This document provides an overview of Adhearsion, an open source telephony framework for building multimodal applications. It discusses how Adhearsion uses the Asterisk telephony engine to enable voice applications and provides APIs for REST, JSON, and other protocols. Examples are given of applications built with Adhearsion including a voice/Twitter voting app. The document also introduces Tropo, a cloud telephony API that can be used with Adhearsion's programming interfaces.

1. July 2009
( )

2. -
Jason Goecke Jay Phillips
( ) ( )
• Email:
jason@adhearsion.com
• Email:
• Twitter: jsgoecke jay@adhearsion.com
• Blog: http:// • Twitter: jicksta
blog.goecke.net
• Blog: http://jicksta.com

3. (Telephony)
• (Make & Receive Calls)
• (Traditionally Expensive)
•
(Open source enables the
long tail of voice apps)

4. (Asterisk)
• (Open Source
Telephony Engine)
• ( Multi-protocol support)
• TDM/SIP/IAX2/H323/Jingle/Skype
• (Exceptionally Flexible)
http://asterisk.org

5. (Asterisk)

6. Adhearsion Architecture

7. (Multimodal Applications)
http://twittervotereport.com

8. Adhearsion
(How Adhearsion Works)

9. Adhearsion Dialplan.rb

10. Adhearsion Events.rb

11. Adhearsion Components
APIs
- REST/JSON
- DRb
- STOMP

12. Adhearsion
(Sandbox)
http://adhearsion.com/getting_started

13. (Tropo - Cloud Telephony)
VXML/CCXML API
• Javascript, Groovy, PHP, Python, Ruby
• Adhearsion ProtoTropo …

14. Tropo API

15. Adhearsion Tropo
…
• Website: http://adhearsion.com
• Wiki: http://docs.adhearsion.com
• API Docs: http://api.adhearsion.com
• Tropo: http://tropo.com