WO2014127620A1 - Method and system for performing multimedia conference notification service between ngn and ims - Google Patents

Method and system for performing multimedia conference notification service between ngn and ims Download PDF

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Publication number
WO2014127620A1
WO2014127620A1 PCT/CN2013/082763 CN2013082763W WO2014127620A1 WO 2014127620 A1 WO2014127620 A1 WO 2014127620A1 CN 2013082763 W CN2013082763 W CN 2013082763W WO 2014127620 A1 WO2014127620 A1 WO 2014127620A1
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Prior art keywords
conference
message
application server
multimedia
service application
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PCT/CN2013/082763
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French (fr)
Chinese (zh)
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施金金
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中兴通讯股份有限公司
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Publication of WO2014127620A1 publication Critical patent/WO2014127620A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport

Definitions

  • the present invention relates to the interworking of multimedia conference services between an IP Multimedia Subsystem (IMS) and a Next Generation Network (NGN), and more particularly to a method and system for performing a multimedia conference notification service between an NGN and an IMS.
  • IMS IP Multimedia Subsystem
  • NGN Next Generation Network
  • the multimedia conferencing service provides remote audio/video and data conferencing services to members of the conference through Media Resource Server (MRS) and Application Server (AS).
  • Multimedia conference members can subscribe to the conference status, obtain site information, conference member lists, and so on.
  • the multimedia conference service has been applied on a large scale under the NGN network architecture.
  • IP Multimedia Subsystem IMS
  • Many services have been well applied under IMS.
  • Multimedia conferencing services are one of them.
  • IMS and NGN will coexist for a long time in the future, which will result in the need for the multimedia conference service to communicate between the two networks.
  • the interworking of multimedia conference services in the IMS and NGN coexistence environment is limited to the invitation of members in the other network to the multimedia conference services established in the network through IMS or NGN.
  • the multimedia conference notification service message under the IP network Conference subscription message (SUBSCRIBE) and conference status notification (NOTIFY) cannot communicate between the two networks.
  • Figure 1 shows the composition of the related technology multimedia conference.
  • the composition of the multimedia conference is the same in both networks.
  • the UE When performing multimedia conference services in an IMS or NGN network, the UE needs to interact with the multimedia service application server (AS) through the core network.
  • AS multimedia service application server
  • the core network For NGN, since the self-generated defects of the existing softswitch device cannot forward the SUBSCRIBE message and the NOTIFY message, the transmission of such a message is directly performed by the UE and the AS.
  • the IMS network can fully support the processing of such messages.
  • Figure 2 shows the flow chart of the multimedia conference signaling interaction in the related art IMS or NGN.
  • UE1 initiates an INVITE request to create a multimedia conference, and the service application After receiving the request, the server AS sends an INVITE message to the MRS server to apply for the media resource, and the media negotiation is completed between the MRS and the UE1 to establish a media channel.
  • the AS sends an INFO message to the MRS server to create a multimedia conference, and joins UE1 to the multimedia conference;
  • the UE1 sends a SUBSCRIBE message to the AS to subscribe to the site information of the multimedia conference, and the AS returns the site information to the UE1 through a NOTIFY message.
  • UE1 sends a REFER (Reference) message to invite UE2, after receiving the REFER message, the AS sends an INVITE message to invite UE2 to join the multimedia conference. After receiving the invitation, UE2 returns 183 message to bring the media of UE2 to the AS, and the AS sends the INVITE. Perform media negotiation between the MRS server and UE2 to the MRS server;
  • the AS sends an INFO message to the MRS server to join the UE2 to the multimedia conference;
  • UE2 sends a SUBSCRIBE message to the AS to subscribe to the site information of the multimedia conference: under the IMS network, the message is forwarded to the AS through the core network (as shown in the figure); under the NGN network, the message bypasses the softswitch device Directly from UE2 to AS (not shown in the figure); the AS returns the site information to UE2 through the NOTIFY message.
  • the NGN softswitch device cannot forward the conference subscription message and the conference establishes a connection.
