What are the pre-conditions for message aggregation in the MSGin5G Service?
The recipient UE's support an Application Server or the Message Gateway supports the MSGin5G Client capability.
The recipient UE's support an Application Server has established secured communication with the MSGin5G Server.
The recipient UE's support an MSGin5G Client or the Message Gateway supports the MSGin5G Client capability.
The recipient UE's support the MSGin5G Client capability.