FreeSWITCH 1.2. Whether you're an IT pro or an enthusiast, setting up your own fully-featured telephony system is an exciting challenge, made all the more realistic for beginners by this brilliant book on FreeSWITCH. A 100% practical tutorial. - Second Edition

Spis treści książki

• FreeSWITCH 1.2
  • Table of Contents
  • FreeSWITCH 1.2
  • Credits
  • About the Authors
  • About the Reviewers
  • www.PacktPub.com
    • Support files, eBooks, discount offers, and more
      • Why Subscribe?
      • Free Access for Packt Publishing account holders
  • 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
      • Errata
      • Piracy
      • Questions
  • 1. Architecture of FreeSWITCH
    • A revolution has begun and secrets have been revealed
    • The FreeSWITCH design modular, scalable, and stable
    • Important modules Endpoint and Dialplan
    • Complex applications made simple
      • Voicemail
      • Multi-party conferencing
      • The FreeSWITCH API (FSAPI)
      • The XML registry
      • Language modules
      • The demonstration configuration
    • Summary
  • 2. Building and Installation
    • Setting up the FreeSWITCH environment
      • Operating system
    • Operating system prerequisites
      • Linux/Unix
      • Mac OS X
      • Windows
    • Text editors and XML
    • Downloading the source
    • Building from the latest code
    • Compiling FreeSWITCH for Linux/Unix/Mac OS X
      • Compiling FreeSWITCH
        • Step 1 edit modules.conf
        • Step 2 run the configure script
        • Step 3 run the make and make install utilities
        • Step 4 edit modules.conf.xml
        • Step 5 install sound and music files
    • Compiling FreeSWITCH for Windows
      • Important considerations for Windows users
      • Building the solution with MSVC/MSVCEE
    • Starting FreeSWITCH
    • Running FreeSWITCH in the background
    • Summary
  • 3. Test Driving the Example Configuration
    • Important concepts to understand
    • Putting FreeSWITCH to work
      • Controlling FreeSWITCH with the CLI
    • Configuring a SIP phone to work with FreeSWITCH
      • SIP settings
      • X-Lite soft phone
      • Hard phones
        • Aastra phones
        • Polycom phones
        • Snom phones
    • Testing the example Dialplan
      • Test calls for a single phone
        • The Tetris extension
        • Echo test
        • Music on hold
        • Demonstration IVR
        • The information application
      • Test calls for two or more phones
        • Calling another telephone
        • Parking a call
        • Calling a conference
      • Example Dialplan quick reference
    • Summary
  • 4. SIP and the User Directory
    • Understanding the FreeSWITCH user directory
    • Working with the FreeSWITCH user directory
    • User features
    • Adding a user
    • Testing voicemail
    • Groups of users
    • Connecting to the world with gateways
      • Setting up a new gateway
      • Making calls
      • Receiving calls
      • Making calls without a gateway
    • SIP profiles and user agents
    • Summary
  • 5. Understanding the XML Dialplan
    • FreeSWITCH XML Dialplan elements
    • Contexts
      • Default
      • Public
      • Features
    • Extensions
      • Conditions
    • Call legs and channel variables
    • Accessing channel variables
    • Regular expressions
    • Actions and anti-actions
    • How Dialplan processing works
    • Creating a new extension
    • Important Dialplan applications
      • bridge
      • playback
      • say
      • play_and_get_digits
      • ivr
      • sleep
      • answer
      • pre_answer
      • hangup
      • set
      • transfer
    • Dialstring formats
    • Summary
  • 6. Using XML IVRs and Phrase Macros
    • IVR engine overview
    • IVR XML configuration file
    • IVR engine overview
      • IVR menu definitions
        • greet-long
        • greet-short
        • invalid-sound
        • exit-sound
        • timeout
        • inter-digit-timeout
        • max-failures
        • max-timeouts
        • digit-len
        • tts-voice
        • tts-engine
        • confirm-key
        • confirm-macro
      • IVR menu destinations
        • menu-exec-app
        • menu-play-sound
        • menu-back
        • menu-top
      • Routing calls to your IVR
      • Nesting IVRs
    • Using phrases with IVRs
      • Calling Phrase Macros
      • Phrase Macro examples voicemail
