Building Telephony Systems with OpenSER. A step-by-step guide to building a high performance Telephony System Flavio E. Goncalves, Bogdan Andrei Iancu (EUR), Flavio E Goncalves

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Building Telephony Systems with OpenSER. A step-by-step guide to building a high performance Telephony System Flavio E. Goncalves, Bogdan Andrei Iancu (EUR), Flavio E Goncalves - okladka książki

Building Telephony Systems with OpenSER. A step-by-step guide to building a high performance Telephony System Flavio E. Goncalves, Bogdan Andrei Iancu (EUR), Flavio E Goncalves - audiobook MP3

Building Telephony Systems with OpenSER. A step-by-step guide to building a high performance Telephony System Flavio E. Goncalves, Bogdan Andrei Iancu (EUR), Flavio E Goncalves - audiobook CD

Autorzy:: Flavio E. Goncalves, Bogdan Andrei Iancu (EUR), Flavio E Goncalves
Wydawnictwo:: Packt Publishing (Z chęcią przeczytam książkę w języku polskim)
Ocena:: Bądź pierwszym, który oceni tę książkę
Stron:: 324
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OpenSIPS is a multifunctional, multipurpose signalling SIP server. SIP (Session Initiation Protocol) is nowadays the most important VoIP protocol and OpenSIPS is the open source leader in VoIP platforms based on SIP. OpenSIPS is used to set up SIP Proxy servers. The purpose of these servers is to receive, examine, and classify SIP requests. The who
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Building Telephony Systems with OpenSIPS. Build high-speed and highly scalable telephony systems using OpenSIPS - Second Edition

Flavio E. Goncalves, Bogdan-Andrei Iancu

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125.10 zł ~~139.00 zł (-10%)~~

O autorze książki

Flavio E. Goncalves was born in 1966 in Brazil. Having a strong interest in computers, he got his first personal computer in 1983, and since then, it has been almost an addiction. He received his degree in engineering in 1989 with a focus on computer-aided designing and manufacturing.

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Szczegóły książki

Tytuł oryginału:: Building Telephony Systems with OpenSER. A step-by-step guide to building a high performance Telephony System
ISBN Ebooka:: 978-18-471-9374-2, 9781847193742
Data wydania ebooka :: 2008-04-25 Data wydania ebooka często jest dniem wprowadzenia tytułu do sprzedaży i może nie być równoznaczna z datą wydania książki papierowej. Dodatkowe informacje możesz znaleźć w darmowym fragmencie. Jeśli masz wątpliwości skontaktuj się z nami sklep@helion.pl.
Język publikacji:: angielski
Rozmiar pliku Pdf:: 8.1MB
Rozmiar pliku ePub:: 7.6MB
Rozmiar pliku Mobi:: 11.8MB

