Ringtone is the sound or melody that plays when receiving a call on the phone. There are different types of ringtones for phones, from traditional ringtones to personalized tunes. Modern mobile phones often provide a variety of default ringtones that users can choose from. These ringtones can be pre-installed tunes or excerpts of popular songs. Some phones also allow users to download additional ringtones from the Internet or other sources. It should be noted that ringtones may vary between phone models and personalization features may also vary.