发明名称 Mobile communication system, switching center server and additional service providing method used for the same
摘要 The present invention provides a mobile communication system including an IP (Internet Protocol) core network, a mobile communication network, a switching center server and a mobile terminal, wherein a plurality of services in each of the IP network and the mobile communication network are provided for the mobile terminal.
申请公布号 US2007270144(A1) 申请公布日期 2007.11.22
申请号 US20070800578 申请日期 2007.05.07
申请人 NEC CORPORATION 发明人 KURITA SHIGEHARU;OHNISHI MASATO
分类号 H04W88/16 主分类号 H04W88/16
代理机构 代理人
主权项
地址