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Spis treści książki

Building Telephony Systems with OpenSER
- Table of Contents
- Building Telephony Systems with OpenSER
- Credits
- About the Author
- About the Reviewers
- Preface
  - What This Book Covers
  - What You Need for This Book
  - Who This Book Is For
  - Conventions
  - Reader Feedback
    - Customer Support
    - Downloading the Example Code for the Book
    - Errata
    - Questions
- 1. Introduction to SIP
  - SIP Basics
    - SIP Proxy in the Context of a VOIP Provider
    - SIP Operation Theory
    - SIP Registration Process
  - Server Operating as a SIP Proxy
  - Server Operating as a SIP Redirect
  - Basic Messages
    - SIP Dialog Flow
  - SIP Transactions and Dialogs
    - The RTP Protocol
      - Codecs
      - DTMF-Relay
      - Real Time Control Protocol (RTCP)
    - Session Description Protocol (SDP)
  - The SIP Protocol and the OSI Model
  - The VoIP Provider "Big Picture"
    - SIP Proxy
    - User, Administration, and Provisioning Portal
    - PSTN Gateway
    - Media Server
    - Media Proxy or RTP Proxy for Nat Traversal
    - RADIUS Accounting
    - CDRTool Rating
    - Monitoring Tools
  - Where You Can Find More Information
  - Summary
- 2. The SIP Express Router
  - Where Are We?
  - What is the SIP Express Router?
  - What Software to Use, SER or OpenSER?
  - Usage Scenarios
  - OpenSER Architecture
    - Core and Modules
    - Sections of the File openser.cfg
    - Sessions, Dialogs, and Transactions
    - openser.cfg Message Processing
  - SIP ProxyExpected Behavior
  - Stateful Operation
  - Differences between Strict Routing and Loose Routing
  - Understanding SIP and RTP
    - Summary
- 3. OpenSER Installation
  - Hardware Requirements
  - Software Requirements
  - LabInstalling Linux for OpenSER
  - Downloading and Installing OpenSER v1.2
  - LabRunning OpenSER at the Linux Boot
  - OpenSER v1.2 Directory Structure
    - Configuration Files (etc/openser)
    - Modules (/lib/openser/modules)
    - Binaries (/sbin)
  - Log Files
  - Startup Options
  - Summary
- 4. OpenSER Standard Configuration
  - Where Are We?
  - Analyzing the Standard Configuration
  - Using the Standard Configuration
  - Routing Basics
    - Transactions and Dialogs
    - Initial and Sequential Requests
    - Routing in a Context of a Transaction
    - Routing in the Context of a Dialog
    - LabTracking a Complete Dialog
    - LabRunning Stateless
    - LabDisabling record-route
  - Summary
- 5. Adding Authentication with MySQL
  - Where Are We?
  - The AUTH_DB Module
  - The REGISTER Authentication Sequence
    - Register Sequence (Packets Captured by ngrep)
    - Register Sequence Code Snippet
    - The INVITE Authentication Sequence
      - INVITE Sequence Packet Capture
    - Digest Authentication
      - WWW-Authenticate Response Header
      - The Authorization Request Header
      - QOPQuality of Protection
    - Installing MySQL Support
    - openser.cfg File Analysis
  - The Openserctl Shell Script
    - Openserctl Resource File
      - Openserctlrc File
    - Using OpenSER with Authentication
    - Enhancing the Script
      - Managing Multiple Domains
      - Alternative Routes
        
        Register Requests (route[2])
        
        Non-Register Requests (route[3])
        
        Managing Calls Coming from Our Domain
        
        Inbound-to-Inboundroute[10]
        
        Inbound-to-Outboundroute[11]
        
        Outbound-to-Inboundroute[12]
        
