In April 2005, the law firm of Callahan, McCune and Korn ringtones filed a class action lawsuit against Jamster! on behalf of a San Diego father and his ten-year-old daughter.Elton John 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.The latest GSM BlackBerry models (8100, 8300 and 8700 series) have an Intel PXA901 312 MHz processor, Alison Krauss and Union Station ringtones and 16 MB SDRAM.