Appendix

Activity test AT 1 3 Short Apply charging ACH 2 2 Short Apply charging report ACR 2 2 Short Assist request instructions ARI 2 2 Short Call gap CG 3 4 Short Call information report CIRp 2 4 Short Call information request CIRq 2 2 Short Cancel CAN 2 2 Short Collect information CI 4 (Rel-7) 2 Short Connect CON 1 2 Short Connect to resource CTR 2 2 Short Continue CUE 1 4 Short Continue with argument CWA 3 2 Short Disconnect forward connection DFC 2 2 Short Disconnect forward connection with argument DFCWA 4 2 Short Disconnect leg DL 4 1 Short Entity released EL 4 4 Short Establish temporary connection ETC 2 2 Medium Event report BCSM ERB 1 4 Short Furnish charging information FCI 2 2 Short Initial DP IDP 1 2 Short Initiate call attempt ICA 4 1 Short Move leg ML 4 1 Short Play announcement PA 2 2 Long Prompt and collect user information PC 2 1 Long Play tone PT 4 2 Short Release call RC 1 4 Short Request report BCSM RRB 1 2 Short Reset timer RT 2 2 Short Send charging information SCI 2 2 Short Split leg SL 4 1 Short Specialized resource report SRR 2 4 Short