When I use my phone along with the bluetooth headset, it will only ring with the factory ringtone... to send my personalized ringtones from my phone to the bluetooth, but the... when you aren't using your bluetooth headset that the ringtone is different... phone for a menu selection called ringtones, profiles, connectivity
The best place is to go to your phone service provider's internet web page. There you can sample their ring tones and then charge the ones you purchase directly to your cell phone bill. You can also try to go to your favorite artists' internet sites as many offer free ring tone downloads.