[macro-dial]
 exten = s,1,DBput(RepeatDial/${CALLERIDNUM}=${MACRO_EXTEN})
 exten = s,2,Dial(Local/${MACRO_EXTEN}@router)
 exten = s,3,Busy

 [app-redial]
 ; Repeat last dialled number
 exten = *5,1,DBget(temp=RepeatDial/${CALLERIDNUM})
 exten = *5,2,Dial(Local/${temp}@router) ; Last known

 ; No RepeatDial key
 exten = *5,102,Congestion