WO2014079301A1 - 一种会议电视终端及其自恢复控制方法和相关设备 - Google Patents

一种会议电视终端及其自恢复控制方法和相关设备 Download PDF

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Publication number
WO2014079301A1
WO2014079301A1 PCT/CN2013/085994 CN2013085994W WO2014079301A1 WO 2014079301 A1 WO2014079301 A1 WO 2014079301A1 CN 2013085994 W CN2013085994 W CN 2013085994W WO 2014079301 A1 WO2014079301 A1 WO 2014079301A1
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Prior art keywords
conference
master
television terminal
terminal
master device
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PCT/CN2013/085994
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English (en)
French (fr)
Inventor
周运武
Original Assignee
中兴通讯股份有限公司
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Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to AU2013347604A priority Critical patent/AU2013347604B2/en
Priority to EP13856524.7A priority patent/EP2911386A4/en
Priority to US14/646,211 priority patent/US20150304610A1/en
Publication of WO2014079301A1 publication Critical patent/WO2014079301A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H04N7/152—Multipoint control units therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems

Definitions

  • the present invention relates to the field of communication technologies, and in particular, to a conference television terminal, a self-restoring control method thereof, and related equipment.
  • the conference television system is composed of at least two conference television terminals, and the user's audio and video calls are realized through data transmission between the conference television terminals.
  • conference television terminals there are two types, one is an ordinary terminal, and the other is a built-in MCU. (Multipoint Control Unit) terminal.
  • Ordinary terminals support point-to-point conferences, such as A and B as shown in Figure 1.
  • the built-in MCU terminal can support multi-point conferences.
  • the general call limit is five.
  • the A-end when the venue size is less than 6, the use of the built-in MCU terminal for multi-point conference is an affordable. options.
  • the current conference TV terminal has only the master device.
  • the master device if the master device has a hardware failure, the conference TV will be interrupted, and the master device will have to return to the factory for repair or Replacing a new main device brings a lot of inconvenience, especially in some important conference occasions. If the conference is interrupted, it will cause great trouble to the user and indirectly cause many losses.
  • the present invention provides a conference television terminal and a self-recovery control method thereof and related equipment.
  • the present invention provides a conference television terminal, including: a master device, configured to: connect the conference television terminal to a conference; the master control device is configured to: in a normal working process of the conference television terminal, The configuration information is updated synchronously with the master device.
  • a control command is generated and sent out.
  • the slave device is configured to: receive the control command, and connect the conference television terminal to the conference according to the control command.
  • the master device is configured to: when the master device fails, issue a fault information to the master device, and the master device is configured to: generate the control command according to the fault information.
  • the master control device is configured to: periodically detect the master device, and when detecting that the master device is faulty, the master control device generates the control command.
  • control command includes a call configuration information
  • slave device is configured to: initiate a call according to the call configuration information, to connect the conference television terminal to the conference; wherein the call configuration information and the master device are faulty The configuration information at the time corresponds.
  • the conference television terminal further includes a multipoint control unit (MCU) configured to: control the master device or the slave device to connect the conference television terminal to the multi-terminal conference.
  • MCU multipoint control unit
  • the present invention provides a self-recovery control method for a conference television terminal, including: the conference television terminal includes a master device, a master control device, and a slave device, and the master device accesses the conference television terminal.
  • the master device of the conference television terminal synchronizes with the master device to update the configuration information.
  • the master control device When the master device fails, the master control device generates a control command and sends it to the conference television terminal. After receiving the control command from the device of the conference television terminal, the conference television terminal accesses the conference television terminal to the conference according to the control command.
  • the present invention further provides a master control device, including: a configuration information update unit, configured to: update the configuration information synchronously with the master device of the conference television terminal during the normal working process of the conference television terminal; And being set to: when the master device fails, generate a control command; and the sending unit is configured to: send the control command to the slave device of the conference television terminal.
  • a configuration information update unit configured to: update the configuration information synchronously with the master device of the conference television terminal during the normal working process of the conference television terminal; And being set to: when the master device fails, generate a control command; and the sending unit is configured to: send the control command to the slave device of the conference television terminal.
  • the technical solution of the embodiment of the present invention is used to set a control relationship between the master control device and the master and slave devices, which can be in the conference television terminal without affecting other normal terminal sessions. If the device is faulty, the self-recovery conference is performed. The master device controls the slave device to connect the terminal to the site. This prevents the interruption of the conference and keeps the current conference open.
