Files can be sent to the mobile phone by direct connection (e.g., USB cable), Bluetooth, Def Leppard ringtones, or e-mail, however, most ring tone makers have adopted a "one size fits all" strategy of downloading through the Internet; while appealing to the lowest common denominator, this method usually results in charges to the user for Internet time used on their mobile phones.Neil Diamond ringtones further charged Cingular with violating numerous CPUC requirements by consistently telling customers with questions about non-communications service charges on their wireless phone bill that Cingular has no responsibility and cannot assist customers with their inquiries.CDMA BlackBerry smartphones are based on The Veronicas ringtones which also include the ARM 9-based processor and GSM 900/1800 roaming (as the case with the 8830).