AsteriskNOW

A practical guide for deploying and managing an Asterisk-based telephony system using the AsteriskNOW Beta 6 software appliance

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AsteriskNOW

Nir Simionovich

March 2008

A practical guide for deploying and managing an Asterisk-based telephony system using the AsteriskNOW Beta 6 software appliance

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Book Details

ISBN 139781847192882

Paperback204 pages

Book Description

Chapter 1: An Introduction to Telephony and Asterisk

The Basics of Traditional Telephony

The Basics of Voice over IP (VoIP) Technology

Asterisk—The Open-Source PBX

AsteriskNOW—The Asterisk Software Appliance

Summary

Chapter 2: Building a PBX

Objective—Building an Office PBX

Summary

Chapter 3: Extensions, Phones, and Others

An IP Phone is a Simplified Computer

AsteriskNOW Extension Management GUI

The LinkSys 941

CounterPath X-Lite—The Worlds Most Popular Soft Phone

Summary

Chapter 4: Service Providers—Your Connection to the World

VoIP Carriers

PSTN Carriers—Traditional Telephony Providers

Configuring an IP Termination Service Provider

Summary

Chapter 5: Tentacles of the PBX—The Calling Rules Tables

Managing Routing Rules with AsteriskNOW

Manually Editing Dial-Plan Logic

Summary

Chapter 6: "Let me in!"—Inbound Call Routing

Inbound DID Routing versus Analog Physical Routing

Inbound Routing via DID Numbers

Inbound Routing via Physical Ports

Inbound Call Routing with AsteriskNOW

Inbound Call Routing in extensions.conf

Summary

Chapter 7: "For Annoyance, Press 1"—Voice Menus and IVR

Four Rules of IVR

Voice Menus—AsteriskNOW's IVR Generator

Summary

Chapter 8: Voicemail, Conferencing, and Parking—Advanced PBX Services

Comedian Mail—The Asterisk Voicemail System

MeetMe Conferencing

Call Parking

Summary

Chapter 9: "Please hold, we'll be with you shortly"—Simple Call Queues

Queue General Options

Queue Options

Utilizing Call Queues

Summary

Chapter 10: General AsteriskNOW Management—Monitoring, Backups, and More

AsteriskNOW General Options

AsteriskNOW Backup

Asterisk Logs

AsteriskNOW System Info

AsteriskNOW Active Channels

AsteriskNOW Graphs

Summary

Chapter 11: Hard Core AsteriskNOW

AsteriskNOW Advanced Options

Gaining Root Access to Your AsteriskNOW via SSH

The Asterisk Command-Line Interface (CLI)

The Asterisk Dial-Plan Language (extensions.conf)

The Asterisk Configuration Directory

Summary

Chapter 12: Where to from Here?

Beyond the Dial Plan—Asterisk Gateway Interface (AGI)

Asterisk Manager Interface (AMI)

Asynchronous JavaScript Asterisk Manager (AJAM)

Ideas and Mesh-ups

DUNDi—Distributed Universal Number Discovery

Summary

What You Will Learn

The basic components of an AsteriskNOW telephony system
Installing AsteriskNOW
Building an office PBX using AsteriskNOW
Using the AsteriskNOW web GUI interface
Configuring an IP soft phone: CounterPath X-Lite
Configuring an IP hard phone: LinkSys 941
Configuring an IP adapter
Configuring a connection for an IAX2 DID provider
How to plan the routing logic of your PBX
How to record your system announcements
Building a menu using the GUI wizard
Configuring and using conference rooms with the conferencing system
Writing your own applications for Asterisk with the Asterisk Gateway Interface

Authors

Nir Simionovich

Nir Simionovich has been involved with the Open Source community in Israel since 1997. His involvement with the Open Source community started back in 1997, when he was a student in the Technion—Israel’s Technology Institute—in Haifa. Nir quickly became involved in organizing Open Source venues and events, promoting the usage of Linux and Open Source technologies in Israel.

In 1998, Nir started working for an IT consulting company (artNET experts Ltd), where he began to introduce Linux-based solutions for enterprises and banks. By the year 2000, Nir had become a SAIR/GNU certified Linux trainer and administrator, slowly educating the future generations of Linux admins.

In 2001, Nir moved to the cellular content market, working for a mobile content delivery company (m-Wise Inc.—OTC.BB: MWIS.OB). During his commission at m-Wise, Nir successfully migrated a company that was built purely on Windows 2000 and ColdFusion to open source technologies, such as Mandrake Linux (today Mandriva), Apache Tomcat, and Kannel (open source SMS/WAP gateway).

Coming to 2006, Nir had co-founded Atelis (Atelis PLC—AIM: ATEL). Atelis is a Digium distributor and integrator. During the course of 2006, Nir developed an Asterisk-based international operator services platform for Bezeq International, which replaced a Nortel DMS-300 switch. This platform is currently in use by Bezeq International in Israel, serving over 4000 customer a day.

In mid 2007, Nir left Atelis to become a freelance Asterisk promoter and consultant. Nir is currently providing Asterisk consulting and development services for various companies, ranging from early-stage start-up companies, through VoIP service providers and VoIP equipment vendors. In his spare time, Nir is the founder of the Israeli Asterisk users group, the website maintainer of the group, and an Asterisk developer, dealing mainly with the localization aspects of Asterisk to Israel.

Coming to 2008, Nir's company (Greenfield Technologies Ltd) won the Digium Innovation award at AstriCon 2008, in the pioneer division—for its implementation of a phone-based prayer system, allowing people from around the world to pray at the western wall in Jerusalem.

Chapter 1: An Introduction to Telephony and Asterisk

The Basics of Traditional Telephony

The Basics of Voice over IP (VoIP) Technology

Asterisk—The Open-Source PBX

AsteriskNOW—The Asterisk Software Appliance

Summary

Chapter 2: Building a PBX

Objective—Building an Office PBX

Summary

Chapter 3: Extensions, Phones, and Others

An IP Phone is a Simplified Computer

AsteriskNOW Extension Management GUI