1. From the home screen, press the Right Soft key.
   
2. Scroll to Settings, then press the Center Nav key.
   
3. Scroll to Profiles, then press the Center Nav key.
   
4. Scroll to the selected profile, then press the Left Soft key.
   
5. On Voice Call Ringtone, press the Center Nav key.
   
6. Scroll to the desired ringtone, then press the Center Nav key.