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

Claim 0:
1. A method comprising:
sending, by a User Equipment (UE), an invite request to a server in a wireless network to initiate a Voice over New Radio (VoNR), wherein the UE is connected with a first network entity of the wireless network, and wherein the invite request comprises a media feature tag that indicates support for Evolved Packet System (EPS) fallback (EPS FB);
receiving, by the UE, a response to the invite request, wherein the response includes the media feature tag;
initiating, by the UE, an EPS FB timer based on the media feature tag and a Quality of service (QoS) timer;
determining, by the UE, whether an EPS FB command is received from the server, wherein the EPS FB command indicates a handover (HO) from the first network entity to a second network entity; and
establishing, by the UE based on whether the EPS FB command is received from the server, a call over the second network entity.