8.2.50 Volume Quota

8.2.48 Quota Holding Time

8.2.47 Time of Last Packet

8.2.46 Time of First Packet

8.2.44 Volume Measurement

8.2.45 Duration Measurement

8.2.41 Usage Report Trigger

8.2.42 Measurement Period

8.2.43 Fully qualified PDN Connection Set Identifier (FQ-CSID)

8.2.40 Measurement Method