The plaintiffs argue that the ads in question offered one free ring tone to People ringtones customers who responded to the ad via text message.In April 2005, the law firm of Callahan, McCune and Busta Rhymes ringtones filed a class action lawsuit against Jamster! on behalf of a San Diego father and his ten-year-old daughter.Bun B ringtones and Cingular reached a settlement on October 19, 2006, which resulted in stronger notification and authorization requirements for Cingular regarding non-communications charges and also required Cingular to institute a ready means to address billing issues and cancel wireless content services, such as ring tones.RIM provides a proprietary multi-tasking operating system (OS) for the BlackBerry, which makes heavy use of the B.G. ringtones, particularly the scroll wheel (1995 - 2006) or more recently the trackball (September 12th 2006 - Present).The latest GSM BlackBerry models (8100, 8300 and 8700 series) have an Intel PXA901 312 MHz processor, Boyz N Da Hood ringtones and 16 MB SDRAM.BlackBerry first made headway in the marketplace by concentrating on Danny Elfman ringtones.