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Disclaimer: this page contains statements about some events in the pasts. The statements were valid at the moment when the specific event happened and the situations may have changed afterwards. If you feel that there is inaccurate information, please contact one of the board members of KAMAILIO (OpenSER) project. On July 28, 2008 - OPENSER was renamed to KAMAILIO due to trademark issues. Old domain openser.org is no longer available for the project. The person that registered openser.org back in 2005 created a fork named opensips shortly after OpenSER to Kamailio renaming and few days later redirected openser.org to his new project. Mailing lists, archives, dokuwiki, downloads, documentation repositories and the rest of resources you were used to within the website and project are available under kamailio.org domain -- all versions since June 14, 2005 - you need just to replace openser.org with kamailio.org. SourceForge project still exists under openser name and belongs to Kamailio project: http://sourceforge.net/projects/openser/. OpenSER versions from 0.9.4 to 1.3.x will still be maintained and hosted under the new domain kamailio.org. The name for old releases will continue to be OpenSER. Management is now ensured by an interim group working to create a foundation that will take care of project administration to avoid in the future situations as above. See more...
OpenSER History OpenSER project started on the 14th June, 2005. It looks as an young project, but actually it is full of history. Origin of OpenSER goes back in 2001-2002, at FhG FOKUS research institute in Berlin, Germany. In autumn 2002, the SIP Express Router (SER) project was released open source under GPL license and the source tree moved to BerliOS open source mediator site. During 2005 the evolution of the public project developed in new directions.
In June 2005, two SER core developers Bogdan-Andrei Iancu, Daniel-Constantin Mierla and one main contributor Elena-Ramona Modroiu started OpenSER project. OpenSER venture was conducted by the different views in the management and development of the open source project (policy about contributions, release cycles and development effort). The fork allowed for development of the new open source project to start quickly (a roadmap was put in place, a management board has been formed, a policy about contributions has been defined, the new release cycles have been established).
Some of SER main contributors joined OpenSER Project: Juha Heinanen , Adrian Georgescu , Klaus Darilion , Dan Pascu, Andreas Granig, Dmitry Isakbaev, Di Shi Sun, Cesc Santasusana. After one year and a half, the project counted over 80 people contributing with code, patches or documentation, having 20 registered developers.
First OpenSER release happened on the 14th June 2005, versioned 0.9.4 - source code forked from SER branch 0.9.0. Since then, other releases were made: 0.9.5 patch update to 0.9.4; 1.0.0 - major release - first open source SIP server with TLS support on the 28th October 2005; 1.0.1 - patch update to 1.0.0; and last major release at this moment (July 2006), 1.1.0, on the 10th July 2006. Independent and fair project management is leaded by OpenSER Management Board: Adrian Georgescu, Bogdan-Andrei Iancu, Cesc Santasusana, Daniel-Constantin Mierla, Elena-Ramona Modroiu, Juha Heinanen and Klaus Darilion. Contributions that complied with the project policy have been accepted. Code was included after review by the main developers of OpenSER .
High community collaboration - The project mailing lists and web forums provide quick and clear responses. Mailing threads are handled in a timely manner. The knowledge developed by non-developer member of OpenSER is contributed back in the documentation and answers on the web forum and mailing lists are consistently used to improve it. Roadmap to new release is published on web site, users can contribute with ideas and know what to expect in the future.
Improved documentation base - modules' documentations is kept up to date, core components (statements, functions and variables) are detailed in OpenSER Core Cookbook , and many tutorials were released during the period since OpenSER was born. Community members contributed external applications ( OpenSER Web Administrator , OpenSER Perl Library) and tutorials (Real time integration with asterisk, FreeRadius integration). According to project's management policy, the new features must come with notification to OpenSER users, along with basic documentation. New development raise - people willing to contribute code based on recognized standards or features of large interest got help from main developers to learn faster OpenSER and write extension that fits the best in existing environment. New core components and architectures were discussed on developers' mailing list, resulting in very good design and implementation. Lot of ideas coming from users were hacked and included in OpenSER , many patches being submitted by community.
Features boost - the set of functionalities in OpenSER increased substantially with every new release, preserving robustness, stability and performances. Check the following links:
- OpenSER 0.9.x
- OpenSER 1.0.x
- OpenSER 1.1.x
New major versions were released after the date of creating this page. Check http://www.kamailio.net
OpenSER spread - many people adopted OpenSER and they are using it in production systems. Specialized companies are offering professional trainings for OpenSER. Developers, community members and independent persons held presentations to many international VoIP and communications events. The application is included in many official Unix-based distributions (Debian Testing and Unstable, Suse, FreeBSD).
OpenSER Summit 2006 - in November 2006, first OpenSER Summit took place in Berlin, Germany, co-located with VoN Europe. People around the project got the chance to meet in person and discuss future of the project and to listen industrial perspectives from companies with OpenSER-based solutions - details here .
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