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1. 发明授权

US08374173B2 Packet switched to circuit switched access handovers in an IMS architecture 有权
标题翻译：分组交换到IMS架构中的电路交换接入切换
公开(公告)号：US08374173B2
公开(公告)日：2013-02-12
申请号：US12996694
申请日：2010-11-12
申请人： Ivo Sedlacek , Fredrik Lindholm , Jan Holm
发明人： Ivo Sedlacek , Fredrik Lindholm , Jan Holm
IPC分类号： H04L12/66 , H04W24/00
CPC分类号： H04W60/005 , H04W36/14
摘要： A method of enabling the management of handovers of voice calls from a Packet Switched, PS, access to a Circuit Switched, CS, access where the voice calls are established using an IP Multimedia Subsystem, IMS, network. The method comprises performing a first IMS registration of a user via said PS access including setting for the user in a Home Subscriber Server, HSS, of the user's home network, an identifier of a first access transfer control function, which access transfer control function is responsible for anchoring user media sessions in an access transfer gateway of a serving network, and notifying a mobility function within said service network of the set identifier. A second or further IMS registration of the same user is then performed via said PS access, it being determined that said first IMS registration exists. As a consequence, the setting of an identifier of a second or further access transfer control function in the HSS for the user is prevented, while either the setting of the identifier of the first access transfer control function is maintained, or is replaced with an identifier of a service centralization and continuity application server. The mobility function is notified of any change to the set identifier. In the event of a requirement to handover an ongoing voice call associated with said second or further IMS registration from said PS to said CS access, the identifier currently set in the HSS and identified to the mobility function is used to manage the handover.
摘要翻译：一种能够管理从分组交换，PS访问到使用IP多媒体子系统IMS网络建立语音呼叫的电路交换CS接入的语音呼叫切换的方法。该方法包括经由所述PS访问执行用户的第一IMS注册，包括用户家庭网络的归属订户服务器HSS中的用户的设置，第一访问传输控制功能的标识符，访问传输控制功能是负责将用户媒体会话锚定在服务网络的接入转移网关中，并且通知所述服务网络内的设置标识符的移动性功能。然后，经由所述PS访问执行相同用户的第二次或另外的IMS注册，确定存在所述第一IMS注册。结果，在维护第一访问转移控制功能的标识符的设置或被替换为标识符的情况下，防止为用户设置HSS中的第二或另外的访问转移控制功能的标识符的服务集中和连续性应用服务器。通知移动功能对设置的标识符进行任何更改。在需要将与所述第二或另外的IMS注册相关联的正在进行的语音呼叫从所述PS切换到所述CS接入的情况下，当前在HSS中设置并且被识别为移动性功能的标识符用于管理切换。

2. 发明申请

US20130028179A1 Methods and Apparatus for Supporting the Implementation of IMS Service Continuity 有权
标题翻译：支持实施IMS业务连续性的方法与装置
公开(公告)号：US20130028179A1
公开(公告)日：2013-01-31
申请号：US13197138
申请日：2011-08-03
申请人： Ivo Sedlacek , Fredrik Lindholm , Jan Holm
发明人： Ivo Sedlacek , Fredrik Lindholm , Jan Holm
IPC分类号： H04W40/00
CPC分类号： H04L65/1016 , H04L65/1073
摘要： According to a first embodiment of the present invention there is provided a method of operating a node of a communications network that is configured to provide an IP Multimedia Subsystem Access Transfer Control Function. The method comprises storing information regarding IMS Service Continuity features that are supported by Mobile Switching Center servers within the network. Upon receipt of a message requesting IMS registration of a user equipment using the information to determine the IMS Service Continuity features that may be available to the user equipment, and, for any IMS Service Continuity features that may be available, including an indication that the IMS Service Continuity feature may be available in the message, and forwarding the message towards a Service Centralization and Continuity Application Server.
摘要翻译：根据本发明的第一实施例，提供了一种操作通信网络的节点的方法，其被配置为提供IP多媒体子系统接入传送控制功能。该方法包括存储关于IMS网络内的移动交换中心服务器支持的IMS服务连续性特征的信息。在接收到使用该信息来请求IMS注册用户设备的消息以确定可能对用户设备可用的IMS服务连续性特征的消息时，以及对于可能可用的任何IMS服务连续性特征，包括IMS的指示服务连续性功能可能在消息中可用，并将消息转发到服务集中和连续性应用服务器。

