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Category Archives: Development News

30Nov/24

Proposal To Freeze The Development For 6.0.x Series

November 30, 2024Development News, Newsmiconda

After a good coding session done during the Kamailio’s Devel Meeting in Dusseldorf a few weeks ago, it has just been proposed to aim freezing the development for Kamailio v6.0.x series atRead More…

12Nov/24

Kamailio v5.8.4 Released

November 12, 2024Development News, News, Releasesmiconda

Kamailio SIP Server v5.8.4 stable is out – a minor release including fixes in code and documentation since v5.8.3. The configuration file and database schema compatibility is preserved, which means you don’t haveRead More…

15Jul/24

Kamailio Developers Meeting, Nov 19-20, 2024, in Dusseldorf

July 15, 2024Development News, Events, Newsmiconda

Kamailio SIP Server project is organizing another meeting of its developers during November 19-20, 2024 (Tue-Wed), hosted again by sipgate.de in Dusseldorf, Germany. The event is intended to facilitate the interaction between KamailioRead More…

03Jul/24

Kamailio v5.6.6 Released

July 3, 2024Development News, News, Releasesmiconda

Kamailio SIP Server v5.6.6 stable is out – a minor release including fixes in code and documentation since v5.6.5. The configuration file and database schema compatibility is preserved, which means you don’t haveRead More…

02Jul/24

Kamailio v5.7.6 Released

July 2, 2024Development News, News, Releasesmiconda

Kamailio SIP Server v5.7.6 stable is out – a minor release including fixes in code and documentation since v5.7.5. The configuration file and database schema compatibility is preserved, which means you don’t haveRead More…

12Jun/24

Kamailio v5.8.2 Released

June 12, 2024Development News, News, Releasesmiconda

Kamailio SIP Server v5.8.2 stable is out – a minor release including fixes in code and documentation since v5.8.1. The configuration file and database schema compatibility is preserved, which means you don’t haveRead More…

07Mar/24

Kamailio v5.8.0 Released

March 7, 2024Development News, News, Releasesmiconda

March 07, 2024: Kamailio v5.8.0 is out –  a new major release, bringing new features and improvements added during almost ten months of combined development and testing. In short, this major release brings 4Read More…

28Nov/23

Online Devel Meeting – Dec 05, 2023, 15:00UTC

November 28, 2023Development News, Events, Newsmiconda

To summarise what happened a few weeks ago at the last on-site devel meeting in Dusseldorf and plan the next steps for the project, we are planning an online development meeting onRead More…

23Nov/23

Kamailio v5.6.5 Released

November 23, 2023Development News, News, Releasesmiconda

Kamailio SIP Server v5.6.5 stable is out – a minor release including fixes in code and documentation since v5.6.4. The configuration file and database schema compatibility is preserved, which means you don’t haveRead More…

11Oct/23

Kamailio Developers Meeting, Nov 7-8, 2023, in Dusseldorf

October 11, 2023Development News, Events, Newsmiconda

Kamailio SIP Server project is organizing another meeting of its developers during November 7-8, 2023, hosted again by sipgate.de in Dusseldorf, Germany. The event is intended to facilitate the interaction between Kamailio developersRead More…

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News

  • Kamailio v6.1.0 Released February 18, 2026
  • Kamailio World 2026: Selection Of Speakers February 16, 2026
  • Kamailio v5.8.7 Released January 14, 2026
  • Development For Kamailio v6.1.x Is Frozen January 9, 2026
  • Kamailio v6.0.5 Released January 8, 2026
  • Kamailio World 2026 – Call for Presentations January 5, 2026
  • Kamailio v6.0.4 Released November 6, 2025
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6.1.0

(Feb 18, 2026)

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Short History

The initial name of the project was SIP Express Router (aka SER), started in 2001 by Fraunhofer Fokus Research Institute and released under GPLv2 in 2002. In 2005, OpenSER project spawned from SER and had to change the name to Kamailio in summer of 2008 due to trademark claims. During the autumn of 2008, Kamailio and SER teams decided to join back the projects and use further the Kamailio name.

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