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Category Archives: Releases

11Mar/13

Kamailio v4.0.0 Released

March 11, 2013News, Releases4.0, releasesmiconda

March 11, 2013: Kamailio v4.0.0 is out –  a special major release, shifting up the first digit in versioning number! Besides bringing a lot of improvements and new features, the main reasonsRead More…

28Feb/13

Getting close to 4.0.0 release – here’s how to test

February 28, 2013News, Releases4.0.0oej

We are getting very close to 4.0.0 release. Yesterday Daniel branched out 4.0.0 into a special GIT branch, opening up the GIT master branch for new code additions. We still encourage usersRead More…

25Feb/13

Kamailio v3.3.4 Released

February 25, 2013News, Releasesmiconda

Kamailio SIP Server v3.3.4 stable is out – a minor release including fixes in code and documentation since v3.3.3 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v3.3.4 isRead More…

19Jan/13

Testdrive the coming 4.0 release!

January 19, 2013News, Releases4.0, releaseoej

The 4.0 release is getting closer and we have frozen the code base. At this time, we’re fixing reporting bugs, updating documentation and preparing the release. Now is the time for allRead More…

09Jan/13

Update for v.4.0. : SNMP changes in MIB and names

January 9, 2013News, Releases4.0, kamailio-mib, mib, openser-mib, snmp, snmpstatsoej

As we complete the merger between OpenSER, SER and SIP-router into Kamailio, we’ve decided to go ahead and remove all the old names in SNMP – we’ve been stuck with the “OPENSER-MIB”Read More…

18Dec/12

Kamailio v3.3.3 Released

December 18, 2012News, Releases3.3, download, releasemiconda

Kamailio SIP Server v3.3.3 stable is out – a minor release including fixes in code and documentation since v3.3.2 – configuration file and database compatibility is preserved. Kamailio (former OpenSER) v3.3.3 isRead More…

06Dec/12

Preparing the next major release of Kamailio!

December 6, 2012News, Releasesoej

  Code freeze for the next major release of Kamailio is now set to January 7th. This release will mark the end of the merge period of Sip Express Router and OpenSER.Read More…

18Jun/12

Kamailio v3.3.0 Released

June 18, 2012News, Releasesmiconda

Kamailio (OpenSER) v3.3.0 is out – a major release with a very large number of new features and improvements. On June 18, 2012, Kamailio (OpenSER) 3.3.0 has been released – this releaseRead More…

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News

  • 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
  • Maintenance Work For kamailio.org Server On Feb 18, 2025 February 12, 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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