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    Determination of the propagation delay in a packet switched network
    5.
    发明授权
    Determination of the propagation delay in a packet switched network 有权
    确定分组交换网络中的传播延迟

    公开(公告)号：US07016355B1

    公开(公告)日：2006-03-21

    申请号：US09830430

    申请日：1999-10-26

    申请人： Leslie Graf ,  Christian Groves ,  Ian Rytina

    发明人： Leslie Graf ,  Christian Groves ,  Ian Rytina

    IPC分类号： H04L12/28 ,  H04L12/66 ,  H04B3/20

    CPC分类号： H04L12/64

    摘要： A method of determining the propagation delay over a packet switched network intented to provide a segment of a telephone circuit. In response to a request for a telephone circuit between two subscribers, a packet containing an echo request message is transmitted over the packet switched network from a first network node to a second network node. The second network node reacts to receipt of the echo request message by transmitting a packet containing an echo reply message to the first network node. The first network node then determines the round trip propagation delay for the packet switched network segment on the basis of the time which elapses between sending the echo request message from the first node and receiving the echo reply message also at the first node.

    摘要翻译： 一种确定分组交换网络上传播延迟的方法，该分组交换网络旨在提供电话电路的一部分。 响应于两个用户之间的电话电路的请求，包含回波请求消息的分组通过分组交换网络从第一网络节点传输到第二网络节点。 第二网络节点通过向第一网络节点发送包含回应应答消息的分组来响应接收回叫请求消息。 然后，第一网络节点根据在发送来自第一节点的回波请求消息之间经过的时间以及也在第一节点处接收到回复应答消息来确定分组交换网段的往返传播延迟。

    POLICY CO-ORDINATION IN A COMMUNICATIONS NETWORK
    6.
    发明申请
    POLICY CO-ORDINATION IN A COMMUNICATIONS NETWORK 有权
    通信网络中的政策协调

    公开(公告)号：US20110289226A1

    公开(公告)日：2011-11-24

    申请号：US11761115

    申请日：2007-06-11

    申请人： Brian Williams ,  Leslie Graf ,  Mark Hollis ,  Ian Rytina

    发明人： Brian Williams ,  Leslie Graf ,  Mark Hollis ,  Ian Rytina

    IPC分类号： G06F15/16

    CPC分类号： H04L67/1095 ,  H04L41/0893 ,  H04L65/1016 ,  H04L65/1069 ,  H04Q2213/13098 ,  H04Q2213/13372 ,  H04W76/10 ,  H04W80/00 ,  H04W84/04 ,  H04W92/24

    摘要： In order to address the problem of allowing a GGSN of a UMTS core network to work towards multiple Policy Control Functions (PCFs) co-located with P-CSCF nodes using the COPS protocol, a policy control function coordinator (PCF-C) is implemented between the GGSN and the P-CSCF. A single COPS connection is established between the GGSN and the PCF-C while a COPS connection is established between the PCF-C and each of the P-CSCF nodes. Decisions made at the PCFs are routed to the GGSN via the PCF-C, and responses generated at the GGSN are routed to the appropriate PCFs via the GGSN. This architecture avoids conflicts which might otherwise arise with the COPS protocol.

    摘要翻译： 为了解决允许UMTS核心网的GGSN对于使用COPS协议与P-CSCF节点同位置的多个策略控制功能（PCF）工作的问题，实施策略控制功能协调器（PCF-C） 在GGSN和P-CSCF之间。 在PCF-C和每个P-CSCF节点之间建立COPS连接之间，在GGSN和PCF-C之间建立单个COPS连接。 在PCF处进行的决定通过PCF-C路由到GGSN，GGSN产生的响应通过GGSN路由到适当的PCF。 该架构避免了COPS协议可能出现的冲突。

    Method and system of managing a call in a telecommunication system
    7.
    发明授权
    Method and system of managing a call in a telecommunication system 有权
    在电信系统中管理呼叫的方法和系统

    公开(公告)号：US07257111B2

    公开(公告)日：2007-08-14

    申请号：US10491868

    申请日：2001-10-08

    申请人： Christian Groves ,  Ian Rytina ,  Phil Hodges ,  Juan Noguera-Rodriguez ,  Fredrik Åberg ,  John Kerr

    发明人： Christian Groves ,  Ian Rytina ,  Phil Hodges ,  Juan Noguera-Rodriguez ,  Fredrik Åberg ,  John Kerr

