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 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.
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
| 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 and Weight | 28.5 x 130 x 90 mm (H x W x D) Weight: 353.33g | |
| Compliance | FCC/CE/RCM, K.21 | |