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    CALL CONTROL METHOD IN PACKET SWITCHED NETWORKS
    1.
    发明公开
    CALL CONTROL METHOD IN PACKET SWITCHED NETWORKS 有权
    在分组交换网络连接控制方法

    公开(公告)号：EP1721422A1

    公开(公告)日：2006-11-15

    申请号：EP05708474.1

    申请日：2005-02-25

    申请人： BAE Systems PLC

    发明人： WRAY, Stuart Charles ,  JONES, Clive Ellis ,  JENNER, Stephen Matthew ,  SALTER, Robert John

    IPC分类号： H04L12/56 ,  H04L29/06

    CPC分类号： H04L12/56 ,  H04L29/06027 ,  H04L43/0835 ,  H04L65/1069 ,  H04L65/80

    摘要： Described herein is a method of controlling calls for packet switched networks, each network including at least two local area networks (50, 60) and a connecting network (70). The method comprises the steps of determining an 5 acceptable packet loss rate for a call to be established between two of the local area networks, comparing actual packet loss rate to the acceptable packet loss rate, and dropping the call if the actual packet loss rate is greater than the acceptable packet loss rate. determining for how long a period the actual packet loss rate has been happening and utilising that period in deciding to drop the call. A recorded announcement may be played when the call is to be dropped. Alternatively, the priority of the transmission of the continuous stream of data can be changed when the actual packet loss rate is not acceptable and the above steps are repeated. Ideally, data relating to dropped calls is stored for future one.

    A NETWORK MANAGEMENT ASSEMBLY FOR MANAGING A FLOW OF NETWORK MANAGEMENT TRAFFIC
    2.
    发明公开
    A NETWORK MANAGEMENT ASSEMBLY FOR MANAGING A FLOW OF NETWORK MANAGEMENT TRAFFIC 有权
    NETZWERKVERWALTUNGSANORDUNG ZUM VERWALTEN EINES TROMS VON NETZWERKSVERWALTUNGSVERKEHR

    公开(公告)号：EP2676403A1

    公开(公告)日：2013-12-25

    申请号：EP12705391.6

    申请日：2012-02-14

    申请人： BAE Systems Plc.

    发明人： SALTER, Robert John

    IPC分类号： H04L12/24 ,  H04L29/06

    CPC分类号： H04L47/10 ,  H04L41/28 ,  H04L67/125

    摘要： A network management assembly is disclosed for managing a flow of network management traffic across a network comprising a plurality of discrete network domains. The assembly comprises a first management terminal which is arranged to transmit network management traffic to each of the network domains via a respective first communication link and a second management terminal which is arranged to receive network management traffic from each of the network domains via a respective second communication link. Each of the first communication links are arranged to permit a flow of network management traffic from the first management terminal to the respective domain and prevent a flow of network management traffic from the respective domain to the first management terminal. Each of the second communication links are similarly arranged to permit a flow of network management traffic from the respective domain to the second management terminal and prevent a flow of network management traffic from the second management terminal to the respective domain. This arrangement is found to minimise the exposure of a particular communications link to information about the network.

    摘要翻译： 公开了一种用于管理跨越包含多个离散网络域的网络的网络管理流量的网络管理组件。 组件可以包括第一管理终端，其被布置成经由相应的第一通信链路将网络管理业务传输到每个网络域;以及第二管理终端，其被布置成经由以下网络接收来自每个网络域的网络管理业务： 各自的第二通信链路。 第一通信链路中的每一个可以允许从第一管理终端到相应域的网络管理流量的流动，并且防止从相应域到第一管理终端的网络管理业务的逆向流。 第二通信链路中的每一个可以允许从相应域到第二管理终端的网络管理流量流，并且防止逆向流。

    VOICE TRAFFIC GATEWAY
    5.
    发明公开
    VOICE TRAFFIC GATEWAY 审中-公开
    GATEWAY语音流量

