asterisk in africa - a story of hope, encouragement and inspiration
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Asterisk in Africa:A story of Hope, Encouragement
and Inspiration!
David DuffettWorldwide Community Director, Asterisk
Twitter: @dduffett
• Background
• In Africa
• The Hope
• The Encouragement
• The Inspiration
• The Future
• The Challenge
Background
• Mark Spencer creates Asterisk in 1999– Started a Linux Support business
– Needed a phone system
– Did not like the options• Cost
• Vendor lock in
– Decided to create his own
– Made it Open Source
– Digium is born in 2002
Background
• Zapata Telephony project, Jim Dixon c.2000
– Saw that the advanced in generalpurpose CPUs meant that theywould be able to do thingspreviously done only byexpensive DSPs
– Created Open Source TelephonyHardware
– Used with Asterisk
Asterisk LEADS THE WAY
• Think back to early 2000s…
– The growth of Asterisk use
– The adoption of SIP
– NOT ENTIRELY UNRELATED
Asterisk History
20
08
–A
ste
risk 1
.6.0
20
09
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risk 1
.6.1
20
09
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.6.2
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.8
2011 –
Aste
risk 1
0
19
99
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risk 0
.1
20
04
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risk 1
.0
20
05
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.4
Vers
ion
Time
20
12
–A
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risk 1
1
20
13
–A
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risk 1
2
20
14
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3
Asterisk in Africa
• The Entrepreneurial Spirit
• A Strong Desire for Success
• Already making good use of LINUX
• Things began to gather momentum in 2002
Asterisk in Africa: AFDB
• 32 sites across the continent of Africa
• More than 2000 extensions
• 4 digit dialing on each site (with an issue)
• Asterisk deployed as a routing engine
The Gift of HOPE
• Bicycle Powered (and Solar Powered) Asterisk!
• Brings communicationsto remote communities
• Deployments includeWestern Uganda
The gift of INSPIRATION
• The Coal Mine - a heavily regulated environment
• Mission Critical – literally Life or Death!
Jakub Klausa, SS7 Technologies
Project Status Update: Asterisk 13
• LTS, Building on Asterisk 12 – which introduced
– New SIP stack – PJSIP
– New API – the ARI, or Asterisk RESTful Interface
– New BRIDGING model
The Web Evolution: 1996
The Olden Days:• Static Content• Low Resolution Images• Text-only versions of sites common
The Web Evolution: 2005
The Web 2.0 Era:• Server-Side Dynamic Content• Basic JavaScript Animations• Early AJAX & Comet• Everything skewed towards IE• Cool things done in Flash
The Web Evolution: 2015
The HTML 5 Era• JavaScript As A Platform• CSS3 Styling• 2D & 3D Imaging (Canvas / WebGL)• Native Audio & Video• Many Front / Back End Frameworks• Web API For Everything• SaaS / PaaS / IaaS• Flash Is Dead
WebSocket
• Client – Server Technology• Maintains a persistent connection• Bidirectional, full-duplex
connection• Perfect for doing call signaling
WebRTC
• Media Capture API• Microphone• Camera• Screen Video
• Peer-to-peer Networking API• Peer-to-peer Data API
Asterisk As Web Communications Server
• Support for WebRTC Since Asterisk 11
• First open source communications server with WebRTC
• Uses SIP over WebSockets
• Compatible with SIPjs and SIPML5 JavaScript Libraries
• Provides basic audio + video calling functionality
Communication moves to the Web
• Asterisk LEADS the field again!
• First Open Source communications platform to integrate support for WebRTC (Asterisk 11)
• JUST LIKE WE DID WITH SIP!
You can have everything in life you want, if you will just help enough other people get what they want.
Zig Ziglar
We have received so much.What can we give?
dduffett@digium.com
Twitter: @dduffett
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