Something
public text v1 · immutable[115043379]
;exten => _NXXXXXX,1,SetCallerID(XXXXXXXXXX)
;exten => _NXXXXXX,2,Dial,IAX2/purrdeta@115043379${EXTEN}
exten => _1NXXNXXXXXX,1,SetCallerID(XXXXXXXXXX)
exten => _1NXXNXXXXXX,2,Dial,IAX2/purrdeta@115043379/${EXTEN}
exten => _X.,3,Hangup