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11. 发明授权

US08743868B2 Method, devices and system of IMS services session control via USSD 有权
标题翻译：通过USSD进行IMS服务会话控制的方法，设备和系统
公开(公告)号：US08743868B2
公开(公告)日：2014-06-03
申请号：US11935455
申请日：2007-11-06
申请人： Andreas Witzel , Ralf Keller
发明人： Andreas Witzel , Ralf Keller
IPC分类号： H04B7/00 , H04W4/00 , H04M11/00
CPC分类号： H04L65/1066 , H04L65/1016 , H04W4/14 , H04W88/16
摘要： A system and method for allowing IMS subscribers to perform service and session control of IMS services via a CS access. A User Equipment, UE, that is registered with an IMS network but is not in a position to access the IMS network using IP can still access the IMS network and control the IMS sessions by sending Unstructured Supplementary Service Data, USSD, messages via an available Circuit Switched network that is connected to the IMS network.
摘要翻译：一种用于允许IMS用户通过CS接入执行对IMS业务的服务和会话控制的系统和方法。在IMS网络中注册但不能使用IP访问IMS网络的用户设备UE仍然可以通过可用的方式发送非结构化补充业务数据USSD来发送IMS网络并控制IMS会话连接到IMS网络的电路交换网络。

12. 发明申请

US20140073333A1 ROUTING TERMINATING CALL TO USER EQUIPMENT VIA CONTROL NODES 有权
标题翻译：通过控制点呼叫终端呼叫用户设备
公开(公告)号：US20140073333A1
公开(公告)日：2014-03-13
申请号：US14116107
申请日：2012-04-13
申请人： Ralf Keller , Fredrik Alriksson , Fredrik Lindholm , Karl-Perter Ranke
发明人： Ralf Keller , Fredrik Alriksson , Fredrik Lindholm , Karl-Perter Ranke
IPC分类号： H04W40/02
CPC分类号： H04W40/02 , H04L45/306 , H04W68/00 , H04W76/10 , H04W92/24
摘要： A method for routing a terminating call to a user equipment via a first control node for controlling the call, wherein the user equipment is attached to a second control node which is adapted to provide routing information. The method comprises determining, by the second control node, if the user equipment is attached to the second control node over a third control node, wherein the attachment over the third control node indicates that call control shall be performed by a specific service domain. Based on the determining, the provided routing information is selected by the second control node, wherein the routing information indicates to the first control node if the further call establishment to the user equipment is controlled either by the second control node or by the third control node. The call is then routed, by the first control node, according to the selected routing information.
摘要翻译：一种用于经由用于控制呼叫的第一控制节点将终接呼叫路由到用户设备的方法，其中所述用户设备附接到适于提供路由信息的第二控制节点。所述方法包括由所述第二控制节点确定所述用户设备是否经由第三控制节点附加到所述第二控制节点，其中，所述第三控制节点上的附件指示呼叫控制应由特定服务域执行。基于确定，所提供的路由信息由第二控制节点选择，其中路由信息向第一控制节点指示对用户设备的进一步呼叫建立是由第二控制节点还是由第三控制节点。该呼叫然后由第一控制节点根据选择的路由信息进行路由。

13. 发明授权

US08660091B2 Handling call transfer in a communication network 有权
标题翻译：在通信网络中处理呼叫转移
公开(公告)号：US08660091B2
公开(公告)日：2014-02-25
申请号：US13496981
申请日：2012-02-08
申请人： Fredrik Lindholm , Ralf Keller
发明人： Fredrik Lindholm , Ralf Keller
IPC分类号： H04W4/00
CPC分类号： H04W36/0022 , H04W4/14 , H04W36/14 , H04W88/06
摘要： A method and apparatus for handling a call transfer from a circuit switched access network to a packet switched access network. A Mobile Switching Center Server receives a notification that a call for a terminal requires handover from a circuit switched access network to a packet switched access network. The MSC Server determines whether the terminal is currently registered in an IMS network and/or whether the MSC Server is registered such that it can perform handover from the circuit switched access network to the packet switched access network. If so, then return Single Radio Voice Call Continuity is invoked to perform a handover of the call from the circuit switched access network to the packet switched access network. If not then the MSC Server invokes error handling procedures.
摘要翻译：一种用于处理从电路交换接入网络到分组交换接入网络的呼叫转移的方法和装置。移动交换中心服务器接收到对终端的呼叫需要从电路交换接入网络切换到分组交换接入网络的通知。 MSC服务器确定终端当前是否在IMS网络中注册和/或MSC服务器是否被注册，使得它可以执行从电路交换接入网络到分组交换接入网络的切换。如果是，则返回单个无线电语音呼叫连续性被执行以执行从电路交换接入网络到分组交换接入网络的呼叫切换。如果不是，则MSC服务器调用错误处理过程。