    IPC分类号： H04L12/66

    CPC分类号： H04L65/1043 ,  H04L29/06027 ,  H04Q3/0025 ,  H04Q2213/13034 ,  H04Q2213/13176 ,  H04Q2213/13196 ,  H04Q2213/13204 ,  H04Q2213/13389

    摘要： The present invention relates generally to telecommunication services and, in particular, to a system and method of managing a call, particularly with regard to a modification to bearer characteristics. In one aspect the invention provides a method and system of managing a call in a telecommunication system, the telecommunication system including a network having at least one call controller effecting a call control function and at least one bearer controller effecting a bearer control function, the call controller and the bearer controller separated by a vertical control protocol interface, including providing in at least one message, communicated within the telecommunication system, an indication of the capability of the at least one bearer controller to modify a characteristic of a bearer; and receiving and storing said indication in the at least one call controller. In another aspect the invention provides a media gateway controller being operable to request indications and to receive indications from at least one media gateway of the capability of the at least one media gateway to modify a characteristic of a bearer established by the at least media gateway. In a preferred embodiment the invention provides a media gateway controller operable to receive requests for an indication of the capability of the at least one media gateway to modify a characteristic of a bearer established by the media gateway.

    摘要翻译： 本发明一般涉及电信业务，尤其涉及一种管理呼叫的系统和方法，特别是关于对承载特性的修改。 一方面，本发明提供了一种在电信系统中管理呼叫的方法和系统，所述电信系统包括具有影响呼叫控制功能的至少一个呼叫控制器的网络和至少一个执行承载控制功能的承载控制器，所述呼叫 控制器和由垂直控制协议接口分离的承载控制器，包括在电信系统内传送的至少一个消息中提供至少一个承载控制器修改承载特性的能力的指示; 以及在所述至少一个呼叫控制器中接收并存储所述指示。 在另一方面，本发明提供一种媒体网关控制器，其可操作以请求指示并从至少一个媒体网关接收至少一个媒体网关的能力的指示，以修改由至少媒体网关建立的承载的特征。 在优选实施例中，本发明提供一种媒体网关控制器，其可操作以接收对所述至少一个媒体网关的能力的指示的请求，以修改媒体网关建立的承载的特征。

    Policy co-ordination in a communications network
    8.
    发明授权
    Policy co-ordination in a communications network 有权
    通信网络中的政策协调

    公开(公告)号：US08195811B2

    公开(公告)日：2012-06-05

    申请号：US11761115

    申请日：2007-06-11

    申请人： Brian Charles Williams ,  Leslie Graf ,  Mark Hollis ,  Ian Rytina

    发明人： Brian Charles Williams ,  Leslie Graf ,  Mark Hollis ,  Ian Rytina

    IPC分类号： G06F15/16

    CPC分类号： H04L67/1095 ,  H04L41/0893 ,  H04L65/1016 ,  H04L65/1069 ,  H04Q2213/13098 ,  H04Q2213/13372 ,  H04W76/10 ,  H04W80/00 ,  H04W84/04 ,  H04W92/24

    摘要： In order to address the problem of allowing a GGSN of a UMTS core network to work towards multiple Policy Control Functions (PCFs) co-located with P-CSCF nodes using the COPS protocol, a policy control function coordinator (PCF-C) is implemented between the GGSN and the P-CSCF. A single COPS connection is established between the GGSN and the PCF-C while a COPS connection is established between the PCF-C and each of the P-CSCF nodes. Decisions made at the PCFs are routed to the GGSN via the PCF-C, and responses generated at the GGSN are routed to the appropriate PCFs via the GGSN. This architecture avoids conflicts which might otherwise arise with the COPS protocol.

    摘要翻译： 为了解决允许UMTS核心网的GGSN对于使用COPS协议与P-CSCF节点同位置的多个策略控制功能（PCF）工作的问题，实施策略控制功能协调器（PCF-C） 在GGSN和P-CSCF之间。 在PCF-C和每个P-CSCF节点之间建立COPS连接之间，在GGSN和PCF-C之间建立单个COPS连接。 在PCF处进行的决定通过PCF-C路由到GGSN，GGSN产生的响应通过GGSN路由到适当的PCF。 该架构避免了COPS协议可能出现的冲突。

    Policy co-ordination in a communications network
    9.
    发明授权
    Policy co-ordination in a communications network 有权
    通信网络中的政策协调

