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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
16Apr/18

Unit Testing Framework With Docker

April 16, 2018Development News, Newsmiconda

Kamailio source tree include a set of few dozen of shell-based unit tests developed several years ago, residing inside test/unit/ of the source code tree. They were more or less not activelyRead More…

11Apr/18

New module: acc_json

April 11, 2018New Modules, Newsmiconda

Julien Chavanton from Flowroute added recently a new module: acc_json The module builds JSON documents from the accounting records and can send them to mqueue to be consumed by other processes orRead More…

27Mar/18

Kamailio World 2018 – Participation Grants

March 27, 2018Events, Kamailio World, Newsmiconda

Once again, we are committing to the program from the last years to give free event passes at next Kamailio World (May 14-16, 2018) to several people from academic environment (universities orRead More…

20Mar/18

New module: app_python3

March 20, 2018New Modules, Newsmiconda

A while ago app_python3 module was added to Kamailio’s GIT master branch (to be released as stable version 5.2.0 in several months), thanks to the development efforts of Anthony Alba. Although itRead More…

19Mar/18

Kamailio security announcement for the tmx and lcr modules

March 19, 2018Newshenning

Overview Reference: CVE-2018-8828 We strongly advise you to update your Kamailio installation to the latest stable release for security reasons. All supported releases (4.4, 5.0. and 5.1) contains two important security fixesRead More…

14Mar/18

Kamailio At Fossasia Summit 2018

March 14, 2018Newsmiconda

Daniel-Constantin Mierla, co-founder of Kamailio, will give a presentation at Fossassia Summit 2018, event taking place in Singapore, during March 22-25. It is the largest conference in Asia gathering a consistent groupRead More…

09Mar/18

Kamailio At Asterisk Africa Conference 2018

March 9, 2018Events, Newsmiconda

Alex Balashov from Evariste Systems, one of our Kamailio management team members, went the long route from Atlanta, USA, to Johannesburg, South Africa, to participate at Asterisk Community Conference Africa 2018, eventRead More…

01Mar/18

Kamailio v5.1.2 Released

March 1, 2018News, Releasesmiconda

Kamailio SIP Server v5.1.2 stable is out – a minor release including fixes in code and documentation since v5.1.1. The configuration file and database schema compatibility is preserved, which means you don’t have toRead More…

27Feb/18

Kamailio v5.0.6 Released

February 27, 2018News, Releasesmiconda

Kamailio SIP Server v5.0.6 stable is out – a minor release including fixes in code and documentation since v5.0.5. The configuration file and database schema compatibility is preserved, which means you don’t have toRead More…

26Feb/18

Kamailio v4.4.7 Released

February 26, 2018News, Releasesmiconda

Kamailio SIP Server v4.4.7 stable is out – a minor release including fixes in code and documentation since v4.4.6. The configuration file and database schema compatibility is preserved, which means you don’t have toRead 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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