstanding network efficiency for both home and office environments.

Features

• Supports 2 SIP Profiles and 2 FXS Ports
• Strong AES Encryption with Security Certificate Per Unit
• Automated & Secure Provisioning Options Using TR069
• Exceptional HD Voice Quality with Wideband HD Codec
• Supports T.38 Fax for Reliable Fax-Over-IP
• 3 Way Voice Conferencing Per Port
• Supports Dual Gigabit Network Ports
• High Performance NAT Router

Specifications:

Interfaces

• Telephone Interfaces - Two RJ11 FXS Ports can be Expanded by Peering with an FXS Gateway
• Network Interfaces - Two 10 / 100 / 1000Mbps RJ45 Ports
• LED Indicators for - POWER, NET1, NET2, PHONE1, PHONE2
• Factory Reset Button - A Factory Reset Button is Included

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.726-32, 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
• Dial Methods - DTMF, Pulse
• Disconnect Methods - Busy Tone, Polarity Reversal / Wink, Loop Current

Signalling

• Network Protocols - TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, Telnet, STUN (RFC3489, 5389), SIP (RFC3261), SIP over TCP/TLS, SRTP, SNMP, TR-069, IMS/3GPP, IPoE
• QoS - Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS), Traffic Shaping
• 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

Weight and Dimensions

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

Universal Power Supply

• Input - 100-240VAC
• Output - 12V / 0.5A

Compliance

• FCC / CE / RCM / K.21

Package Contents

• Grandstream HT812-V2 2 Port ATA with Gigabit NAT Router
• User Documentation