---
title: Grandstream SIP ATA, 1x LAN, 1x WAN, 2x FXS
date: 2024-09-26T21:34:51Z
modified: 2026-05-19T10:03:00Z
permalink: "https://tech.co.za/product/grandstream-sip-ata-1x-lan-1x-wan-2x-fxs/"
type: product
status: publish
excerpt: HT812, SIP ATA with 1xGB LAN, 1xGB WAN, 2x FXS
wpid: 509905
product_brand:
  - Grandstream
product_type:
  - simple
product_visibility:
  - featured
product_cat:
  - VoIP Phones
featured_image: "https://tech.co.za/wp-content/uploads/2024/09/HT812.png"
---

The 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 in various application environments, strong encryption, automated provisioning for volume deployment and device management, and outstanding network performance for home and office use.