PBX Functionality | FreeSWITCH Cookbook

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FreeSWITCH Cookbook

4.5 (8)

FreeSWITCH Cookbook

4.5 (8)

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.

FreeSWITCH Cookbook

FreeSWITCH Cookbook

Credits

Credits

About the Authors

About the Authors

About the Reviewers

About the Reviewers

www.PacktPub.com

www.PacktPub.com

Preface

Preface

Free Chapter

Routing Calls

Routing Calls

Introduction

Internal calls

Incoming DID calls

Outgoing calls

Ringing multiple endpoints simultaneously

Ringing multiple endpoints sequentially (simple failover)

Advanced multiple endpoint calling with enterprise originate

Time of day routing

Manipulating To: headers on registered endpoints to reflect DID numbers

Connecting Telephones and Service Providers

Connecting Telephones and Service Providers

Introduction

Configuring a SIP phone to register with FreeSWITCH

Connecting audio devices with PortAudio

Using FreeSWITCH as a softphone

Configuring a SIP gateway

Configuring Google Voice

Codec configuration

Processing Call Detail Records

Processing Call Detail Records

Introduction

Using CSV CDRs

Using XML CDRs

Inserting CDRs into a backend database

Using a web server to handle XML CDRs

Using the event socket to handle CDRs

External Control

External Control

Introduction

Getting familiar with the fs_cli interface

Setting up the event socket library

Establishing an inbound event socket connection

Establishing an outbound event socket connection

Using fs_ivrd to manage outbound connections

Filtering events

Launching a call with an inbound event socket connection

Using the ESL connection object for call control

Using the built-in web interface

PBX Functionality

PBX Functionality

Introduction

Creating users

Accessing voicemail

Company directory

Using phrase macros to build sound prompts

Creating XML IVR menus

Music on hold

Creating conferences

Sending faxes

Receiving faxes

Basic text-to-speech with mod_flite

Advanced text-to-speech with mod_tts_commandline

Listening to live calls with telecast

Recording calls

Index

Index

Creating users

Each FreeSWITCH system has a directory of users. In most cases a user is the literal person who has a telephone. When we say that we are "adding a user" we mean that we are creating a user account in the directory of users. Each "user" has the SIP credentials for making outbound calls as well as a PIN number for accessing voicemail. In fact, you cannot have a voicemail box without having a corresponding user account.

Getting ready

At a minimum you will need a terminal window to issue commands to your system. To use the add_user script your system will need to have Perl installed.

How to do it...

There are two basic steps for creating a user. The steps are as follows:

Adding the user to the directory.
Adding the corresponding extension number to the dialplan.

Let's assume we have a fresh installation of FreeSWITCH, which means we have user ID's 1000 through 1019 (the Local_Extension in conf/dialplan/default.xml is set to route calls to those ID's).

Let's add a new user with these...

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Tech Concepts

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Programming languages

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