Listen to voice messages
When you can't answer, you can divert calls to your voice mailbox and listen to your messages later.
You may need a voice mailbox subscription. For more information on this network service, contact your service provider.
Select Menu > Messaging > More > Voice messages and Voice mailbox number.
Enter your voice mailbox number, and select OK.
To call your voice mailbox, on the home screen, press and hold 1.