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Freeswitch 1.6 Cookbook

By : Anthony Minessale II, Giovanni Maruzzelli

5 (3)

Freeswitch 1.6 Cookbook

5 (3)

By: Anthony Minessale II, Giovanni Maruzzelli

Overview of this book

FreeSWITCH 1.6 Cookbook is written for anyone who wants to learn more about using FreeSWITCH in production. The information is presented in such a way that you can get up and running quickly. The cookbook approach eschews much of the foundational concepts, and instead focuses on discrete examples that illustrate specific features. If you need to implement a particular feature as quickly as possible, then this book is for you.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Conventions

Reader feedback

Customer support

Free Chapter

1. Routing Calls

1. Routing Calls

Introduction

Internal calls

Incoming DID (also known as DDI) 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 SIP To: headers on registered endpoints to reflect DID numbers

2. Connecting Telephones and Service Providers

2. Connecting Telephones and Service Providers

Introduction

Configuring an SIP phone to register with FreeSWITCH

Connecting to Skype

Configuring an SIP gateway

Codec configuration

3. Processing Call Detail Records

3. 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

Directly inputting CDRs into various databases in real time

4. External Control

4. 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

5. PBX Functionality

5. PBX Functionality

Introduction

Creating users

Accessing voicemail

The 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

Recording calls

6. WebRTC and Mod_Verto

6. WebRTC and Mod_Verto

Introduction

Configuring FreeSWITCH for WebRTC

SIP signaling in JavaScript with SIP.js (WebRTC client)

Verto installation and setup

Verto signaling in JavaScript using Verto.js (Verto client)

7. Dialplan Scripting with Lua

7. Dialplan Scripting with Lua

Introduction

Creating a basic Lua script

User interaction and DTMF gathering

Using conditionals, loops, web calls, and regular expressions

Connecting to an external database

Index

Index

Customer Reviews

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Configuring an SIP gateway

Configuring an SIP gateway allows you to connect with outside carriers or other SIP machines. You can connect with other FreeSWITCH or Asterisk boxes, or upstream carrier SIP trunks.

SIP gateways have many, many options—too many to list here; so, we'll review just a few.

Getting ready

First, you'll need to gather some information about the remote server to which you want to connect. The list generally includes the following:

The IP address (or hostname) and a port (the standard port is 5060) of the server that to which you are being connected
The username and password (if any)
How the carrier/gateway expects Caller ID to be handled (which SIP header the Caller ID should be placed in)
Whether registration is required

You'll also need to know the phone number format that your carrier expects when you send calls to them, and in which format they'll send calls to you.

Finally, you'll need to decide which of your existing SIP profiles you want...

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