Introduction; Overview - Asus Analog Telephone Adapter AX-112 User Manual

1. Introduction

Overview

Thank you for buying an ASUS AX-112 Analog Telephone Adapter!
The ASUS AX-112 analog telephone adapter is a Session Initiation Protocol
(SIP) compliant Voice over Internet (VoIP) terminal adapter. It features high
audio quality, multiple telephone functions, and compact design. It can work
with SIP compliant devices and server to provide voice communication via the
Internet.
AX-112's compact design is specially-designed with WAN and LAN ports, and
with FXO and FXS ports. It supports Ethernet LAN to WAN bridge capability
and users can connect their PC or notebook to the Internet through the cable
on LAN port.
The FXO is designed with a bypass relay, which means that the FXO can pass
through connection to the phone set on FXS port. You can call via the internet
through:
• the phone set on FXS port; or
• pressing the control code on the phone key pad to switch to normal PSTN
line.
PSTN
AX-112 Analog Telephone Adapter
Chapter 1 - Introduction
NAT/Router
Internet
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