32.240: Telecommunication management; Charging management; Charging architecture and principles

Info Page @ 3GPP
Rel-14
v14.0.0
Rel-13
v13.2.0
Rel-12
v12.6.0
Rel-11
v11.7.0
Rel-10
v10.1.0
Rel-9
v9.2.0
Rel-8
v8.6.0
Rel-7
v7.2.0
Rel-6
v6.4.0