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Table of Contents
1.INTRODUCTION .................................................................................................................. 6
1.1 Functions of the PBX VoIP Gateway .........................................................................................................................6
1.1.1 Removes the heterogeneous PBX system barrier.........................................................................................................6
1.1.2 Enables Toll-Bypassing advantages..............................................................................................................................6
1.1.3 Foreign Exchange Advantages .....................................................................................................................................7
1.1.4 Hot-Line Application....................................................................................................................................................7
1.1.5 Telecommuter Application............................................................................................................................................8
2. BASIC APPLICATIONS OF THE PBX VOIP GATEWAY ............................................... 9
2.1 Internal Calls ...............................................................................................................................................................9
2.2 Calling From Stations To Remote PSTNs................................................................................................................10
2.3 Calling From PSTNs to internal Stations................................................................................................................10
2.4 Transit Calls From PSTNs to Remote PSTNs.........................................................................................................11
3. QUICK INSTALLATION................................................................................................ 13
3.1 Quick Start.................................................................................................................................................................13
3.2 Basic Topology ...........................................................................................................................................................13
3.3 Working Under a NAT Networking Environment..................................................................................................16
3.4 Utilizing QoS advantages.........................................................................................................................................18
3.4.1 Connectors and LED Indicators .................................................................................................................................19
3.5 Initial configuration of the Gateway........................................................................................................................22
3.5.1 Using the System Console..........................................................................................................................................22
3.6 IP Configuration........................................................................................................................................................24
3.6.1 Assigning the User IP Address ...................................................................................................................................24
3.6.2 Obtaining an IP Address From a DHCP Server..........................................................................................................26
3.7 Configuring the Master Device.................................................................................................................................28