Asterisk: The Definitive Guide, 3rd Edition

DesignacompleteVoIPoranalogPBXwithAsterisk,evenifyouhavenopreviousAsteriskexperienceandonlybasictelecommunicationsknowledge.Thisbestsellingguidemakesiteasy,withadetailedroadmaptoinstalling,configuring,andintegratingthisopensourcesoftwareintoyourexistingphonesystem.IdealforLinuxadmini