Version History 

Definition 

Charging Gateway Function (CGF) is defined using the Charging architecture and principles outlined by 3GPP TS32.240 (Ref 1), and 3GPP TS32.295 (Ref 2) as the baseline. It is constructed as a set of capabilities to facilitate charging for telecom network connectivity services delivered by the CSP using 3G/4G networks (GPRS/EPC), characterized by, and limited to:

• CGF Architecture options
• Charging Data Function (CDF) integrated in the Network Element (NE), interfacing the CGF using the Ga interface (GTP’).
• Charging Data Function (CDF) as a stand-alone element, interfacing the CGF using the Ga interface (GTP’), or using an alternate supported interface
• Output Data Targets
• Billing Domain (BD) functions via the Bx, and/or vendor proprietary, interfaces
• Interconnect billing platforms
• Roaming settlement platforms
• Revenue Assurance systems
• Fraud Management systems
• Analytics and reporting platforms
• Data warehouse and data lake systems
• Commercial Models and purposes
• Direct B2C connectivity 
• Direct B2B connectivity
• Telecom network inbound roaming
• Telecom network outbound roaming

This Right to Use (RTU) grants the licensee the right to use DigitalRoute’s Usage Engine – Private Edition software in accordance with this definition.