 CSG International provides software and services for managing customer data , analyzing that data , enterprise security , billing and customer service . For example , customer service representatives may use CSG systems to lookup a consumer 's records and add a new service , or business analysts may mine customer data for trends . According to the company 's website , its four primary product areas are revenue management , content management & monetization , customer interaction management and enterprise security . CSG also prints and mails billing statements to consumers and provides call @-@ center services . 
