MOBILE COMMUNICATIONS METHOD, EXCHANGE STATION, AND MOBILE STATION

摘要

Disclosed is a mobile communications method which comprises: a step wherein CSFB processing for a mobile station (UE) is performed when an exchange station (MME) has received an Extended Service Request during transmission control and the exchange station (MME) determines that the mobile station (UE) is supports the control method for CSFB, based on the CSFB control capabilities information; and a step wherein the exchange station (MME) transmits a "Service Reject" to the mobile station (UE) when the exchange station (MME) has received an Extended Service Request during transmission control and has determined that the mobile station (UE) does not support the control method for CSFB, based on the CSFB control capabilities information.