  • FIG. 1 is a conference television system composed of a common terminal in the related art
  • 2 is a conference television system composed of a built-in MCU terminal in the related art
  • FIG. 3 is a schematic structural diagram of a conference television terminal according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of the composition of a conference television system according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a conference television terminal according to another embodiment of the present invention.
  • Figure 6 is a schematic structural view of the main control device of the present invention.
  • FIG. 7 is a flowchart of a self-recovery control method of a conference television terminal of the present invention.
  • FIG. 8 is a flow chart of self-recovery of a conference television terminal in a conference according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a conference television terminal according to the present invention, which includes: a master control device a1, a master device a2, and a slave device a3, wherein the master device a2 connects the conference television terminal to the conference; the master control device a1 is in the conference television.
  • the configuration information is updated synchronously with the master device.
  • the master device a2 fails, a control command is generated and sent to the slave device a3.
  • the slave device a3 receives a control command issued by the master device, and the conference television is received according to the control command.
  • the terminal accesses the conference.
  • the conference television terminal of the present invention accesses the conference site through the master device a2 during normal operation, and controls the master device a2 and the slave device a3 by using the master device a1.
  • the master device a2 fails, the slave device a3 is notified immediately.
  • the terminal is connected to the conference site, so that the terminal can be restored, and the conference is stopped halfway due to the suspension of the master device a2.
  • the master device a1 in the system initialization phase, sends the initial configuration information and the related conference information to the master device a2 and the slave device a3, and the master device a2 connects the terminal to the conference site, and the terminal works normally.
  • the master device a1 keeps the configuration information updated synchronously with the master device a2.
  • the master device a2 fails, it actively sends a fault message to the master device a1.
  • the master device a1 receives the fault information according to the fault information.
  • a control command is generated and sent to the slave device a3, and the slave device a3 is notified to connect the terminal to the conference site to complete the self-recovery of the terminal.
  • the master device a1 periodically detects the master device a2, for example, checks the running state of the master device a2 by using a periodic keep-alive process, and when detecting that the master device a2 appears. In the event of a fault, the master device a1 immediately generates a control command and sends it to the slave device a3, informing the slave device a3 to connect the terminal to the conference site and complete the self-recovery of the terminal.
  • the control command generated by the master device a includes the relevant configuration information required when the slave device a3 accesses the terminal.
  • the control command generated by the master device a1 includes a call configuration information corresponding to the configuration information when the master device a2 fails, and thus includes the conference at the time of the failure.
  • the current configuration information when the terminal is restored from the device a3, the call is initiated by the call configuration information, and the terminal can be smoothly connected to the conference without occurrence of a jam.
  • the conference television terminal in the above embodiment solves the situation that the original conference television terminal causes the terminal to hang once the master device fails, and can be widely applied to an ordinary point-to-point terminal and a terminal with a built-in MCU.
  • a terminal of a built-in MCU for example, when the A terminal in FIG. 2 has the conference television terminal structure of the present invention, referring to FIG. 4, first, the A terminal has a built-in multipoint control unit MCU (not shown in FIG. 4).
  • the second terminal also has the above-mentioned main control device, the master device and the slave device, and the MCU controls the master device to connect the local device to the multipoint conference, and hold multiple conferences with the other five sub-meeting sites, when the master device fails.
  • the slave device connects the local end to the conference, and the slave device enters the running state to ensure that the A end is continuously connected. Then the MCU controls the slave device to continue the multipoint conference.
  • the conference television terminal of the present invention can be used in other sub-sites other than the A terminal (as shown in FIG. 5, the B-end includes the main control device b1, the main device b2, and the slave device. Device b3) to ensure that the local conference connection is normal.
  • FIG. 6 is a schematic structural diagram of a main control device according to the present invention, which includes:
  • the configuration information updating unit 101 is configured to update configuration information with the master device of the conference television terminal during the normal working process of the conference television terminal;
  • the detecting processing unit 102 is configured to generate a control command when the master device fails, and send the control unit 103 to send the control command to the slave device of the conference television terminal.
  • the detection processing unit 102 can receive the fault information issued when the master device fails, generate a corresponding control command according to the fault information, or generate a control command by periodically detecting the fault of the master device, and generate the control command.
  • the configuration information necessary for the terminal to access the device is included, for example, the call configuration information corresponding to the configuration information when the primary device fails.
