Switch your call signal (beep, beep) for a music, a message or a sound. Define your pattern RingBack Tone or create your own melody. It's possible to have a ringback tone associated to all your contacts or just one. It's also possible to associate several ringback tones to different contacts. If you wish you can aldo personalize your ringback tone, all you have to do is to record a sound file and apply it to your account. Try it, it's quite easy and lot's of fun!