Patent ID: 8467792
Filing Date: 2013-06-18
Classification: H04L,H04W

Abstract:
1. An apparatus for wireless communication, the apparatus comprising: at least one processor configured to: communicate, a first call, from user equipment (UE) to second user equipment via a first cell, wherein the first call is one of a packet-switched (PS) call and a circuit switched call (CS); detect a triggering event to perform a PS-to-CS or CS-to-PS call handover; establish a second call from the UE to the second user equipment via the first cell in response to the triggering event while the first call is in progress at the first cell, wherein the second call is the PS call when the first call is the CS call, and wherein the second call is the CS call when the first call is the PS call; terminate the first call after establishing the second call; and perform a handover of the second call from the first cell to a second cell.