Which 3GPP specification describes charging management, charging architecture, and principles?

seenagape

9 years ago

Which 3GPP specification describes charging management, charging architecture, and
principles?

A.
3GPP-TS-32.240

B.
3GPP-TS-32.295

C.
3GPP-TS-32.297

D.
3GPP-TS-32.299