3. 发明申请

US20120120914A1 Packet Switched To Circuit Switched Access Handovers In An IMS Architecture. 有权
标题翻译： IMS架构中分组切换到电路交换切换。
公开(公告)号：US20120120914A1
公开(公告)日：2012-05-17
申请号：US12996694
申请日：2010-11-12
申请人： Ivo Sedlacek , Fredrik Lindholm , Jan Holm
发明人： Ivo Sedlacek , Fredrik Lindholm , Jan Holm
IPC分类号： H04W36/00 , H04L12/66 , H04W80/00 , H04W4/00
CPC分类号： H04W60/005 , H04W36/14
摘要： A method of enabling the management of handovers of voice calls from a Packet Switched, PS, access to a Circuit Switched, CS, access where the voice calls are established using an IP Multimedia Subsystem, IMS, network. The method comprises performing a first IMS registration of a user via said PS access including setting for the user in a Home Subscriber Server, HSS, of the user's home network, an identifier of a first access transfer control function, which access transfer control function is responsible for anchoring user media sessions in an access transfer gateway of a serving network, and notifying a mobility function within said service network of the set identifier. A second or further IMS registration of the same user is then performed via said PS access, it being determined that said first IMS registration exists. As a consequence, the setting of an identifier of a second or further access transfer control function in the HSS for the user is prevented, whilst either the setting of the identifier of the first access transfer control function is maintained, or is replaced with an identifier of a service centralisation and continuity application server. The mobility function is notified of any change to the set identifier. In the event of a requirement to handover an ongoing voice call associated with said second or further IMS registration from said PS to said CS access, the identifier currently set in the HSS and identified to the mobility function is used to manage the handover.
摘要翻译：一种能够管理从分组交换，PS访问到使用IP多媒体子系统IMS网络建立语音呼叫的电路交换CS接入的语音呼叫切换的方法。该方法包括经由所述PS访问执行用户的第一IMS注册，包括用户家庭网络的归属订户服务器HSS中的用户的设置，第一访问传输控制功能的标识符，访问传输控制功能是负责将用户媒体会话锚定在服务网络的接入转移网关中，并且通知所述服务网络内的设置标识符的移动性功能。然后，经由所述PS访问执行相同用户的第二次或另外的IMS注册，确定存在所述第一IMS注册。结果，在用户的HSS中设置第二或另外的访问传送控制功能的标识符被防止，同时保持第一访问传送控制功能的标识符的设置，或被替换为标识符的服务集中和连续性应用服务器。通知移动功能对设置的标识符进行任何更改。在需要将与所述第二或另外的IMS注册相关联的正在进行的语音呼叫从所述PS切换到所述CS接入的情况下，当前在HSS中设置并且被识别为移动性功能的标识符用于管理切换。

4. 发明授权

US08908597B2 Methods and apparatus for supporting the implementation of IMS service continuity 有权
标题翻译：支持实施IMS业务连续性的方法和装置
公开(公告)号：US08908597B2
公开(公告)日：2014-12-09
申请号：US13197138
申请日：2011-08-03
申请人： Ivo Sedlacek , Fredrik Lindholm , Jan Holm
发明人： Ivo Sedlacek , Fredrik Lindholm , Jan Holm
IPC分类号： H04W4/00 , H04L29/06
CPC分类号： H04L65/1016 , H04L65/1073
摘要： According to a first embodiment of the present invention there is provided a method of operating a node of a communications network that is configured to provide an IP Multimedia Subsystem Access Transfer Control Function. The method comprises storing information regarding IMS Service Continuity features that are supported by Mobile Switching Center servers within the network. Upon receipt of a message requesting IMS registration of a user equipment using the information to determine the IMS Service Continuity features that may be available to the user equipment, and, for any IMS Service Continuity features that may be available, including an indication that the IMS Service Continuity feature may be available in the message, and forwarding the message towards a Service Centralization and Continuity Application Server.
摘要翻译：根据本发明的第一实施例，提供了一种操作通信网络的节点的方法，其被配置为提供IP多媒体子系统接入传送控制功能。该方法包括存储关于IMS网络内的移动交换中心服务器所支持的IMS业务连续性特征的信息。在接收到使用该信息来请求IMS注册用户设备的消息以确定可能对用户设备可用的IMS服务连续性特征的消息时，以及对于可能可用的任何IMS服务连续性特征，包括IMS的指示服务连续性功能可能在消息中可用，并将消息转发到服务集中和连续性应用服务器。

