Intel IP Gateway (Global Call) for Linux and Windows User Manuals

Table of Contents

• 1. About This Guide

  1
• 1.1. Purpose

  1
• 1.2. Intended Audience

  1
• 1.3. Related Documents

  1
• 2. Demo Description

  3
• 2.1. About the Demo

  3
• 2.2. Choosing Channels

  3
• 3. System Requirements

  5
• 3.1. Hardware Requirements

  5
• 3.2. Software Requirements

  5
• 4. Preparing to Run the Demo

  7
• 4.1. Connecting to External Equipment

  7
• Figure 1. Hardware Configuration with Onboard NIC and PSTN Front End

  7
• board

  8
• 4.2. Editing Configuration Files

  9
• 4.2.1. Configuration File Location

  9
• Figure 3. Typical Topology

  9
• 4.2.2. Editing the gateway_r4.cfg File

  10
• 5. Running the Demo

  17
• 5.1. Starting the Demo

  17
• 5.2. Demo Options

  17
• Table 2. Command Line Switches

  18
• 5.3. Using the Demo

  20
• 5.4. Stopping the Demo

  20
• Table 3. Runtime Keyboard Commands

  20
• 6. Demo Details

  21
• 6.1. Files Used by the Demo

  21
• 6.1.1. Demo Source Files

  21
• Table 4. Source Files Used by the IP Gateway (Global Call) Demo

  21
• 6.1.2. Utility Files

  23
• 6.1.3. PDL Files

  24
• 6.2. Handling an Incoming Call

  25
• 6.2.1. Receiving a Call

  25
• 6.2.2. Handling a PSTN Call

  25
• 6.2.3. Handling an IP Call

  26
• 6.3. Programming Model

  26
• Figure 4. Programming Model

  26
• 6.4. Initializations

  27
• 6.5. Event Mechanism

  29
• 6.5.1. Handling Keyboard Input Events

  29
• 6.5.2. Handling SRL Events

  29
• 6.5.3. Handling Application Exit Events

  30
• 6.6. Demo State Machine

  30
• 6.6.1. Call Establishment from IP

  30
• Figure 5. Call Establishment from IP

  31
• 6.6.2. Call Establishment from PSTN

  32
• Figure 6. Call Establishment from PSTN

  32
• 6.6.3. Call Teardown

  33
• 6.6.4. Glare Conditions

  34
• Appendix A - Log File of IP Call Establishment

  35
• Appendix B - Log File of PSTN Call Establishment

  39
• Index

  45