  • the present invention provides a method and system for performing a multimedia conference notification service between an NGN and an IMS to solve the technical problem of how to establish a connection between a user of an IMS or an NGN and an application server AS in a peer network.
  • the present invention provides a gateway that transmits more between IMS and NGN.
  • a method for a media conference to notify a service message comprising:
  • the forwarding the conference subscription message to the multimedia conference service application server of the other party includes: forwarding the conference subscription message to the multimedia conference service application server of the other party according to the destination office number carried in the received conference subscription message.
  • the conference status notification message sent by the other party's multimedia conference service application server is also received;
  • the present invention also provides a method for transmitting a multimedia conference notification service message between an IMS and an NGN, the method comprising:
  • the multimedia conference service application server of one of the IMS and the NGN receives the conference subscription message, and if it is determined that the conference number of the conference subscription message is not stored in the service application server, the conference subscription message is forwarded to the gateway;
  • the gateway forwards the received conference subscription message to the other party's multimedia conference service application server.
  • the gateway forwards the received conference subscription message to the other party's multimedia conference service application server, including:
  • the gateway forwards the conference subscription message to the multimedia conference service application server of the other party according to the destination office number carried in the received conference subscription message.
  • the gateway forwards the received conference subscription message to the other party's multimedia conference service application service After receiving the conference status notification message sent by the other party's multimedia conference service application server, the conference status notification message is forwarded to the multimedia conference service application server of one of the IMS and the NGN.
  • the present invention further provides a gateway for transmitting a multimedia conference notification service message between an IMS and an NGN, where the gateway includes a message receiving module and a message sending module, where
  • the message receiving module is configured to: receive a conference subscription message sent by the multimedia conference service application server of one of the IMS and the NGN, and send the conference subscription message to the message sending module;
  • the message sending module is configured to: forward the conference subscription message to another party's multimedia conference service application server.
  • the message sending module is configured to: forward the conference subscription message to the other party's multimedia conference service application server, including:
  • the message sending module forwards the meeting subscription message to the multimedia conference service application server of the other party according to the destination office number carried in the received conference subscription message.
  • the message receiving module is further configured to: receive a conference status notification message sent by the other party's multimedia conference service application server, and send the conference status notification message to the message sending module;
  • the message sending module is further configured to: forward the conference status notification message to a multimedia conference service application server of one of the IMS and the NGN.
  • the present invention further provides a system for transmitting a multimedia conference notification service message between an IMS and an NGN, where the system includes a multimedia conference service application server and a gateway of the IMS and the NGN, wherein The multimedia conference service application server of any one of the parties is configured to: receive the conference subscription message, and if it is determined that the conference number of the conference subscription message is not in the service application server, forward the conference subscription message to the gateway;
  • the gateway is configured to: forward the received conference subscription message to the other party's multimedia conference service application server.
  • the gateway is configured to: forward the received conference subscription message to the multimedia conference service application server of the other party, including:
  • the gateway forwards the conference subscription message to the multimedia conference service application server of the other party according to the destination office number carried in the received conference subscription message.
  • the gateway is further configured to: receive a conference status notification message sent by the other party's multimedia conference service application server, and forward the conference status notification message to the multimedia conference service application server of the one of the parties.
  • a gateway is set up between the IMS and the NGN AS, and the gateway forwards the conference status notification message fed back by the IMS network AS, so that the user of the IMS or the NGN establishes a connection with the application server AS in the other network.
  • FIG. 1 is a schematic diagram of a composition of a related art multimedia conference
  • FIG. 2 is a flowchart of a multimedia conference signaling interaction in a related art IMS or NGN;
  • FIG. 3 is a flowchart of a method for a gateway to transmit a multimedia conference notification service message between an IMS and an NGN according to the embodiment;
  • FIG. 4 is a flowchart of a method for transmitting a multimedia conference notification service message between an IMS and an NGN according to the embodiment
  • FIG. 5 is a flowchart of a multimedia conference signaling interaction between an IMS and an NGN according to an application example
  • FIG. 6 is a gateway module diagram of transmitting a multimedia conference notification service message between an IMS and an NGN according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram showing the composition of a multimedia conference after the system for transmitting a multimedia conference notification service message between the IMS and the NGN according to the embodiment.
