(800) 895-9660

remade-in-the-usa-telecom-refurbishment-initiative
Facebook-f Twitter Youtube
GET A FREE QUOTE
HT812-N Grandstream HT812 2-Port FXS VoIP ATA with Gigabit NAT Router – Secure Analog Telephone Adapter for HD Voice and Fax

Grandstream HT812 2-Port FXS VoIP Analog Telephone Adapter – Gigabit NAT Router for Clear & Secure Calls

CONDITION: BRAND NEW!

Part Number: HT812

 

remade-in-the-usa-telecom-refurbishment-initiative

$59.00

Availability: In stock

FREE Ground Shipping on qualifying orders over $250. International and oversized/bulk items are excluded.
Orders typically ship same day

For Quantity Discounts or Expedited Shipping
Call: 800-895-9660 or
Email: sales@retrotel.com

Related Products…

Grandstream 2-Port FXS Analog Telephone Adapter – New

Product Description:
The Grandstream HT812 2-Port FXS Analog Telephone Adapter (ATA) is a high-performance VoIP gateway designed to seamlessly integrate analog phones into digital communication networks. Perfect for home offices, small businesses, and VoIP users, this advanced adapter enhances call quality, security, and network efficiency while providing a cost-effective solution for VoIP telephony.

Equipped with dual FXS ports and an integrated Gigabit NAT router, the HT812 ensures fast, secure, and reliable connectivity for uninterrupted voice calls. It supports HD voice codecs, 3-way conferencing, and failover protection, making it ideal for users who demand exceptional call clarity and uptime. With TLS and SRTP encryption, your voice data remains protected against cyber threats, ensuring secure communication at all times.

Designed for easy setup and remote management, this adapter features an intuitive web-based interface for quick configuration. Whether you’re looking to extend the life of analog phones or build a powerful VoIP system, the Grandstream HT812 delivers unmatched reliability and efficiency.

Why Choose the Grandstream HT812?

✔ 2 FXS Ports – Connect up to two analog phones or fax machines for VoIP calls.
✔ Gigabit NAT Router – Ensures fast, stable, and secure internet connectivity.
✔ HD Voice & 3-Way Conferencing – Experience crystal-clear calls with advanced telephony features.
✔ Top-Notch Security – TLS & SRTP encryption safeguard voice data.
✔ Failover Protection – Automatically switches SIP servers for uninterrupted service.
✔ Plug & Play Setup – User-friendly web interface for easy configuration.
✔ Compact & Durable Design – Space-saving build for home and office use.

Upgrade your VoIP experience today with the Grandstream HT812—designed for clarity, security, and seamless connectivity. Order now and enjoy flawless communication!

The Grandstream HT812 2-Port FXS Analog Telephone Adapter is a versatile and powerful solution designed to connect traditional analog phones and fax machines to modern VoIP (Voice over Internet Protocol) networks. Whether you’re a small business owner, remote worker, or home user, this feature-rich device enables seamless digital telephony without the need for expensive upgrades.

Ideal for business VoIP systems, call centers, hotels, healthcare facilities, and remote offices, the HT812 allows you to maximize cost savings while enjoying high-definition voice quality and secure communications.

CONNECTING THE HT812

The HT812 isdesigned for easy configuration and easy installation, to connect your HT812, please follow the steps above:

  1. Insert a standard RJ11 telephone cable into the phone port and connect the other end of the telephone cable to a standard touch-tone analog telephone.
  2. Insert the ethernet cable into the internet or LAN port of the HT812 and connect the other end of the ethernet cable to an uplink port (a router or a modem, etc.)
  3. Insert the power adapter into the HT812 and connect it to a wall outlet.
  4. The Power, Ethernet, and Phone LEDs will be solidly lit when the Phone Adapter is ready for use.

CONFIGURING THE HT812

The HT812 can be configured either using the embedded Web GUI using PC’s web browser or using the IVR voice prompt menu.

Obtaining the IP address

The HT812 is by default configured to obtain the IP address from DHCP server where the unit is located. In order to know which IP address is assigned to your HT812, you should access to the “Interactive Voice Response Menu” of your adapter via the connected phone and check its IP address mode.

Please refer to the steps bellow to access the interactive voice response menu:

  1. Use a telephone connected to phone 1 or phone 2 ports of your HT812.
  2. Press *** (press the star key three times) to access the IVR menu and wait until you hear “Enter the menu option “.
  3. Press 02 and the current IP address will be announced.

Configure using Web UI

  1. Connect the computer to the same network as your HT812 and make sure the HT812 is booted up.
  2. You may check your HT812 IP address using the IVR on the connected phone.
  3. Open the Web browser on your computer.
  4. Enter the HT812’s IP address in the address bar of the browser.
  5. Enter the administrator’s password to access the Web Configuration Menu. (By default the admin password is admin)

Note:The computer must be connected to the same sub-network as the HT812. This can be easily done by connecting the computer to the same hub or switch as the HT812.

The HT812 is not pre-configured to support or make emergency calls to any type of hospital, law enforcement agency, medical care unit (“Emergency Service(s)”) or any other kind of Emergency Service. You must make additional arrangements to access Emergency Services. It is your responsibility to purchase SIP-compliant Internet telephone service, properly configure the HT812 to use that service, and periodically test your configuration to confirm that it works as you expect. If you do not do so, it is your responsibility to purchase traditional wireless or landline telephone services to access Emergency Services.

GRANDSTREAM DOES NOT PROVIDE CONNECTIONS TO EMERGENCY SERVICES VIA THE HT812. NEITHER GRANDSTREAM NOR ITS OFFICERS, EMPLOYEES OR AFFILIATES MAY BE HELD LIABLE FOR ANY CLAIM, DAMAGE, OR LOSS. YOU HEREBY WAIVE ANY AND ALL SUCH CLAIMS OR CAUSES OF ACTION ARISING FROM OR RELATING TO YOUR INABILITY TO USE THE HT812 TO CONTACT EMERGENCY SERVICES, AND YOUR FAILURE TO MAKE ADDITIONAL ARRANGEMENTS TO ACCESS EMERGENCY SERVICES IN ACCORDANCE WITH THE IMMEDIATELY PRECEDING PARAGRAPH.

Address Common Questions (FAQ Section)

✅ Q: Will this work with my VoIP provider?
A: Yes! The HT812 is compatible with most SIP-based VoIP providers, including Vonage, RingCentral, 8×8, and Nextiva.

✅ Q: Can I use this to send faxes?
A: Absolutely! The HT812 supports T.38 fax protocol, allowing reliable fax transmission over VoIP networks.

✅ Q: Is this easy to set up?
A: Yes! The HT812 features a user-friendly web interface and auto-provisioning options for fast, hassle-free installation.

✅ Q: Does it work with cordless phones?
A: Yes, any analog phone, including cordless models, can be connected to the FXS ports.

✅ Q: Can I use it without an internet connection?
A: No, this adapter requires an internet connection to make VoIP calls.

Grandstream HT812 Product Page

For full technical specs, visit the official Grandstream HT812 product page.

Crop Image