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1. 发明申请

WO2013110346A1 SINGLE RADIO VOICE CALL CONTINUITY HANDOVER OF CALLS WITH VIDEO MEDIA FROM A CIRCUIT SWITCHED ACCESS NETWORK 审中-公开
标题翻译：单一无线电话呼叫连续性切换来自电路切换访问网络的视频媒体
公开(公告)号：WO2013110346A1
公开(公告)日：2013-08-01
申请号：PCT/EP2012/051341
申请日：2012-01-27
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ) , KELLER, Ralf , LINDHOLM, Fredrik
发明人： KELLER, Ralf , LINDHOLM, Fredrik
IPC分类号： H04W36/00
CPC分类号： H04W36/0027 , H04L65/1083
摘要： A method is provided of performing a handover with Single Radio Voice Call Continuity, SRVCC, of a telecommunications session from a User Equipment, UE accessing an IP Multimedia Subsystem, IMS, network via a Circuit Switched, CS, access network to a target Packet Switched, PS, access network. The method includes receiving a handover request from the CS access network to transfer the session and determining that the telecommunications session comprises data media in addition to, or without, any audio media. The ability to perform the handover with SRVCC for the data media is determined. Bearer resources for the session when handed over to the PS access network are allocated, including a data media bearer and, if there is any audio media in the session an audio media bearer. The session is transferred from the CS to the target PS access network.
摘要翻译：提供一种方法，用于执行来自用户设备的电话会话的单无线电语音呼叫连续性SRVCC的切换，UE经由电路交换的CS接入网络接入IP多媒体子系统IMS，网络到目标分组交换，PS，接入网。该方法包括从CS接入网络接收切换请求以传送该会话，并且确定该电信会话除了或不包含任何音频媒体之外还包括数据媒体。确定用于数据介质的SRVCC执行切换的能力。分配移交给PS接入网络的会话的承载资源，包括数据媒体承载，以及如果在会话中有任何音频媒体是音频媒体承载。会话从CS传送到目标PS接入网。

2. 发明申请

WO2012010336A1 GATING CONTROL IN A TELECOMMUNICATIONS NETWORK 审中-公开
标题翻译：电信网络中的控制
公开(公告)号：WO2012010336A1
公开(公告)日：2012-01-26
申请号：PCT/EP2011/056651
申请日：2011-04-27
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , WANG, Jian , KELLER, Ralf , LINDHOLM, Fredrik
发明人： WANG, Jian , KELLER, Ralf , LINDHOLM, Fredrik
IPC分类号： H04W36/00
CPC分类号： H04W40/34 , H04L65/1016 , H04L65/103 , H04L65/104 , H04L65/80 , H04W36/0022 , H04W76/22
摘要： A method is provided for updating or handling the update of a media path between a first user terminal and a second user terminal in a telecommunications network. The media path includes one or more gateway nodes. Each gateway node includes a gating function for gating media packets. Each gating function has an associated controlling function for controlling the gating function. A message is received (S5) at a gating function from its associated controlling function indicating that an update of the gating at the gating function is required. The gating function arranges (S6) for a new gating, appropriate for the new or updated media path, to be opened while keeping the old gating, appropriate for the old or previous or existing media path, open (S8). The gating function determines (S7) when the media has been switched, or at least is likely to have been switched, to the new path. When it is so determined, the gating function arranges for the old gating to be closed (S9).
摘要翻译：提供了一种用于更新或处理电信网络中的第一用户终端和第二用户终端之间的媒体路径的更新的方法。媒体路径包括一个或多个网关节点。每个网关节点包括门控功能，用于门控媒体分组。每个门控功能具有控制门控功能的相关控制功能。从其关联的控制功能在门控功能处接收到消息（S5），指示需要门控功能的门控的更新。门控功能（S6）适用于新的或更新的媒体路径的新门控（S6）被打开，同时保持旧的门控，适合于旧的或以前的或现有的媒体路径，打开（S8）。当媒体已被切换或至少可能被切换到新路径时，门控功能确定（S7）。当这样确定时，选通功能将旧门控关闭（S9）。

