Software installation ===================== We have chosen Debian Jessie as operating system, since all the software components we use provide packaging for it. CGRateS -------- **CGRateS** can be installed using the instructions found :ref:`here`. Kamailio_ --------- We got Kamailio_ installed via following commands: :: wget -O- http://deb.kamailio.org/kamailiodebkey.gpg | sudo apt-key add - echo "deb http://deb.kamailio.org/kamailio56 stretch main" > /etc/apt/sources.list.d/kamailio.list apt-get update apt-get install kamailio kamailio-extra-modules kamailio-json-modules Once installed we proceed with loading the configuration out of specific tutorial cases bellow. .. _Kamailio: https://www.kamailio.org/w/