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The Grandstream HT812 is an analog telephone adapter (ATA) with 2 FXS ports, 1 built-in NAT Gigabit router, 2 Gigabit network ports and supports up to 2 sip lines. This ATA offers excellent voice quality, security certificate encryption, automatic provisioning and is an easy-to-use device. In your home or office, the Grandstream HT812 is the ideal equipment for using VoIP telephony.

Features of the Grandstream HT812 ATA

Supports 2 SIP lines
2 FXS ports.
2 RJ45 ports of 10/100/1000 Mbps
AES encryption reinforced with security certificate.
Automatic and secure provisioning with TR069.
3-way voice conference per port.
HD sound

Supports the codec for Fax T.38
Integrated NAT router.
Voice codecs: G711, G.723.1, G.729A / B, G.726, iLBC, OPUS.
Cancellation of the line echo.
Universal power supply: Input 100-240VAC, 50-60Hz; Output: 12V / 0.5A.

Weight 0.600 kg

5.0 Average Rating Rated (1 Reviews)

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  1. Kappler

    recommendable

    Helpful (0) Unhelpful (0)

          Fantasique

          5.0 (17 reviews)

          At Fantasique, we specialize in providing state-of-the-art IP phones and professional VoIP communication solutions designed to meet the evolving needs of modern businesses. With a strong commitment to quality, performance, and innovation, we empower companies to communicate more efficiently, affordably, and securely—no matter where they are in the world.Founded by a team of telecom experts, Fantasique was born out of a passion for simplifying business communication through advanced technology. We understand that in today’s competitive environment, seamless and reliable connectivity is not just an advantage—it’s a necessity. That’s why we source and offer only the best IP telephones, VoIP equipment, and SIP-enabled devices from trusted brands, ensuring every customer receives lasting value.Our clientele includes small businesses, call centers, IT service providers, and corporate enterprises looking to upgrade or build their VoIP infrastructure. Whether you’re setting up a remote team, scaling your call system, or switching from analog to digital, Fantasique offers tailored solutions and expert advice to support your success.What sets us apart is our unwavering focus on customer satisfaction. From helping you choose the right device to offering post-sale technical guidance, our team is here every step of the way. We also ensure fast, secure shipping and competitive pricing on all our VoIP products.Fantasique is more than just a store—it’s your strategic partner for smarter communication.