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Structuring Applications with Grails Plugins
Greg will be giving a talk this Monday, May 11 at the Groovy/Grails Meetup in New York City entitled "Structuring Grails Applications with Plugins." "What does this have to do with ECharts or E4SS?" you may ask. Well, this will be the first public talk discussing a new IP telecom development framework called "Converge." Converge is a rapid converged application development framework that builds upon Grails (for web application development) and E4SS (for telecom app development). And Converge will be released as open source software on echarts.org this month!

This talk will focus on how Converge makes use of the Grails plugin architecture. So if you're in NYC on Monday and you're interested in Grails, Groovy or Converge be sure to RSVP to this meetup event.

UPDATE: Slides from this presentation can be downloaded from here.

Last Updated ( Tuesday, 19 May 2009 )
 
New Releases of ECharts for SIP Servlets, KitCAT, ECharts and the DFC Application Router
On this three year anniversary of echarts.org, we are pleased to announce the release of ECharts for SIP Servlets (E4SS) v2.5-beta, KitCAT v1.1-beta, ECharts v1.3.1-beta and the DFC Application Router v 1.3-beta.

For those unfamiliar with these technologies: E4SS is a development framework for SIP Servlet-based telecom applications, KitCAT is a functional test framework for converged (SIP and HTTP) applications, ECharts is a state machine-based programming language derived from the UML Statecharts and the DFC Application Router is an application router for SIP Servlet containers based on the principles of Distributed Feature Composition (DFC). When combined, these technologies provide the fastest way we know of for developing dependable, converged telecom applications. And all of these technologies are available as open source software!

The highlights of this major release are (1) E4SS now fully supports the SIP Servlet 1.1 (JSR 289) standard (2) E4SS now includes 13 reusable, modular telecom features (including a SIP registrar and click-to-dial), and 21 reusable, telecom machine fragments (including a B2BUA and 'call hold') (3) E4SS comes bundled with KitCAT (4) enhancements to the E4SS converged application framework (5) E4SS support for "bound boxes", a convenient and powerful abstraction for SIP Servlet 1.1 session key-based targeting (6) a number of other important modifications and bug fixes to all the released packages.

Read on for more details about this release and instructions on how to upgrade from previous releases.
Last Updated ( Tuesday, 14 April 2009 )
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KitCAT 1.0 beta released

We are pleased to announce the open source availability of KitCAT (Kit for Converged Application Testing) 1.0-beta. KitCAT is a JUnit based framework for functional testing of converged SIP telecom applications. Here are some highlights of features in KitCAT:

  • JUnit based
  • A single test case can host multiple SIP user agents as well as Web browsers thus enabling easy coordination of test agents as well as creation of converged test cases
  • Support for high-level call-control primitives as well as low-level manipulation of SIP messages
  • Support for sending and receiving RTP audio streams, and sending DTMF key sequences
  • Intuitive assertions that can be extended to support customized condition checking

Take a look at the KitCAT screencast, where we demonstrate how you can quickly write converged test cases. You can also take a look at the KitCAT manual available online or download a pdf version.You can download KitCAT distribution from here .
Last Updated ( Monday, 24 November 2008 )
 
Upcoming Talk on ECharts for SIP Servlets
If you happen to live in the Chicago area, consider attending the 2008 IIT VoIP Conference and Expo this Thursday and Friday October 23 and 24.

Last Updated ( Tuesday, 21 October 2008 )
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Three Part DFC App Router Tutorial
Eric Cheung has just finished posting the last two parts of his three part tutorial describing how to use the DFC application router with E4SS (ECharts for SIP Servlets) and the SailFin container.

Last Updated ( Wednesday, 11 February 2009 )
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Go Native! Special E4SS Build for SailFin Using Native App Router API
Announcing a special build of ECharts for SIP Servlets (E4SS) and the DFC Application Router, just for the SailFin container!

The regular release of ECharts for SIP Servlets Development Kit (version 2.4-beta and earlier) is designed to work on JSR 116 containers. It supports JSR 289 style application composition via an adaptation layer.

The ECharts for SIP Servlets library in this special build utilizes the full SIP Servlet 1.1 (JSR 289) API. At the same time, the DFC AR is a native JSR 289 Application Router which can be deployed directly into the container to override the default SailFin alphabetical router.

Last Updated ( Monday, 28 July 2008 )
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ECharts for SIP Servlets 2.4-beta Released!
This release of the ECharts for SIP Servlets Development Kit is all about convergence and reusability. This version includes a general-purpose, lightweight convergence framework that supports interaction between ECharts servlets (B2BUAs or proxies) and the external Java environment. The framework makes it possible to, for example, use HTTP to control a SIP call or, conversely, have the non-SIP environment be notified of call status. To find out more, take a look at the new section of the ECharts for SIP Servlets manual describing the convergence framework, or look at the reusable, converged ECharts for SIP Servlets telecom features included with this release:
Last Updated ( Tuesday, 20 May 2008 )
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ECharts 1.3-beta Released!
The highlights of this ECharts release are support for "mixed state" machines and Javamachine serialization.
Last Updated ( Tuesday, 20 May 2008 )
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