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An Open Source VoIP Primer
Danny WindhamCEO
Digium, Inc
“The Answer is Open”
Industry Trend
Open source software disrupts
proprietary alternatives
“The Answer is Open”
Digium, “The Answer is Open”
Open Source Software
• Open source software is computer software for which the human-
readable source code is made available under a copyright license (or arrangement such as the public domain) that meets the Open Source Definition. This permits users to use, change, and improve the software, and to redistribute it in modified or unmodified form. It is often developed in a public, collaborative manner.
Wikipedia
Function/ApplicationOpen Source
Solution
Operating System Linux
Web Server Apache
Browser Firefox
Telephony/Communications Asterisk
Database MySQL
Customer Relationship Management SugarCRM
Backup Zmanda
Productivity Suite Zimbra
Instant Messaging GAIM/Pidgen
“The Answer is Open”
Digium, “The Answer is Open”
Community Development• Open Source development allows individuals to contribute to any project
that interests them• Contributions can include both software development and testing• These contributors become the project’s “community”
“People just self select to do projects where they have expertise and interest”
– Linus Torvalds, The Originator of Linux
Digium, “The Answer is Open”
Open Source vs. Proprietary(from Bruce Guptill, Saugatuck Technology)
• Disruptive Elements – An ability to customize and use the software
code to whatever extent required and useful– Reduced dependence upon software vendor
technologies, license schemes, and maintenance/support requirements
– Enables low cost commercial offerings based upon open source software
Digium, “The Answer is Open”
Mass Collaboration - Wikinomics
Don Tapscott – CEO, New ParadigmAuthor of:Paradigm ShiftGrowing Up DigitalThe Naked Corporation
Wikinomics:How Mass Collaboration Changes Everything
"Wikinomics captures and explains the essential nature of the next generation of the Internet -- how collaboration and communication technologies are democratizing the
creation of value. An insightful, engaging and very important book."- John Chambers, Cisco Systems - President and CEO
Digium, “The Answer is Open”
Collaboration Solution
• Wikipedia• Collaboratively created Encyclopedia• Owned by no one• Over 10,000 authors• 4 million articles• 200 languages• 10 times the content of Britannica• 5 employees as of the end of 06
Digium, “The Answer is Open”
Are you an Open Source User?
• TIVO
• BMW
• Motorola Razr
• Vonage
Digium, “The Answer is Open”
Open Source Trends
Source: Savatar
Digium, “The Answer is Open”
The Market: Open Source
• Stand Alone Open Source Market will reach $5.8B by 2010/2011 (26% CAGR)1
• More than 10,000,000 new downloads of some version of open source software in 2008
1. IDC
Industry Trend
Telephony becomes IP Telephony
“The Answer is Open”
Digium, “The Answer is Open”
IP Telephony Adoption
• IP PBX market will reach $7.9B by 2010 (21% CAGR)2
• 2010 IP PBX adoption will still be less than 50%
• By 2009, IP line shipments will pass TDM shipments3
• Growth in IP Telephony (IPT) systems dominates PBX market segment3
• 19% CAGR2. Gartner Group3. TEQConsult Group
What is Asterisk?
“The Answer is Open”
Digium, “The Answer is Open”
What is Asterisk ?
Asterisk is the worlds most popular open source VOIP development platform that empowers users to develop customizable and personalized feature rich applications.
Digium, “The Answer is Open”
Where Asterisk Fits
Digium, “The Answer is Open”
Asterisk: the Open Source Project
• Over 1,000,000 downloads in 2007
• Over 3.5 million servers deployed with Asterisk
• Over 64,363 active on forums (2/29/08)
• Over 15,000 on active Asterisk mailing lists
• Over 5,000 on our Bug Tracker
• Over 300 active contributors
• Over 7M web site hits/month
• Over 200 service providers worldwide using Asterisk
• Dedicated Tradeshows:
AstriCon for Asterisk Developers and Users;
Digium Asterisk World (at VON) – Asterisk for businessThe AsteriskCommunity
The Asterisk Community was voted #1 Most Influential Individual in VoIP, VoIP Info 11/2006
• How does an open source company make money?
“The Answer is Open”
Digium, “The Answer is Open”
OSS Business Models
• Services model– Red Hat
• Dual Licensing model– Digium– MySQL
• Feature Differentiation model– Zimbra
• Ancillary products model– Many
Who is Digium?
“The Answer is Open”
Digium – the Company
• The creator, sponsor, and maintainer of the Asterisk Open Source Project
• The company that’s at the intersection of Open Source and IP Telephony
• Supplier of ‘All Things Asterisk’• Mark Spencer – The Asterisk Creator
Digium Founder and CTO-
“The Answer is Open”
Digium, “The Answer is Open”
Digium’s Corporate Roles
Digium
Benevolent Asterisk Project Sponsor and
Maintainer
For Profit Company
All things Asterisk
Digium, “The Answer is Open”
Digium Product Relationships
Thank you
www.digium.comwww.switchvox.comwww.asterisknow.org
www.asterisk.org
www.astricon.netwww.digiumasteriskworld.com
“The Answer is Open”
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