    公开(公告)号：US07246165B2

    公开(公告)日：2007-07-17

    申请号：US10497131

    申请日：2001-11-28

    申请人： Brian Williams ,  Leslie Graf ,  Mark Hollis ,  Ian Rytina

    发明人： Brian Williams ,  Leslie Graf ,  Mark Hollis ,  Ian Rytina

    IPC分类号： G06F15/16

    CPC分类号： H04L67/1095 ,  H04L41/0893 ,  H04L65/1016 ,  H04L65/1069 ,  H04Q2213/13098 ,  H04Q2213/13372 ,  H04W76/10 ,  H04W80/00 ,  H04W84/04 ,  H04W92/24

    摘要： In order to address the problem of allowing a GGSN 16 of a UMTS core network to work towards multiple Policy Control Functions (PCFs) 17 co-located with P-CSCF nodes 18 using the COPS protocol, a policy control function coordinator (PCF-C) 15 is implemented between the GGSN 16 and the P-CSCF 18. A single COPS connection is established between the GGSN 16 and the PCF-C 15, whilst a COPS connection is established between the PCF-C 15 and each of the P-CSCF nodes 18. Decisions made at the PCFs 17 are routed to the GGSN 16 via the PCF-C 17, and responses generated at the GGSN 16 are routed to the appropriate PCFs 17 via the GGSN 17. This architecture avoids conflicts which might otherwise arise with the COPS protocol.

    摘要翻译： 为了解决允许UMTS核心网络的GGSN 16对使用COPS协议与P-CSCF节点18位于同一位置的多个策略控制功能（PCF）17工作的问题，策略控制功能协调器（PCF-C ）15在GGSN 16和P-CSCF 18之间实现。在GGSN 16和PCF-C 15之间建立单个COPS连接，同时在PCF-C 15和每个P- CSCF节点18。 在PCF 17处进行的决定经由PCF-C 17被路由到GGSN 16，并且在GGSN 16产生的响应通过GGSN 17路由到适当的PCF 17。 该架构避免了COPS协议可能出现的冲突。

    Policy co-ordination in a communications network
    10.
    发明申请
    Policy co-ordination in a communications network 有权
    通信网络中的政策协调

    公开(公告)号：US20050091409A1

    公开(公告)日：2005-04-28

    申请号：US10497131

    申请日：2001-11-28

    申请人： Brian Williams ,  Leslie Graf ,  Mark Hollis ,  Ian Rytina

    发明人： Brian Williams ,  Leslie Graf ,  Mark Hollis ,  Ian Rytina

    IPC分类号： H04L12/24 ,  H04L12/56 ,  H04L29/06 ,  H04L29/08 ,  H04W76/02 ,  H04W80/00 ,  H04W84/04 ,  H04W92/24 ,  H04L9/00

    CPC分类号： H04L67/1095 ,  H04L41/0893 ,  H04L65/1016 ,  H04L65/1069 ,  H04Q2213/13098 ,  H04Q2213/13372 ,  H04W76/10 ,  H04W80/00 ,  H04W84/04 ,  H04W92/24

    摘要： In order to address the problem of allowing a GGSN 16 of a UMTS core network to work towards multiple Policy Control Functions (PCFs) 17 co-located with P-CSCF nodes 18 using the COPS protocol, a policy control function coordinator (PCF-C) 15 is implemented between the GGSN 16 and the P-CSCF 18. A single COPS connection is established between the GGSN 16 and the PCF-C 15, whilst a COPS connection is established between the PCF-C 15 and each of the P-CSCF nodes 18. Decisions made at the PCFs 17 are routed to the GGSN 16 via the PCF-C 17, and responses generated at the GGSN 16 are routed to the appropriate PCFs 17 via the GGSN 17. This architecture avoids conflicts which might otherwise arise with the COPS protocol.

    摘要翻译： 为了解决允许UMTS核心网络的GGSN 16对使用COPS协议与P-CSCF节点18位于同一位置的多个策略控制功能（PCF）17工作的问题，策略控制功能协调器（PCF-C ）15在GGSN 16和P-CSCF 18之间实现。在GGSN 16和PCF-C 15之间建立单个COPS连接，同时在PCF-C 15和每个P- CSCF节点18.在PCF 17处进行的决定经由PCF-C 17被路由到GGSN 16，并且在GGSN 16处生成的响应通过GGSN 17被路由到适当的PCF 17。这种架构避免了可能出现的冲突 与COPS协议。