Grandstream HandyTone 812 (HT812) 2-port ATA with Gigabit NAT Router

Mfg. Part Number: HT812
MSRP: $75.00

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This product is a replacement for:
Grandstream - HandyTone 502 (HT502) Analog Telephone Adaptor (HT502)

This product has been replaced by:
HandyTone 812 v2 (HT812 V2) 2-port ATA with Gigabit NAT Router

Ethernet Connectivity - One (2) 10/100/1000Mbps RJ45 ports
Voice Ports - Two (2) FXS ports
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)
Warranty - 1 Year
The HT812 is an advanced 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.

Data Sheet290.93 KB

Interfaces

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
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, 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
Provisioning and Control
HTTP, HTTPS, TELNET, TFTP, TR-069 , secure and automated provisioning using AES encryption, syslog

Security

Media
SRTP
Control
TLS/SIPS/HTTPS
Management
Syslog support, telnet, remote management using web browser