  • FIG. 3 is a flowchart of a method for a gateway to transmit a multimedia conference notification service message between an IMS and an NGN according to the embodiment.
  • S301 Receive a conference subscription message sent by a multimedia conference service application server of one of the IMS and the NGN;
  • S302 forwards the conference subscription message to the other party's multimedia conference service application server.
  • the gateway in this embodiment may further forward the conference subscription message to the other party's multimedia conference service application server according to the destination office number.
  • the gateway in this embodiment may further receive a conference status notification message sent by the other party's multimedia conference service application server, and forward the conference status notification message to the multimedia conference service of one of the IMS and the NGN. application server.
  • FIG. 4 is a flow chart of a method for transmitting a multimedia conference notification service message between an IMS and an NGN according to the embodiment.
  • the multimedia conference service application server of one of the S401 IMS and the NGN receives the conference subscription message
  • step S402 determining whether the conference number of the conference subscription message is stored in the service application server, if not stored in the service application server, performing step S403; if stored on the service application server, the operation of the service application server is the same as existing Technology, no longer described here, step Step S405;
  • S403 forwards the conference subscription message to the gateway.
  • the S404 gateway forwards the received conference subscription message to the other party's multimedia conference service application server;
  • the gateway in this embodiment may further forward the conference subscription message to the other party's multimedia conference service application server according to the destination office number; after step S404, the gateway may also Receiving a conference status notification message sent by the other party's multimedia conference service application server, and forwarding the conference status notification message to the multimedia conference service application server of one of the IMS and the NGN;
  • the multimedia conference signaling interaction process between the IMS and the NGN is further illustrated by a specific application example, as shown in FIG. 5.
  • the UE1 of the IMS initiates an INVITE request for creating a multimedia conference, and the AS1 of the IMS sends an INFO message to the MRS server to create a multimedia conference, and the UE1 is added to the multimedia conference.
  • the UE1 sends a SUBSCRIBE message to the AS1 to subscribe to the conference site information of the multimedia conference, AS1. Returning the site information to UE1 through the NOTIFY message;
  • UE1 sends a REFER message to AS1 to invite the user of the NGN UE2 to join the established multimedia conference; this part is prior art, and will not be described in detail herein;
  • FIG. 6 is a diagram of a gateway module for transmitting a multimedia conference notification service message between an IMS and an NGN according to the embodiment.
  • the gateway includes a message receiving module and a message sending module, where
  • a message receiving module configured to receive a multimedia conference service application service of one of the IMS and the NGN
  • the conference subscription message sent by the server, the conference subscription message is sent to the message sending module, and the message sending module is configured to forward the conference subscription message to the other party's multimedia conference service application server;
  • the message sending module may further forward the conference subscription message to the multimedia conference service application server of the other party according to the destination office number when the destination conference number is carried in the received conference subscription message.
  • the message receiving module may be further configured to receive a conference status notification message sent by the other party's multimedia conference service application server, and send the conference status notification message to the message sending module;
  • the message sending module may be further configured to forward the conference status notification message to a multimedia conference service application server of one of the IMS and the NGN.
  • the embodiment further provides a system for transmitting a multimedia conference notification service message between the IMS and the NGN, where the system includes a multimedia conference service application server and a gateway of the IMS and the NGN, wherein
  • Any one of the multimedia conference service application servers configured to receive the conference subscription message, and if the conference number of the conference subscription message is determined not to be in the service application server, forwarding the conference subscription message to the gateway;
  • a gateway configured to forward the received conference subscription message to the other party's multimedia conference service application server
  • the gateway may further forward the conference subscription message to the multimedia conference service application server of the other party according to the destination office number when the destination conference number is carried in the received conference subscription message.
  • the gateway is further configured to receive a conference status notification message sent by the other party's multimedia conference service application server, and forward the conference status notification message to the multimedia conference service application server of the one of the parties.
