Offline Charging allows Subscribers to consume the service without an upfront balance check or balance reservation. Post Service consumption, service usage records in the form of files & batches are processed for charging the Customers. These service usage files are also known as Charging Data Records (CDRs) or Event Data Records (EDRs). As it's not practical to send these large no. of files (which can be of different formats) through different Network nodes directly to the billing system, they are first mediated via a system known as Mediation. It sits between the Network layer and the BSS layer. Mediation system performs operations like: Raw CDRs Collections via PUSH or PULL method. CDRs file format can be ASCII, CSV, Binary, TAP, XML. Validating, Filtering & Parsing the CDRs. Processing/Enriching the records as per the Northbound systems (like Rating Engine, Interconnect System, Roaming Clearinghouse, RA, FMS, Reporting, etc.) requirements. Distributing the pr...