  • the slave device initiates a call according to the call configuration information, and the terminal is connected to the site, and is visible.
  • the main control device can ensure the smooth and continuous access state of the terminal in the conference site.
  • the self-recovery control method of the conference television terminal of the present invention includes: S201, the main device of the conference television terminal accesses the conference television terminal to the conference;
  • the master device of the conference television terminal synchronizes with the master device to update the configuration information.
  • the master control device generates a control command and sends the slave terminal to the conference television terminal.
  • the conference television terminal After receiving the control command from the device of the conference television terminal, the conference television terminal is connected to the conference according to the control command.
  • the self-recovery control method is used to control the main control device, the master device, and the slave device of the terminal during the operation of the conference television terminal.
  • the master device fails, the slave device is accessed to ensure that the terminal does not fail due to the master device.
  • the dropped line is interrupted.
  • the master device when the master device fails, the master device sends a fault information to the master device, and the master device generates the control command according to the fault information; or, the master device performs periodic detection on the master device.
  • the master device detects a failure, the master device generates a control command.
  • the control command includes the call configuration information, and corresponds to the configuration information when the primary device fails.
  • the slave device initiates a call according to the call configuration information, and connects the terminal to the conference.
  • FIG. 8 is a flowchart of a conference video terminal completing a conference self-recovery according to an embodiment of the present invention.
  • the master and slave devices of the terminal request initialization configuration information from the master control device.
