Grandstream 2-port analog telephone adapter (ATA) w/ 2 FXS ports and integrated Gigabit NAT router
- SKU: HT812
US$59.00
- Manufacturer: Grandstream
- Data Sheet: Download
Product Information
Grandstream HT812
Powerful 2-port ATA with Gigabit NAT Router
The HT812 is an easy-to-use 2-port analog telephone adapter (ATA) with 2 FXS ports and an integrated Gigabit NAT router. Built upon Grandstream’s market-leading SIP ATA/gateway technology with millions of units successfully deployed worldwide, this powerful ATA features exceptional voice quality in various application environments, strong encryption with unique security certificate per unit, automated provisioning for volume deployment and device management, and outstanding network performance for home and office use. The HT812 delivers outstanding 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.
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
Specifications HT812
Interfaces
Weight | 353.33g (0.77 lbs) |
Dimension | 28.5 x 130 x 90 mm (H x W x D) |
Telephone Interfaces | Two (2) 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 |
Signaling
Network Protocols | TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, 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 |