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Category Archives: Releases

10May/16

Kamailio v4.4.1 Released

May 10, 2016News, Releases4.4, releasesmiconda

Kamailio SIP Server v4.4.1 stable is out – a minor release including fixes in code and documentation since v4.4.0. The configuration file and database schema compatibility is preserved. Kamailio v4.4.1 is based onRead More…

30Mar/16

Kamailio v4.4.0 Released

March 30, 2016News, Releases4.4, releasesmiconda

March 30, 2016: Kamailio v4.4.0 is out –  a new major release, bringing out new features and improvements added during about seven months of development and one and a half month of testing.Read More…

18Mar/16

Releasing Kamailio v4.4.0

March 18, 2016News, Releases4.4, 4.x, releasesmiconda

Good news! The new release of Kamailio is on track! With no major issues reported, Kamailio is on a good track for releasing stable v4.4.0. Next week a lot of people prepare for Easter, thereforeRead More…

03Mar/16

Kamailio v4.3.5 Released

March 3, 2016News, Releasesmiconda

Kamailio SIP Server v4.3.5 stable is out – a minor release including fixes in code and documentation since v4.3.4. The configuration file and database schema compatibility is preserved. Kamailio (former OpenSER) v4.3.5 isRead More…

18Dec/15

Kamailio v4.1.9 Released

December 18, 2015News, Releasesmiconda

The Kamailio SIP Server v4.1.9  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.  ImportantRead More…

17Dec/15

Kamailio v4.2.7 Released

December 17, 2015News, Releases4.2, releasesmiconda

Kamailio SIP Server v4.2.7 stable is out! This is a minor release including fixes in code and documentation since v4.2.6. Kamailio v4.2.7 is based on the latest version of GIT branch 4.2.  If you areRead More…

25Nov/15

Kamailio v4.3.4 Released

November 25, 2015News, Releases4.3, releasesmiconda

Kamailio SIP Server v4.3.4 stable is out – a minor release including fixes in code and documentation since v4.3.3. The configuration file and database schema compatibility is preserved. Kamailio (former OpenSER) v4.3.4 isRead More…

02Oct/15

Kamailio v4.3.3 Released

October 2, 2015News, Releases4.3, releasesmiconda

Kamailio SIP Server v4.3.3 stable is out – a minor release including fixes in code and documentation since v4.3.2 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v4.3.3 is basedRead More…

10Sep/15

Kamailio v4.3.2 Released

September 10, 2015News, Releasesmiconda

Kamailio SIP Server v4.3.2 stable is out – a minor release including fixes in code and documentation since v4.3.1 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v4.3.2 is basedRead More…

30Jul/15

Kamailio v4.2.6 Released

July 30, 2015News, Releases4.2, releasesmiconda

Kamailio SIP Server v4.2.6 stable is out! This is a minor release including fixes in code and documentation since v4.2.5. Kamailio (former OpenSER) v4.2.6 is based on the latest version of GIT branch 4.2, thereforeRead 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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