Switching to VoIP
Switching to VoIP By Ted Wallingford
June 2005
Pages: 502

| Table of Contents | Index | Sample Chapter | Colophon

Table of Contents

  1. Chapter 1 Voice and Data: Two Separate Worlds?

    1. The PSTN

    2. Key Systems and PBXs

    3. Limits of Traditional Telephony

    4. VoIP in the Home

    5. VoIP in Business

    6. VoIP's Changing Reputation

    7. Key Issues: Voice and Data: Two Separate Worlds

  2. Chapter 2 Voice over Data: Many Conversations, One Network

    1. VoIP or IP Telephony

    2. Distributed Versus Mainframe

    3. Key Issues: Voice over Data: Many Conversations, One Network

  3. Chapter 3 Linux as a PBX

    1. Free Telephony Software

    2. Installing Legacy Interface Cards

    3. Compiling and Installing Asterisk

    4. Monitoring Asterisk

    5. Key Issues: Linux as a PBX

  4. Chapter 4 Circuit-Switched Telephony

    1. Regulation and Organization of the PSTN

    2. Components of the PSTN

    3. Customer Premises Equipment

    4. Time Division Multiplexing

    5. Point-to-Point Trunking

    6. Legacy Endpoints

    7. Dial-Plan and PBX Design

    8. Key Issues: Circuit-Switched Telephony

  5. Chapter 5 Enterprise Telephony Applications

    1. Application Terminology

    2. Basic Call Handling

    3. Administrative Applications

    4. Messaging Applications

    5. Advanced Call-Handling Applications

    6. CTI Applications

    7. Key Issues: Telephony Applications

  6. Chapter 6 Replacing the Voice Circuit with VoIP

    1. The "Dumb" Transport

    2. Voice Channels

    3. Project 6.1. Set Up Custom Codec Selection and Enable an Independent Call Path

    4. Key Issues: Replacing the Voice Circuit with VoIP

  7. Chapter 7 Replacing Call Signaling with VoIP

    1. VoIP Signaling Protocols

    2. H.323

    3. SIP

    4. IAX

    5. MGCP

    6. Cisco SCCP

    7. Heterogeneous Signaling

    8. Key Issues: Replacing Call Signaling with VoIP

  8. Chapter 8 VoIP Readiness

    1. Assessing VoIP Readiness

    2. Business Environment

    3. Network Environment

    4. Implementation Plan

    5. Key Issues: VoIP Readiness

  9. Chapter 9 Quality of Service

    1. QoS Past and Present

    2. Latency, Packet Loss, and Jitter

    3. CoS

    4. 802.1q VLAN

    5. Quality of Service

    6. Residential QoS

    7. Voice QoS on Windows

    8. Best Practices for Quality of Service

    9. Key Issues: Quality of Service

  10. Chapter 10 Security and Monitoring

    1. Security in Traditional Telephony

    2. Security for IP Telephony

    3. Access Control

    4. Software Maintenance and Hardening

    5. Intrusion Prevention and Monitoring

    6. Project 10.3. Logging and Controlling VoIP Packets with iptables

    7. Key Issues: Security and Monitoring

  11. Chapter 11 Troubleshooting Tools

    1. VoIP Troubleshooting Tools

    2. The Three Things You'll Troubleshoot

    3. SIP Packet Inspection

    4. Interoperability

    5. Project 11.3. Trace Both Ends of a Call Setup with Log Comparison

    6. When, Not if, You Have Problems...

    7. Simulating Media Loads

    8. Key Issues: Troubleshooting Tools

  12. Chapter 12 PSTN Trunks

    1. Dial-Tone Trunks

    2. Routing PSTN Calls at Connect Points

    3. Timing Trunk Transitions

    4. Key Issues: PSTN Trunks

  13. Chapter 13 Network Infrastructure for VoIP

    1. Legacy Trunks

    2. VoIP Trunks

    3. Project 13.1 Use Dial-Plan to Connect to Multiple VoIP Networks

    4. WAN Design

    5. Disaster Survivability

    6. Metro-Area Links

    7. Firewall Issues

    8. Peer-by-Peer Codec Selection

    9. Project 13.2. Build an Interactive Directory on a SIP Display Phone

    10. Key Issues: Network Infrastructure for VoIP

  14. Chapter 14 Traditional Apps on the Converged Network

    1. Fax and Modems

    2. Fire and Burglary Systems

    3. Surveillance Systems and Videoconferencing

    4. Voice Mail and IVR

    5. Emergency Dispatch/911

    6. Key Issues: Traditional Apps on the Converged Network

  15. Chapter 15 What Can Go Wrong?

    1. Common Problem Situations

    2. Key Issues: What Can Go Wrong?

  16. Chapter 16 VoIP Vendors and Services

    1. Softphones and Instant Messaging Software

    2. Skype

    3. Other Desktop Telephony Software

    4. Developer Tools and SoftPBX Systems

    5. VoIP Service Providers

    6. Telephony Hardware Vendors

  17. Chapter 17 Asterisk Reference

    1. How Asterisk Is Supported

    2. Asterisk's Configuration Files

    3. Asteriskdial-planAsterisk Dial-Plan

    4. AsteriskchannelsAsterisk Channels

    5. The Asterisk CLI

    6. Integrating Asterisk with Other Software

    7. Key Issues: Asterisk Reference

  1. Appendix A SIP Methods and Responses

  2. Appendix B AGI Commands

  3. Appendix C Asterisk Manager Socket API Syntax

  4. Glossary

  5. Colophon

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