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Introducing Asterisk 11
WebSockets, WebRTC and More
Steve Sokol
Asterisk Marketing & Evangelism
2
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
What is Asterisk?
§ Communications Engine
§ Open Source Project
§ 2+ Million Downloads Each Year
§ Over 1 Million Production Deployments
§ 85,000 Registered Community Members
§ Under Development Since 1999
3
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
What Does Asterisk Do?
§ Plumbing:
§ Protocol Implementations
§ Media I/O
§ Media Management
§ Applications
§ Call Routing (“Dialplan”)
§ Voicemail
§ Conference Bridge
§ Queues
§ Automated Attendant
§ Directory
§ Call Parking
§ Session Management
§ Intermediary Services
4
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
How Do You Use Asterisk?
§ As An Application Until Itself:
§ Hand-Crafted “One-Off” Implementations
§ Dialplan Script Programming + Configuration Files
§ PBX, VoIP Gateway, IVR, ACD, Etc.
§ As A Tool-Kit / Engine:
§ Use External Interfaces: AGI, AMI
§ “Wrap” Asterisk To Manage
§ Build Custom Applications & Solutions
§ Create Communications Products
5
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
Elastix and Asterisk
§ Asterisk = Communications Engine
§ VoIP and PSTN Connectivity
§ Session (Call) Management
§ Basic Applications
§ Elastix = PBX / Business Logic
§ Call Flow and Treatment
§ End User Features
§ Intuitive Admin Interface
§ Additional UC Modalities (IM, Email, Calendar, Etc.)
6
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
Asterisk Releases – 1.8 LTS
§ Asterisk 1.8 LTS
§ Released 2 Year Ago (AstriCon 2010)
§ Long Term Support (LTS)
§ Added:
§ Secure Calling (SRTP / SIP TLS)
§ IPv6 Support
§ Calendar Integration
§ XMPP Device State
§ Channel Event Logging
§ Google Voice / Chat / Talk Calling (Sort Of)
§ “ISDN” Features (AOC, CCSS, CPID)
7
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
Asterisk Releases - Asterisk 10
§ Asterisk 10
§ Released ~1 year ago (AstriCon 2011)
§ Standard Release (1 Year Lifespan)
§ Added:
§ HD Media Engine
§ New Codecs
§ ConfBridge HD Audio / Video conferencing
§ T.38 Gateway
§ Text Message Routing
8
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
Asterisk Releases – Certified Asterisk
§ Asterisk Release Policy 101
§ Mainline releases never get new features
§ Mainline releases contain everything
§ Mainline Asterisk Is Updated Frequently
§ About one new release each month
§ Good In Some Ways
§ Bugs get fixed quickly
§ Bad In Some Ways
§ Rapidly moving target
§ No new features
9
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
Asterisk Releases – Certified Asterisk
§ Certified Asterisk
§ Based on the most recent LTS release
§ Removes unsupportable modules
§ Undergoes additional testing process
§ Includes limited number of high-value new features
§ Updated quarterly
§ Still Free Software: Same GPLv2 License
10
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
Certified Asterisk
§ CERT1 Release
§ Based on 1.8 LTS
§ Back-ports SIP message routing from Asterisk 10
§ Adds additional APIs to Voicemail, Queues, Parking
§ Why?
§ Support For SLA Customers
§ Digium’s Asterisk Phones
11
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
Phones For Asterisk
§ Digium D40, D50, D70 – Built For Asterisk Systems
§ Super Simple Provisioning
§ Discovery via mDNS / Bonjour
§ Uses SIP channel
§ Integrated Applications:
§ Visual Voicemail
§ Visual Call Parking
§ Queue Management
§ Presence / Status
§ Call Deflection / Direct VM
12
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
Asterisk 11
§ LTS Release
§ 5 years of full support
§ 1 additional year of security support
§ Takes you to 2018
§ LTS = Stability NOT Features
§ Architectural-level bug fixes
§ Performance enhancements
§ Significant refactoring of existing features / functions
13
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
New In Asterisk 11
§ Chan_motif – Google / Jingle / XMPP Done Right
§ Combines chan_google and chan_jingle into a single driver
§ Uses completely refactored XMPP engine (res_xmpp)
§ More stable / less difficult to keep up with Google
§ WebSockets Support For SIP
§ SIP uses multiple transports: UDP, TCP, TLS now WS
§ New protocol used by web applications for bi-directional,
asynchronous communications
§ Integrated into onboard HTTP server in Asterisk
14
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
Why WebSockets?