  • the composition structure diagram of the multimedia conference can be as shown in FIG. 7.
  • the gateway A connects the AS1 of the IMS network and the AS2 of the NGN network for transmitting the multimedia conference notification service message.
  • All or a portion of the above steps may be performed by a program to instruct the associated hardware, such as a read only memory, a magnetic disk, or an optical disk.
  • all or part of the steps of the foregoing embodiments may also be implemented by using one or more integrated circuits.
  • each module/unit in the foregoing embodiment may be implemented in the form of hardware, or may use software functions. The form of the module is implemented. The invention is not limited to any specific form of combination of hardware and software.
  • a gateway is set up between the IMS and the NGN AS, and the gateway forwards the conference status notification message fed back by the IMS network AS, so that the user of the IMS or the NGN establishes a connection with the application server AS in the other network.

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Abstract

A method and system for performing a multimedia conference notification service between an NGN and an IMS. The method for a gateway to transmit a multimedia conference notification service message between the IMS and the NGN comprises: receiving a conference subscription message sent by a multimedia conference service application server of one party of the IMS and the NGN; and forwarding the conference subscription message to the multimedia conference service application server of the other party thereof. The embodiments of the present invention achieve that a connection is established between a user of one party of the IMS and the NGN and an application server (AS) of a network of the other party thereof.

Description

NG 和 IMS间进行多媒体会议通知服务的方法及***  Method and system for multimedia conference notification service between NG and IMS
技术领域 Technical field
本发明涉及 IP多媒体子***（IMS )和下一代网络（NGN )间多媒体会 议业务的互通， 尤其涉及一种 NGN和 IMS间进行多媒体会议通知服务的方 法及***。 背景技术  The present invention relates to the interworking of multimedia conference services between an IP Multimedia Subsystem (IMS) and a Next Generation Network (NGN), and more particularly to a method and system for performing a multimedia conference notification service between an NGN and an IMS. Background technique
多媒体会议业务主要通过媒体资源服务器 （MRS ) 和业务应用服务器 ( Application Server, AS )为各与会成员提供远程音 /视频和数据会议服务。 多媒体会议成员可以订阅会议状态， 获取会场信息、 会议成员列表等。  The multimedia conferencing service provides remote audio/video and data conferencing services to members of the conference through Media Resource Server (MRS) and Application Server (AS). Multimedia conference members can subscribe to the conference status, obtain site information, conference member lists, and so on.
多媒体会议业务在 NGN网络架构下已经有了大规模的应用。 IP多媒体 子***（IMS )作为新一代的网络， 受到运营商越来越多的关注， 许多业务 在 IMS下得到了很好的应用， 多媒体会议业务就是其中一项应用。  The multimedia conference service has been applied on a large scale under the NGN network architecture. As a new generation network, IP Multimedia Subsystem (IMS) has received more and more attention from operators. Many services have been well applied under IMS. Multimedia conferencing services are one of them.
受运营商业务推广策略的限制， IMS和 NGN在今后相当长的时间内将 共存， 基于此产生了多媒体会议业务在上述两种网络之间进行互通的需求。 现阶段 IMS和 NGN并存环境下多媒体会议业务的互通，仅限于通过 IMS或 NGN将对方网络中的成员邀请入在本网络建立的多媒体会议业务。 而 IP网 络下特色的多媒体会议通知服务消息： 会议订阅消息（ SUBSCRIBE )和会议 状态通知 （NOTIFY ) , 还无法在两个网络间互通。  Limited by the operator's business promotion strategy, IMS and NGN will coexist for a long time in the future, which will result in the need for the multimedia conference service to communicate between the two networks. At this stage, the interworking of multimedia conference services in the IMS and NGN coexistence environment is limited to the invitation of members in the other network to the multimedia conference services established in the network through IMS or NGN. The multimedia conference notification service message under the IP network: Conference subscription message (SUBSCRIBE) and conference status notification (NOTIFY) cannot communicate between the two networks.
