Instructions to download sources from GIT repository, specific for stable branch 4.4 (release series v4.4.x).

Direct download of sources from GIT for latest Kamailio v4.4.x.

  git clone --depth --no-single-branch 1 https://github.com/kamailio/kamailio kamailio
  cd kamailio
  git checkout -b 4.4 origin/4.4

Note: if your git client version does not support –no-single-branch command line parameter, then just remove it.