3. 发明申请

WO2011003943A2 METHODS AND DEVICES FOR IMPROVING SESSION CONTINUITY 审中-公开
标题翻译：用于改善会话连续性的方法和设备
公开(公告)号：WO2011003943A2
公开(公告)日：2011-01-13
申请号：PCT/EP2010/059738
申请日：2010-07-07
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ) , KELLER, Ralf , HALLENSTAL, Magnus , OLSSON, Magnus , LINDHOLM, Fredrik
发明人： KELLER, Ralf , HALLENSTAL, Magnus , OLSSON, Magnus , LINDHOLM, Fredrik
IPC分类号： H04W36/00 , H04L29/06
CPC分类号： H04W36/0022 , H04L65/1016 , H04L65/1083 , H04W36/0011 , H04W80/10
摘要： A method for improving session continuity for a terminal (204`) in a serving communication network (202`) distinct from a home communication network (200`) of the terminal (204`), wherein the serving communication network (202`) comprises a session transfer node (208`) for transferring sessions each comprising signaling data and media data from a first access network (210`) of the serving communication network (202`) to a second access network (212`) of the serving communication network (202`) comprises the following: Routing signaling data of a session of the terminal (204`) between the first access network (210`) and the home communication network (200`) via the session transfer node (208`) in the serving communication network (202`), receiving a session transfer request requesting the transfer of the session from the first access network (210`) to the second access network (212`) for the terminal (204`), and transferring the session from the first access network (210`) to the second access network (212`), and routing the signaling data of the session of the terminal (204`) between the second access network (210`) and the home communication network (200`) via the session transfer node (208`).
摘要翻译：一种用于改善与所述终端（204'）的归属通信网络（200）不同的服务通信网络（202）中的终端（204'）的会话连续性的方法，其中所述服务通信网络（202）包括会话传送节点（208`），用于将服务通信网络（202）的第一接入网络（210）的信令数据和媒体数据传送到服务通信网络的第二接入网络（212）（202`）包括以下内容：经由第一接入网络（210）和归属通信网络（200）之间的终端（204）的会话的路由信令数据经由会话传送节点（208）服务通信网络（202`），接收请求从第一接入网络（210`）向终端（204`）的第二接入网络（212）传送会话的会话传送请求，并将会话从第一接入网（210`）到第二接入网接入网络（212`），并且经由会话传送节点（208`）在第二接入网络（210）和归属通信网络（200）之间路由终端（204）的会话的信令数据。

4. 发明申请

WO2013156089A1 SRVCC HANDOVER OF CALLS BETWEEN ACCESS NETWORKS WITH EFFICIENT MEDIA GATEWAY SELECTION 审中-公开
标题翻译：访问网络之间的SRVCC切换与高效媒体网关选择
公开(公告)号：WO2013156089A1
公开(公告)日：2013-10-24
申请号：PCT/EP2012/061231
申请日：2012-06-13
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ) , KELLER, Ralf , LINDHOLM, Fredrik , PERTTULA, Kari-Pekka , RANKE, Karl-Peter
发明人： KELLER, Ralf , LINDHOLM, Fredrik , PERTTULA, Kari-Pekka , RANKE, Karl-Peter
IPC分类号： H04W36/00 , H04W76/02
CPC分类号： H04W36/08 , H04W36/0022 , H04W72/048 , H04W76/10 , H04W76/16 , H04W88/16
摘要： A mechanism is presented for performing a session transfer with Single Radio Voice Call Continuity, SRVCC, from a Packet Switched, PS, access to a Circuit Switched, CS, access of a telecommunications session that has been established over the PS access via an IP Multimedia Subsystem, IMS, network. The method includes receiving a request for the transfer of the session to the CS access. An indication of an already- seized media gateway, MGW, that has been established for use in one or more other sessions over the CS access is obtained from the IMS network. A MGW is selected as a Mobile-Media Gateway, M-MGW, for the session based on the obtained indication. Allocation of resources for the session in the CS access network is initiated, including specifying the MGW to be used as the Mobile-Media Gateway, M-MGW. Transfer of the session to the CS access is then initiated.
摘要翻译：提出了一种机制，用于通过IP多媒体通过PS访问建立的电信会话的访问，从分组交换，PS访问到无线电话语音呼叫连续性SRVCC进行会话传送子系统，IMS，网络。该方法包括接收将会话传送到CS接入的请求。从IMS网络获得已经建立用于在CS接入中的一个或多个其他会话中已经占用的媒体网关MGW的指示。基于获得的指示，MGW被选为用于会话的移动媒体网关M-MGW。启动CS接入网中会话资源的分配，包括指定要用作移动媒体网关的MGW M-MGW。然后启动会话转移到CS访问。