图 1给出了相关技术多媒体会议的组成结构图， 多媒体会议的组成在两 个网络中相同。 在 IMS或 NGN网络中进行多媒体会议业务时， UE需要通 过核心网与多媒体业务应用服务器（AS ) 交互。 但是 NGN下， 由于现有软 交换设备的自生缺陷不能实现 SUBSCRIBE消息和 NOTIFY消息的转发,所以 此类消息的传输由 UE与 AS直接交互。 但是 IMS网络却完全可以支持此类 消息的处理。  Figure 1 shows the composition of the related technology multimedia conference. The composition of the multimedia conference is the same in both networks. When performing multimedia conference services in an IMS or NGN network, the UE needs to interact with the multimedia service application server (AS) through the core network. However, under NGN, since the self-generated defects of the existing softswitch device cannot forward the SUBSCRIBE message and the NOTIFY message, the transmission of such a message is directly performed by the UE and the AS. However, the IMS network can fully support the processing of such messages.
图 2给出了相关技术 IMS或 NGN中的多媒体会议信令交互流程图。  Figure 2 shows the flow chart of the multimedia conference signaling interaction in the related art IMS or NGN.
201-211 , UE1发起创建多媒体会议的 INVITE (邀请）请求， 业务应用 服务器 AS受理请求后， 发送 INVITE消息到 MRS服务器申请媒体资源， MRS和 UE1之间完成媒体协商， 建立媒体通道； 201-211, UE1 initiates an INVITE request to create a multimedia conference, and the service application After receiving the request, the server AS sends an INVITE message to the MRS server to apply for the media resource, and the media negotiation is completed between the MRS and the UE1 to establish a media channel.
212-213 , AS发送 INFO消息到 MRS服务器创建多媒体会议，并将 UE1 加入到多媒体会议；  212-213, the AS sends an INFO message to the MRS server to create a multimedia conference, and joins UE1 to the multimedia conference;
214-221 , UE1向 AS发送 SUBSCRIBE (订阅 )消息订阅多媒体会议的 会场信息的， AS通过 NOTIFY (通知 ) 消息向 UE1返回会场信息；  214-221, the UE1 sends a SUBSCRIBE message to the AS to subscribe to the site information of the multimedia conference, and the AS returns the site information to the UE1 through a NOTIFY message.
222-246, UE1发送 REFER (参考 ) 消息邀请 UE2, AS收到该 REFER 消息后 , 发送 INVITE消息邀请 UE2加入多媒体会议， UE2收到邀请后返回 183消息将 UE2的媒体带给 AS , AS发送 INVITE给 MRS服务器完成 MRS 服务器和 UE2之间的媒体协商；  222-246, UE1 sends a REFER (Reference) message to invite UE2, after receiving the REFER message, the AS sends an INVITE message to invite UE2 to join the multimedia conference. After receiving the invitation, UE2 returns 183 message to bring the media of UE2 to the AS, and the AS sends the INVITE. Perform media negotiation between the MRS server and UE2 to the MRS server;
247-248 , AS发送 INFO消息到 MRS服务器将 UE2加入到多媒体会议； 247-248, the AS sends an INFO message to the MRS server to join the UE2 to the multimedia conference;
249-256 , UE2向 AS发送 SUBSCRIBE消息订阅多媒体会议的会场信息： 在 IMS 网络下，该消息通过核心网转发到 AS (如图中所示）；在 NGN网络下， 该消息绕过软交换设备，直接从 UE2到 AS (图中未划出）； AS通过 NOTIFY 消息向 UE2返回会场信息。 249-256, UE2 sends a SUBSCRIBE message to the AS to subscribe to the site information of the multimedia conference: under the IMS network, the message is forwarded to the AS through the core network (as shown in the figure); under the NGN network, the message bypasses the softswitch device Directly from UE2 to AS (not shown in the figure); the AS returns the site information to UE2 through the NOTIFY message.
