Patent ID: 9635531
Date: 2017-04-25
CPC Classifications: H04W

Claim:
1. A method for transmitting media preference information associated with an emergency call by a user equipment (UE) in a mobile communication system, the method comprising: sending an emergency call request message including media preference information of a user associated with an emergency call to a proxy call session control function (P-CSCF); and receiving a response message corresponding to the emergency call request message from the P-CSCF, wherein a policy to be used for controlling the UE is determined by a policy and charging rule function (PCRF) based on the media preference information, wherein the media preference information is transferred from the PCRF to a mobility management entity (MME), and wherein the media preference information is converted into a value to be used in a network by the PCRF, or the media preference information is converted into an indicator to be used in the network by a packet data network (PDN) Gateway.