Listen to voice messages
When you cannot answer, you can divert calls to your voice mailbox and listen to your messages later.
The voice mailbox is a network service to which you may need to subscribe. For more information, contact your service provider.
On the home screen, press and hold 1.
Save your voice mailbox number
Select Menu > Messaging > Voice messages and Voice mbox. no..
Enter your voice mailbox number, and select OK.