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Adhearsion

Developer(s)	Adhearsion Team
Stable release	2.3.0 / March 25, 2013 (2013-03-25)
Written in	Ruby
Operating system	Cross-platform
Type	Telephony application framework
License	MIT License
Website	adhearsion

Adhearsion is an open source voice development framework for the Ruby programming language. It is intended to be used to create rich voice applications integrated with other technologies, such as web applications, databases and instant messaging.

History [edit]

Adhearsion was created in 2006 and released by Jay Phillips in December of that year as an open source project.^[1] In August 2007 O'Reilly Media published the Asterisk The Future of Telephony book that included Adhearsion.^[2] The latest version, 2.0.0, was released in April 2012 and includes many substantial improvements over 1.x.^[3]

Overview [edit]

Adhearsion is an entirely independent framework, including application and code generators and a plugin system. Today Adhearsion works with the Asterisk telephony engine,^[2] as well as with Voxeo PRISM through the open source Rayo protocol and requires Ruby 1.9.2 or higher.

The framework allows developers to create stand-alone voice applications, or add voice functionality to existing applications or systems using a modern dynamic programming language, Ruby, as opposed to requiring the use of VXML or CCXML. Adhearsion provides a set of classes and facilities that enables a developer to work with voice with little knowledge of the voice development domain.

Since both Adhearsion and all of its dependencies are open source, developers have the ability to develop sophisticated voice applications without significant up front costs that have been the historical norm in telephony development.

The current members that make up the core team are Jason Goecke, Ben Klang and Ben Langfeld.

References [edit]

External links [edit]

• Adhearsion official website
• Adhearsion Wiki
• Linux Journal Article on Adhearsion
• Adhearsion Github Repo
• O'Reilly Radar Article 2007
• Adhearsion The Changelog Podcast
• Telefonica Presentation on Adhearsion

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