[outgoing]

  ignorepat => 0
  exten => _X,1,Dial(Zap/g2/${EXTEN:1},120)
  exten => _X,2,Congestion()
  exten => _X,102,Congestion()

[raus]

  ;PSEUDO DIALTONE abspielen
  exten => s,1,Playtones(busy)

  exten => 0,1,Goto(outgoing,${EXTEN},1)

  exten => 1,1,Goto(isdn-unten,${EXTEN},1)

  exten => 2,1,Goto(isdn-oben,${EXTEN},1)

  exten => 5,1,Goto(analog,${EXTEN},1)

[isdn-unten]
  exten => _1X,1,Dial(Zap/g3/${EXTEN})
  exten => _1X,2,Congestion()
  exten => _1X,102,Congestion()

[isdn-oben]
  exten => 2X,1,Dial(Zap/g4/${EXTEN})
  exten => 2X,2,Congestion()
  exten => 2X,102,Congestion()

[analog]
  exten => _5X,1,Math(RV,${EXTEN:1:1}+12)
  exten => _5X,2,Dial(Zap/${RV}/${EXTEN:3})
  exten => _5X,3,SetCIDNum(${CALLERIDNUM})
  exten => _5X,4,Congestion()