Asterisk: The Future of Telephony: The Future of Telephony - page 1
- Asterisk: The Future of Telephony
- Asterisk: The Future of Telephony
- Table of Contents
- Copyright
- Foreword
- Preface
- Audience
- Organization
- Software
- Conventions Used in This Book
- Using Code Examples
- Safari Enabled
- How to Contact Us
- Acknowledgments
- Chapter 1. A Telephony Revolution
- Section 1.1. VoIP: Bridging the Gap Between Traditional Telephony and Network Telephony
- Section 1.2. Massive Change Requires Flexible Technology
- Section 1.3. Asterisk: The Hacker s PBX
- Section 1.4. Asterisk: The Professional s PBX
- Section 1.5. The Asterisk Community
- Section 1.6. The Business Case
- Section 1.7. This Book
- Chapter 2. Preparing a System for Asterisk
- Section 2.1. Server Hardware Selection
- Section 2.2. Environment
- Section 2.3. Telephony Hardware
- Section 2.4. Types of Phone
- Section 2.5. Linux Considerations
- Section 2.6. Conclusion
- Chapter 3. Installing Asterisk
- Section 3.1. What Packages Do I Need?
- Section 3.2. Obtaining the Source Code
- Section 3.3. Compiling Zaptel
- Section 3.4. Compiling libpri
- Section 3.5. Compiling Asterisk
- Section 3.6. Installing Additional Prompts
- Section 3.7. Updating Your Source Code
- Section 3.8. Common Compiling Issues
- Section 3.9. Loading Zaptel Modules
- Section 3.10. Loading libpri
- Section 3.11. Loading Asterisk
- Section 3.12. Directories Used by Asterisk
- Section 3.13. Conclusion
- Chapter 4. Initial Configuration of Asterisk
- Section 4.1. What Do I Really Need?
- Section 4.2. Working with Interface Configuration Files
- Section 4.3. FXO and FXS Channels
- Section 4.4. Configuring an FXO Channel
- Section 4.5. Configuring an FXS Channel
- Section 4.6. Configuring SIP
- Section 4.7. Configuring Inbound IAX Connections
- Section 4.8. Configuring Outbound IAX Connections
- Section 4.9. Debugging
- Section 4.10. Conclusion
- Chapter 5. Dialplan Basics
- Section 5.1. Dialplan Syntax
- Section 5.2. A Simple Dialplan
- Section 5.3. Adding Logic to the Dialplan
- Section 5.4. Conclusion
- Chapter 6. More Dialplan Concepts
- Section 6.1. Expressions and Variable Manipulation
- Section 6.2. Dialplan Functions
- Section 6.3. Conditional Branching
- Section 6.4. Voicemail
- Section 6.5. Macros
- Section 6.6. Using the Asterisk Database (AstDB)
- Section 6.7. Handy Asterisk Features
- Section 6.8. Conclusion
- Chapter 7. Understanding Telephony
- Section 7.1. Analog Telephony
- Section 7.2. Digital Telephony
- Section 7.3. The Digital Circuit-Switched Telephone Network
- Section 7.4. Packet-Switched Networks
- Section 7.5. Conclusion
- Chapter 8. Protocols for VoIP
- Section 8.1. The Need for VoIP Protocols
- Section 8.2. VoIP Protocols
- Section 8.3. Codecs
- Section 8.4. Quality of Service
- Section 8.5. Echo
