Chapter 1 - Introduction

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.

English

PSTN

NAT/Router

Internet

AX-112 Analog Telephone Adapter