[default]
exten => _X.,1,SetVar(OLDEXTEN=${EXTEN})
exten => _X.,2,NoOp("GOING IN")
exten => _X.,3,gotoif($[${ACCOUNTCODE} = 99999]?recording|norecording)

exten => recording,1,NoOp("RECORDING ENABLED")
exten => recording,2,SetVar(CALLFILENAME=${TIMESTAMP}-${CALLERIDNUM})
exten => recording,3,Monitor(wav,${CALLFILENAME},m)
exten => recording,4,GoTo(extensions|${OLDEXTEN}|1)

exten => norecording,1,NoOp("RECORDING DISABLED")
exten => norecording,2,goto(extensions|${OLDEXTEN}|1)

[extensions]
exten => 600,1,Echo
exten => 800,1,VoicemailMain
...etc...