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 ipmedia_r4.cfg Configuration File

3.3 Compiling and Linking

3.4 Selecting PCD/FCD Files

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 Channel Class

5.2.3 Configuration Class

5.2.4 DigitalPSTNBoard Class

5.2.5 DigitalPSTNDevice Class

5.2.6 GWCall Class

5.2.7 IPCallControl Class

5.2.8 IPMediaBoard Class

5.2.9 IPMediaDevice Class

5.2.10 IPMsg Class

5.2.11 IPProtocol Class

5.2.12 IPProtocolMgr Class

5.2.13 PSTNCallControl Class

5.2.14 R4Device Class

5.2.15 R4LogicalBoard Class

5.2.16 ResourceManager 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::gateNull State

6.1.3 GWCall::gateOfferingFromIP State

6.1.4 GWCall::gateIPWaitMediaInfo State

6.1.5 GWCall::gateWaitPSTNConnect State

6.1.6 GWCall::gateSignalingConnected State

6.1.7 GWCall::gateConnected State

6.2 GW Call State Machine - Inbound Call from PSTN

6.2.1 GWCall State Machine Description - Inbound from PSTN

6.2.2 GWCall::gateNull State

6.2.3 GWCall::gateDetectedFromPSTN State

6.2.4 GWCall::gateOfferingFromPSTN State

6.2.5 GWCall::gatePSTNWaitMediaInfo State

6.2.6 GWCall::gateWaitPSTNAnswer State

6.2.7 GWCall::gatePSTNConnected State

6.2.8 GWCall::gateSignalingConnected State

6.2.9 GWCall::gateConnected State

6.3 GWCall State Machine - Switching Between Voice/Fax

6.3.1 GWCall State Machine Description - Voice/Fax

6.3.2 GWCall::gateConnected State

6.3.3 GWCall::gateCallPause State

6.3.4 GWCall::gateWaitForMediaInfo State

6.3.5 GWCall::gateResume State

6.4 IPMediaDevice State Machine

6.4.1 IPMediaDevice State Machine Description

6.4.2 IPMediaDevice::mediaNull State

6.4.3 IPMediaDevice::mediaOffered State

6.4.4 IPMediaDevice::mediaStarted State

6.4.5 IPMediaDevice::mediaStopped State

6.5 PSTNCallControl State Machine

6.5.1 PSTNCallControl State Machine Description

6.5.2 PSTNCallControl::CCNull State

6.5.3 PSTNCallControl::CCDetected State

6.5.4 PSTNCallControl::CCAnsweringCall State

6.5.5 PSTNCallControl::CCMakingCall State

6.5.6 PSTNCallControl::CCConnected State

6.5.7 PSTNCallControl::CCDropping State

6.5.8 PSTNCallControl::CCReleasing State

Glossary

Index

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