根据 IMS或 NGN中的多媒体会议信令交互流程， 如果多媒体会议的用 户存在分别属于 IMS和 NGN的用户， 当 IMS或 NGN的用户希望向在对方 网络下工作的多媒体会议业务应用服务器 AS发送会议订阅消息， 并获取多 媒体会议信息时， 由于 NGN的软交换设备无法转发会议订阅消息以及会议 建立连接。 发明内容 According to the multimedia conference signaling interaction process in the IMS or the NGN, if the users of the multimedia conference have users belonging to the IMS and the NGN respectively, when the user of the IMS or the NGN wants to send the conference subscription to the multimedia conference service application server AS working under the network of the other party When the message is obtained, and the multimedia conference information is obtained, the NGN softswitch device cannot forward the conference subscription message and the conference establishes a connection. Summary of the invention
本发明提供了一种 NGN和 IMS间进行多媒体会议通知服务的方法及系 统， 以解决如何实现 IMS或 NGN的用户与对方网络下的应用服务器 AS建 立连接的技术问题。  The present invention provides a method and system for performing a multimedia conference notification service between an NGN and an IMS to solve the technical problem of how to establish a connection between a user of an IMS or an NGN and an application server AS in a peer network.
为解决上述技术问题， 本发明提供了一种网关在 IMS和 NGN间传输多 媒体会议通知服务消息的方法， 所述方法包括： To solve the above technical problem, the present invention provides a gateway that transmits more between IMS and NGN. A method for a media conference to notify a service message, the method comprising:
接收 IMS和 NGN中一方的多媒体会议业务应用服务器发送的会议订阅 消息；  Receiving a conference subscription message sent by the multimedia conference service application server of one of the IMS and the NGN;
转发该会议订阅消息至另一方的多媒体会议业务应用服务器。  Forward the conference subscription message to the other party's multimedia conference service application server.
优选地 ,  Preferably ,
所述转发该会议订阅消息至另一方的多媒体会议业务应用服务器， 包括: 根据接收的会议订阅消息携带的目的局号将该会议订阅消息转发至所 述另一方的多媒体会议业务应用服务器。  The forwarding the conference subscription message to the multimedia conference service application server of the other party includes: forwarding the conference subscription message to the multimedia conference service application server of the other party according to the destination office number carried in the received conference subscription message.
优选地 ,  Preferably ,
在转发该会议订阅消息至另一方的多媒体会议业务应用服务器后， 还接 收所述另一方的多媒体会议业务应用服务器发送的会议状态通知消息；  After forwarding the conference subscription message to the multimedia conference service application server of the other party, the conference status notification message sent by the other party's multimedia conference service application server is also received;
将所述会议状态通知消息转发至所述一方的多媒体会议业务应用服务器。  Forwarding the conference status notification message to the multimedia conference service application server of the party.
为解决上述技术问题， 本发明还提供了一种在 IMS和 NGN间传输多媒 体会议通知服务消息的方法， 所述方法包括： To solve the above technical problem, the present invention also provides a method for transmitting a multimedia conference notification service message between an IMS and an NGN, the method comprising:
IMS和 NGN中一方的多媒体会议业务应用服务器接收到会议订阅消息， 若判断出该会议订阅消息的会议号不在本业务应用服务器存储， 将该会议订 阅消息转发给网关；  The multimedia conference service application server of one of the IMS and the NGN receives the conference subscription message, and if it is determined that the conference number of the conference subscription message is not stored in the service application server, the conference subscription message is forwarded to the gateway;
所述网关将接收的会议订阅消息转发给另一方的多媒体会议业务应用服 务器。  The gateway forwards the received conference subscription message to the other party's multimedia conference service application server.
优选地 ,  Preferably ,
所述网关将接收的会议订阅消息转发给另一方的多媒体会议业务应用服 务器， 包括：  The gateway forwards the received conference subscription message to the other party's multimedia conference service application server, including:
所述网关根据接收的会议订阅消息携带的目的局号将该会议订阅消息转 发至所述另一方的多媒体会议业务应用服务器。  The gateway forwards the conference subscription message to the multimedia conference service application server of the other party according to the destination office number carried in the received conference subscription message.
