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Category Archives: Releases

07Nov/14

Kamailio v4.0.7 Released

November 7, 2014News, Releases4.0, releasesmiconda

Kamailio SIP Server v4.0.7 stable is out – a minor release including fixes in code and documentation since v4.0.0 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v4.0.7 isRead More…

06Nov/14

Kamailio v4.1.7 Released

November 6, 2014News, Releases4.1, releasesmiconda

The Kamailio SIP Server v4.1.7  stable version  is released. This is a minor release including fixes in code and documentation since v4.1.6 – configuration file and database compatibility is preserved. We recommend all usersRead More…

16Oct/14

Kamailio v4.2.0 Released

October 16, 2014News, Releases4.2miconda

October 16, 2014: Kamailio v4.2.0 is out –  a new major release, collecting new features and improvements added during about eight months of development and one and a half month of testing.Read More…

08Oct/14

v4.2 Pre-Release – Branch Has Been Created!

October 8, 2014Development News, News, Releases4.2miconda

The 4.2 branch on our Kamailio GIT repository  has been created. This is the official branch to be used for releasing any of the 4.2.x versions. The first one, v4.2.0, is expectedRead More…

18Sep/14

Kamailio v4.1.6 Released

September 18, 2014News, Releases4.1, releasesmiconda

The Kamailio SIP Server v4.1.6 stable is released. This is a minor release including fixes in code and documentation since v4.1.5 – configuration file and database compatibility is preserved. We recommend allRead More…

06Aug/14

Kamailio v4.1.5 Released

August 6, 2014News, Releases4.1, releasesmiconda

Kamailio SIP Server v4.1.5 stable is released. This is a minor release including fixes in code and documentation since v4.1.4 – configuration file and database compatibility is preserved. We recommend all usersRead More…

12Jun/14

Kamailio v4.1.4 Released

June 12, 2014News, Releases4.1, releasesmiconda

Kamailio SIP Server v4.1.4 stable is out – a minor release including fixes in code and documentation since v4.1.3 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v4.1.4 isRead More…

24Apr/14

Kamailio v4.1.3 Released

April 24, 2014News, Releases4.1, releasesmiconda

Kamailio SIP Server v4.1.3 stable is out – a minor release including fixes in code and documentation since v4.1.2 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v4.1.3 isRead More…

06Mar/14

Kamailio v4.0.6 Released

March 6, 2014News, Releasesmiconda

Kamailio SIP Server v4.0.6 stable is out – a minor release including fixes in code and documentation since v4.0.0 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v4.0.6 isRead More…

09Jan/14

Kamailio v4.1.1 Released

January 9, 2014News, Releases4.1, releasesmiconda

Kamailio SIP Server v4.1.1 stable is out – a minor release including fixes in code and documentation since v4.1.0 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v4.1.1 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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