发明名称 MOBILE STATION AND MOBILE COMMUNICATION METHOD
摘要 PROBLEM TO BE SOLVED: To provide a mobile station and a mobile communication method, capable of continuing outputting an announce tone, if transition is made from LTE to 3G by SRVCC during the reception of an announce tone from the network side in response to a calling request to a called terminal.SOLUTION: A UE 100A executes voice communication service continuity processing (SRVCC) by 3G when the connection destination of a mobile station is transferred from LTE to 3G. Further, on receiving an announce tone through LTE or 3G, the UE 100A outputs the announce tone after requesting to call the opposite party and before calling the opposite party. The UE 100A also outputs the announce tone after transition to 3G when the voice communication service continuity processing is executed during the output of the announce tone.
申请公布号 JP2014053774(A) 申请公布日期 2014.03.20
申请号 JP20120197019 申请日期 2012.09.07
申请人 NTT DOCOMO INC 发明人 TANAKA ITSUMA;OHASHI AKI;HIMENO KIMIYOSHI;SAKURAMOTO HIDEYUKI
分类号 H04W88/02;H04W48/18;H04W68/12 主分类号 H04W88/02
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