Table of Contents

Switching to VoIP
By Theodore  Wallingford
...............................................
Publisher: O'Reilly
Pub Date: June 2005
ISBN: 0-596-00868-6
Pages: 502

Table of Contents    Index

		Copyright
		dedication  Dedication
		Foreword
		Preface
			Audience
			Assumptions Made in This Book
			Conventions
			Where to Get More
			Safari Enabled
			How to Contact Us
			Acknowledgments
		Chapter 1.   Voice and Data: Two Separate Worlds?
			Section 1.1.   The PSTN
			Section 1.2.   Key Systems and PBXs
			Section 1.3.   Limits of Traditional Telephony
			Section 1.4.   VoIP in the Home
			Section 1.5.   VoIP in Business
			Section 1.6.   VoIP's Changing Reputation
			Section 1.7.   Key Issues: Voice and Data: Two Separate Worlds
		Chapter 2.   Voice over Data: Many Conversations, One Network
			Section 2.1.   VoIP or IP Telephony
			Section 2.2.   Distributed Versus Mainframe
			Section 2.3.   Key Issues: Voice over Data: Many Conversations, One Network
		Chapter 3.   Linux as a PBX
			Section 3.1.   Free Telephony Software
			Section 3.2.   Installing Legacy Interface Cards
			Section 3.3.   Compiling and Installing Asterisk
			Section 3.4.   Monitoring Asterisk
			Section 3.5.   Key Issues: Linux as a PBX
		Chapter 4.   Circuit-Switched Telephony
			Section 4.1.   Regulation and Organization of the PSTN
			Section 4.2.   Components of the PSTN
			Section 4.3.   Customer Premises Equipment
			Section 4.4.   Time Division Multiplexing
			Section 4.5.   Point-to-Point Trunking
			Section 4.6.   Legacy Endpoints
			Section 4.7.   Dial-Plan and PBX Design
			Section 4.8.   Key Issues: Circuit-Switched Telephony
		Chapter 5.   Enterprise Telephony Applications
			Section 5.1.   Application Terminology
			Section 5.2.   Basic Call Handling
			Section 5.3.   Administrative Applications
			Section 5.4.   Messaging Applications
			Section 5.6.   Advanced Call-Handling Applications
			Section 5.7.   CTI Applications
			Section 5.8.   Key Issues: Telephony Applications
		Chapter 6.   Replacing the Voice Circuit with VoIP
			Section 6.1.   The "Dumb" Transport
			Section 6.2.   Voice Channels
			Section 6.3.   Project 6.1. Set Up Custom Codec Selection and Enable an Independent Call Path
			Section 6.4.   Key Issues: Replacing the Voice Circuit with VoIP
		Chapter 7.   Replacing Call Signaling with VoIP
			Section 7.1.   VoIP Signaling Protocols
			Section 7.2.   H.323
			Section 7.3.   SIP
			Section 7.4.   IAX
			Section 7.5.   MGCP
			Section 7.6.   Cisco SCCP
			Section 7.7.   Heterogeneous Signaling
			Section 7.8.   Key Issues: Replacing Call Signaling with VoIP
		Chapter 8.   VoIP Readiness
			Section 8.1.   Assessing VoIP Readiness
			Section 8.2.   Business Environment
			Section 8.3.   Network Environment
			Section 8.4.   Implementation Plan
			Section 8.5.   Key Issues: VoIP Readiness
		Chapter 9.   Quality of Service
			Section 9.1.   QoS Past and Present
			Section 9.2.   Latency, Packet Loss, and Jitter
			Section 9.3.   CoS
			Section 9.4.   802.1q VLAN
			Section 9.5.   Quality of Service
			Section 9.6.   Residential QoS
			Section 9.7.   Voice QoS on Windows
			Section 9.8.   Best Practices for Quality of Service
			Section 9.9.   Key Issues: Quality of Service
		Chapter 10.   Security and Monitoring
			Section 10.1.   Security in Traditional Telephony
			Section 10.2.   Security for IP Telephony
			Section 10.3.   Access Control
			Section 10.4.   Software Maintenance and Hardening
			Section 10.5.   Intrusion Prevention and Monitoring
			Section 10.6.   Project 10.3. Logging and Controlling VoIP Packets with iptables
			Section 10.7.   Key Issues: Security and Monitoring
		Chapter 11.   Troubleshooting Tools
			Section 11.1.   VoIP Troubleshooting Tools
			Section 11.2.   The Three Things You'll Troubleshoot
			Section 11.3.   SIP Packet Inspection
			Section 11.4.   Interoperability
			Section 11.5.   Project 11.3. Trace Both Ends of a Call Setup with Log Comparison
			Section 11.6.   When, Not if, You Have Problems...
			Section 11.7.   Simulating Media Loads
			Section 11.8.   Key Issues: Troubleshooting Tools
		Chapter 12.   PSTN Trunks
			Section 12.1.   Dial-Tone Trunks
			Section 12.2.   Routing PSTN Calls at Connect Points
			Section 12.3.   Timing Trunk Transitions
			Section 12.4.   Key Issues: PSTN Trunks
		Chapter 13.   Network Infrastructure for VoIP
			Section 13.1.   Legacy Trunks
			Section 13.2.   VoIP Trunks
			Section 13.3.   Project 13.1 Use Dial-Plan to Connect to Multiple VoIP Networks
			Section 13.4.   WAN Design
			Section 13.5.   Disaster Survivability
			Section 13.6.   Metro-Area Links
			Section 13.7.   Firewall Issues
			Section 13.8.   Peer-by-Peer Codec Selection
			Section 13.9.   Project 13.2. Build an Interactive Directory on a SIP Display Phone
			Section 13.10.   Key Issues: Network Infrastructure for VoIP
		Chapter 14.   Traditional Apps on the Converged Network
			Section 14.1.   Fax and Modems
			Section 14.2.   Fire and Burglary Systems
			Section 14.3.   Surveillance Systems and Videoconferencing
			Section 14.4.   Voice Mail and IVR
			Section 14.5.   Emergency Dispatch/911
			Section 14.6.   Key Issues: Traditional Apps on the Converged Network
		Chapter 15.   What Can Go Wrong?
			Section 15.1.   Common Problem Situations
			Section 15.2.   Key Issues: What Can Go Wrong?
		Chapter 16.   VoIP Vendors and Services
			Section 16.1.   Softphones and Instant Messaging Software
			Section 16.2.   Skype
			Section 16.3.   Other Desktop Telephony Software
			Section 16.4.   Developer Tools and SoftPBX Systems
			Section 16.5.   VoIP Service Providers
			Section 16.6.   Telephony Hardware Vendors
		Chapter 17.   Asterisk Reference
			Section 17.1.   How Asterisk Is Supported
			Section 17.2.   Asterisk's Configuration Files
			Section 17.3.   Asterisk Dial-Plan
			Section 17.4.   Asterisk Channels
			Section 17.5.   The Asterisk CLI
			Section 17.6.   Integrating Asterisk with Other Software
			Section 17.7.   Key Issues: Asterisk Reference
		Appendix A.   SIP Methods and Responses
		Appendix B.   AGI Commands
		Appendix C.   Asterisk Manager Socket API Syntax
		Glossary
		Colophon
			About the Author
			Colophon
		Index