  • the call information of the conference, and then the master and the slave device are respectively initialized according to the initial configuration information delivered by the master control device and the call information of the conference, and respectively respond to the initialization state of the master control system; during the operation, the master device and the master device
  • the running status of the device is periodically maintained.
  • the master device detects that the master device is faulty, the current call configuration information of the master device is sent to the slave device, and the slave device is controlled to automatically recover the conference, and the slave device receives the call.
  • the configuration information is initiated, the call is initiated according to the call configuration information, and the terminal is accessed by the slave device, so that the normal conference of other terminals is not affected.
  • the technical solution of the embodiment of the present invention is used to set a control relationship between the master control device and the master and slave devices, which can be in the conference television terminal without affecting other normal terminal sessions. If the device is faulty, the self-recovery conference is performed. The master device controls the slave device to connect the terminal to the site. This prevents the interruption of the conference and keeps the current conference open.

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

一种会议电视终端及其自恢复控制方法和相关设备，该会议电视终端主设备，设置为：将本会议电视终端接入到会议中；主控设备，设置为：在本会议电视终端正常工作过程中，与主设备同步更新配置信息，当主设备出现故障时，生成一控制命令并发送出去；从设备，设置为：接收所述控制命令，并根据该控制命令将本会议电视终端接入到会议中。本发明实施例能够在不影响其它正常终端会话的过程中，在会议电视终端主设备出现故障的情况下，进行自恢复会议，主控设备控制从设备将终端接入会场，避免了会议中断现象的发生，保持当前会议通畅。

Description

一种会议电视终端及其自恢复控制方法和相关设备
技术领域
本发明涉及通信技术领域， 特别是涉及一种会议电视终端及其自恢复控 制方法和相关设备。
背景技术
会议电视系统由至少两个会议电视终端组成， 通过会议电视终端之间的 数据传输实现用户的音、 视频通话， 目前的会议电视终端有两种类型， 一种 是普通终端 , 一种是内置 MCU ( Multipoint Control Unit, 多点控制单元 )终 端。 普通终端支持点对点会议， 如图 1所示的 A端和 B端。 内置 MCU终端 可以支持多点会议， 一般的呼叫上限是 5个， 如图 2所示的 A端， 在会场规 模不超过 6个的情况下， 使用内置 MCU终端进行多点会议是一种实惠的选 择方式。
但是， 无论是普通终端， 还是内置 MCU终端， 目前的会议电视终端都 只有主设备， 当进行会议过程中， 如果主设备出现了硬件故障， 会议电视就 会中断， 主设备就得返厂维修或者更换新的主设备， 带来诸多不便， 尤其是 在一些重要的会议场合， 如果会议中断将给用户带来很大的麻烦， 间接导致 诸多损失。
发明内容
为了解决现有技术中会议电视终端主设备故障导致会议中断的问题， 本 发明提供了一种会议电视终端及其自恢复控制方法和相关设备。
一方面， 本发明提供了一种会议电视终端， 其包括： 主设备， 设置为： 将本会议电视终端接入到会议中； 主控设备， 设置为： 在本会议电视终端正 常工作过程中， 与主设备同步更新配置信息， 当主设备出现故障时， 生成一 控制命令并发送出去； 从设备， 设置为： 接收所述控制命令， 并根据该控制 命令将本会议电视终端接入到会议中。 优选地， 主设备设置为： 当所述主设备出现故障时， 发出一故障信息至 主控设备， 主控设备设置为： 根据该故障信息生成所述控制命令。
优选地， 所述主控设备设置为： 对主设备进行周期性检测， 当检测到主 设备出现故障时， 主控设备生成所述控制命令。
