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

Claim 14:
15. The UE as claimed in claim 13, wherein establish the call over the second network entity comprises:
detect that the EPS FB timer is expired;
perform the HO from the first network entity to the second network entity when the EPS FB timer is expired;
re-initiate the EPS FB timer;
detect that a Tracking Area Update (TAU) is updated successfully with the second network entity;
determine whether the dedicated bearer is allocated to the UE from the server to establish the call over the second network entity when the TAU is updated successfully with the second network entity; and
establish the call over the second network entity based on whether the dedicated bearer is allocated to the UE from the server, wherein the server terminates the EPS FB timer and the QoS timer.