14. 发明申请

US20130343279A1 SELECTION OF SERVICE DOMAIN IN IMS CENTRALISED SERVICES 有权
标题翻译：选择IMS集中服务中的服务域
公开(公告)号：US20130343279A1
公开(公告)日：2013-12-26
申请号：US13990746
申请日：2010-12-07
申请人： Ralf Keller , Fredrik Lindholm
发明人： Ralf Keller , Fredrik Lindholm
IPC分类号： H04L29/06
CPC分类号： H04L29/06183 , H04L65/1016 , H04L65/1063 , H04L65/1069 , H04W48/18
摘要： The invention includes methods of using IMS Centralised Services, ICS, in the selection of a service domain relating to a call involving a User Equipment, UE, being served by a CS access network. In one aspect a method includes receiving a request from a routing node, such as a Mobile Switching Centre, MSC, or a Gateway Mobile Switching Centre, GMSC, for a service domain selection at a Service Control Point, SCPin the UE's IMS network (801). The SCP has a Service Domain Selection, SDS, function, which retrieves data relating to the UE from a Domain Selection function (802). Based on the retrieved data, the SDS selects either the IMS service domain or the CS service domain as the service domain for routing the call (803), and sends an indication of the selected service domain to the routing node (805). Other aspects include methods for domain selection at the originating and terminating sides of the call, and network entities configured to carry out the methods.
摘要翻译：本发明包括使用IMS集中式服务（ICS）在选择由CS接入网服务的涉及用户设备（UE）的呼叫的服务域的方法。在一个方面，一种方法包括从业务控制点（UE）的IMS网络（801）的SCP接收来自诸如移动交换中心，MSC或网关移动交换中心（GMSC）的路由选择节点的请求）。 SCP具有服务域选择，SDS功能，其从域选择功能（802）检索与UE有关的数据。基于检索的数据，SDS选择IMS服务域或CS服务域作为用于路由呼叫的服务域（803），并将所选择的服务域的指示发送到路由节点（805）。其他方面包括在呼叫的始发端和终端侧进行域选择的方法以及被配置为执行方法的网络实体。

15. 发明授权

US08477765B2 Method and apparatus for correlating signalling in a communications network 有权
标题翻译：用于在通信网络中相关信令的方法和装置
公开(公告)号：US08477765B2
公开(公告)日：2013-07-02
申请号：US12746392
申请日：2007-12-04
申请人： Bo Åström , Carl-Henrik Hagenfeldt , Alf Heidermark , Ralf Keller , Fredrik Lindholm
发明人： Bo Åström , Carl-Henrik Hagenfeldt , Alf Heidermark , Ralf Keller , Fredrik Lindholm
IPC分类号： H04L12/66
CPC分类号： H04L65/1016 , H04L65/104 , H04L65/1083
摘要： A node in an IMS network receives circuit switched signalling relating to a communication session sent from a terminal over a circuit switched access network, and also receives packet switched signalling relating to the communication session sent from the terminal over a packet switched access network. The packet switched signalling comprises an identifier, and the node uses the identifier to correlate the circuit switched signalling with the packet switched signalling. This allows terminals using ICS to send signalling over both packet switched and circuit switched access networks, and a receiving node to correlate those signals.
摘要翻译： IMS网络中的节点接收与通过电路交换接入网络从终端发送的通信会话有关的电路交换信令，并且还接收与通过分组交换接入网络从终端发送的通信会话有关的分组交换信令。分组交换信令包括标识符，并且节点使用标识符将电路交换信令与分组交换信令相关联。这允许使用ICS的终端在分组交换和电路交换接入网络上发送信令，以及接收节点将这些信号相关联。

