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    • 1. 发明申请
    • MEDIA SECURITY FOR IMS SESSIONS
    • IMS会议的媒体安全
    • US20080010688A1
    • 2008-01-10
    • US11563508
    • 2006-11-27
    • Yigang CaiSimon Xu ChenAlex Zhi Gang HuLuke Zhigang Yang
    • Yigang CaiSimon Xu ChenAlex Zhi Gang HuLuke Zhigang Yang
    • H04L9/32
    • H04L63/20H04L65/1016H04W12/0023H04W12/02
    • IMS networks and methods are disclosed for securing media streams for IMS sessions. A CSCF of an IMS network receives a registration message, such as a SIP Register message, from user equipment (UE) of an IMS subscriber indicating whether the UE supports media security. The CSCF then forwards a registration message, such as a Diameter MAR, to a subscriber database that includes a header parameter also indicating that the UE supports media security. A media security system generates media security information (e.g., algorithms, keys, etc), and the subscriber database transmits a response message, such as a Diameter MAA, to the CSCF that includes a header parameter for the media security information. The CSCF transmits a response message, such as a SIP 200 OK message, to the UE that includes a header parameter for the media security information. The UE may use the media security information to secure media streams.
    • 公开了用于保护用于IMS会话的媒体流的IMS网络和方法。 IMS网络的CSCF从IMS用户设备(UE)接收诸如SIP注册消息的注册消息,指示UE是否支持媒体安全性。 CSCF然后将诸如Diameter MAR的注册消息转发到订户数据库,用户数据库包括还指示UE支持媒体安全性的报头参数。 媒体安全系统生成媒体安全信息(例如,算法,密钥等),并且订户数据库向包括用于媒体安全信息的报头参数的CSCF发送诸如Diameter MAA的响应消息。 CSCF向包括用于媒体安全信息的报头参数的UE发送诸如SIP 200 OK消息的响应消息。 UE可以使用媒体安全信息来保护媒体流。