    • Advanced routing
    • Summary
  • 7. Dialplan Scripting with Lua
    • Getting started with Lua
      • Running Lua scripts from the Dialplan
    • Basic Lua syntax
    • Building voice applications
      • A simple IVR interacting with the caller
      • Conditions and looping
      • Even more conditions and looping
    • Advanced IVR concepts
      • Connecting to a database with LuaSQL
      • Making a web call with curl
      • Lua patterns versus regular expressions
    • Scripting tips
    • Summary
  • 8. Advanced Dialplan Concepts
    • Dialplan overview
    • General Diaplan concepts
      • Contexts
      • Conditions
      • Actions
    • Putting it all together
    • XML Dialplan module review
      • Extensions
      • Conditions
      • Special condition variables
      • Inline execution
      • Actions and anti-actions
      • The regex operator
      • Nested conditions
    • Pitfalls to avoid
    • XML Dialplan applications
      • mod_dptools
      • mod_sofia
      • mod_commands
    • Utilizing variables
      • Testing variables with regular expressions
      • Caller profile fields
      • Channel variables
        • Channel variables and call setup
    • Global variables
    • Dialplan functions
      • Real-time condition evaluation
      • String conditioning
      • Database queries
      • SIP contact parameters
    • Set, export, and legs
      • Set versus export
    • Passing variables via call headers
    • XML Dialplan cookbook
      • Match by IP address and call a number
      • Match an IP address and Caller ID
      • Match a number and strip digits
      • Match a number, strip digits, and add a prefix
      • Call a registered device
      • Try party A, then party B
      • Route DIDs to extensions
      • Alternate outbound gateways
      • Multiple endpoints with enterprise originate
    • Summary
  • 9. Moving Beyond the Static XML Configuration
    • The mod_xml_curl basics
    • The mod_xml_curl Dialplan
    • The mod_xml_curl folder
    • The mod_xml_curl configuration
    • The mod_xml_curl summary
    • Generating configurations dynamically with language bindings
    • Making calls from the command line interface
    • Using ESL to execute commands
    • Summary
  • 10. Controlling FreeSWITCH Externally
    • General overview
    • Event system architecture
    • Event-based modules
      • mod_event_socket
        • Configuring event socket settings
        • Reading events
        • Minimum event information
    • Sending events
    • Events from the Dialplan
      • mod_event_multicast
    • FreeSWITCH event system commands
      • auth <password>
      • api
      • bgapi
      • event
      • noevents
      • divert_events
      • filter
      • filter delete
      • nixevents
      • sendevent
      • sendmsg <uuid>
      • execute
      • hangup
      • nomedia
      • log <level>
      • nolog
      • linger
      • nolinger
    • FreeSWITCH Console application
    • Event Socket Library
      • Supported libraries
      • ESLObject
        • eslSetLogLevel($loglevel)
      • ESLevent object
        • serialize([$format])
        • setPriority([$number])
        • getHeader($header_name)
        • getBody()
        • getType()
        • addBody($value)
        • addHeader($header_name, $value)
        • delHeader($header_name)
        • firstHeader()
        • nextHeader()
      • ESLconnection object
        • new($host, $port, $password)
        • new($fd)
        • socketDescriptor()
        • connected()
        • getInfo()
        • send($command)
        • sendRecv($command)
        • api($command[, $arguments])
        • bgapi($command[, $arguments])
        • sendEvent($send_me)
        • recvEvent()
        • recvEventTimed($milliseconds)
        • filter($header, $value)
        • events($event_type,$value)
        • execute($app[, $arg][, $uuid])
        • executeAsync($app[, $arg][, $uuid])
        • setAsyncExecute($value)
        • setEventLock($value)
        • disconnect()
    • Events in practice
      • Event Socket Library example running a command
      • Examples of sending events to FreeSWITCH
        • Setting phone lights
          • Turn lights on
          • Turn lights off
        • Rebooting a phone
        • Requesting phone reconfiguration
        • Custom notify messages
    • Summary
  • 11. Web-based Call Control with mod_httapi