5. 发明申请

WO2013110347A1 HANDOVER OF EMERGENCY CALLS FROM A CIRCUIT SWITCHED TO A PACKET SWITCHED ACCESS NETWORK 审中-公开
标题翻译：从切换到分组交换接入网络的电路切换紧急呼叫
公开(公告)号：WO2013110347A1
公开(公告)日：2013-08-01
申请号：PCT/EP2012/051343
申请日：2012-01-27
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ) , KELLER, Ralf , LINDHOLM, Fredrik
发明人： KELLER, Ralf , LINDHOLM, Fredrik
IPC分类号： H04W36/00
CPC分类号： H04W36/0022 , H04W4/90
摘要： A method is provided of performing a handover with SRVCC to a target PS access network of an emergency call to a PSAP from a UE accessing a CS access network. The method includes sending a handover request from the CS access network towards an I MS network to transfer the emergency call. A CS to PS emergency handover command is sent to the UE, including an emergency STN identifying an access transfer control function. The UE sends a SIP INVITE to establish an emergency IMS session over the PS access network. The SIP INVITE includes the emergency STN so that the INVITE is routed to the access transfer control function. The emergency call sent over the CS access network with the emergency I MS session are correlated and the emergency call is switched to the emergency IMS session over the PS access network to complete the handover.
摘要翻译：提供了一种方法，其中，SRVCC向接入CS接入网的UE的PSAP的紧急呼叫的目标PS接入网进行切换。该方法包括从CS接入网向IMS网络发送切换请求以传送紧急呼叫。 CS到PS紧急切换命令被发送到UE，包括识别访问转移控制功能的紧急STN。 UE发送SIP邀请，通过PS接入网建立紧急IMS会话。 SIP INVITE包括紧急STN，使INVITE被路由到访问传输控制功能。通过紧急I MS会话的CS接入网络发送的紧急呼叫相关，紧急呼叫通过PS接入网切换到紧急IMS会话，完成切换。

6. 发明申请

WO2012110110A1 ROUTING TERMINATING CALLS 审中-公开
标题翻译：路由终止呼叫
公开(公告)号：WO2012110110A1
公开(公告)日：2012-08-23
申请号：PCT/EP2011/060746
申请日：2011-06-27
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ) , KELLER, Ralf , ABTIN, Afshin , LINDHOLM, Fredrik , CASTELLANOS ZAMORA, David , FERNANDEZ GALMES, Juan Manuel , ALARCON, Antonio Alonso
发明人： KELLER, Ralf , ABTIN, Afshin , LINDHOLM, Fredrik , CASTELLANOS ZAMORA, David , FERNANDEZ GALMES, Juan Manuel , ALARCON, Antonio Alonso
IPC分类号： H04L29/06 , H04W48/18
CPC分类号： H04L12/66 , H04L65/1069 , H04W76/10
摘要： A subscriber server (154) is described that routes a terminating call in a network (150) that includes a circuit switched (CS) network (104), a packet switched (PS) network (105), and an IP Multimedia Subsystem (IMS) (108). The server (154) receives a request for routing information in relation to the terminating call from a CS node (152) in the CS network (104). A determination is made at server 154 based on whether a UE (115) associated with the terminating call is registered in the IMS (108) and whether the UE (115) has access to the PS network (105). The server (154) instructs the CS node (152) to route (158) the terminating call in the CS network (104) when the UE (115) is not registered in the IMS (108) or when the UE (115) does not have access to the PS network (105). Alternatively, the server (154) instructs the CS node (152) to send the terminating call to the IMS (108) for handling (156) when the UE (115) is registered in the IMS (108) and when the UE (115) has access to the PS network (105). In this way, a terminating call is prevented from being unnecessarily routed or handled by the IMS (108).
摘要翻译：描述了在包括电路交换（CS）网络（104），分组交换（PS）网络（105）和IP多媒体子系统（IMS）的网络（150）中路由终止呼叫的订户服务器（154）（108）。服务器（154）从CS网络（104）中的CS节点（152）接收关于终止呼叫的路由信息的请求。基于在终端呼叫中关联的UE（115）是否登记在IMS（108）中以及UE（115）是否可以访问PS网络（105），确定服务器154。当UE（115）没有在IMS（108）中注册时，或者当UE（115）执行的时候，服务器（154）指示CS节点（152）将终止呼叫路由（158）到CS网络（104）无法访问PS网络（105）。或者，当UE（115）注册到IMS（108）中时，服务器（154）指示CS节点（152）向IMS（108）发送终止呼叫以进行处理（156），并且当UE（115））可访问PS网络（105）。以这种方式，防止终止呼叫被IMS不必要地路由或处理（108）。

7. 发明申请

WO2011137926A1 HANDLING A REGISTRATION TIMER TO PROVIDE SERVICE CONTINUITY IN IMS 审中-公开
标题翻译：处理注册机定时器，提供IMS中的服务连续性
公开(公告)号：WO2011137926A1
公开(公告)日：2011-11-10
申请号：PCT/EP2010/055988
申请日：2010-05-03
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , KELLER, Ralf , LINDHOLM, Fredrik
发明人： KELLER, Ralf , LINDHOLM, Fredrik
IPC分类号： H04L29/06 , H04W60/02
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）。

