Description
Book SynopsisBased on real-world experience, this handy solutions manual addresses the common VoIP migration challenges. Find out how to build your own VoIP system, install it, and begin making calls. It is helpful for IT managers, network engineers, and system administrators.
Table of ContentsForeword Preface 1. Voice and Data: Two Separate Worlds? The PSTN Key Systems and PBXs Limits of Traditional Telephony VoIP in the Home VoIP in Business VoIP's Changing Reputation Key Issues: Voice and Data: Two Separate Worlds 2. Voice over Data: Many Conversations, One Network VoIP or IP Telephony Distributed Versus Mainframe Key Issues: Voice over Data: Many Conversations, One Network 3. Linux as a PBX Free Telephony Software Installing Legacy Interface Cards Compiling and Installing Asterisk Monitoring Asterisk Key Issues: Linux as a PBX 4. Circuit-Switched Telephony Regulation and Organization of the PSTN Components of the PSTN Customer Premises Equipment Time Division Multiplexing Point-to-Point Trunking Legacy Endpoints Dial-Plan and PBX Design Key Issues: Circuit-Switched Telephony 5. Enterprise Telephony Applications Application Terminology Basic Call Handling Administrative Applications Messaging Applications Advanced Call-Handling Applications CTI Applications Key Issues: Telephony Applications 6. Replacing the Voice Circuit with VoIP The "Dumb" Transport Voice Channels Key Issues: Replacing the Voice Circuit with VoIP 7. Replacing Call Signaling with VoIP VoIP Signaling Protocols H.323 SIP IAX MGCP Cisco SCCP Heterogeneous Signaling Key Issues: Replacing Call Signaling with VoIP 8. VoIP Readiness Assessing VoIP Readiness Business Environment Network Environment Implementation Plan Key Issues: VoIP Readiness 9. Quality of Service QoS Past and Present Latency, Packet Loss, and Jitter CoS 802.1q VLAN Quality of Service Residential QoS Voice QoS on Windows Best Practices for Quality of Service Key Issues: Quality of Service 10. Security and Monitoring Security in Traditional Telephony Security for IP Telephony Access Control Software Maintenance and Hardening Intrusion Prevention and Monitoring Key Issues: Security and Monitoring 11. Troubleshooting Tools VoIP Troubleshooting Tools The Three Things You'll Troubleshoot SIP Packet Inspection Interoperability When, Not if, You Have Problems- Simulating Media Loads Key Issues: Troubleshooting Tools 12. PSTN Trunks Dial-Tone Trunks Routing PSTN Calls at Connect Points Timing Trunk Transitions Key Issues: PSTN Trunks 13. Network Infrastructure for VoIP Legacy Trunks VoIP Trunks WAN Design Disaster Survivability Metro-Area Links Firewall Issues Peer-by-Peer Codec Selection Key Issues: Network Infrastructure for VoIP 14. Traditional Apps on the Converged Network Fax and Modems Fire and Burglary Systems Surveillance Systems and Videoconferencing Voice Mail and IVR Emergency Dispatch/911 Key Issues: Traditional Apps on the Converged Network 15. What Can Go Wrong? Common Problem Situations Key Issues: What Can Go Wrong? 16. VoIP Vendors and Services Softphones and Instant Messaging Software Skype Other Desktop Telephony Software Developer Tools and SoftPBX Systems VoIP Service Providers Telephony Hardware Vendors 17. Asterisk Reference How Asterisk Is Supported Asterisk's Configuration Files Asterisk Dial-Plan Asterisk Channels The Asterisk CLI Integrating Asterisk with Other Software Key Issues: Asterisk Reference A. SIP Methods and Responses B. AGI Commands C. Asterisk Manager Socket API Syntax Glossary Index