    公开(公告)号：EP2676428A1

    公开(公告)日：2013-12-25

    申请号：EP12705397.3

    申请日：2012-02-16

    申请人： BAE Systems Plc

    发明人： SALTER, Robert John ,  JENNER, Stephen Matthew Allan

    IPC分类号： H04M7/00 ,  H04L29/06

    CPC分类号： H04M3/38 ,  H04L63/0227 ,  H04L63/105 ,  H04M3/205 ,  H04M7/0078

    摘要： A voice traffic gateway including: a voice traffic input, a voice traffic output, a first domain router, non-secure warning (NSW) tone application apparatus and a signalling filter. The input receives voice traffic including voice messages and signalling messages from a first traffic domain. The output delivers output voice messages and signalling messages to a second, different traffic domain. The first domain router routes voice messages to the NSW apparatus and routes signalling messages to the signalling filter. The NSW apparatus applies a NSW tone to a received voice message to form an output voice message. The signalling filter compares a feature of a received signalling message with a reference feature. The signalling filter will pass a signalling message if the signalling message feature is the same as the reference feature and will block a signalling message if the signalling message feature is not the same as the reference feature.

    CALL CONTROL METHOD IN PACKET SWITCHED NETWORKS
    6.
    发明授权
    CALL CONTROL METHOD IN PACKET SWITCHED NETWORKS 有权
    在分组交换网络连接控制方法

    公开(公告)号：EP1721422B1

    公开(公告)日：2008-01-23

    申请号：EP05708474.1

    申请日：2005-02-25

    申请人： BAE Systems PLC

    发明人： WRAY, Stuart Charles ,  JONES, Clive Ellis ,  JENNER, Stephen Matthew ,  SALTER, Robert John

    IPC分类号： H04L12/56 ,  H04L29/06

    CPC分类号： H04L12/56 ,  H04L29/06027 ,  H04L43/0835 ,  H04L65/1069 ,  H04L65/80

    摘要： Described herein is a method of controlling calls for packet switched networks, each network including at least two local area networks (50, 60) and a connecting network (70). The method comprises the steps of determining an 5 acceptable packet loss rate for a call to be established between two of the local area networks, comparing actual packet loss rate to the acceptable packet loss rate, and dropping the call if the actual packet loss rate is greater than the acceptable packet loss rate. determining for how long a period the actual packet loss rate has been happening and utilising that period in deciding to drop the call. A recorded announcement may be played when the call is to be dropped. Alternatively, the priority of the transmission of the continuous stream of data can be changed when the actual packet loss rate is not acceptable and the above steps are repeated. Ideally, data relating to dropped calls is stored for future one.

    VOICE TRAFFIC GATEWAY
    9.
    发明授权
    VOICE TRAFFIC GATEWAY 有权

    公开(公告)号：EP2676428B1

    公开(公告)日：2018-10-10

    申请号：EP12705397.3

    申请日：2012-02-16

    申请人： BAE Systems PLC

    发明人： SALTER, Robert John ,  JENNER, Stephen Matthew Allan

    IPC分类号： H04M7/00 ,  H04L29/06

    CPC分类号： H04M3/38 ,  H04L63/0227 ,  H04L63/105 ,  H04M3/205 ,  H04M7/0078

    摘要： A voice traffic gateway including: a voice traffic input, a voice traffic output, a first domain router, non-secure warning (NSW) tone application apparatus and a signalling filter. The input receives voice traffic including voice messages and signalling messages from a first traffic domain. The output delivers output voice messages and signalling messages to a second, different traffic domain. The first domain router routes voice messages to the NSW apparatus and routes signalling messages to the signalling filter. The NSW apparatus applies a NSW tone to a received voice message to form an output voice message. The signalling filter compares a feature of a received signalling message with a reference feature. The signalling filter will pass a signalling message if the signalling message feature is the same as the reference feature and will block a signalling message if the signalling message feature is not the same as the reference feature.