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公开(公告)号：EP2329632A1
公开(公告)日：2011-06-08
申请号：EP09815722.5
申请日：2009-09-04
申请人： Nokia Corporation
发明人： MAYER, Georg , LEIS, Peter , HORN, Gunter
IPC分类号： H04L29/08
CPC分类号： H04W12/02 , H04L29/12594 , H04L61/309 , H04L63/0414 , H04W80/10
摘要： The present invention relates to hiding a device identifier (IMEI) in a communication system. Identifying a device is done by indicating an international mobile equipment identity (IMEI) as an instance identifier of the device of a user. Generating a globally routable user agent uniform resource identifier (GRUU) for the user is done by encrypting the instance identifier so that the GRUU comprises an identity of the user and the encrypted instance identifier.
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公开(公告)号：EP2394489A1
公开(公告)日：2011-12-14
申请号：EP09839561.9
申请日：2009-12-14
申请人： Nokia Corporation
发明人： MAYER, Georg , MUTIKAINEN, Jari , LEIS, Peter
CPC分类号： H04L65/1083 , H04L65/1006 , H04M7/128 , H04W36/0022 , H04W76/18
摘要： There is proposed a method and corresponding apparatuses allowing a change from a packet switched communication domain to a circuit switched communication domain. When a user equipment as a connection terminating point receives a connection initialization message with a media flow, such as audio, which cannot be delivered by the packet switched access, it sends a specific response rejecting the connection via the packet switched access to an application server for service centralization and continuity. In the application server, it is checked whether several conditions are met in order to determine whether the communication connection comprising the media flow is allowed to be changed to the circuit switched domain. If yes, the communication connection is changed from the packet switched communication domain to the circuit switched communication domain.
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公开(公告)号：EP2394489B1
公开(公告)日：2013-12-11
申请号：EP09839561.9
申请日：2009-12-14
申请人： Nokia Corporation
发明人： MAYER, Georg , MUTIKAINEN, Jari , LEIS, Peter
CPC分类号： H04L65/1083 , H04L65/1006 , H04M7/128 , H04W36/0022 , H04W76/18
摘要： There is proposed a method and corresponding apparatuses allowing a change from a packet switched communication domain to a circuit switched communication domain. When a user equipment as a connection terminating point receives a connection initialization message with a media flow, such as audio, which cannot be delivered by the packet switched access, it sends a specific response rejecting the connection via the packet switched access to an application server for service centralization and continuity. In the application server, it is checked whether several conditions are met in order to determine whether the communication connection comprising the media flow is allowed to be changed to the circuit switched domain. If yes, the communication connection is changed from the packet switched communication domain to the circuit switched communication domain.
摘要翻译： 提出了允许从分组交换通信域到电路交换通信域的改变的方法和相应装置。 当作为连接终端点的用户设备接收到具有媒体流（例如音频）的连接初始化消息时，该消息不能被分组交换接入传递，其通过分组交换访问发送拒绝该连接的特定响应到应用服务器 用于服务集中和连续性。 在应用服务器中，检查是否满足若干条件以确定包括媒体流的通信连接是否被允许改变为电路交换域。 如果是，则将通信连接从分组交换通信域改变为电路交换通信域。
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