FXSO H.323 Gateway User Manual
Document Ver.: 2.1a
Release Sep., 2003
Copyright (c) 2002 Welltech Computer Co. Ltd.
4
1. Start Up
1.1 Introduction
WellGate 3701A/3702A is a one-port/two-port FXS+FXO gateway. It
supports an innovative intelligent call rouging function that transparently routes
calls to destination either through PSTN or Internet.
WellGate 3701A/3702A provides voice over IP and FAX over IP services
for ITSP/ISP Internet Telephony Services Provider and Office/SOHO IP-PBX
application.
Application Architecture
FXO ports can connect with PSTN Line or Extension Line of PBX
FXS ports can connect with Phone Set or Trunk Line of PBX
IP
Network
PBX
FXS
FXS
FXO
FXS
FXS
FXO
PBX
Extension
Extension port
Trunk side
IP
Network
IP
Network
PBX
PBX
FXS
FXS
FXO
FXS
FXS
FXO
PBX
PBX
Extension
Extension port
Trunk side