    • HTTAPI syntax
      • Work actions
        • playback
        • vmname
        • record
        • pause
        • speak
        • say
        • execute
        • sms
        • dial
        • recordCall
        • conference
        • hangup
        • break
        • log
        • continue
        • getVar
        • voicemail
    • mod_httapi configuration file
      • Permissions
      • Exiting
      • Storing data across successive requests
      • Some parameters are missing from some requests
      • Making it easier
    • The demo IVR in HTTAPI
    • Summary
  • 12. Handling NAT
    • A brief introduction to NAT
      • Understanding the evolution of NAT
    • The four pitfalls of NAT
    • Demystifying NAT settings in FreeSWITCH
    • Making media flow
    • Advanced options and settings
    • FreeSWITCH on the client side
    • Other creative uses of FreeSWITCH in a NAT situation
    • Conclusion
    • Summary
  • 13. VoIP Security
    • Network level protection
      • Separating interfaces and restricting traffic
        • Sample setup simple
        • Sample setup complex
      • VLANs
      • Intrusion detection
      • Registration monitoring
        • Fail2Ban
          • Filter configurations
          • Jail configurations
          • Other considerations
      • Encryption
    • Protecting SIP signalling
      • Choosing between encryption options
        • Encryption with SSL
          • Setting Up SSLv2/3
        • Encryption with TLS
    • Protecting audio
      • Encryption with SRTP
        • Enabling SRTP
      • Encryption with ZRTP
    • Protecting passwords
      • Registration passwords
      • Voicemail passwords
    • Summary
  • 14. Advanced Features and Further Reading
    • Multi-user conferencing
      • Configuration
        • Conference profiles
        • Caller controls
      • Advertise
      • Sending and receiving XMPP events
      • Connecting callers to the conference
      • Controlling active conferences
    • Nibblebill
      • Use cases
        • Billing (pre-pay)
        • Billing (post-pay)
        • Pay-per-call service billing
        • Maximum credit and/or fraud prevention
      • Design goals
      • Installation and configuration
      • Database tables
      • Creating the database table for PostgreSQL
      • Creating the database table for MySQL
      • Billing a call
        • The nibble method (default)
        • An alternative to nibble billings
      • Examples
        • Different rates per user
        • Single rate for all users
        • Different rates per area code
        • Different rates per service delivery
        • Hang up the call when the balance is depleted
        • Application/CLI/API commands
          • Check
          • Flush
          • Pause
          • Resume
          • Reset
        • Adding and deducting funds
        • Enabling session heartbeat
        • Bill based on B Leg only
    • Alternative endpoints
      • Skype and GSM endpoints
        • Skype with mod_skypopen
      • GSM with mod_gsmopen
      • TDM with FreeTDM
    • Configuration tools and related projects
    • Web GUIs
      • FusionPBX
      • FreePyBX
      • blue.box
      • Kazoo
    • Supporting libraries
      • Liverpie (Ruby)
      • FreeSWITCHeR (Ruby)
      • Librevox (Ruby)
      • EventSocket (Python/Twisted)
      • FSSocket (Perl)
    • Vestec Automatic Speech Recognition
    • Summary
  • A. The FreeSWITCH Online Community
    • The FreeSWITCH mailing lists
    • Talking in real time via IRC
    • The FreeSWITCH main website and wiki
      • The main FreeSWITCH page www.freeswitch.org
      • The FreeSWITCH wiki page wiki.freeswitch.org
    • The annual ClueCon open source developer conference
  • B. Migrating from Asterisk to FreeSWITCH
    • Getting started
      • Starting and stopping Asterisk or FreeSWITCH
      • Basic debugging
        • Asterisk
        • FreeSWITCH
    • Configuration files
    • Two SIP phones
      • Asterisk configuration
      • FreeSWITCH configuration
      • Analysis
    • Voicemail
      • Asterisk
      • FreeSWITCH
      • Accessing voicemail
        • Asterisk
        • FreeSWITCH
    • Summary
  • C. The History of FreeSWITCH
    • Taking things to the next level
    • New ideas and a new project
    • The first ClueCon
    • Introducing FreeSWITCH
  • Index

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