Build and run FreeSWITCH This is based on debian wheezy, and uses master FreeSWITCH . You can switch to stable when cloning. In my experience this is the quickest way to get to a working, vanilla setup that you can use to automate tests with PJSUA (the PJSIP command-line client). mkdir git cd git # To get master git clone https://stash.freeswitch.org/scm/fs/freeswitch.git cd git/freeswitch ./bootstrap.sh -j # If changes are needed to the list of modules to be compiled vi modules.conf ./configure --enable-core-pgsql-support make sudo make install # Launch FS (in foreground) sudo /usr/bin/freeswitch You can find here the process for building it from source recommended by the FreeSWITCH team. In /etc/freeswitch/vars.xml you may want to change the default password in: cmd="set" data="default_password=XXXXXXXX" If you're enabling SILK , add it to the list in modules.conf.xml : load module="mod_silk" and add it to global_codec_prefs ...