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    • 10. 发明授权
    • Method of speeding call flow
    • 加速呼叫流程的方法
    • US09165466B2
    • 2015-10-20
    • US13160853
    • 2011-06-15
    • Ki Hak YiChristopher N. ShamounJames Doherty
    • Ki Hak YiChristopher N. ShamounJames Doherty
    • H04L12/66G08G1/0968H04W76/02H04W4/04
    • G08G1/096811H04W4/046H04W76/15
    • A system and method for communicating between a vehicle and a central facility includes initiating at a vehicle a request for turn-by-turn directions; establishing a packet-switched call between the vehicle and a central facility using a wireless carrier system and a mobile dialed number (MDN) associated with the vehicle; receiving determined route information at the vehicle from the central facility via the packet-switched call; offering a vehicle occupant a service option that uses a circuit-switched call; and if the vehicle occupant accepts the service option, directing the wireless carrier system to establish the circuit-switched call using the MDN while maintaining the packet-switched call in a dormant state.
    • 用于在车辆和中央设施之间进行通信的系统和方法包括在车辆上启动对逐个方向的请求; 使用与车辆相关联的无线载波系统和移动拨号号码(MDN)在车辆和中央设施之间建立分组交换呼叫; 从中央设施经由分组交换呼叫在车辆处接收确定的路线信息; 为车辆乘客提供使用电路交换呼叫的服务选项; 并且如果车辆乘客接受服务选项,则指示无线运营商系统使用MDN建立电路交换呼叫,同时保持分组交换呼叫处于休眠状态。