[OSL | CCIE_Voice] Unity Express w/ IP blue ?

[Erwan Erwan]

hi,
 
does anybody ever experience this ?
 
I hv config this and others also setup fine. 
 
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telephony-service 
    voicemail 3600
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however when I press "Message" button, it just ring busy, any idea what is 
wrong ?
 
Rgds,