[macro-trilug]
; Get a response from the server
exten => s,1,Set(triurl=${CURL(http://trilug.org/~kjotte/tarp/lookup.php?num=${ARG1})})
; Check if it's a URL we can call
exten => s,2,GotoIf($[$["${triurl:0:4}" = "SIP/"] | $["${triurl:0:5}" = "IAX2/"]]?10:3)
; If it's not, check for a simple not found in directory
; Failing that, something's broken
exten => s,3,GotoIF($["${triurl}" = "NOTFOUND"]?20:30)

; Dial
exten => s,10,Dial(${triurl})
exten => s,11,Hangup()

; Server returned a NOTFOUND
exten => s,20,Playback(num-not-in-db)
exten => s,21,Congestion()

; "Oops, you bwoke it."
exten => s,30,Playback(an-error-has-occured)
exten => s,31,Congestion()