[Asterisk-Users] Voice mail Greetings

[Michael D Schelin]

Hi all, What would cause the greetings not to play. The u command is 
supposed to play the unavailable greeting. It doesn't work. with this 
setup. Maybe I'm missing something. The voice prompts play well.  What 
do you think? Thanks

exten => 9007,1,VoicemailMain
exten => _.,2,Voicemail(u${EXTEN})
exten => _.,2,AbsoluteTimeout(180)
exten => _.,4,Congestion
exten => _.,5,Hangup