Contents

About This Publication

Purpose

Intended Audience

How to Use This Publication

Related Information

1 Demo Description

2 System Requirements

2.1 Hardware Requirements

2.2 Software Requirements

3 Preparing to Run the Demo

3.1 Connecting to External Equipment

3.2 Editing Configuration Files

3.2.1 File Location

3.2.2 Editing the gateway_r4.cfg Configuration File

3.3 Compiling and Linking

4 Running the Demo

4.1 Starting the Demo

4.2 Demo Options

4.3 Using the Demo

4.4 Stopping the Demo

5 Demo Details

5.1 Files Used by the Demo

5.1.1 Demo Source Code Files

5.1.2 Utility Files

5.1.3 PDL Files

5.2 Programming Model Classes

5.2.1 Class Diagram

5.2.2 ResourceManager Class

5.2.3 IPBoard Class

5.2.4 R4Board Class

5.2.5 PSTNBoard Class

5.2.6 IPDevice Class

5.2.7 R4Device Class

5.2.8 PSTNDevice Class

5.2.9 GCDevice Class

5.2.10 GCCallControl Class

5.2.11 PSTNCallControl Class

5.2.12 IPCallControl Class

5.2.13 Configuration Class

5.2.14 Channel Class

5.2.15 GWCall Class

5.3 Threads

5.4 Initialization

5.5 Event Handling

5.5.1 Event Mechanism

5.5.2 Handling Keyboard Input Events

5.5.3 Handling SRL Events

5.5.4 Handling Application Exit Events

6 Demo State Machines

6.1 GWCall State Machine - Inbound Call from IP

6.1.1 GWCall State Machine Description - Inbound from IP

6.1.2 GWCall::callNull State

6.1.3 GWCall::callGetIPInfo

6.1.4 GWCall::callIPOffered

6.1.5 GWCall::callIPAccepting

6.1.6 GWCall::callPSTNConnected

6.1.7 GWCall::callConnected

6.1.8 GWCall::callDropping

6.1.9 GWCall::callReleasing

6.2 GWCall State Machine - Inbound Call from PSTN

6.2.1 GWCall State Machine Description - Inbound from PSTN

6.2.2 GWCall::callNull State

6.2.3 GWCall::callPSTNDetected

6.2.4 GWCall::callPSTNOffered

6.2.5 GWCall::callPSTNAccepting

6.2.6 GWCall::callIPConnected

6.2.7 GWCall::callConnected

6.2.8 GWCall::callDropping

6.2.9 GWCall::callReleasing

6.3 PSTNCallControl State Machine

6.3.1 PSTNCallControl State Machine Description

6.3.2 PSTNCallControl::Null State

6.3.3 PSTNCallControl::Detected State

6.3.4 PSTNCallControl::Offered State

6.3.5 PSTNCallControl::Accepting State

6.3.6 PSTNCallControl::Answering State

6.3.7 PSTNCallControl::makingCall State

6.3.8 PSTNCallControl::Connected State

6.3.9 PSTNCallControl::Dropping State

6.3.10 PSTNCallControl::Releasing State

6.4 IPCallControl State Machine

6.4.1 IPCallControl State Machine Description

6.4.2 IPCallControl::Null State

6.4.3 IPCallControl::getCallInfo State

6.4.4 IPCallControl::offered State

6.4.5 IPCallControl::accepting State

6.4.6 IPCallControl::answering State

6.4.7 IPCallControl::makingCall State

6.4.8 IPCallControl::connected State

6.4.9 IPCallControl::dropping State

6.4.10 IPCallControl::dropped State

6.4.11 IPCallControl::releasing State

Glossary

Index

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