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Category Archives: Releases

20Jul/15

Kamailio v4.3.1 Released

July 20, 2015News, Releases4.3, releasesmiconda

Kamailio SIP Server v4.3.1 stable is out – a minor release including fixes in code and documentation since v4.3.0 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v4.3.1 isRead More…

10Jun/15

Kamailio v4.3.0 Released

June 10, 2015News, Releases4.3miconda

June 10, 2015: Kamailio v4.3.0 is out –  a new major release, collecting new features and improvements added during about six months of development and one and a half month of testing.Read More…

26May/15

Branch 4.3 Created

May 26, 2015Development News, News, Releases4.3miconda

The next release of Kamailio will be 4.3 – a release with new module and many new functions! The GIT branch for the coming release 4.3 has been created. This branch  will hostRead More…

19May/15

Kamailio v4.2.5 Released

May 19, 2015News, Releasesmiconda

Kamailio SIP Server v4.2.5 stable is out! This is a minor release including fixes in code and documentation since v4.2.4. Don’t worry about upgrading – the configuration file and database compatibility is preserved. Kamailio (formerRead More…

02Apr/15

Kamailio v4.2.4 Released

April 2, 2015News, Releases4.2, kamailio, releasemiconda

Kamailio SIP Server v4.2.4 stable is out! This is a minor release including fixes in code and documentation since v4.2.3. Don’t worry about upgrading – the configuration file and database compatibility is preserved. Kamailio (formerRead More…

30Mar/15

Roadmap to Kamailio v4.3.0

March 30, 2015Development News, News, Releases4.3miconda

The next major release of Kamailio is going to be version 4.3.0. The plan to release it was sketched during the last IRC devel meeting. The current proposal is to publish the newRead More…

10Feb/15

Kamailio v4.2.3 Released

February 10, 2015News, Releases4.2miconda

Kamailio SIP Server v4.2.3 stable is out – a minor release including fixes in code and documentation since v4.2.2 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v4.2.3 is basedRead More…

05Feb/15

Kamailio v4.1.8 Released

February 5, 2015News, Releases4.1miconda

The Kamailio SIP Server v4.1.8  stable version  is released. This is a minor release including fixes in code and documentation since v4.1.8 – configuration file and database compatibility is preserved within 4.1.x series. WeRead More…

08Jan/15

Kamailio v4.2.2 Released

January 8, 2015News, Releases4.2, releasesmiconda

Kamailio SIP Server v4.2.2 stable is out – a minor release including fixes in code and documentation since v4.2.0 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v4.2.2 is basedRead More…

11Nov/14

Kamailio v4.2.1 Released

November 11, 2014News, Releases4.2, releasesmiconda

Kamailio SIP Server v4.2.1 stable is out – a minor release including fixes in code and documentation since v4.2.0 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v4.2.1 isRead More…

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News

  • Kamailio v5.7.7 Released May 21, 2025
  • Donating To Kamailio Project April 7, 2025
  • Kamailio v5.8.6 Released March 20, 2025
  • Kamailio World 2025 – A Preview Of Sessions March 19, 2025
  • Kamailio v6.0.1 Released March 10, 2025
  • Kamailio World 2025 – First Group Of Speakers Announced February 24, 2025
  • Open Source 6G Networks for Connecting the Unconnected Workshop 2025 February 17, 2025
DONATE TO KAMAILIO

– Download latest release –

6.0.1

(Mar 10, 2025)

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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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