Mobile Unit Communication capability with switching Circuit using a response function Automatic switching Circuit through a Second Radio Access Network admiYou packet switching and Circuit switching while the mobile station is in a First Radio Access Network that supports Packet Switching but admits no switching circuIto.

摘要

A mobile station UE according to the present invention includes a notification reception unit 21 configured to receive an SIB2 in E-UTRAN and a barring processor unit 22 configured to perform predetermined barring processing in E-UTRAN based on information elements included in the SIB2. The barring processor unit 22 is configured to perform barring processing for origination of a CS call using a CSFB function based on "ac-BarringForCSFB-r10" and "ac-BarringForMO-Data" among the information elements.