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    • 9. 发明申请
    • Interaction of VoIP calls and cellular networks
    • VoIP通话与蜂窝网络的互动
    • US20090180422A1
    • 2009-07-16
    • US11285805
    • 2005-11-22
    • Peter BohacekDavid Sanders
    • Peter BohacekDavid Sanders
    • H04W4/00H04L12/66
    • H04M7/1235H04M7/009H04M7/0093H04M7/12H04M2207/18H04W4/16H04W88/16
    • A communication system includes a switching network and a wireless network. The switching network includes a first gateway for receiving a communication from a caller, a second gateway for establishing an external connection through which the communication can be routed, and a command center that allows the first and second gateways to make an internal connection. The wireless network includes a visited mobile switch center and a home location register. The visited mobile switch center generates routing information, receives the communication from the external connection of the switching network, and routes the communication to a wireless network subscriber. The home location register locates the visited mobile switch center, and passes the routing information from the visited mobile switch center to the command center of the switching network. The command center causes the external connection to be established based on the routing information.
    • 通信系统包括交换网络和无线网络。 交换网络包括用于接收来自呼叫者的通信的第一网关,用于建立可以路由通信的外部连接的第二网关,以及允许第一和第二网关进行内部连接的命令中心。 无线网络包括被访问的移动交换中心和归属位置寄存器。 被访问的移动交换中心生成路由信息,从交换网络的外部连接接收通信,并将通信路由到无线网络用户。 归属位置寄存器定位被访问的移动交换中心,并将路由信息从被访问的移动交换中心传递到交换网的命令中心。 命令中心根据路由信息建立外部连接。