Asterisk – Installation, Administration – First Steps

Asterisk is a Linux based open sourced PBX in software. Asterisk allows connecting to VoIP (Voice over Internet Protocol) and PSTN (public switched telephone network) services and includes many features like: voice mail, automatic call distribution, conference calling and interactive voice response. Our journey starts from step by step installation of Debian system next goes through Asterisk installation. Explanations in details of configuration files. Everything with screenshots to allow easly to follow every step.