Patent ID: 9219759
Filing Date: 2015-12-22
Classification: H04L,H04W

Abstract:
1. A method of transmitting a signal by a Mobility Management Entity (MME) in a wireless network, the method comprising: receiving a tracking area update message originated from a User Equipment (UE); and transmitting, to a Home Subscriber Server (HSS), based on reception of the tracking area update message to update location information of the UE, an update location message comprising information to indicate whether an IP Multimedia Subsystem (IMS) voice over Packet Switched (PS) session is supported homogeneously in tracking areas for the UE in the MME, wherein the information to indicate whether IMS voice over PS session is supported included in an access network capability is used to select a domain between one of a packet switch and a circuit switch in a terminating access domain selection (TADS).