        Outbound-to-Outboundroute[13]
  - The Functions check_to() and check_from()
  - Using Aliases
  - Handling CANCEL requests and retransmissions
  - Full Script with All the Resources Above
  - LabEnhancing the Security
  - LabUsing Aliases
  - Summary
- 6. Building the User Portal with SerMyAdmin
  - SerMyAdmin
    - LabInstalling SerMyAdmin
  - Basic Tasks
    - Registering a New User
    - Approving a New User
    - User Management
    - Domain Management
    - Interface Customization
  - Summary
- 7. Connectivity to the PSTN
  - Where Are We?
    - Requests Sent to the Gateway
    - Requests Coming From the Gateway
    - openser.cfg Inspection
  - LabUsing Asterisk as a PSTN Gateway
    - Asterisk Gateway (sip.conf)
    - Cisco 2601 Gateway
  - Using LCR (Least Cost Routes)
    - The LCR Module
      - Configuration Diagram
    - VoIP Provider Dial Plan
    - The LCR Table
    - The Gateways Table
      - The Gateway Groups Table
    - Adding, Removing, and Showing LCR and Gateways
    - Openserctl LCR-Related Commands.
      - Notes:
      - Examples:
    - LabUsing the LCR Feature
      - lcr Gateway Groups
      - lcr Gateways
      - lcr Routes
  - Securing re-INVITES
  - Blacklists and "473/Filtered Destination" messages
  - Summary
- 8. Call Forward and Voice Mail
  - Call Forwarding
    - Pseudo-Variables
    - AVP (Attribute-Value Pair) Overview
      - AVPOPS Module Loading and Parameters
    - Implementing Blind Call Forwarding
      - LabImplementing Blind Call Forwarding
  - Implementing Call Forward on Busy or nanswered
  - Inspecting the Configuration File
  - LabTesting the Call Forward Feature
    - Summary
- 9. SIP NAT Traversal
  - NAT Types
    - Full Cone
    - Restricted Cone
    - Port Restricted Cone
    - Symmetric
    - NAT Firewall Table
  - Solving the SIP NAT Traversal Challenge
    - Implementing a Far-End NAT Solution
      - RFC3581 and the force_rport() Function
      - Solving the Traversal of RTP Packets
  - Handling REGISTER Requests behind NAT
    - Determining if the Client is behind NAT
  - Handling INVITE Messages behind NAT
  - Handling the Responses
  - MediaProxy Installation and Configuration
    - Installing MediaProxy
  - openser.cfg Analysis
    - Modules Loading
    - Modules Parameters
    - Register Message Processing
    - Invite Message Processing
    - BYE and CANCEL Message Processing
    - RE-INVITE Message Handling
    - Reply Message Handling
    - Routing Script
  - Invite Diagram
    - Packet Sequence
  - Lab Using MediaProxy for NAT Traversal
    - Implementing a Near-End NAT Solution
      - Why STUN Does Not Work with Symmetric NAT Devices
      - Comparing STUN with TURN (Media Relay Server)
      - ALGApplication Layer Gateways
      - ICE (Interactive Connection Establishment)
    - Summary
- 10. OpenSER Accounting and Billing
  - Objectives
  - Where Are We?
    - VoIP Provider Architecture
    - Accounting Configuration
    - LABAccounting using MySQL
    - openser.cfg Analysis
    - Accounting using RADIUS
  - Installation of FreeRADIUS and CDRTool
    - Packages and Dependencies
    - Create and Configure the Database for the Radius server
    - Configuration of the FreeRADIUS Server
    - Configure the RADIUS Client (radiusclient-ng)
    - Configure OpenSER
    - Test the Configuration after Making a Call
  - Using CDRTool for Rating
    - LABCDRTool Installation
    - LABUsing CDRTool
  - CDRTool Architecture
  - How CDRTool Rates a Call
    - LabCreating and Applying a Rating Plan
  - Summary
- 11. Troubleshooting Tools
  - Objectives
    - Where Are We?
  - Built-in Tools
  - Packet Capture and Trace Tools
    - TShark, Wireshark
    - SipTrace
    - Stress Testing Tools
      - Sipsak
      - SIPp
      - Installing SIPp
      - Stress TestThe SIP Signaling
      - Stress TestThe RTP Signaling
      - Testing MediaProxy
    - Monitoring Tools
  - Summary
- 12. After Words
  - What's New in Version 1.2.3
    - Cancel Handling
    - Blacklist is Disabled by Default
    - Method Filtering
    - Alias_DB
    - Branch_route
  - Migration from 1.2.2 to 1.2.3 and 1.3.1
  - Migrating the Script from Chapter 10 to openser 1.3.1
  - RTPProxy
    - LabInstalling RTPProxy
  - Areas for Further Investigation
    - Carrier Route
    - Dialog
    - SIP Session Timers
  - SIP Peering
  - TLS Transport Layer Security
  - Development
    - PERL
    - WeSIP
  - Common Mistakes
    - Daemon Does Not Start
    - Client Unable to Register
    - Sending a Call to a Provider with Authentication
    - Typos in the Configuration File
    - The Last Tip
  - Forum and Training
  - Summary
- Index

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Building Telephony Systems with OpenSER. A step-by-step guide to building a high performance Telephony System Flavio E. Goncalves, Bogdan Andrei Iancu (EUR), Flavio E Goncalves

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