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The Grandstream HT812 V2 is a powerful 2-port analog telephone adapter (ATA) that seamlessly bridges traditional analog phones and fax machines with modern VoIP networks. Equipped with gigabit Ethernet ports and advanced NAT router functionality, this versatile device is ideal for small businesses and home offices looking to modernize their telephony infrastructure without sacrificing existing analog equipment.
The HT812 V2 offers an economical solution for businesses transitioning to VoIP while preserving their investment in analog telephony equipment. The device features dynamic jitter buffer management and advanced line echo cancellation to deliver crystal-clear voice quality, even on challenging network conditions. Its gigabit Ethernet ports ensure that your voice traffic won't bottleneck your network, making it suitable for bandwidth-intensive business environments.
Whether you're a small business looking to reduce telephony costs, a remote office needing reliable fax capabilities, or a home user wanting to integrate legacy phones with a modern VoIP service, the HT812 V2 delivers the performance and features you need. The built-in NAT router functionality eliminates the need for additional networking equipment, streamlining installation and reducing overall deployment costs.
When you purchase the Grandstream HT812 V2, you're backed by over 250,000 happy customers who have trusted us for their technology needs. Every product comes with a warranty for your peace of mind, ensuring your investment is protected. Our commitment to quality means you can deploy this telephony solution with confidence, knowing it will deliver reliable performance for years to come.
Ready to upgrade your business communications? Order your Grandstream HT812 V2 today and start enjoying the benefits of modern VoIP technology while keeping your trusted analog devices in service.
New items ship in their original manufacturer's packaging. These items are in excellent condition with no blemishes on their housings.
| Manufacturer | Grandstream |
|---|---|
| Model | HT812 V2 |
| Networking Interfaces | 2x 10/100/1000Mbps RJ45 ports |
| # of Telephone Interfaces | 2x RJ11 FXS ports |
| Voice Compression | 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 Support | T.38 compliant Group 3 Fax Relay (up to 14.4kbps) and G.711 Fax Pass-through |
| Telephony Features | Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference |
| Provisioning | 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) SIP Session Timer (RFC 4028) |
| Dimensions (WxDxH) | 5.12" x 3.54" x 1.12" |
| Mounting | Desktop |
| Included | 1x HT812 V2 Analog Telephone Adapter Unit 1x 12V Universal Power Adapter 1x Ethernet Cable (RJ45) 1x Quick Installation Guide 1x GPL License |
Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.
If you need assistance finding a different product our awesome staff is ready to help. Contact us for expert support.
All products purchased from us are covered by a 1-year warranty from the date of purchase, covering manufacturing defects and functional failures under normal business use.
Please note that batteries are an exception to this policy. Batteries are covered by a 90-day warranty due to their consumable nature.
This warranty does not cover damage caused by misuse, unauthorized modifications, or improper handling. For any warranty claims, please contact our support team with your purchase details and a description of the issue.
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