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    • 50. 发明授权
    • Method and apparatus for handling emergency calls in a packet switched radio access network
    • 用于在分组交换无线电接入网络中处理紧急呼叫的方法和装置
    • US08260250B2
    • 2012-09-04
    • US11795607
    • 2006-01-18
    • Ake BusinMagnus OlssonStephen Terrill
    • Ake BusinMagnus OlssonStephen Terrill
    • H04M11/04H04L12/66
    • H04L65/4007H04L65/1016H04L65/1096H04L67/04H04L67/18H04W4/02H04W4/18H04W4/20H04W4/90H04W64/00H04W76/50
    • A method and apparatus for providing location information for subscribers connected to a packet-switched mobile access network in connection with emergency calls made over a multimedia service network. An emergency request is received at the multimedia service network from a subscriber containing the calling number of the subscriber. In response thereto, a media gateway control function in the multimedia service network sends a location query including the calling number to a mobile positioning center in the mobile access network, which then can retrieve location information for the subscriber. After receiving location information from the mobile positioning center, the media gateway control function selects an emergency center and sends a location indication for the subscriber thereto in a circuit-switched control message for initiating an emergency call, according to prevailing standards.
    • 一种与通过多媒体服务网络进行的紧急呼叫相关联的用于连接到分组交换移动接入网络的用户的位置信息的方法和装置。 从包含用户主叫号码的用户在多媒体业务网络接收紧急请求。 响应于此,多媒体业务网络中的媒体网关控制功能向移动接入网络中的移动定位中心发送包括呼叫号码的位置查询,然后该移动定位中心可以检索用户的位置信息。 媒体网关控制功能在从移动定位中心接收到位置信息后,根据现行标准,选择一个紧急中心,并在用户发起紧急呼叫的电路交换控制消息中发送用户的位置指示。