STEP 1 Press Setup.
STEP 2 Scroll to User Preferences and press Select.
STEP 3 Scroll to Audio Preferences and press Select.
STEP 4 Scroll to the extension for which you want to select a ring tone and press the Right Arrow key.
STEP 5 Scroll through the ring tones and press Select to choose the highlighted ringtone for that extension. Press Play to hear the highlighted ring tone.