优选地， 所述控制命令中包含一呼叫配置信息， 从设备设置为： 根据该 呼叫配置信息发起呼叫， 以将会议电视终端接入到会议中； 其中， 所述呼叫 配置信息与主设备出现故障时的配置信息相对应。
优选地， 所述会议电视终端中还包括多点控制单元 MCU, 其设置为： 控制主设备或从设备将会议电视终端接入到多终端会议中。
另一方面，本发明提供了一种会议电视终端的自恢复控制方法，其包括： 所述会议电视终端包括主设备、 主控设备和从设备， 由所述主设备将本会议 电视终端接入到会议中； 在本会议电视终端正常工作过程中， 本会议电视终 端的主控设备与主设备同步更新配置信息， 当主设备出现故障时， 主控设备 生成一控制命令并发送至本会议电视终端的从设备； 本会议电视终端的从设 备接收到所述控制命令后，根据该控制命令将本会议电视终端接入到会议中。
同时， 本发明还提供了一种主控设备， 其包括： 配置信息更新单元， 设 置为： 在本会议电视终端正常工作过程中， 与本会议电视终端的主设备同步 更新配置信息； 检测处理单元， 设置为： 当所述主设备出现故障时， 生成一 控制命令； 发送单元， 设置为： 将所述控制命令发送至本会议电视终端的从 设备。
本发明实施例的有益效果如下：
在点对点会议或多点会议中， 利用本发明实施例的技术方案， 设置主控 设备和主、 从设备之间的控制关系， 能够在不影响其它正常终端会话的过程 中， 在会议电视终端主设备出现故障的情况下， 进行自恢复会议， 主控设备 控制从设备将终端接入会场， 避免了会议中断现象的发生， 保持当前会议通 畅。
附图概述
图 1是相关技术中普通终端组成的会议电视系统； 图 2是相关技术中内置 MCU终端组成的会议电视系统； 图 3是本发明实施例的会议电视终端结构示意图；
图 4是本发明实施例的会议电视系统组成示意图；
图 5是本发明另一实施例的会议电视终端结构示意图；
图 6是本发明的主控装置结构示意图；
图 7是本发明的会议电视终端的自恢复控制方法流程图；
图 8是本发明实施例中会议电视终端实施会议自恢复的流程图。
本发明的较佳实施方式
以下结合附图以及实施例， 对本发明进行进一步详细说明。 应当理解， 此处所描述的具体实施例仅仅用以解释本发明， 并不限定本发明。
图 3为本发明的会议电视终端结构示意图， 其包括： 主控设备 al、 主设 备 a2和从设备 a3 , 其中， 主设备 a2将会议电视终端接入到会议中； 主控设 备 al在会议电视终端正常工作过程中与主设备同步更新配置信息，当主设备 a2出现故障时， 生成一控制命令并发送给从设备 a3 ; 从设备 a3接收主控设 备发出的控制命令， 根据该控制命令将会议电视终端接入到会议中。
本发明的上述会议电视终端在正常工作时通过主设备 a2接入会场，其利 用主控设备 al对主设备 a2和从设备 a3实施控制，当主设备 a2发生故障时， 立即通知从设备 a3将终端接入到会场中，从而使本终端得以恢复，避免了因 为主设备 a2故障挂起而导致的会议中途停止。
在图 3实施例中， 在系统初始化阶段， 主控设备 al向主设备 a2和从设 备 a3下发初始化配置信息和相关的会议信息，由主设备 a2将终端接入会场， 在终端正常工作的过程中，主控设备 al与主设备 a2保持同步更新配置信息， 当主设备 a2 出现故障时， 其主动发出一个故障信息给主控设备 al , 主控设 备 al接收到故障信息后，根据这个故障信息生成一控制命令，发送给从设备 a3 , 通知从设备 a3将终端接入会场， 完成本终端的自恢复。 在另一实施例中， 在终端正常工作过程中， 主控设备 al对主设备 a2进 行周期性地检测，例如通过周期性保活处理检查主设备 a2的运行状态， 当检 测到主设备 a2出现故障时， 主控设备 al立即生成一控制命令， 发送给从设 备 a3 , 通知从设备 a3将终端接入会场， 完成本终端的自恢复。
关于主控设备 al生成的控制命令， 其中包含从设备 a3将本终端接入时 所需要的相关配置信息。在本发明的一个较佳实施例中，主控设备 al生成的 控制命令中包含一个呼叫配置信息，该呼叫配置信息与主设备 a2出现故障时 的配置信息相对应， 因而包含了故障时会议的当前配置信息， 那么从设备 a3 恢复本终端时， 以该呼叫配置信息发起呼叫， 可将本终端顺畅地接入到会议 中， 不会出现卡顿现象。
上述实施例中的会议电视终端解决了原有的会议电视终端一旦主设备故 障即导致终端挂起的情况， 可广泛应用于普通的点对点终端和内置 MCU的 终端。 当应用于内置 MCU的终端时， 例如当图 2中的 A端具有本发明的会 议电视终端结构时， 参考图 4, 首先 A端具有内置的多点控制单元 MCU (图 4中未示出） ， 其次 A端还具有本发明上述的主控设备、 主设备和从设备， MCU控制主设备将本端接入到多点会议中， 与其它五个分会场举行多点会 议，当主设备故障时，由从设备将本端接入到会议中，从设备进入运行状态， 保证 A端不断线， 则 MCU再控制从设备， 继续进行多点会议。
进一步地， 在图 4实施例中， 除 A端以外的其它分会场均可使用本发明 的会议电视终端 （如图 5所示的 B端， 其包括主控设备 b 1、 主设备 b2和从 设备 b3 ) ,以保证本端会议连线正常。对于应用于普通终端的情况与此同理， 不再详述。
具体来看， 图 6为本发明的主控设备的结构示意图， 其包括：
配置信息更新单元 101 , 用于在本会议电视终端正常工作过程中， 与本 会议电视终端的主设备同步更新配置信息； 检测处理单元 102, 用于当所述主设备出现故障时， 生成一控制命令； 发送单元 103 , 用于将控制命令发送至本会议电视终端的从设备。
