Something
public text v1 · immutable[macro-regular]
exten => s,1,Set(CALLERID(all)=${ARG2})
exten => s,2,Dial(${ARG1},50,g)
exten => s,3,Goto(s-${DIALSTATUS},1)
exten => s-BUSY,1,Playback(is-curntly-busy)
exten => s-BUSY,2,Hangup
exten => s-NOANSWER,1,Playback(number-not-answering)
exten => s-NOANSWER,2,Hangup
exten => s-ANSWER,1,Hangup