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Practical VolP Using VOCAL: (English)

Practical VolP Using VOCAL: (English)

          
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About the Book

This volume focuses on the real issues facing programmers and administrators who work with VOIP. VOCAL (the Vovida Open Communication Application Library) is an open source software project that provides call control, routing, media, policy, billing information and provisioning on a system that can range from a single box in a lab with a few test phones to a large, multi-host carrier grade network supporting hundreds of thousands of users. The book describes how such a phone system is actually built, and how too acquire the source code, install it onto a system, connect phones, and make calls. It covers the following topics: installing and configuring VOCAL 1.4.0 onto a single host and onto a multi-host network with phones and gateways; C++, C and Java architecture found within VOCAL; provisioning a VoIP system; SIP (Session Initiation Protocol), SDP (Session Description Protocol) and RTP (Real-time Transport Protocol) for call control and media; TRIP (Telephony Routing over IP), DNS SRV and ENUM for routing; MGCP (Media Gateway Control Protocol) and H.3 23 for call control and translation into SIP; COPS (Common Open Policy Service), OSP (Open Settlement Protocol) and RSVP (Reservation Protocol) for policy and Quality of Service; RADIUS (Remote Authentication Dial In User Service) for interfacing with billing servers; and SNMP (Simple Network Management Protocol).

Table of Contents:
Preface 1. VOCAL: Say, What? What's This All About? System Architecture Where's This Going? What's in This for You? 2. Setting Up a Phone System at Home Hardware Requirements Software Requirements Acquiring VOCAL Software Installing and Deploying VOCAL Testing Your Installation Accessing Provisioning Installing and Running a UA from Separate Hosts Configuring Software UAs Starting, Restarting, and Stopping VOCAL 3. Setting Up an Internal Trial System Interfacing with the PSTN Setting Up a Redundant System Configuring a PSTN Gateway Installing VOCAL onto a Multihost System Working with VOCAL 4. Provisioning Users Quick Step for Provisioning Users Logging into the Provisioning System User Configuration Screen Adding, Viewing, Editing, and Deleting Users 5. Configuring System Parameters and Dial Plans Login Procedure Configuring Servers The System Folder 6. Provisioning Servers The Servers Folder Call Detail Record Servers Redirect Server User Agent Marshal Server Gateway Marshal Servers Conference Bridge Marshal Server Internetwork Marshal Server Feature Servers Voice Mail Feature Servers JTAPI Servers Heartbeat Server Policy Servers 7. Session Initiation Protocol and Related Protocols What Is SIP? Sample Message Flows Message Headers SDP Messages Sample SIP Call Message Flow Forking Weird Situations 8. Vovida SIP Stack Architecture Constructing and Deconstructing Messages Parsing Transporting Compiling and Running the Stack Bugs/Limitations 9. Base Code State Machine Class Structure High-Level Flow Key Data Structures Dependencies 10. VOCAL User Agent Call Processing Multicall Processing Looking Through the Code Other UA Processes B2BUA 11. SIP Proxy: Marshal Server High-Level Design Functionality Security Authentication 12. Redirect Server High-Level Design Routing Ongoing Development 13. CPL Feature Server What Are Features? Core Features Set Features New Features SIP Messages and Feature Servers Scriptable Feature Development How CPL Script Converts to a C++ State Machine Feature Activation How to Develop a Feature Feature Server Files Writing Your Next Killer Feature 14. Unified Voice Mail Server High-Level Design Voice Mail Feature Server Voice Mail User Agent Voice Mail Server Setting Up a Voice Mail System 15. MGCP Translator Media Gateway Control Protocol MGCP Translator Test Tools Future Development Detailed Message Flows State Diagram 16. H.323 Translator H.323 Background Registration and Admission Source Code Getting Started 17. System Monitoring SNMP Support MIBs SNMP Daemon Network Manager Agent API SNMP GUI Adding MIBs Creating New Agent Code Heartbeat Server 18. Quality of Service and Billing Quality of Service Billing OSP Billing and Toll Fraud 19. Provisioning Old Provisioning System Mascarpone Provisioning System Provisioning Server Provisioning Interface Libraries Java User Interface GUI Screens DTD for Data Definition Examples of Protocol Transmissions/Replies A. VOCAL SIP UA Configuration File B. Testing Tools Index


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Product Details
  • ISBN-13: 9780596000783
  • Publisher: O'Reilly Media
  • Publisher Imprint: O'Reilly Media
  • Height: 232 mm
  • No of Pages: 500
  • Series Title: English
  • Weight: 834 gr
  • ISBN-10: 0596000782
  • Publisher Date: 13 Aug 2002
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Spine Width: 28 mm
  • Width: 178 mm


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