The lawsuit alleges that Jamster! scammed cellular telephone customers through the use of fraudulent and deceptive Pearl Jam ringtones.Utility Consumers' Action Network (UCAN), a non-profit Styx ringtones consumer advocacy organization, filed a complaint with the California Public Utilities Commission (CPUC) against Cingular Wireless for the unauthorized billing of non-communications related charges, such as ring tones.The devices are very popular with some businesses, where they are primarily used to provide Tracy Chapman ringtones access to roaming employees.