Find "Phone"
Scroll to the profile icon and press the Navigation key.
Scroll to Advanced and press the Navigation key.
Highlight the active profile and press the Navigation key.
Scroll to Phone and press the Navigation key.
Set ring volume
Highlight the drop down list next to Volume and press the Navigation key.
Highlight the required ring volume and press the Navigation key.
Save and exit
Press the Menu key.
Scroll to Save and press the Navigation key.
Press Disconnect to return to standby mode.