Supported Interfaces
PCF and other NFs in 5GC use the following:
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Rx– Reference point for interworking with AF, PCRF, and PCF
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N7– Reference point between PCF and SMF
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N15– Reference point between PCF and AMF
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N28– Reference point between PCF and CHF
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N36– Reference point between PCF and UDR
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LDAP– Reference point between PCF and external subscriber profile