Use this procedure to view and change your Visual voicemail inbox settings directly on your phone.
Procedure
Navigate to Main menu > Settings > Applications > Visual Voicemail and press Select.
Use the Toggle softkey to turn the following setting on or off:
Use Message key: When it is toggled off, the Message hard key is used to dial to IVR. When it is toggled on, the Message hard key is used to directly access your Visual voicemail inbox.