其中， 检测处理单元 102可接收主设备出现故障时发出的故障信息后， 根据该故障信息生成相应的控制命令， 也可通过对主设备的周期性检测发现 故障， 而生成该控制命令， 控制命令中包含从设备进行终端接入所必需的配 置信息， 例如是与主设备出现故障时的配置信息相对应的呼叫配置信息， 从 设备根据该呼叫配置信息发起呼叫， 将终端接入会场， 可见， 利用该主控装 置可保证本终端在会场中顺畅持续的接入状态。
相应地，本发明的会议电视终端的自恢复控制方法，如图 7所示，包括： S201 , 会议电视终端的主设备将本会议电视终端接入到会议中；
5202, 在本会议电视终端正常工作过程中， 本会议电视终端的主控设备 与主设备同步更新配置信息， 当主设备出现故障时， 主控设备生成一控制命 令并发送至本会议电视终端的从设备；
5203 , 本会议电视终端的从设备接收到所述控制命令后， 根据该控制命 令将本会议电视终端接入到会议中。
利用上述自恢复控制方法， 在会议电视终端运行中， 对本终端的主控设 备、 主设备和从设备实施控制， 当主设备故障时， 令从设备进行接入， 保证 本终端不因主设备的故障而掉线中断。
上述实施例中， 当主设备出现故障时， 主设备向主控设备发送一故障信 息， 主控设备根据该故障信息生成所述控制命令； 或者， 以主控设备对主设 备进行周期性检测， 当检测到主设备出现故障时， 主控设备生成控制命令。 其中， 控制命令中包含呼叫配置信息， 与主设备出现故障时的配置信息相对 应， 从设备根据该呼叫配置信息发起呼叫， 将本终端接入到会议中。
图 8所示为本发明实施例中会议电视终端完成一次会议自恢复的流程图， 会议电视系统上电之后， 终端的主、 从设备向主控设备请求初始化配置信息 和会议的呼叫信息， 然后主、 从设备根据主控设备下发的初始化配置信息和 会议的呼叫信息分别初始化， 并分别向主控系统响应其初始化状态； 运行过 程中， 主控设备与主设备的运行状态进行周期性保活， 当主控设备检测到主 设备发生故障的时候， 把主设备的当前的呼叫配置信息下发给从设备， 控制 从设备进行会议自动恢复， 从设备接收到呼叫配置信息之后， 按照呼叫配置 信息发起呼叫， 则终端由从设备接入会场， 这样不会对其它终端的正常会议 造成影响。
尽管为示例目的， 已经公开了本发明的优选实施例， 本领域的技术人员 将意识到各种改进、 增加和取代也是可能的， 因此， 本发明的范围应当不限 于上述实施例。
工业实用性
在点对点会议或多点会议中， 利用本发明实施例的技术方案， 设置主控 设备和主、 从设备之间的控制关系， 能够在不影响其它正常终端会话的过程 中， 在会议电视终端主设备出现故障的情况下， 进行自恢复会议， 主控设备 控制从设备将终端接入会场， 避免了会议中断现象的发生， 保持当前会议通 畅。

Claims

权 利 要 求 书
1、 一种会议电视终端， 包括：
主设备， 设置为： 将本会议电视终端接入到会议中；
主控设备， 设置为： 在本会议电视终端正常工作过程中， 与主设备同步 更新配置信息， 当主设备出现故障时， 生成一控制命令并发送出去；
从设备， 设置为： 接收所述控制命令， 并根据该控制命令将本会议电视 终端接入到会议中。
2、 如权利要求 1所述的会议电视终端， 其中， 所述主设备设置为： 当所 述主设备出现故障时， 发出一故障信息至主控设备； 主控设备设置为： 根据 该故障信息生成所述控制命令。
3、 如权利要求 1所述的会议电视终端， 其中， 所述主控设备设置为： 对 主设备进行周期性检测， 当检测到主设备出现故障时， 主控设备生成所述控 制命令。
4、 如权利要求 1-3中任一权利要求所述的会议电视终端， 其中， 所述控 制命令中包含一呼叫配置信息， 从设备设置为： 根据该呼叫配置信息发起呼 叫， 以将会议电视终端接入到会议中； 其中， 所述呼叫配置信息与主设备出 现故障时的配置信息相对应。
5、 如权利要求 1-3中任一权利要求所述的会议电视终端， 其中， 所述会 议电视终端中还包括多点控制单元 MCU, 其设置为： 控制主设备或从设备 将会议电视终端接入到多终端会议中。
6、 一种会议电视终端的自恢复控制方法， 包括：
所述会议电视终端包括主设备、 主控设备和从设备， 由所述主设备将本 会议电视终端接入到会议中； 在本会议电视终端正常工作过程中， 本会议电视终端的主控设备与主设 备同步更新配置信息， 当主设备出现故障时， 主控设备生成一控制命令并发 送至本会议电视终端的从设备；
本会议电视终端的从设备接收到所述控制命令后， 根据该控制命令将本 会议电视终端接入到会议中。
7、如权利要求 6所述的会议电视终端的自恢复控制方法， 其中， 当所述 主设备出现故障时， 向所述主控设备发送一故障信息， 所述主控设备根据该 故障信息生成所述控制命令； 或者， 所述主控设备对所述主设备进行周期性 检测， 当检测到所述主设备出现故障时， 所述主控设备生成所述控制命令。
8、如权利要求 6或 7所述的会议电视终端的自恢复控制方法， 其中， 所 述控制命令中包含一呼叫配置信息， 所述从设备根据该呼叫配置信息发起呼 叫， 以将本会议电视终端接入到会议中； 其中， 所述呼叫配置信息与所述主 设备出现故障时的配置信息相对应。
9、 一种主控设备， 包括：
配置信息更新单元， 设置为： 在本会议电视终端正常工作过程中， 与本 会议电视终端的主设备同步更新配置信息；
检测处理单元， 设置为： 当所述主设备出现故障时， 生成一控制命令； 发送单元， 设置为： 将所述控制命令发送至本会议电视终端的从设备。
10、 如权利要求 9所述的主控设备， 其中， 所述检测处理单元设置为： 当所述接收到所述主设备出现故障时发出的故障信息后， 根据该故障信息生 成所述控制命令； 或者， 对所述主设备进行周期性检测， 当检测到主设备出 现故障时， 生成所述控制命令。
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