Hi I'm using the following lua script to add some users taken as argument to a conference: session:execute('answer'); session:setVariable('api_hangup_hook','conference paging kick all'); --kick out all page devices on hangup session:setVariable('conference_auto_outcall_timeout','5'); --?? session:setVariable('conference_auto_outcall_flags','none') --you can mute page devices session:setVariable('conference_auto_outcall_announce','tone_stream://%(500,200,800);loops=3') for i,v in ipairs(argv) do session:execute('conference_set_auto_outcall','user/'..v) end session:execute('conference','paging@default'); this is working fine and all members are connected to conference. now I need to start playing a file into conference. currently I'm using caller-controls part of conference.conf.xml to play the file when a caller presses the 0 key: ... <caller-controls> <group name="default"> <control action="execute_application" digits="0" data="playback applications/2/test.mp3"/> ... </group> </caller-controls> .... now when each member presses 0 the file is played but just to the member which pressed the 0 key. how can I make it to play the file for all conference members?