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Continuous Development Since 2001
SER-Kamailio - the project that shaped the evolution of open source real time communications
Powering Open Real Time Communications
SIP Load Balancer, IP Telephony Engine, Least Cost Routing, SIP Firewall, Edge Proxy, SBC, Registrar and Location Service, Instant Messaging and Presence, MSRP, WebRTC, IPv4-IPV6, IMS, VoLTE
11Jan/17

New Module: ims_ocs

January 11, 2017Development News, New Modules, News5.0, ims, modules, ocsmiconda

With a rather busy end of 2016, several additions to Kamailio missed the chance to get into the news as they were imported in the repository. Now it’s time to catch upRead More…

10Jan/17

Kamailio on Cluecon Weekly – Jan 11, 2017

January 10, 2017Newsmiconda

On Wednesday, January 11, 2017, at 18:00UTC (12:00CT, 18:00 London, 19:00 Berlin), the Cluecon weekly conference call will focus again on Kamailio and FreeSwitch. Daniel-Constantin Mierla will be joining the call, presentingRead More…

09Jan/17

Kamailio World 2017: Call For Speakers

January 9, 2017Kamailio World, Newsmiconda

  Submission of presentation proposals for Kamailio World 2017 is open. Deadline for submission is February 10, 2017, notification of accepted proposals will be done latest on March 01, 2017. Be aware thatRead More…

05Jan/17

Kamailio v5.0 – Development Frozen

January 5, 2017Newsmiconda

The development (master) branch of Kamailio enters now in pre-release phase for version 5.0.0. Therefore, no new feature should be pushed to master until we create a dedicated branch for 5.0 (expectedRead More…

04Jan/17

MI Code Removed

January 4, 2017Development News, Newsmiconda

No active MI (aka management interface) related code should be in Kamailio master branch starting with today, Jan 4, 2017. The internal library kmi, the modules mi_datagram, mi_fifo, mi_xmlrpc, mi_rpc and pua_mi were removed.Read More…

01Jan/17

Wishing A Safe And Happy 2017!

January 1, 2017Newsmiconda

2016 has reached its end, a special one for Kamailio by celebrating 15 years of development! Thank you everyone for contributing to the project! We are looking forward to a great 2017,Read More…

24Dec/16

Merry Christmas and Happy Holidays!

December 24, 2016Newschristmasmiconda

Passing the 15 years of development marker for Kamailio project few months ago, we are now approaching the end of 2016. A long list of people devoted a lot of time in sustaining theRead More…

20Dec/16

MI Code To Be Removed

December 20, 2016Newsmiconda

Management Interface (MI), the old line-based text protocol interface to interact with Kamailio is going to be removed in the near future. It was declared obsolete several years ago, when we introducedRead More…

07Dec/16

Source Code Tree Restructured

December 7, 2016Development News, Newsdevelopment, source codemiconda

Today – Dec 7, 2016 – the source code tree of Kamailio project was restructured into a slim and clean root folder. This was done in order to better handle various components andRead More…

28Nov/16

Siremis v4.3.0 Released

November 28, 2016Newsmiconda

A new version of Siremis, the web management interface for Kamailio, has been released recently, respectively v4.3.0. The main work was towards making it compatible with PHP 7 and the new constraints from MySQL 5.7+.Read More…

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News

  • Kamailio v6.0.2 Released June 25, 2025
  • 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
DONATE TO KAMAILIO

– Download latest release –

6.0.2

(June 25, 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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