---
title: Grandstream SIP ATA, 1x FXS, 1x FXO
date: 2024-09-26T21:34:50Z
modified: 2026-05-15T12:02:05Z
permalink: "https://tech.co.za/product/grandstream-sip-ata-1x-fxs-1x-fxo/"
type: product
status: publish
excerpt: HT813, SIP ATA with 2x 10/100 LAN, 1x FXS, 1x FXO
wpid: 509904
product_brand:
  - Grandstream
product_type:
  - simple
product_visibility:
  - featured
product_cat:
  - VoIP Phones
featured_image: "https://tech.co.za/wp-content/uploads/2024/09/HT-813.png"
---

The HT813 is a 3-port analog telephone adapter, designed to facilitate the conversion of analog lines to VoIP. It features HD voice quality, advanced VoIP functionality, high-end security protection, 3-way voice conferencing per port and multiple auto provisioning options.