§ WebRTC – A New Paradigm For Communications
§ Adds real-time communications to web browsers
§ Audio (Speakers / Microphone)
§ Video (Display / Camera)
§ Implements tools for media session management
§ NAT traversal (STUN, TURN, ICE)
§ Codecs (G.711, Opus)
§ Defines JavaScript APIs for media access, peer connection
§ Leaves the signaling protocol / process open to the application
developer
15
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
SIP + WebSockets + WebRTC
§ Adding WebSockets to Asterisk enables
§ SIP over WebSockets (available in Asterisk 11)
§ XMPP / Jingle over WebSockets (future version)
§ ??? Over WebSockets (as soon as you like)
§ Other WebRTC changes
§ Improved RTP / SRTP handling
§ ICE support
§ SDP improvements
16
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
This Is Revolutionary Stuff!
§ Instantly VoIP enabling every browser in the world
§ No software to install
§ Interoperability with existing VoIP technologies using RTP
§ SIP
§ Open standards: anyone can play
§ True unified communications
§ Voice + Video Calling
§ Screen Sharing
§ Conferencing
17
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
Next Up: Asterisk 12
§ Asterisk is 13 years old
§ Asterisk has some architectural issues that need addressing
§ Asterisk has a very, very large installed base of users
§ How to make improvements without breaking things
§ Help us define the next release:
§ Join us at AstriDevCon: October 22, 2012 in Atlanta
§ One day prior to AstriCon
18
Creative Innovation – Customer Satisfaction – Continual Quality Improvement
Thanks!

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Asterisk Update

  • 1. Introducing Asterisk 11 WebSockets, WebRTC and More Steve Sokol Asterisk Marketing & Evangelism
  • 2. 2 Creative Innovation – Customer Satisfaction – Continual Quality Improvement What is Asterisk? § Communications Engine § Open Source Project § 2+ Million Downloads Each Year § Over 1 Million Production Deployments § 85,000 Registered Community Members § Under Development Since 1999
  • 3. 3 Creative Innovation – Customer Satisfaction – Continual Quality Improvement What Does Asterisk Do? § Plumbing: § Protocol Implementations § Media I/O § Media Management § Applications § Call Routing (“Dialplan”) § Voicemail § Conference Bridge § Queues § Automated Attendant § Directory § Call Parking § Session Management § Intermediary Services
  • 4. 4 Creative Innovation – Customer Satisfaction – Continual Quality Improvement How Do You Use Asterisk? § As An Application Until Itself: § Hand-Crafted “One-Off” Implementations § Dialplan Script Programming + Configuration Files § PBX, VoIP Gateway, IVR, ACD, Etc. § As A Tool-Kit / Engine: § Use External Interfaces: AGI, AMI § “Wrap” Asterisk To Manage § Build Custom Applications & Solutions § Create Communications Products
  • 5. 5 Creative Innovation – Customer Satisfaction – Continual Quality Improvement Elastix and Asterisk § Asterisk = Communications Engine § VoIP and PSTN Connectivity § Session (Call) Management § Basic Applications § Elastix = PBX / Business Logic § Call Flow and Treatment § End User Features § Intuitive Admin Interface § Additional UC Modalities (IM, Email, Calendar, Etc.)
