Telephone and exchange (phone) server. Used for running the server itself, and managing an already running instance. More information: https://wiki.asterisk.org/wiki/display/AST/Home.
asterisk -r -vvv
asterisk -r -x "{{command}}"
asterisk -r -x "sip show peers"
asterisk -r -x "core show channels"
asterisk -r -x "voicemail show users"
asterisk -r -x "hangup request {{channel_ID}}"
asterisk -r -x "sip reload"