Grandstream HT801/HT802 Analog Telephone Adapter User Guide

The Grandstream HT801/HT802 User Guide explains setup, configuration, and call features for these analog telephone adapters.

Brand: Grandstream
Category: Other network devices
Document type: User Manual
Language: English
Pages: 38
File format: PDF
File size: 822 KB
Published: 30 September, 2026
Updated: 30 September, 2026
MD5 checksum: 25F5CAB364498999918EC0D361E4BD3A
PDF: Grandstream HT801/HT802 Analog Telephone Adapter User Guide PDF

About this manual

This guide provides an overview of the Grandstream HT801 and HT802 analog telephone adapters, describing their hardware interfaces, supported protocols, and key features. It is intended to help users install, configure, and operate the devices in VoIP environments.

The document covers getting started, detailed configuration via the web UI and voice prompts, call handling features, firmware upgrade procedures, and how to restore factory defaults. It also includes technical specifications, LED indicators, and troubleshooting information.

What's inside

Product Overview
Getting Started
Configuration Guide
Call Features
Technical Specifications
Restore Factory Default Settings

Specifications

Telephone Interfaces	HT801: one RJ11 FXS port; HT802: two RJ11 FXS ports
Network Interface	10/100Mbps auto‑sensing Ethernet (RJ45)

Frequently asked questions

How do I make an inter‑port call on the HT802?

Dial ***70X where X is the port number (e.g., ***701 for port 1) to call between ports without a SIP server.

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