Grandstream HT812 2FXS-1ETH Gateway ATA

The HT812 is an advanced 2-port analog telephone adapter (ATA) with 2 FXS ports and an integrated Gigabit NAT router. Designed based on Grandstream´s market-leading ATA/SIP gateway technology with millions of units successfully installed worldwide, this powerful ATA delivers exceptional voice quality in various application environments, reinforced encryption with unique security certificate per unit, automatic provisioning for volume deployment and device management, and excellent network performance for home and office use.


Specifications:

Guy:
- Gateway

Ports:
- 2 x FXS ports
- 2 x 10/100/1000Mbps RJ45 ports

Voice, fax, modem:
- 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, line echo cancellation advanced
- Fax-Over-IP: Group 3 Relay Fax compatible with T.38 up to 14.4kpbs and automatic switching to G.711 for Fax Pass-through
- Ring Load: 3 REN, up to 1 km on 24AWG line
- Caller ID: Bellcore Type 1 and 2, ETSI, BT, NTT and DTMF-based CID
- Disconnection Methods: Busy Tone, Reverse Polarity/Wink, Loop Current
- 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)

Sign:
- DTMF Method: In-audio, RFC2833 and/or SIP INFO
- Provisioning and Control: HTTP, HTTPS, TELNET, TFTP, TR-069, secure and automatic provisioning using AES encryption, syslog
- Media: SRTP
- Control: TLS/ SIPS/HTTPS

Other features:
- LED Indicators: Power, Internet, Phone1, Phone2
- Factory Reset Button: Yes
- Telephony Functions: Caller ID display or blocking, call waiting, flash, unsupervised or supervised transfer, call forwarding, hold, do not disturb, 3-way conference
- Management: Support Syslog, telnet, remote management using internet browser
- Power Supply: Input: 100-240VAC, 50-60Hz | Output: 12VDC/0.5A
- Environment: Operating: 32º - 104ºF or 0º - 40ºC
- In storage: 14º - 140ºF or -10º - 60ºC
- Humidity: 10 - 90%, non-condensing
- Dimension and Weight: 28.5 x 130 x 90 mm, 114 g (H x W x D) Weight: 353.33 g
- Compliance: FCC/CE/RCM

Grandstream HT812 2FXS-1ETH Gateway ATA has the Grandstream official manufacturer warranty. As an Grandstream official retailer, all our offered electronics and computers items are covered by a 2 years manufacturer´s warranty. In techinn, we are dedicated to select high quality Phones products which will make your activity more comfortable. We have a variety of Accessories items to suit your needs and to make you feel inspired to do more sport in your daily routine.