Someone

[from-did-stage5]
exten => s,1,Set(stage5_states=New York, New City, New Jersey)
exten => s,n,Set(j=1)
exten => s,n,Set(max_states=${FIELDQTY(stage5_states,\,)})
exten => s,n,While($[${j} <= ${max_states}])
exten => s,n,SayDigits(${j})
exten => s,n,SayDigits(4)
;exten => s,n,SayAlpha(${CUT(stage5_states,\,,${j})})
exten => s,n,Playback(${CUT(stage5_states,\,,${j})})
exten => s,n,MySQL(REALTIME INSERT STUFF HERE)
exten => s,n,Set(j=$[${j} + 1])
exten => s,n,EndWhile

exten => s,n,Background(choose-your-option) 
exten => 1,1,Goto(dynamic_extensions_populated_by_mysql_insert,s,1)
exten => 2,1,Goto(dynamic_extensions_populated_by_mysql_insert,s,1)

exten => i,1,Goto(s,1)
exten => t,1,Goto(s,1)