kamailio-announce

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66 discussions

Kamailio v6.1.3 Released
by Fred Posner 27 May '26

27 May '26

From Daniel-Constantin Mierla: Hello, Kamailio SIP Server v6.1.3 stable release is out. This is a maintenance release of the latest stable branch, 6.1, that includes fixes since the release of v6.1.2. There is no change to database schema or configuration language structure that you have to do on previous installations of v6.1.x. Deployments running previous v6.1.x versions are strongly recommended to be upgraded to v6.1.3. For more details about version 6.1.3 (including links and guidelines to download the tarball or from GIT repository), visit: - https://www.kamailio.org/w/2026/05/kamailio-v6-1-3-released/ RPM, Debian/Ubuntu packages will be available soon as well. Many thanks to all contributing and using Kamailio! Cheers, Daniel Daniel-Constantin Mierla (@ asipto.com) twitter.com/miconda -- linkedin.com/in/miconda Kamailio Consultancy, Training and Development Services — asipto.com

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Security Advisories: Core And Auth Module (2026-04-07)
by Fred Posner 08 Apr '26

08 Apr '26

The Kamailio SIP Server project has released two security advisories on April 7, 2026. You can find the details here: - CVE-2026-39863: Core – TCP Data Processing Vulnerability (high) https://github.com/kamailio/kamailio/security/advisories/GHSA-2wj4-f825-2h2f - CVE-2026-39864: Auth – Processing Vulnerability For Additional Authenticated User Identity Checks (moderate) https://github.com/kamailio/kamailio/security/advisories/GHSA-6m86-m342-g48m We strongly suggest updating your Kamailio installation to the latest stable version. The issues were found over the last few months and fixed quickly. The code related to these issues is a bit old, and we have not seen anyone exploit these vulnerabilities yet. But now that the CVE reports are out, there might be a higher chance of someone trying to use them. If you have any private thoughts about these advisories or want to report any new security problems, please reach out to security [at] lists.kamailio.org. Thanks for flying Kamailio! Regards, Fred Posner

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Kamailio v6.0.6 Released
by Fred Posner 06 Mar '26

06 Mar '26

Kamailio v6.0.6 Released Kamailio SIP Server v6.0.6 stable is out – a minor release including fixes in code and documentation since v6.0.5. The configuration file and database schema compatibility is preserved, which means you don’t have to change anything to update. See more: https://www.kamailio.org/w/2026/03/kamailio-v6-0-6-released/ Thank you for flying Kamailio! Regards, Fred Posner Contact via https://fredoso.com

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Kamailio v5.8.8 Released
by Fred Posner 06 Mar '26

06 Mar '26

Kamailio v5.8.8 Released Kamailio SIP Server v5.8.8 stable is out – a minor release including fixes in code and documentation since v5.8.7. The configuration file and database schema compatibility is preserved, which means you don’t have to change anything to update. Note that 5.8.x is currently the third last stable release series, the latest is 6.1.x and v6.1.1 was released on Mar 4, 2026. The v5.8.8 is the last release planned in the 5.8.x series. See more: https://www.kamailio.org/w/2026/03/kamailio-v5-8-8-released/ Regards, Fred Posner Contact via https://fredoso.com

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Kamailio SIP Server v6.1.0 released
by Fred Posner 18 Feb '26

