DIFF Subgroup
H04L 12/141 Full Title
Data switching networks (interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units G06F13/00) > Details > Charging, metering or billing arrangements specially adapted for data communications, e.g. authentication, authorisation and accounting [AAA] framework
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.