Grandstream HT812 2 PORT ATA IP TELEPHONE ADAPTOR

• Data Sheet

The Grandstream 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, this powerful ATA features exceptional voice quality, strong encryption, automated provisioning and device management, and outstanding network performance for home and office use.

Grandstream HT812 Key Features

• Supports 2 SIP profiles and 2 FXS ports
• Strong AES encryption with security certificate per unit
• Automated & secure provisioning options using TR069
• 3-way voice conferencing per port
• Exceptional voice quality with wideband HD codec
• Supports T.38 Fax for reliable Faxover-IP
• Supports dual Gigabit network ports
• High performance NAT router

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 FaxPass-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 AESencryption, 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: 28.5 x 130 x 90 mm (H x W x D)
• Weight: 353.33g

Compliance

• FCC/CE/RCM, K.21
• HT802 Telephone Adapter
• UK Power Adapter
• Ethernet Cable
• Quick Installation Guide
• GPL Statement

• HT812 Telephone Adapter
• UK Power Adapter
• Ethernet Cable
• Quick Installation Guide
• GPL Statement

Next Day Delivery
For UK orders received before 12pm Monday to Friday, we operate a next business day delivery service, subject to availability. We use next day services from the leading delivery companies.

Specific Time Delivery
If you need an item urgently, or delivered at a specific time, please contact us.

Delivery Methods
We use several leading delivery companies. The majority of our deliveries are made by
DPD, including most international orders.

Shipping prices are calculated during the checkout process.
We deliver to almost every country. For international delivery services, we use DHL, a high quality, fast delivery service. Prices are provided based on the weight of the order; this is calculated when you reach the checkout.

For full shipping information please visit our shipping page.

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