18 Feb '26

Kamailio SIP Server v6.1.0 has been released, marking a significant upgrade. This release introduces a substantial number of new features and enhancements to existing components. Overview of new features in v6.1.0 Highlights - four new modules - many new configuration file parameters and functions - option to turn on multi-threaded TLS operations - improved arm64 support (stdatomic and pthread locking) - ability to provide file age with time expression for sipdump module - option to apply SIP request processing changes inside transaction route branch execution - functions to implement SIPREC together with RTPEngine - logging TLS keys with option to send to a remote peer - support to hash with SHA-512 and SHA-512-256 for user authentication - transaction UAC functions and RPC commands for fine control of locally initiated calls - option to establish multiple TLS connections with different TLS domains to the same host:port target - per via-branch flags with ability to store inside SIP message parameter and retrieve back - new dispatcher algorithm to combine round-robing and priority-based routing - ability to set binary body via hex-encoded parameters - RPC commands to get and set (when enabled) module parameters at runtime - option to automatically apply changes before transaction is created - new generic core parameter definition framework - internal hash table dmq replication for rtpengine module - new variables and transformations Summary Of New Features - four new modules: - auth_arnacon – enhanced version of IMS QoS implementation - auth_web3 – HTTP2 server module implementation - peerstate – presence support for Device FeatureKey Synchronization - ptimer – evaluation of template files with config variables - new functions to perform atomic increment, decrement and check if an item exists - sentinel support also for db_redis module - millisecond precission also for CDR-at-once accounting - option to select the internal random engine - support to send REFER to an existing dialog matched by Call-Id - support for larger JavaScript files for KEMI app_jsdt module - option to switch from sets to hashes with auto-expire for db_redis module - support for hexadecimal flags format in the dispatcher list file - internal unique id per destination record in dispatcher to facilitate RPC management - support for as-feature-event in pua_json module - statistics for 1xx replies of sl module - ability in config to check if a connection is alive by remote `addr:port` - option to set per-instance unique id, made available via configuration variable - JSON-Path with custom path separator via json module - support for 32bit and 64bit integer keys in htable module - option to match the longest subnet for permission module - ability to check flow token from config for outbound module - option to remove inactive peers from DMQ cluster - variable to return encoded Call-Id from topoh module - core parameter to set the value for tcp listen backlog - topos option to update record time on requests within dialog - basic JSONRPC support for kamcmd Project achievements during v6.1.0 development cycle - the development of the project approaches 25 years of activity - it is the 28th public major release in the history of project (SER project went out first with v0.8.x) - the 14th edition of the conference Kamailio World, is scheduled for May 7-8, 2026, in Berlin, Germany - presentations at several other events such as: Cluecon, Fosdem, Astricon, OSMNT - continuous development at high pace – the project has over 40 000 commits to the master branch (about 1500 commits done for v6.1.0 alone from more than 50 different contributors) Downloading v6.1.0 You can download the tarball of the released sources at: - https://www.kamailio.org/pub/kamailio/latest-6.1.x/src/ Binary packages for several distributions can be found at: - https://www.kamailio.org/pub/kamailio/latest-6.1.x/bin/ - https://www.kamailio.org/pub/kamailio/latest-6.1.x/packages/ - https://www.kamailio.org/wikidocs/packages/debs - https://www.kamailio.org/wikidocs/packages/rpms Packages will be uploaded promptly after their development by developers (Debian and Ubuntu deb packages, as well as RPMs for CentOS, RedHat, Fedora, and OpenSUSE) or upon community submission for other operating systems. A step by step installation tutorial is available at: - https://kamailio.org/docs/tutorials/6.1.x/kamailio-install-guide-git/ Documentation - Modules’ documentation: https://www.kamailio.org/docs/modules/6.1.x/ - Cookbooks and more wiki docs: https://www.kamailio.org/wikidocs/ - Migration guide: https://www.kamailio.org/wiki/install/upgrade/6.0.x-to-6.1.0 - Alphabetic indexes: for modules’ functions, parameters and control commands Useful links: - Install and maintain Kamailio 6.1.x from GIT repository - Commit ChangeLog for Kamailio 6.1.0 - Kamailio 6.0.x Release Notes – the previous major release Many thanks to those contributing with code, helping to test, or advocating the project! We are looking forward to meeting many of you at events around the world (online or in person), and invite you to join the efforts to improve Kamailio! Thanks for flying Kamailio!

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Kamailio v6.0.3 Released
by Fred Posner 10 Sep '25

10 Sep '25

Greetings, Kamailio SIP Server 6.0.3 stable version has been released. Deployments running previous v6.0.x versions are strongly recommended to be upgraded to v6.0.3. -—fred > On Sep 10, 2025, at 5:10 AM, Daniel-Constantin Mierla via sr-dev <sr-dev(a)lists.kamailio.org> wrote: > > Hello, > > Kamailio SIP Server v6.0.3 stable release is out! > > This is a maintenance release of the latest stable branch, 6.0, that > includes fixes since the release of v6.0.3. There is no change to > database schema or configuration language structure that you have to do > on previous installations of v6.0.x. Deployments running previous v6.0.x > versions are strongly recommended to be upgraded to v6.0.3. > > For more details about version 6.0.3 (including links and guidelines to > download the tarball or from GIT repository), visit: > > * https://www.kamailio.org/w/2025/09/kamailio-v6-0-3-released/ > > RPM, Debian/Ubuntu packages will be available soon as well. > > Many thanks to all contributing and using Kamailio! > > Cheers, > Daniel

