Patent ID: 11937132
Assignee: APPLE INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. One or more non-transitory computer readable media having instructions stored thereon that, when executed by a system, cause the system to perform operations comprising:
generating a handover request including a handover reason of no presence of quality of service (QoS) flow for a voice signal to a user equipment (UE);
receiving a handover command generated by an access and mobility management function (AMF) to transfer the UE from one or more 5G systems (5GS) to an Evolved Packet System (EPS) based on the handover request;
transmitting or causing to transmit the handover command to the UE for the UE to establish a connection with the EPS; and
after a flow of the voice signal has terminated, re-establishing a connection with the UE to reconnect the UE to the one or more 5GS, wherein the connection with the UE is re-established based on a target ID of a base stations (BS).