You can select different ring types to distinguish different lines or phones from 
each other.

To change the incoming ring type:

1. Press .
2. Select Settings > Basic > Ring Type.
3. If multiple lines are configured on your phone, first select the line to change from the list using the arrow keys.
4. Scroll to select the desired ring type. 
To hear the selected ring type, press the Play soft key.

5. Press the Select soft key to change to the selected ring type.