Patent ID: 8874094

Claim:
A method for transferring a Radio Access Technology/Frequency of Selection Priority, RFSP, index parameter, comprising the steps of: a Mobility Management entity, MME, receiving a voice capability and setting reported from a User Equipment, UE; the MME generating an RFSP index according to a subscribed RFSP index, the voice capability and setting reported from the UE and a configuration policy of an operator; the MME determining whether the generated RFSP index differs from an RFSP index in use; the MME replacing the RFSP index in use with the generated RFSP index upon determining that the generated RFSP index differs from the RFSP index in use; and the MME transferring the generated RFSP index to a Radio Access Network, RAN, wherein the UE is in an idle mode and has no uplink data pending; and the MME receives no downlink notification message data for the UE.