Posted by: Mudassir Ali | July 1, 2011

All About Asterisk

I am trying to compile ‘All About Open source PBX’ document, will post it shortly.


Asterisk is a software implementation of a telephone private branch exchange (PBX); it was created in 1999 by Mark Spencer of Digium. Like any PBX, it allows attached telephones to make calls to one another, and to connect to other telephone services including the public switched telephone network (PSTN) and Voice over Internet Protocol (VoIP) services. Its name comes from the asterisk symbol, “*”.

Asterisk is released under a dual license model, using the GNU General Public License (GPL) as a free software license and a proprietary software license to permit licensees to distribute proprietary, unpublished system components.

Originally designed for Linux, Asterisk now also runs on a variety of different operating systems including NetBSD, OpenBSD, FreeBSD, Mac OS X, and Solaris. A port to Microsoft Windows is known as AsteriskWin32.[1]

Download Asterisk
The Asterisk Book
Introductory Webinar
Asterisk Videos
Asterisk Security Webinar
Asterisk Tutorials (Installing on CentOS and other great stuff)


Asterisk 1.8 Documentation
Asterisk 1.10 Documentation
Asterisk Packages

Asterisk Video Resources

Asterisk Part 1 – Installing Asterisk 1.4

Asterisk Part 2 – Running Asterisk 1.4″
Asterisk Part 3 – Using Extensions with Asterisk 1.4″
Asterisk Part 4 – Using Contexts and Dial Plans”
Asterisk Part 5 – More Contexts and Dial Plans”
Asterisk Part 6 – Using Softphones”
AstriCon 2010 Keynote: The Future Of Open Source Communications
Asterisk Security Best Practices – 1 of 4  
Asterisk Security Best Practices – 2 of 4″
Asterisk Security Best Practices – 3 of 4″
Asterisk Security Best Practices – 4 of 4″
Asterisk Tech Tips: Analog Telephony”
Getting Started With Asterisk: Systm Episode 5″
Asterisk 1.6 – Asterisk Tag 2008″
Dial Plans For Dummies “
VoIP Fraud: Current Threats From A Law Enforcement Perspective
Special Agent Michael McAndrews, FBI
VoIP Security Best Practices
Dan York, Chairman, Best Practices Group, VoIP Security Alliance
Securing Asterisk Systems
Jared Smith, Training Manager, Digium
Switchvox & Security
Tristan Degenhardt, Switchvox Product Marketing Director, Digium
Asterisk VoIP Security – Part 1 of 4
Asterisk VoIP Security – Part 2 of 4
Asterisk VoIP Security – Part 3 of 4
Asterisk VoIP Security – Part 4 of 4


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