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3GPP Gx  Application ( 16777238 )

The Gx reference point is located between the Policy and Charging Rules Function (PCRF) and the Policy and Charging Enforcement Function (PCEF). The Gx reference point is used for provisioning and removal of PCC rules from the PCRF to the PCEF and the transmission of traffic plane events from the PCEF to the PCRF. The Gx reference point can be used for charging control, policy control or both by applying AVPs relevant to the application. The Gx reference point can also be used for application’s traffic detection and control.
Reference:  3GPP TS29.212   View



Re-Auth-Request Gx 258
Re-Auth-Answer Gx 258
Credit-Control-Request Gx 272
Credit-Control-Answer Gx 272