Method and network node for handling a service setup for a user equipment

A serving core network node in a communications network, for handling a service setup for a target User Equipment (UE) located in the communications network, the serving core network node comprising:

• at least one processor;
• and
• a memory containing instructions which, when executed by the at least one processor, cause the serving core network node to:
• receive a service setup request directed towards the target UE;
• and
• send a ping message to the target UE in response to the service setup request prior to a completion of a terminating service handling procedure of the serving network, wherein the terminating service handling procedure is completed when the service setup request is forwarded from a serving core network towards the target UE.