Device assisted CDR creation, aggregation, mediation and billing

A non-transitory computer-readable storage medium storing one or more machine-executable instructions that, when executed by one or more processors of a network system, cause the one or more processors to:

• monitor data traffic over a wireless access network between a network system and a wireless mobile device, the network system being operated by or on behalf of a network operator;
• obtain a first accounting, the first accounting being an accounting of usage of the wireless access network associated with a first portion of the data traffic, the first portion of the data traffic uniquely identified with a particular application of a plurality of applications on the wireless mobile device, the particular application being responsible for the first portion of the data traffic, wherein a service sponsor sponsors at least a portion of the usage of the wireless access network associated with the first portion of the data traffic, the service sponsor being an entity other than a subscriber associated with the wireless mobile device and other than the network operator;
• obtain a second accounting, the second accounting being an accounting of usage of the wireless access network associated with a second portion of the data traffic, the second portion of the data traffic not including the first portion of the data traffic, the second accounting not accounting for the usage of the wireless access network associated with the first portion of the data traffic, the subscriber associated with the wireless mobile device being financially responsible for usage of the wireless access network associated with the second portion of the data traffic;
• and
• provide an accounting record to the service sponsor, the accounting record being based on the first accounting.