8. 发明申请

WO2010055012A3 METHODS AND APPARATUSES FOR USER REGISTRATION IN THE IMS BY MSC SERVER WHEN USING SGS / GS INTERFACE 审中-公开
公开(公告)号：WO2010055012A3
公开(公告)日：2010-05-20
申请号：PCT/EP2009/064841
申请日：2009-11-09
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ) , KELLER, Ralf , OLSSON, Magnus , WANG, Jian , LINDHOLM, Fredrik
发明人： KELLER, Ralf , OLSSON, Magnus , WANG, Jian , LINDHOLM, Fredrik
IPC分类号： H04W48/18
摘要： A method of registering a subscriber in an IP Multimedia Subsystem (IMS) is provided, wherein the method is executed by a call control node (800), wherein the method comprises receiving (402) an access request of the subscriber for circuit switched accessing the IMS, the access request being received via an access, determining (404) an access type of the access, and sending (406) a registration request for circuit switched registering the subscriber in the IMS depending on the determined access type.

9. 发明申请

WO2013156063A1 SRVCC HANDOVER OF CALLS BETWEEN ACCESS NETWORKS WITH ACTIVE CODEC SELECTION 审中-公开
标题翻译： SRVCC切换访问网络与主动编解码选择之间的通话
公开(公告)号：WO2013156063A1
公开(公告)日：2013-10-24
申请号：PCT/EP2012/057025
申请日：2012-04-17
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , KELLER, Ralf , LINDHOLM, Fredrik , RANKE, Karl-Peter
发明人： KELLER, Ralf , LINDHOLM, Fredrik , RANKE, Karl-Peter
IPC分类号： H04W36/00 , H04W76/02
CPC分类号： H04W36/08 , H04W36/0022 , H04W72/048 , H04W76/10 , H04W76/16 , H04W88/16
摘要： A method is provided of performing a session transfer with Single Radio Voice Call Continuity, SRVCC, from a Packet Switched, PS, access to a Circuit Switched, CS, access of a telecommunications session that has been established over the PS access via an IP Multimedia Subsystem, IMS, network. A request for the transfer of the session is received. An indication of a voice codec that is currently being used for the session is obtained from the IMS network. Allocation of resources for the session in the CS access network is initiated, including specifying the voice codec to be used based on the obtained codec indication. Transfer of the session to the CS access is initiated so that the session continues with use of the specified voice codec.
摘要翻译：提供了一种方法，用于通过IP多媒体通过PS接入建立的电信会话的接入，执行从分组交换的PS单播无线语音呼叫连续性SRVCC的会话传送子系统，IMS，网络。接收会议转移请求。从IMS网络获得当前用于会话的语音编解码器的指示。启动CS接入网络中会话资源的分配，包括根据获得的编解码器指示指定要使用的语音编解码器。启动会话到CS访问的传送，以便会话继续使用指定的语音编解码器。

10. 发明申请

WO2013110345A1 HANDOVER OF PRIORITY CALLS FROM A CIRCUIT SWITCHED ACCESS NETWORK WITH SINGLE RADIO VOICE CALL CONTINUITY 审中-公开
标题翻译：从具有单一无线电语音呼叫连续性的电路切换接入网络切换优先呼叫
公开(公告)号：WO2013110345A1
公开(公告)日：2013-08-01
申请号：PCT/EP2012/051338
申请日：2012-01-27
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , KELLER, Ralf , LINDHOLM, Fredrik
发明人： KELLER, Ralf , LINDHOLM, Fredrik
IPC分类号： H04W36/00
CPC分类号： H04W36/0022 , H04W76/36
摘要： A method is provided of handing over a priority call with Single Radio Voice Call Continuity, SRVCC. The priority call is handed over from a User Equipment, UE, accessing an IP Multimedia Subsystem, IMS, network via a Circuit Switched, CS, access network to a target Packet Switched, PS, access network thereby establishing a priority IMS session. The priority call has a specified CS priority level. The method includes sending a hand over request from the CS access network towards the PS access network and the IMS network to transfer the priority call. A PS priority level for the session in the PS network is determined based on the specified CS priority level. Bearer resources for the IMS session are allocated. The bearer resources are based, at least in part, on the PS priority level. The call is transferred to the IMS session over the PS access network.
摘要翻译：提供了一种通过单无线电语音呼叫连续性SRVCC递交优先呼叫的方法。优先呼叫从用户设备UE切换，经由电路交换CS接入网络接入IP多媒体子系统IMS，网络到目标分组交换，PS接入网络，从而建立优先IMS会话。优先呼叫具有指定的CS优先级。该方法包括从CS接入网向PS接入网和IMS网发送请求转交优先呼叫。基于指定的CS优先级来确定PS网络中的会话的PS优先级。分配用于IMS会话的承载资源。承载资源至少部分地基于PS优先级。该呼叫通过PS接入网络传送到IMS会话。

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