[Asterisk-Users] Priority jump in AEL

[Kris Edwards]

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I use this macro for call screening:

[macro-screen]
exten => s,1,Wait(1)
exten => s,2,DBget(SCREENFILE=callerid/${CALLERIDNUM})
exten =>
s,3,ParkAndAnnounce(beep:beep:callfrom:${SCREENFILE}:holdingonexten:PARKED:beep:beep:${SCREENFILE}:isholdingonext:PARKED|180|${ARG1}|${ARG2})
exten => s,103,Set(SCREENFILE=/var/lib/asterisk/sounds/names/${UNIQUEID})
exten => s,104,Playback(unknownid)
exten => s,105,Record(${SCREENFILE}:gsm|3)
exten => s,106,System(/usr/bin/normalize -g 6db ${SCREENFILE})
exten => s,107,DBput(callerid/${CALLERIDNUM}=${SCREENFILE})
exten =>
s,108,ParkAndAnnounce(beep:beep:callfrom:${SCREENFILE}:holdingonexten:PARKED:beep:beep:${SCREENFILE}:isholdingonext:PARKED|40|${ARG1}|${ARG2})


I'm trying to convert my dialplan to ael, but I don't get how to handle
the jump if there is no entry in the database for the caller.  I'm
guessing it's an if statement, but what does the db return if there is
no entry? 0, null??  If somebody could get me started with what that
staement should be (at 103) then I should be good to go.
(If this is a stupid question or explained elsewhere, feel free to let
me know)

Thanks,

Kris
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