version 5.5.4

minor release including fixes in code and documentation since
v5.5.3. The configuration file and database schema compatibility is
preserved, which means you don’t have to change anything to update.

Kamailio® v5.5.4 is based on the latest source code of GIT branch 5.5
and it represents the latest stable version. We recommend those running
previous 5.5.x or older versions to upgrade.
There is no change that has to be done to configuration file or database
structure comparing with the previous releases of the v5.5 branch.

version 5.3.9

maintenance release of the old stable branch, 5.3, that
includes fixes since the release of v5.3.8. There is no change to
database schema or configuration language structure that you have to do
on previous installations of v5.3.x. Deployments running previous v5.3.x
versions are strongly recommended to be upgraded to v5.3.9 or even
better to v5.4.x or 5.5.x series.

For more details about version 5.3.9 (including links and guidelines to
download the tarball or from GIT repository), visit:

https://www.kamailio.org/w/2021/12/kamailio-v5-3-9-released/

version 5.5.3

minor release including fixes in code and documentation since v5.5.2. The configuration file and database schema compatibility is preserved, which means you don’t have to change anything to update.

Kamailio® v5.5.3 is based on the latest source code of GIT branch 5.5 and it represents the latest stable version. We recommend those running previous 5.5.x or older versions to upgrade.
There is no change that has to be done to configuration file or database structure comparing with the previous releases of the v5.5 branch.

version 5.4.7

minor release including fixes in code and documentation since v5.4.6.
The configuration file and database schema compatibility is preserved,
which means you don’t have to change anything to update.

Kamailio® v5.4.7 is based on the latest source code of GIT branch 5.4
and it represents the latest stable version. We recommend those running
previous 5.4.x or older versions to upgrade. There is no change that has
to be done to configuration file or database structure comparing
with the previous releases of the v5.4 branch.

Note that 5.4 is the second last stable branch, still officially maintained
by Kamailio project development team. The latest stable branch is 5.5, with v5.5.2 released out of it.

version 5.5.2

minor release including fixes in code and documentation since v5.5.1. The configuration file and database schema compatibility is preserved, which means you don’t have to change anything to update.

Kamailio® v5.5.2 is based on the latest source code of GIT branch 5.5 and it represents the latest stable version. We recommend those running previous 5.5.x or older versions to upgrade.
There is no change that has to be done to configuration file or database structure comparing with the previous releases of the v5.5 branch.

version 5.5.1

minor release including fixes in code and documentation since v5.5.0. The configuration file and database schema compatibility is preserved, which means you don’t have to change anything to update.

Kamailio® v5.5.1 is based on the latest source code of GIT branch 5.5 and it represents the latest stable version.
We recommend those running previous 5.5.x or older versions to upgrade.

There is no change that has to be done to configuration file or database structure comparing with the previous releases of the v5.5 branch.

version 5.4.6

maintenance release of the latest stable branch, 5.4, that
includes fixes since the release of v5.4.5. There is no change to
database schema or configuration language structure that you have to do
on previous installations of v5.4.x. Deployments running previous v5.4.x
versions are strongly recommended to be upgraded to v5.4.6.

Note that 5.4 is the second last stable branch, still officially
maintained by Kamailio development team. The latest stable branch is 5.5, with
v5.5.0 being release out of it.

For more details about version 5.4.6 (including links and guidelines to
download the tarball or from GIT repository), visit:

  * https://www.kamailio.org/w/2021/06/kamailio-v5-4-6-released/

version 5.5.0

New major release, bringing new features and improvements added during nine months of development and about 6 weeks of testing.

In short, this major release brings 6 new modules and enhancements to more than 80 existing modules, plus components of the core and internal libraries as well as optimizations for embedded interpreters (KEMI framework). Detailed release notes are available at:

https://www.kamailio.org/w/kamailio-v5-5-0-release-notes/

This is the fifth major release in the series of 5.x.y versions. Besides adding plenty of new features, a lot of development was directed to add more flexibility the dmq (distributed message queue), load balancer, http client, STIR/SHAKEN support, IMS/VoLTE, rtpengine and tls enhancements as well as to make available more functions to KEMI interface.

version 5.4.5

maintenance release of the latest stable branch, 5.4, that
includes fixes since the release of v5.4.4. There is no change to
database schema or configuration language structure that you have to do
on previous installations of v5.4.x. Deployments running previous v5.4.x
versions are strongly recommended to be upgraded to v5.4.5.

For more details about version 5.4.5 (including links and guidelines to
download the tarball or from GIT repository), visit:

https://www.kamailio.org/w/2021/04/kamailio-v5-4-5-released/

version 5.4.4

maintenance release of the latest stable branch, 5.4, that
includes fixes since the release of v5.4.3. There is no change to
database schema or configuration language structure that you have to do
on previous installations of v5.4.x. Deployments running previous v5.4.x
versions are strongly recommended to be upgraded to v5.4.4.

For more details about version 5.4.4 (including links and guidelines to
download the tarball or from GIT repository), visit:

https://www.kamailio.org/w/2021/02/kamailio-v5-4-4-released/