############ PBX Features ############ In the previous block we have successfully make internal and external calls with just a minimum configuration, based on the base data left by the installer itself and ignoring a lot of the sections and features. The goal of this section will be describe each one of those features that are also included in IvozProvider. .. toctree:: :maxdepth: 1 :caption: Basic concepts extensions terminals call_permissions users friends music_on_hold .. toctree:: :maxdepth: 1 :caption: External numbers sounds outgoingddi_rules external_filters match_lists route_locks conditional_routes huntgroups queues ivrs conference_rooms external_ddis .. toctree:: :maxdepth: 1 :caption: Additional features call_captures services call_recording