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1. 发明授权

US11206698B2 Core network functions 有权
公开(公告)号：US11206698B2
公开(公告)日：2021-12-21
申请号：US16923761
申请日：2020-07-08
申请人： Metaswitch Networks Ltd.
发明人： Leland Douglas Benson , David Reekie , Benjamin Thomas Wright , Matthew Ian Ronald Williams , Richard Hewitt
IPC分类号： H04W76/10 , H04M15/00 , H04W8/18 , H04W48/16 , H04W72/04 , H04W84/04 , H04W88/16
摘要： In one aspect, a control plane Interworking Function (IWF-C) is used to establish a Packet Data Unit (PDU) session in a data communications network. A create session request is received, for example from a Mobile Management Entity (MME). A create session management context request is generated by the IWF-C and transmitted to a Session Management Function (SMF). A create session management context request response is received from the SMF. A create session request response is generated by the IWF-C and sent, for example to the MME. In other aspects, control plane policy interworking and user plane interworking is provided between components of 4G and 5G networks.

2. 发明授权

US10244112B2 Prioritising calls 有权
公开(公告)号：US10244112B2
公开(公告)日：2019-03-26
申请号：US15693206
申请日：2017-08-31
申请人： METASWITCH NETWORKS LTD
发明人： Jorge Cañas , Richard Hewitt
IPC分类号： H04M3/51 , H04L29/06 , H04M3/42 , H04M3/436
摘要： A network function operable in a communication network, in which the network function is configured to receive a call setup request from an emergency service to set up a call between the emergency service and a user terminal, the received call setup request comprising a called party identifier. The network function determines whether the called party identifier is of a first type or of a second, different type, wherein the first type of called party identifier comprises a dialable number temporarily associated with the user terminal for use in receiving a call from the emergency service. In response to determining that the called party identifier is of the first type, the network function transmits priority indication data to a further network function in the communication network in order to cause the further network function to prioritize handling of the call between the emergency service and the user terminal.

3. 发明授权

US11129212B2 Core network functions 有权
公开(公告)号：US11129212B2
公开(公告)日：2021-09-21
申请号：US16784573
申请日：2020-02-07
申请人： Metaswitch Networks Ltd.
发明人： Leland Douglas Benson , David Reekie , Benjamin Thomas Wright , Matthew Ian Ronald Williams , Richard Hewitt
IPC分类号： H04W76/10 , H04M15/00 , H04W8/18 , H04W48/16 , H04W72/04 , H04W84/04 , H04W88/16
摘要： In one aspect, a control plane Interworking Function (IWF-C) is used to establish a Packet Data Unit (PDU) session in a data communications network. A create session request is received, for example from a Mobile Management Entity (MME). A create session management context request is generated by the IWF-C and transmitted to a Session Management Function (SMF). A create session management context request response is received from the SMF. A create session request response is generated by the IWF-C and sent, for example to the MME. In other aspects, control plane policy interworking and user plane interworking is provided between components of 4G and 5G networks.

4. 发明授权

US09467375B2 Service migration 有权
标题翻译：服务迁移
公开(公告)号：US09467375B2
公开(公告)日：2016-10-11
申请号：US13968918
申请日：2013-08-16
申请人： Metaswitch Networks Ltd
发明人： Oliver James Carter , Richard Hewitt , Steve Welham
IPC分类号： H04L12/741 , H04L29/14 , H04L29/06 , H04L29/12
CPC分类号： H04L45/745 , H04L61/103 , H04L61/6009 , H04L65/1073 , H04L69/40
摘要： At a migration server separate from a first server, a plurality of incoming internet protocol, IP, packets directed at an IP address associated with an IP service are received. On the basis of one or more source characteristics associated with IP packets in the plurality, it is determined that a first subset of packets in the plurality originated from one or more client devices which have not been migrated to a second server and that a second subset in the plurality originated from one or more client devices which have been migrated to the second server. IP packets determined to be in the first subset are forwarded to a first physical address associated with the first server for processing at the first server. IP packets determined to be in the second subset are processed at the second server.
摘要翻译：在与第一服务器分离的迁移服务器处，接收多个传入的因特网协议IP，指向与IP服务相关联的IP地址的分组。基于与多个IP分组相关联的一个或多个源特征，确定多个中的分组的第一子集来自未迁移到第二服务器的一个或多个客户端设备，并且第二子集在来自一个或多个已被迁移到第二服务器的客户端设备中的多个。确定在第一子集中的IP分组被转发到与第一服务器相关联的第一物理地址，以在第一服务器处理。确定在第二子集中的IP分组在第二服务器处理。

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