Grandstream HT812-V2 2-Port FXS ATA with Gigabit NAT Router SIP T.38 TLS-SRTP

PRODUCT TITLE

Grandstream HT812-V2 2-Port FXS ATA with Gigabit NAT Router SIP T.38 TLS-SRTP

PRODUCT OVERVIEW

Grandstream HT812-V2 Powerful 2-port ATA with Gigabit NAT Router

PRODUCT TYPE / CATEGORY

• Networking
• Routers/Switches

KEY 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
• LED Indicators - POWER, NET1, NET2, PHONE1, PHONE2
• 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
• Technical Specification
• Interfaces: Telephone Interfaces: Two (2) RJ11 FXS ports; can be expanded by peering with an FXS gateway
• Network Interfaces: Two (2) 10/100/1000Mbps RJ45 ports
• LED Indicators: POWER, NET1, NET2, 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.722, G.723.1, G.729A/B, G.726-32, 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

TECHNICAL SPECIFICATIONS

• Brand: Grandstream
• Model: HT812-V2
• Product Type: Routers/Switches
• 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
• LED Indicators - POWER, NET1, NET2, PHONE1, PHONE2
• 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
• Interfaces: Telephone Interfaces: Two (2) RJ11 FXS ports; can be expanded by peering with an FXS gateway
• Network Interfaces: Two (2) 10/100/1000Mbps RJ45 ports
• LED Indicators: POWER, NET1, NET2, 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.722, G.723.1, G.729A/B, G.726-32, 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
• Dial Methods: DTMF, Pulse
• Disconnect Methods: Busy Tone, Polarity Reversal/Wink, Loop Current
• Signaling: Network Protocols: TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, Telnet, STUN (RFC3489,, 5389), SIP (RFC3261), SIP over TCP/TLS, SRTP, SNMP, TR-069, IMS/3GPP, IPoE
• QoS: Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS), Traffic shaping
• DTMF Method: In-audio, RFC2833 and/or SIP INFO
• Provisioning and Control: HTTP, HTTPS, SSH, TFTP, TR-069 , secure and automated provisioning using AES encryption, syslog
• Security: Media: SRTP
• Control: TLS/SIPS/HTTPS, SDP(RFC 2327), Refer (RFC 3515), Offer/Answer (RFC3265)
• SIP V2.0 (RFC 3261, 3262, 3264), RFC3261
• ETC (3GPP TS 24.629, RFC 3515, RFC 3891, RFC 3892)

INTENDED USE / APPLICATIONS

• Professional networking and communications deployments
• Commercial, institutional, or industrial installations
• Use with compatible equipment according to manufacturer specifications

SHIPPING

• Handling time: up to 2 business days
• Orders often ship the same business day
• Orders are not shipped on weekends or holidays
• Carrier is seller-selected (UPS, USPS, FedEx, or equivalent)
• Shipping delays may occur during high-volume periods or carrier-related issues
• Shipments to Alaska, Hawaii, Puerto Rico, or Guam may be cancelled due to cost
• Orders over $100 require a valid postal address
• Orders over $250 require insurance and signature confirmation
• International buyers are responsible for customs duties and import taxes
• Restricted destinations: Cuba, Iran, North Korea, Sudan, Syria, Russia

RETURNS

• Returns accepted within 30 days
• Item must be returned in the same condition as received
• Seller pays return shipping

DATA ACCURACY DISCLAIMER

Product details are based on available manufacturer information and may be subject to change without notice.

BULK / VOLUME BUYERS

For bulk orders or volume inquiries, please contact us to confirm availability and pricing.

ABOUT EHUB AMERICA

eHub America is a U.S.-based technology distributor specializing in two-way communications, networking, and security solutions. We operate with strict catalog standards, manufacturer-verified product data, and dependable order fulfillment. Our focus is serving professional, commercial, and institutional customers with consistency, accuracy, and operational reliability.