Anonymous

exten => 219,1,DBget(temp=DND/${EXTEN})     ; Get DND key
exten => 219,102,Goto(${EXTEN},3)                        ; DND key is NOT set
exten => 219,2,Goto(${EXTEN},6)                         ; DND key is set
exten => 219,3,DBget(temp=FORWARD/${EXTEN}) ; Get forwarding key
exten => 219,104,Goto(${EXTEN},5)                        ; Forwarding key is NOT set
exten => 219,4,Dial(Local/${temp}@from-sip)       ; Unconditional forward
exten => 219,5,DBGet(temp=ONPHONE/${EXTEN})
exten => 219,106,Goto(219,7)
exten => 219,6,Goto(217,1)
exten => 219,7,DBPut(ONPHONE/${EXTEN}=1)
exten => 236,8,SetVar(queueCalled=${EXTEN})
exten => 236,9,Dial(SIP/${EXTEN},15,tr)
exten => 219,10,DBDel(ONPHONE/${EXTEN})
exten => 219,11,Goto(plant_operator,s,1)