Kamailio SIP Server v4.3.3 stable is out – a minor release including fixes in code and documentation since v4.3.2 – configuration file and database compatibility is preserved.

Kamailio (former OpenSER) v4.3.3 is based on the latest version of GIT branch 4.3, therefore those running previous 4.3.x versions are advised to upgrade. There is no change that has to be done to configuration file or database structure comparing with older v4.3.x.

Resources for Kamailio version 4.3.3

Source tarballs are available at:

Detailed changelog:

Download via GIT:

# git clone git://git.kamailio.org/kamailio kamailio # cd kamailio # git checkout -b 4.3 origin/4.3

Binaries and packages will be uploaded at:

Modules’ documentation:

What is new in 4.3.x release series is summarized in the announcement of v4.3.0: