[ext-park]
exten => 70,1,Answer
exten => 70,2,SetMusicOnHold(random)
exten => 70,3,ParkAndAnnounce(PARKED,60,SIP/01,70,4)
exten => 70,4,Macro(rg-inbound,20,tr)
exten => 70,5,Goto(aa-nooneavail,s,1)
exten => _7[1-5],1,ParkedCall(${EXTEN})