Patent ID: 11943733
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. The terminal of claim 11, wherein the controller is configured to:
identify that the terminal is in an abnormal case and a second timer expires;
in case that the second timer expires, and in case that a procedure for the service request is for a request for the MO-IMS-registration-related IMS signal, control to cause the NAS layer to deliver a notification indicating that the service request has not been initiated by the terminal having a third timer to the application layer;
identify that the terminal is in the abnormal case and that a first timer is running; and
in case that the first timer is running, and in case that the procedure for the service request is for the request for the MO-IMS-registration-related IMS signal mapped to the access category information 9, control to cause the NAS layer to deliver a notification indicating that the procedure has not been initiated due to network congestion to the application layer.