5. 发明申请

US20130029629A1 Methods and Apparatus for Enabling Access Transfer of an Emergency Call Back Session 审中-公开
标题翻译：用于启用紧急回拨会话的访问传输的方法和装置
公开(公告)号：US20130029629A1
公开(公告)日：2013-01-31
申请号：US13198368
申请日：2011-08-04
申请人： Fredrik Lindholm , Ivo Sedlacek
发明人： Fredrik Lindholm , Ivo Sedlacek
IPC分类号： H04M11/04
CPC分类号： H04W36/0022 , H04W4/90 , H04W76/50
摘要： According to an embodiment of the present invention there is provided a method of enabling Single Radio Voice Call Continuity, SRVCC, access transfer for an emergency call back IP Multimedia Subsystem, IMS, session to a user equipment, UE. The method comprises including a session continuity function in a signalling path of a request for establishment of a call back session intended for the UE, and if access transfer of the call back session from a packet switched access to a circuit switched access is required, implementing SRVCC access transfer of the call back session using the session continuity function.
摘要翻译：根据本发明的实施例，提供了一种使能单个无线电语音呼叫连续性，SRVCC，用于紧急回拨IP多媒体子系统，IMS，到用户设备UE的会话的接入传输的方法。该方法包括在建立针对UE的回叫会话的请求的信令路径中包括会话连续性功能，并且如果需要从分组交换接入到电路交换接入的回叫会话的接入传送，则实现使用会话连续性功能的SRVCC访问转移回调会话。

6. 发明授权

US08855697B2 Method for establishing a push-to-talk communication link 有权
标题翻译：建立一键通通信链路的方法
公开(公告)号：US08855697B2
公开(公告)日：2014-10-07
申请号：US12300003
申请日：2007-05-07
申请人： Pavel Dostal , Ivo Sedlacek
发明人： Pavel Dostal , Ivo Sedlacek
IPC分类号： H04B7/00 , H04L29/06
CPC分类号： H04L65/1069 , H04L63/14 , H04L65/1006 , H04L65/1016 , H04L65/4061 , H04L65/80 , H04L67/14 , H04L69/24
摘要： The invention relates to a method for establishing a push-to-talk-(Ptt) communication link between two Ptt devices (1,2), in which the data of different types, such as voice data (Sp), audio data (A), video data (V) etc., is transmitted between the Ptt devices (1,2). The first Ptt device (1) transmits a Ptt link request, and subsequently a communication link is established for at least one selection of said different types of data via a communication channel (F1, NF) according to a communication protocol. According to the invention, the Ptt link request contains priority information which enables the data types to be allocated a transmission priority, and the communication protocol only authorizes the communication channel (F1, NF) to be established if the second Ptt-device (2) is available for the data type or for the data types having the highest transmission priority. The transmission of one data type, which has a lower transmission priority, by means of said communication channel (F1, NF) is only authorized if the second Ptt-device (2) is available for said data type, and the second Ptt-device (2) is also available for all data types with a higher transmission priority.
摘要翻译：本发明涉及一种用于在两个Ptt设备（1,2）之间建立一键通（Ptt）通信链路的方法，其中不同类型的数据，例如语音数据（Sp），音频数据（A）），视频数据（V）等在Ptt设备（1,2）之间传输。第一Ptt设备（1）发送Ptt链路请求，随后根据通信协议经由通信信道（F1，NF）为至少一个选择所述不同类型的数据建立通信链路。根据本发明，Ptt链路请求包含优先级信息，使得数据类型能够被分配传输优先级，并且如果第二Ptt设备（2），则通信协议仅授权通信信道（F1，NF）可用于数据类型或具有最高传输优先级的数据类型。如果第二Ptt设备（2）可用于所述数据类型，则仅通过所述通信信道（F1，NF）传输具有较低传输优先级的一种数据类型，并且第二Ptt设备（2）也可用于具有较高传输优先级的所有数据类型。

7. 发明申请

US20100325289A1 RE-ACTIVATED GROUP COMMUNICATION 审中-公开
标题翻译：重新启动集团通信
公开(公告)号：US20100325289A1
公开(公告)日：2010-12-23
申请号：US12865253
申请日：2009-02-10
申请人： Pavel Dostal , Ivo Sedlacek
发明人： Pavel Dostal , Ivo Sedlacek
IPC分类号： G06F15/16
CPC分类号： H04L12/1818 , H04L12/189 , H04W4/06 , H04W4/10 , H04W76/19 , H04W76/45
摘要： An improved method for re-activating a terminated group session. A server responsible for controlling the connection stores associated participant information identifying clients that participated or were intended to participate the connection. This associated participant information is provided to the client when a negative response to the request for re-joining the connection needs to be given. The client can then re-activate the communication by re-initing the connection. The roles and responsibilities of the continued connection are more consistent and still, the task of storing the information for the continued connection takes place in the element where it is most appropriately done.
摘要翻译：一种用于重新激活终止组会话的改进方法。负责控制连接的服务器存储相关联的参与者信息，以标识参与或旨在参与连接的客户端。当需要给出重新加入连接的请求的否定响应时，将该关联的参与者信息提供给客户端。然后，客户端可以通过重新启动连接来重新激活通信。持续连接的角色和责任更加一致，而且仍然存在用于持续连接的信息的任务发生在最适当地完成的元素中。