16. 发明申请

US20130136058A1 Handling a Registration Timer to Provide Service Continuity in IMS 有权
标题翻译：处理注册定时器以在IMS中提供服务连续性
公开(公告)号：US20130136058A1
公开(公告)日：2013-05-30
申请号：US13643183
申请日：2010-05-03
申请人： Ralf Keller , Fredrik Lindholm
发明人： Ralf Keller , Fredrik Lindholm
IPC分类号： H04W60/00
CPC分类号： H04W60/00 , H04L65/1073 , H04W36/0022 , H04W60/04
摘要： The invention relates to a method for providing service continuity with respect to a registration of a mobile terminal, UE (1), at a control server (3) of an IP Multimedia Subsystem, IMS, network, while a CS-communication session between the UE (1) and a switching server, MSC (2), of a circuit-switched, CS, network is established. The control server (3) comprises a registration timer which is used for initiating a termination of the registration of the UE (1) at the IMS network, when the registration timer expires, wherein the control server (3) updates the registration timer in dependence of a control information received (11, 24) from the MSC (2). The invention further relates to a MSC (2) providing such service.
摘要翻译：本发明涉及一种用于在IP多媒体子系统（IMS）网络的控制服务器（3）处提供关于移动终端（1）的注册的服务连续性的方法，同时在建立了电路交换CS网络的UE（1）和交换服务器MSC（2）。所述控制服务器（3）包括登记定时器，所述登记定时器用于在所述登记定时器到期时，在所述IMS网络上发起所述UE（1）的注册终止，其中，所述控制服务器（3）依次更新所述注册定时器从MSC（2）接收的控制信息（11,24）。本发明还涉及提供这种服务的MSC（2）。

17. 发明授权

US08411641B2 Methods for controlling access domain switching, network nodes, user terminal and computer program product therefor 有权
标题翻译：控制接入域交换，网络节点，用户终端和计算机程序产品的方法
公开(公告)号：US08411641B2
公开(公告)日：2013-04-02
申请号：US12518037
申请日：2006-12-05
申请人： Ralf Keller , Andreas Witzel , George Foti , Rogier Noldus
发明人： Ralf Keller , Andreas Witzel , George Foti , Rogier Noldus
IPC分类号： H04W4/00
CPC分类号： H04W36/0066 , H04W36/24
摘要： A technique for controlling an access domain selection is described. The technique is applicable to user terminals that are capable of switching from a first network access domain to a second network access domain while services are provided to the user terminals. According to a network aspect of this technique, a network node receives a request message from a user terminal. In response to this request message, the network node sends a rule set including one or more access domain switching rules to the user terminal. These access domain switching rules may be dynamically selected by the network node to control the access domain switching behavior of the user terminal.
摘要翻译：描述了用于控制访问域选择的技术。该技术适用于能够从服务提供给用户终端的从第一网络接入域切换到第二网络接入域的用户终端。根据该技术的网络方面，网络节点从用户终端接收请求消息。响应于该请求消息，网络节点向用户终端发送包括一个或多个接入域切换规则的规则集。这些接入域切换规则可以由网络节点动态地选择，以控制用户终端的接入域切换行为。

