
1. Introduction
1.1. Overview
Micronet SP5002/S, SP5004/S FXS (Foreign eXchange Station) VoIP Gateway, based
on IETF SIP standard, provides voice and fax over IP networks. Their simplified
operation and configuration features are the most suitable for residential and SOHO
application. Just an IP address and two (or four) phone sets can bring you to Voice
over IP world. No more long distance and international telephone fee.
Foreign eXchange Station, or FXS, is a telephone interface which generates battery
power and ring signals. FXS interface connects directly to a standard telephone or fax
machine, supplies ring, voltage, and dial tone.
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