8. 发明申请

US20130005332A1 Methods and Apparatus for Multiple Data Packet Connections 有权
标题翻译：多数据包连接的方法和装置
公开(公告)号：US20130005332A1
公开(公告)日：2013-01-03
申请号：US13532317
申请日：2012-06-25
申请人： Ivo Sedlacek , Peter Hedman , Zu Qiang , Dinand Roeland
发明人： Ivo Sedlacek , Peter Hedman , Zu Qiang , Dinand Roeland
IPC分类号： H04W88/06
CPC分类号： H04W76/10 , H04L63/0892 , H04W12/06 , H04W48/17 , H04W92/02
摘要： A network can handle access attempts by a mix of user equipments (UEs) that do and do not support multiple packet data network connections and do and do not support Internet Protocol version 6 (IPv6) and access attempts from networks that do and do not support multiple PDN connections. A method of operating a Trusted Non-3GPP Access network with a 3GPP network involves an authentication, authorization, and accounting (AAA) proxy in the Trusted Non-3GPP Access network and a UE that supports multiple PDN connections, with the AAA proxy sending an indication to the UE that the network supports multiple PDN connections.
摘要翻译：网络可以通过不支持多个分组数据网络连接的用户设备（UE）的混合来处理访问尝试，并且不支持并且不支持来自不支持的网络的因特网协议版本6（IPv6）和访问尝试多个PDN连接。使用3GPP网络操作受信任的非3GPP接入网络的方法涉及可信非3GPP接入网络中的认证，授权和计费（AAA）代理以及支持多个PDN连接的UE，其中AAA代理发送向UE指示网络支持多个PDN连接。

9. 发明申请

US20120246697A1 Method and Node in a Telecommunications Network 有权
标题翻译：电信网络中的方法和节点
公开(公告)号：US20120246697A1
公开(公告)日：2012-09-27
申请号：US13496179
申请日：2009-12-18
申请人： Ivo Sedlacek , Martien Huijsmans , Gert Öster
发明人： Ivo Sedlacek , Martien Huijsmans , Gert Öster
IPC分类号： G06F21/00
CPC分类号： H04L63/102 , H04L65/1006 , H04L65/1016 , H04L65/105 , H04L65/1063 , H04L65/1069 , H04W12/08
摘要： During a registration procedure by a User Equipment (UE) via a Proxy Call Session Control Function (P-CSCF) node and a Serving Call Session Control Function (S-CSCF) node, the S-CSCF node provides a policy indicator in a response message to a register request message. The policy indicator enables subsequent operation of the node to be controlled according to whether or not a registered UE has an associated policy. As such, delays (such as delays associated with retrieving an associated policy) are only experienced by UEs that have previously been determined as having such an associated policy, rather than all UEs being affected in the same way.
摘要翻译：在由用户设备（UE）经由代理呼叫会话控制功能（P-CSCF）节点和服务呼叫会话控制功能（S-CSCF）节点的注册过程中，S-CSCF节点在响应中提供策略指示符消息发送到注册请求消息。策略指示器使得能够根据注册的UE是否具有相关联的策略来控制节点的后续操作。因此，延迟（例如与检索相关联的策略相关联的延迟）仅由先前已被确定为具有这样的关联策略的UE经历，而不是以相同的方式影响所有UE。

10. 发明申请

US20110292841A1 Preserving Mid-Call State in IMS Centralized Services Sessions 有权
标题翻译：在IMS集中服务会话中保留中间呼叫状态
公开(公告)号：US20110292841A1
公开(公告)日：2011-12-01
申请号：US12952968
申请日：2010-11-23
申请人： Ivo Sedlacek , Ralf Keller
发明人： Ivo Sedlacek , Ralf Keller
IPC分类号： H04W40/00 , H04L12/16
CPC分类号： H04L65/1016 , H04L65/1083 , H04L65/1096 , H04W36/0005 , H04W36/14
摘要： Techniques for managing multiple ICS sessions in an IMS network are described. In one method, a MSC server detects that a user terminal has been transferred from a first access network to a second access network and, in response, sends a message to an SCC AS, the message indicating transfer of the user terminal. The MSC server receives, in response, one or more requests for MSC server-assisted mid-call feature services for the user terminal, and assigns transaction identifiers to one or more sessions held for the user terminal or to one or more conference participants corresponding to the user terminal. Corresponding techniques carried out at an SCC AS are also described.
摘要翻译：描述了在IMS网络中管理多个ICS会话的技术。在一种方法中，MSC服务器检测到用户终端已经从第一接入网络传送到第二接入网络，并且作为响应，向SCC AS发送指示用户终端的传送的消息。 MSC服务器响应地接收用于用户终端的对MSC服务器辅助中间呼叫特征服务的一个或多个请求，并且将事务标识符分配给为用户终端保持的一个或多个会话或者与一个或多个对应于用户终端。还描述了在SCC AS处执行的相应技术。

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