18. 发明申请

US20130016698A1 Handover from Circuit Switched to Packet Switched 有权
标题翻译：从电路切换到分组交换的切换
公开(公告)号：US20130016698A1
公开(公告)日：2013-01-17
申请号：US13577874
申请日：2010-02-12
申请人： Ralf Keller , Magnus Hallenstål , Magnus Olsson , Fredrik Lindholm
发明人： Ralf Keller , Magnus Hallenstål , Magnus Olsson , Fredrik Lindholm
IPC分类号： H04W36/14
CPC分类号： H04W36/14 , H04W36/0022 , H04W36/385
摘要： The invention relates to a method for handing over a call of a mobile entity that is circuit switched attached via a NMobile Switching Center MSC (120) to an IP Multimedia Subsystem IMS, wherein the mobile entity (100) is registered at the IMS. According to the invention, either the MSC or a media gateway act as application function towards a PCRF with the correct IP address of the media gateway.
摘要翻译：本发明涉及一种将通过移动交换中心MSC（120）电路交换的移动实体的呼叫转交给IP多媒体子系统IMS的方法，其中移动实体（100）在IMS处被注册。根据本发明，MSC或媒体网关作为对具有媒体网关的正确IP地址的PCRF的应用功能。

19. 发明授权

US08340084B2 System and method for indicating circuit switched access at IMS registration 有权
标题翻译：用于在IMS注册时指示电路交换接入的系统和方法
公开(公告)号：US08340084B2
公开(公告)日：2012-12-25
申请号：US12594182
申请日：2007-03-30
申请人： Kazuhiko Nakada , Ralf Keller , George Foti
发明人： Kazuhiko Nakada , Ralf Keller , George Foti
IPC分类号： H04L12/66
CPC分类号： H04L65/1073 , H04L65/1016 , H04W4/18 , H04W48/18 , H04W60/00 , H04W80/10
摘要： In IP Multimedia Subsystem (IMS) IMS Control Channel Protocol (ICCP) is used between a user equipment (UE) and IMS Control Channel Function (ICCF) and Session Initiated Protocol (SIP) interface (between to ICCF, Call Session Control Function and Application Server) to support the indication of Circuit Switched (CS) access utilizing P-Access-Network-Information header. The indication can be used by an S-CSCF or AS for different purposes such as routing decision, charging, and presence info.
摘要翻译：在IP多媒体子系统（IMS）中，在用户设备（UE）和IMS控制信道功能（ICCF）和会话发起协议（SIP）接口之间使用IMS控制信道协议（ICCP）（ICCF，呼叫会话控制功能和应用服务器），以支持使用P-Access-Network-Information报头的电路交换（CS）访问的指示。该指示可以由S-CSCF或AS用于不同的目的，例如路由决定，计费和存在信息。

20. 发明申请

US20120275431A1 HANDLING CALL TRANSFER IN A COMMUNICATION NETWORK 有权
标题翻译：在通信网络中处理呼叫转移
公开(公告)号：US20120275431A1
公开(公告)日：2012-11-01
申请号：US13496981
申请日：2012-02-08
申请人： Fredrik Lindholm , Ralf Keller
发明人： Fredrik Lindholm , Ralf Keller
IPC分类号： H04W36/12
CPC分类号： H04W36/0022 , H04W4/14 , H04W36/14 , H04W88/06
摘要： A method and apparatus for handling a call transfer from a circuit switched access network to a packet switched access network. A Mobile Switching Centre Server receives a notification that a call for a terminal requires handover from a circuit switched access network to a packet switched access network. The MSC Server determines whether the terminal is currently registered in an IMS network and/or whether the MSC Server is registered such that it can perform handover from the circuit switched access network to the packet switched access network. If so, then return Single Radio Voice Call Continuity is invoked to perform a handover of the call from the circuit switched access network to the packet switched access network. If not then the MSC Server invokes error handling procedures.
摘要翻译：一种用于处理从电路交换接入网络到分组交换接入网络的呼叫转移的方法和装置。移动交换中心服务器接收到对终端的呼叫需要从电路交换接入网络切换到分组交换接入网络的通知。 MSC服务器确定终端当前是否在IMS网络中注册和/或MSC服务器是否被注册，使得它可以执行从电路交换接入网络到分组交换接入网络的切换。如果是，则返回单个无线电语音呼叫连续性被执行以执行从电路交换接入网络到分组交换接入网络的呼叫切换。如果不是，则MSC服务器调用错误处理过程。

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