4Videosoft iPhone Ringtone Maker, iPhone M4R Ringtone Maker, can help you create/make iPhone ringtone from any DVD/video/audio file to iPhone M4R ringtone and transfer the ringtone to iPhone freely and directly. You can also trim the ringtone length from the source DVD, video and audio. It is also able to add the M4R ringtone to iPhone directly. And this software highly supports all Phone devices, even the new iPhone 4S.