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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
14Jan/19

Kamailio World 2019 – Registration Is Now Open

January 14, 2019Newsmiconda

The registration for the 7th edition of Kamailio World Conference is now open! More details and registration forms are available on the website: https://www.kamailioworld.com/k07/registration/ Like at the previous editions, the event spans overRead More…

08Jan/19

Planning Fosdem 2019

January 8, 2019Events, Newsmiconda

Fosdem 2019 is approaching, so we surveying to see who from the community plans to go to the event. We also plan to organize again a dinner on Saturday evening, a traditionRead More…

01Jan/19

Happy New Year 2019!

January 1, 2019Newsmiconda

Fast, so fast, the 2018 is gone, one of those years of consolidation in terms of development and community activity for the Kamailio project, with another major release and an amazing edition of KamailioRead More…

24Dec/18

Merry Christmas and Happy Holidays!

December 24, 2018Newsmiconda

Slowly getting to another end of a year, the 18th since the project was started — a fruitful 2018, with a great evolution for project development and plenty of community interactions. WeRead More…

11Dec/18

Performance Tests For KEMI Scripting Languages

December 11, 2018Development News, Newsmiconda

Two editions ago, Kamailio (with version 5.0) introduced the scripting languages embedded interface (short name KEMI) that enabled using Lua, Python, JavaScript or other scripting languages to build SIP routing logic. DuringRead More…

10Dec/18

Kamailio World 2019 – Call for Presentations

December 10, 2018Newsmiconda

We would like to announce that Call for Presentations at Kamailio World 2019 is now open. You can submit your proposal or see more details at: https://www.kamailioworld.com/k07/call-for-speakers/ The 7th edition of theRead More…

30Nov/18

Kamailio 5.2: Deb And RPM Repositories

November 30, 2018Newsmiconda

The packages of Kamailio v5.2.0 for Debian/Ubuntu and RPM-based distributions (CentOS, RedHat, OpenSuse, Fedora) are available to use. For Debian/Ubuntu, you can set the APT repository on your system to the linksRead More…

28Nov/18

Kamailio v5.2.0 Released

November 28, 2018Newsmiconda

November 28, 2018: Kamailio v5.2.0 is out –  a new major release, bringing new features and improvements added during nine months of development and about two months of testing. In short, this major release brings 6Read More…

26Nov/18

Announcing Next Kamailio World Conference, May 6-8, 2019, in Berlin

November 26, 2018Newsmiconda

The next edition of Kamailio World Conference is planned to take place at the same location like the past editions, respectively hosted by Fraunhofer Fokus and Forum in the city center of Berlin,Read More…

19Nov/18

Releasing Kamailio v5.2.0

November 19, 2018Newsmiconda

We are considering to release v5.2.0 (the first stable version out of branch 5.2) next week, likely on Wednesday, Nov 28, 2018. It still allows a bit more than a week ofRead 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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