Echo canceler with automatic enablement/disablement on a per-call basis
    2.
    发明授权
    Echo canceler with automatic enablement/disablement on a per-call basis 失效
    回声消除器在每个呼叫的基础上自动启用/禁用

    公开(公告)号:US5530724A

    公开(公告)日:1996-06-25

    申请号:US346445

    申请日:1994-11-29

    CPC分类号: H04M3/002 H04B3/23

    摘要: Echo cancellation can be enabled to cancel echoes on an outbound transmission path based on original signals on an inbound transmission path. A controller of echo canceler enablement monitors digitized control information contained in call origination messages associated with the establishment of communications. A determination of the type of digitized information to be carried by a two-way communication channel is made. The controller causes the echo canceler to be enabled or disabled on a per-call basis based on the type of digitized information. A stand-alone echo canceler provides automatic enablement/disablement on a per-call basis based on the type of digitized information to be carried on a communication channel as determined by monitoring associated control messages.

    摘要翻译: 可以根据入站传输路径上的原始信号,启用回波消除以消除出站传输路径上的回波。 回波消除器启动控制器监视包含在与通信建立相关联的呼叫发起消息中的数字化控制信息。 进行由双向通信信道携带的数字化信息的类型的确定。 基于数字化信息的类型,控制器使得回呼消除器在每个呼叫基础上被启用或禁用。 独立的回波消除器基于通过监视相关联的控制消息确定的在通信信道上承载的数字化信息的类型,在每个呼叫基础上提供自动启用/禁用。

    Setting up calls over circuit and packet-switched resources on a network
    3.
    发明授权
    Setting up calls over circuit and packet-switched resources on a network 有权
    在网络上设置电路和分组交换资源

    公开(公告)号:US07158508B2

    公开(公告)日:2007-01-02

    申请号:US10027068

    申请日:2001-12-21

    IPC分类号: H04L12/66 H04L12/28 H04L12/50

    摘要: A method of setting up calls over circuit-switched and packet-switched resources on a single network having the steps of receiving a request from a user for a call having one or more resources, and allocating the one or more resources among packet-switched, resources and circuit-switched resources associated with a communication network to set up the call. The call may be a multi-media call. Resources may be allocated based on one or more call characteristics that may be in a request for resources by the user.

    摘要翻译: 一种在单个网络上对电路交换和分组交换资源建立呼叫的方法,所述方法具有以下步骤:从具有一个或多个资源的呼叫接收来自用户的请求,并且在分组交换之间分配所述一个或多个资源, 与通信网络相关联的资源和电路交换资源来建立呼叫。 呼叫可以是多媒体呼叫。 资源可以基于可能在用户对资源的请求中的一个或多个呼叫特性来分配。