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Donating To Kamailio Project
by Fred Posner 07 Apr '25

07 Apr '25

Good morning, The Kamailio Project now has a method of providing donations to support the project. Details below from Daniel-Constantin Mierla: Hello! Over the years, there have been discussions about what options could be made available to donate to Kamailio project in order to support its required infrastructure, administrative or development of complex components. Creating a foundation or using a crowdfunding platform have been explored, trying to take in consideration the needed man power and overhead, the transparency and accountability. To move forward on this matter, the Kamailio management team has decided to use Open Collective, with the fiscal host Open Collective Europe, as the platform for accepting and managing donations, more details, including the link where donations can be made, are published at: - https://www.kamailio.org/w/donations/ The donations should target either the support of project administration or the development of new feature, therefore before donating it is recommend to email to <management [at] lists.kamailio.org> providing some details about the scope of your donation. We also plan to discuss about it at the next Kamailio World Conference: May 12-13, 2025, organized again in Berlin, Germany, where many developers and members of the management board and our community get together, being a good opportunity to clarify and decide how to use the donations. More details about the event at: - https://www.kamailioworld.com Thanks for flying Kamailio! Cheers, Daniel

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Kamailio v5.8.6 Released
by Fred Posner 20 Mar '25

20 Mar '25

From Daniel-Constantin Mierla: Kamailio SIP Server v5.8.6 stable release is out. This is a maintenance release of the latest stable branch, 5.8, that includes fixes since the release of v5.8.5. There is no change to database schema or configuration language structure that you have to do on previous installations of v5.8.x. Deployments running previous v5.8.x versions are strongly recommended to be upgraded to v5.8.6. For more details about version 5.8.6 (including links and guidelines to download the tarball or from GIT repository), visit: * https://www.kamailio.org/w/2025/03/kamailio-v5-8-6-released/ RPM, Debian/Ubuntu packages will be available soon as well. Note that 5.8.x is currently the previous stable release series, the latest is 6.0.x and v6.0.1 was released on March 10, 2025. Many thanks to all contributing and using Kamailio! Cheers, Daniel -- Fred Posner Tel: +1 (352) 664-3733 Alt: +1 (224) 334-3733 Contact info at https://fredp.xyz

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Kamailio v6.0.1 Released
by Fred Posner 10 Mar '25

10 Mar '25

Greetings, Kamailio SIP Server v6.0.1 stable release is out. From Daniel-Constantin Mierla: "This is a maintenance release of the latest stable branch, 6.0, that includes fixes since the release of v6.0.1. There is no change to database schema or configuration language structure that you have to do on previous installations of v6.0.x. Deployments running previous v6.0.x versions are strongly recommended to be upgraded to v6.0.1.” https://www.kamailio.org/w/2025/03/kamailio-v6-0-1-released/ Thank you for flying Kamailio

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Kamailio v6.0.0 Released - new major version is out
by Fred Posner 29 Jan '25

29 Jan '25

Greetings! From Daniel-Constantin Mierla, Co-Founder/Core Developer: Kamailio v6.0.0 is out – it comes with 5 new modules and important updates to the core components and existing modules. The increment of the first version number reflects several important updates, among them: multi-threaded option for UDP receiving, option for specifying a range of ports to listen to, support for expressions with variables for most of the module functions parameters, internal libraries are directly inked to the core, support to use cmake to compile and install Kamailio. You can read a bit more detailed release notes at: * https://www.kamailio.org/w/kamailio-v6.0-0-release-notes/ Many thanks to all developers and community members that made possible this release. v6.0.0 brings more flexibility and optimizations across many existing components and modules, new parameters, functions, variables and transformations. Enjoy Kamailio v6.0.0! Thank you for flying Kamailio! Daniel

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