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

Claim 3:
4. The method as claimed in claim 1, wherein establishing the call over the second network entity comprises:
detecting, by the UE, that the EPS FB timer is expired;
performing, by the UE, the HO from the first network entity to the second network entity when the EPS FB timer is expired;
re-initiating, by the UE, the EPS FB timer;
detecting, by the UE, that a Tracking Area Update (TAU) is updated successfully with the second network entity;
determining, by the UE, 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
establishing, by the UE, 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.