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Grandstream 2-port analog telephone adapter (ATA) w/ 2 FXS ports and integrated Gigabit NAT router

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  • SKU: HT812
  • Manufacturer: Grandstream
  • Data Sheet: Download
  • Availability: 4 In Stock (updated live)
$49.00

Specifications HT812

Interfaces

Telephone InterfacesTwo (2) FXS ports
Network InterfacesTwo (2) 10/100/1000Mbps RJ45 ports
LED IndicatorsPOWER, LAN, WAN, PHONE1, PHONE2
Factory Reset ButtonYes

Voice, Fax, Modem

Telephony FeaturesCaller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference
Voice CodecsG.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 IPT.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through
Short/Long Haul Ring Load3 REN, up to 1km on 24AWG line

Signaling

Network ProtocolsTCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069
QoSLayer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS)
DTMF MethodIn-audio, RFC2833 and/or SIP INFO

Grandstream HT812

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.

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