  • 6. 6 Creative Innovation – Customer Satisfaction – Continual Quality Improvement Asterisk Releases – 1.8 LTS § Asterisk 1.8 LTS § Released 2 Year Ago (AstriCon 2010) § Long Term Support (LTS) § Added: § Secure Calling (SRTP / SIP TLS) § IPv6 Support § Calendar Integration § XMPP Device State § Channel Event Logging § Google Voice / Chat / Talk Calling (Sort Of) § “ISDN” Features (AOC, CCSS, CPID)
  • 7. 7 Creative Innovation – Customer Satisfaction – Continual Quality Improvement Asterisk Releases - Asterisk 10 § Asterisk 10 § Released ~1 year ago (AstriCon 2011) § Standard Release (1 Year Lifespan) § Added: § HD Media Engine § New Codecs § ConfBridge HD Audio / Video conferencing § T.38 Gateway § Text Message Routing
  • 8. 8 Creative Innovation – Customer Satisfaction – Continual Quality Improvement Asterisk Releases – Certified Asterisk § Asterisk Release Policy 101 § Mainline releases never get new features § Mainline releases contain everything § Mainline Asterisk Is Updated Frequently § About one new release each month § Good In Some Ways § Bugs get fixed quickly § Bad In Some Ways § Rapidly moving target § No new features
  • 9. 9 Creative Innovation – Customer Satisfaction – Continual Quality Improvement Asterisk Releases – Certified Asterisk § Certified Asterisk § Based on the most recent LTS release § Removes unsupportable modules § Undergoes additional testing process § Includes limited number of high-value new features § Updated quarterly § Still Free Software: Same GPLv2 License
  • 10. 10 Creative Innovation – Customer Satisfaction – Continual Quality Improvement Certified Asterisk § CERT1 Release § Based on 1.8 LTS § Back-ports SIP message routing from Asterisk 10 § Adds additional APIs to Voicemail, Queues, Parking § Why? § Support For SLA Customers § Digium’s Asterisk Phones
  • 11. 11 Creative Innovation – Customer Satisfaction – Continual Quality Improvement Phones For Asterisk § Digium D40, D50, D70 – Built For Asterisk Systems § Super Simple Provisioning § Discovery via mDNS / Bonjour § Uses SIP channel § Integrated Applications: § Visual Voicemail § Visual Call Parking § Queue Management § Presence / Status § Call Deflection / Direct VM
  • 12. 12 Creative Innovation – Customer Satisfaction – Continual Quality Improvement Asterisk 11 § LTS Release § 5 years of full support § 1 additional year of security support § Takes you to 2018 § LTS = Stability NOT Features § Architectural-level bug fixes § Performance enhancements § Significant refactoring of existing features / functions
  • 13. 13 Creative Innovation – Customer Satisfaction – Continual Quality Improvement New In Asterisk 11 § Chan_motif – Google / Jingle / XMPP Done Right § Combines chan_google and chan_jingle into a single driver § Uses completely refactored XMPP engine (res_xmpp) § More stable / less difficult to keep up with Google § WebSockets Support For SIP § SIP uses multiple transports: UDP, TCP, TLS now WS § New protocol used by web applications for bi-directional, asynchronous communications § Integrated into onboard HTTP server in Asterisk
  • 14. 14 Creative Innovation – Customer Satisfaction – Continual Quality Improvement Why WebSockets? § WebRTC – A New Paradigm For Communications § Adds real-time communications to web browsers § Audio (Speakers / Microphone) § Video (Display / Camera) § Implements tools for media session management § NAT traversal (STUN, TURN, ICE) § Codecs (G.711, Opus) § Defines JavaScript APIs for media access, peer connection § Leaves the signaling protocol / process open to the application developer
  • 15. 15 Creative Innovation – Customer Satisfaction – Continual Quality Improvement SIP + WebSockets + WebRTC § Adding WebSockets to Asterisk enables § SIP over WebSockets (available in Asterisk 11) § XMPP / Jingle over WebSockets (future version) § ??? Over WebSockets (as soon as you like) § Other WebRTC changes § Improved RTP / SRTP handling § ICE support § SDP improvements
  • 16. 16 Creative Innovation – Customer Satisfaction – Continual Quality Improvement This Is Revolutionary Stuff! § Instantly VoIP enabling every browser in the world § No software to install § Interoperability with existing VoIP technologies using RTP § SIP § Open standards: anyone can play § True unified communications § Voice + Video Calling § Screen Sharing § Conferencing
  • 17. 17 Creative Innovation – Customer Satisfaction – Continual Quality Improvement Next Up: Asterisk 12 § Asterisk is 13 years old § Asterisk has some architectural issues that need addressing § Asterisk has a very, very large installed base of users § How to make improvements without breaking things § Help us define the next release: § Join us at AstriDevCon: October 22, 2012 in Atlanta § One day prior to AstriCon
  • 18. 18 Creative Innovation – Customer Satisfaction – Continual Quality Improvement Thanks!