Patent ID: 11924691
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. A server comprising:
a memory;
a processor;
a communicator; and
an Evolved Packet System (EPS) fallback (EPS FB) controller, configured to:
receive an invite request from a User Equipment (UE), where the invite request comprises a media feature tag that indicates support for EPS FB;
send a response to the received invite request, wherein the response includes with the media feature tag;
send an EPS FB command to the UE, wherein the EPS FB command indicates a handover (HO) from a first network entity to a second network entity; and
allocate a dedicated bearer to the UE to establish a call by at least one of receiving a service request from the UE, allocating the dedicated bearer on successful Tracking Area Update (TAU), and receiving an update request from the UE when an EPS FB timer is expired.