Idle State
The Idle State menu appears when your phone is not in use. Your system administrator can set these softkeys using the configuration files or the administrative options in the Aastra Web UI. For more information on idle state softkey configuration,contactyour system administrator.
The following imageis of the Idle State screenwith some example softkeys: !" 
If more than 6 softkeys have been set up for you, More and Back softkeys will be created as required. PressingtheMore softkey accesses more IdleState softkeys on the next screenwhile pressing the Back softkey accesses the softkeysonthe previousscreen.
The envelope icon 
displays on the Idle State screen only if
you have new messages waiting. The number next to the envelope indicates how many new messages you have. To access your voicemail messages, use the star codes for your system if a voicemail softkey has not been configured on your phone.
8480i IP Phone User Guide
For more information on your system’s star codes, please refer to the documentation for the system you are using.