B.1 General

22.0783GPPCustomised Applications for Mobile network Enhanced Logic (CAMEL)Release 17Service descriptionStage 1TS

When a mobile originated or mobile terminated IPMM session is detected by the IM CN subsystem, the IM CN subsystem shall decide whether the CSE shall be contacted. If the CSE is contacted the IM CN subsystem shall provide information which includes information taken from the IPMM session and information previously stored in the IM CN subsystem. When the IM CN subsystem contacts the CSE, the IM CN subsystem shall suspend the handling of the IPMM session and make contact with a CSE to ask for instructions.

The IM CN subsystem shall accept the instructions from the CSE and continue IPMM session processing with the received information.