Preface;
Audience;
Contents of This Book;
Conventions Used in This Book;
Using Code Examples;
Safari® Books Online;
How to Contact Us;
Acknowledgments;
Dedication;
Chapter 1: Introduction to Voice over the Internet Protocol;
1.1 What Is VoIP?;
1.2 Real-time Versus Nonreal-time Data;
1.3 Why Change to VoIP?;
1.4 VoIP and FCC Regulation;
1.5 General VoIP Topologies;
1.6 Power over Ethernet;
1.7 VoIP Protocols;
1.8 VoIP Basic Operation;
1.9 Unified Communications;
1.10 Summary;
1.11 Standards and Reading;
1.12 Review Questions;
1.13 Review Question Answers;
1.14 Lab Activities;
Chapter 2: Traditional Telephony;
2.1 Introduction;
2.2 Overview;
2.3 Organizations;
2.4 Connecting to the Traditional World;
2.5 Telecommunication Companies;
2.6 Telephone Wiring;
2.7 Integrated Services Digital Network;
2.8 Basic Telephone-Call Operation;
2.9 Summary;
2.10 Standards and Reading;
2.11 Review Questions;
2.12 Review Question Answers;
2.13 Lab Activities;
Chapter 3: Session Initiation Protocol;
3.1 Introduction;
3.2 Protocol Description;
3.3 Basic Operation;
3.4 SIP Messages and Message Structure;
3.5 Basic Operation Continued;
3.6 Trunks;
3.7 Security;
3.8 Summary;
3.9 Standards and Reading;
3.10 Review Questions;
3.11 Review Question Answers;
3.12 Lab Activities;
Chapter 4: The Real-Time Transport Protocol and the Real-Time Control Protocol;
4.1 Protocol Description;
4.2 Profiles;
4.3 Basic Operation;
4.4 RTP Control Protocol;
4.5 Security;
4.6 Summary;
4.7 Standards and Reading;
4.8 Review Questions;
4.9 Review Answers;
4.10 Lab Activities;
Chapter 5: Codecs;
5.1 Audio Frequencies;
5.2 Voice Signals;
5.3 Audio Coders and Decoders;
5.4 Transcoding;
5.5 Packet Loss and Packet Loss Concealment (PLC);
5.6 What Codec Are You Using?;
5.7 Video Signals;
5.8 Standards Groups for Video;
5.9 Summary;
5.10 Standards and Reading;
5.11 Review Questions;
5.12 Review Question Answers;
5.13 Lab Activities;
Chapter 6: H.323 ITU-T Recommendation for Packet-Based Multimedia Communications Systems;
6.1 Recommendation Description;
6.2 Subprotocols;
6.3 Basic Operation and Message Structure;
6.4 H.225 Messaging;
6.5 H.245;
6.6 Voice Data;
6.7 Termination;
6.8 Summary;
6.9 Standards and Reading;
6.10 Review Questions;
6.11 Review Question Answers;
6.12 Lab Activities;
Chapter 7: Skinny Client Control Protocol;
7.1 Protocol Description;
7.2 Topology Construction;
7.3 Operational Stages;
7.4 Performance Measuring;
7.5 Off-Site Calling;
7.6 Summary;
7.7 Reading;
7.8 Review Questions;
7.9 Review Answers;
7.10 Lab Activities;
Colophon;