发明公开
- 专利标题: COMMUNICATION SYSTEM
- 专利标题(中): 通讯系统
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申请号: EP13800340.5申请日: 2013-01-21
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公开(公告)号: EP2866499A1公开(公告)日: 2015-04-29
- 发明人: MIYAGAWA, Yusuke , KIDO, Takayuki , AKIMOTO, Takuo , NAKANISHI, Yuki , WATANABE, Yasuhiro
- 申请人: NEC Corporation
- 申请人地址: 7-1 Shiba 5-chome Minato-ku Tokyo 108-8001 JP
- 专利权人: NEC Corporation
- 当前专利权人: NEC Corporation
- 当前专利权人地址: 7-1 Shiba 5-chome Minato-ku Tokyo 108-8001 JP
- 代理机构: Sieckmann, Dirk Christoph
- 优先权: JP2012129835 20120607
- 国际公布: WO2013183316 20131212
- 主分类号: H04W48/18
- IPC分类号: H04W48/18 ; H04W68/12 ; H04W84/10 ; H04W92/24
摘要:
When a voice call is made from or received by UE (100) that is present in both 3G femto area (101) and LTE area (103), line switching for making a voice call or receiving a voice call is performed from MME (112) to P - CSCF (108) by using a predetermined protocol.
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