Thousands of ringtones on! Here you can download a free call of ringtones for your iPhone or mobile. Scope out your favorite snippet from your favorite ballad - Call of Duty vs Battlefield OST, Metallica - The Call Of Ktulhu, Call Of Duty 3 Main Title, or any other track. You may get your tune both in the MP3 and m4a formats, supported by both mobile phones and iPhones. Just select a track, and choose free call of ringtones download option.