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FreeSWITCH Cookbook

FreeSWITCH Cookbook

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FreeSWITCH Cookbook

FreeSWITCH Cookbook

4.5 (8)
Buy this Book

Overview of this book

FreeSWITCH is an open source telephony platform designed to facilitate the creation of voice, chat, and video applications. It can scale from a soft-phone to a PBX and even up to an enterprise-class softswitch.In the FreeSWITCH Cookbook, members of the FreeSWITCH development team share some of their hard-earned knowledge with you in the book's recipes. Use this knowledge to improve and expand your FreeSWITCH installations.The FreeSWITCH Cookbook is an essential addition to any VoIP administrator's library.The book starts with recipes on how to handle call routing and then discusses connecting your FreeSWITCH server to the outside world.It then teaches you more advanced topics like CDR handling, practical examples of controlling FreeSWITCH with the event socket, and configuring many features commonly associated with a PBX installation.
Table of Contents (12 chapters)
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FreeSWITCH Cookbook
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FreeSWITCH Cookbook
Credits
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Credits
About the Authors
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About the Authors
About the Reviewers
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About the Reviewers
www.PacktPub.com
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www.PacktPub.com
Preface
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Preface
Lock Free Chapter
1
Routing Calls
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Routing Calls
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Introduction
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Internal calls
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Incoming DID calls
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Outgoing calls
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Ringing multiple endpoints simultaneously
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Ringing multiple endpoints sequentially (simple failover)
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Advanced multiple endpoint calling with enterprise originate
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Time of day routing
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Manipulating To: headers on registered endpoints to reflect DID numbers
2
Connecting Telephones and Service Providers
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Connecting Telephones and Service Providers
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Introduction
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Configuring a SIP phone to register with FreeSWITCH
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Connecting audio devices with PortAudio
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Using FreeSWITCH as a softphone
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Configuring a SIP gateway
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Configuring Google Voice
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Codec configuration
3
Processing Call Detail Records
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Processing Call Detail Records
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Introduction
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Using CSV CDRs
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Using XML CDRs
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Inserting CDRs into a backend database
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Using a web server to handle XML CDRs
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Using the event socket to handle CDRs
4
External Control
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External Control
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Introduction
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Getting familiar with the fs_cli interface
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Setting up the event socket library
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Establishing an inbound event socket connection
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Establishing an outbound event socket connection
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Using fs_ivrd to manage outbound connections
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Filtering events
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Launching a call with an inbound event socket connection
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Using the ESL connection object for call control
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Using the built-in web interface
5
PBX Functionality
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PBX Functionality
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Introduction
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Creating users
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Accessing voicemail
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Company directory
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Using phrase macros to build sound prompts
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Creating XML IVR menus
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Music on hold
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Creating conferences
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Sending faxes
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Receiving faxes
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Basic text-to-speech with mod_flite
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Advanced text-to-speech with mod_tts_commandline
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Listening to live calls with telecast
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Recording calls
1
Index
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Index

Connecting audio devices with PortAudio

Many of us have a USB headset or a sound card in our laptops or desktop computers. In most cases, FreeSWITCH can utilize these audio devices. Usually this is done for basic troubleshooting or to feed an external audio source into FreeSWITCH. It is also handy when you wish to use FreeSWITCH as a softphone, which is demonstrated later in this chapter.

Getting ready

The mod_portaudio module is already compiled for Windows users when using the Visual Studio 2008/2010 solution files with the FreeSWITCH source code. Linux and Mac OSX users will need to enable mod_portaudio in their FreeSWITCH installation. Follow these steps:

  1. Open modules.conf in the FreeSWITCH source directory and remove the comment on the #endpoints/portaudio line. Save the file and exit.

  2. Compile mod_portaudio using the following command:

    make mod_portaudio-install

  3. If you want to have mod_portaudio load automatically each time you start FreeSWITCH then edit conf/autoload_configs/modules...

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Programming languages
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FreeSWITCH Cookbook
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