[macro-inboundcall]
exten = s,1,DBput(ReturnCall/${CALLERIDNUM}=${MACRO_EXTEN})
exten = s,2, ; dbget to find where to route to or agi
exten = s,3 dial
exten = s,4,Busy

[app-returncall]
exten = *69,1,DBget(temp=ReturnCall/${CALLERIDNUM})
exten = *69,2, ; play prompt
exten = *69,3, ; play last #
exten = *69,4,Hangup