优选地 ,  Preferably ,
所述网关将接收的会议订阅消息转发给另一方的多媒体会议业务应用服 务器后， 还接收另一方的多媒体会议业务应用服务器发送的会议状态通知消 息， 并将该会议状态通知消息转发给所述 IMS和 NGN中一方的多媒体会议 业务应用服务器。 The gateway forwards the received conference subscription message to the other party's multimedia conference service application service After receiving the conference status notification message sent by the other party's multimedia conference service application server, the conference status notification message is forwarded to the multimedia conference service application server of one of the IMS and the NGN.
为解决上述技术问题， 本发明还提供了一种在 IMS和 NGN间传输多媒 体会议通知服务消息的网关，所述网关包括消息接收模块以及消息发送模块， 其中， In order to solve the above technical problem, the present invention further provides a gateway for transmitting a multimedia conference notification service message between an IMS and an NGN, where the gateway includes a message receiving module and a message sending module, where
所述消息接收模块， 设置为： 接收 IMS和 NGN中一方的多媒体会议业 务应用服务器发送的会议订阅消息， 将所述会议订阅消息发送至所述消息发 送模块；  The message receiving module is configured to: receive a conference subscription message sent by the multimedia conference service application server of one of the IMS and the NGN, and send the conference subscription message to the message sending module;
所述消息发送模块， 设置为： 转发该会议订阅消息至另一方的多媒体会 议业务应用服务器。  The message sending module is configured to: forward the conference subscription message to another party's multimedia conference service application server.
优选地 ,  Preferably ,
所述消息发送模块， 设置为： 转发该会议订阅消息至另一方的多媒体会 议业务应用服务器， 包括：  The message sending module is configured to: forward the conference subscription message to the other party's multimedia conference service application server, including:
所述消息发送模块根据接收的会议订阅消息携带的目的局号将该会议订 阅消息转发至所述另一方的多媒体会议业务应用服务器。  The message sending module forwards the meeting subscription message to the multimedia conference service application server of the other party according to the destination office number carried in the received conference subscription message.
优选地 ,  Preferably ,
所述消息接收模块， 还设置为： 接收所述另一方的多媒体会议业务应用 服务器发送的会议状态通知消息， 并将所述会议状态通知消息发送至所述消 息发送模块；  The message receiving module is further configured to: receive a conference status notification message sent by the other party's multimedia conference service application server, and send the conference status notification message to the message sending module;
所述消息发送模块,还设置为：将所述会议状态通知消息转发至所述 IMS 和 NGN中一方的多媒体会议业务应用服务器。  The message sending module is further configured to: forward the conference status notification message to a multimedia conference service application server of one of the IMS and the NGN.
为解决上述技术问题， 本发明还提供了一种在 IMS和 NGN间传输多媒 体会议通知服务消息的***， 所述***包括 IMS和 NGN两方的多媒体会议 业务应用服务器以及网关， 其中， 任一方的多媒体会议业务应用服务器， 设置为： 在接收会议订阅消息， 若判断出该会议订阅消息的会议号不在本业务应用服务器， 将该会议订阅消 息转发给网关； In order to solve the above technical problem, the present invention further provides a system for transmitting a multimedia conference notification service message between an IMS and an NGN, where the system includes a multimedia conference service application server and a gateway of the IMS and the NGN, wherein The multimedia conference service application server of any one of the parties is configured to: receive the conference subscription message, and if it is determined that the conference number of the conference subscription message is not in the service application server, forward the conference subscription message to the gateway;
所述网关， 设置为： 将接收的会议订阅消息转发给另一方的多媒体会议 业务应用服务器。  The gateway is configured to: forward the received conference subscription message to the other party's multimedia conference service application server.
优选地 ,  Preferably ,
所述网关， 设置为： 将接收的会议订阅消息转发给另一方的多媒体会议 业务应用服务器， 包括：  The gateway is configured to: forward the received conference subscription message to the multimedia conference service application server of the other party, including:
所述网关根据接收的会议订阅消息携带的目的局号将该会议订阅消息转 发至所述另一方的多媒体会议业务应用服务器。  The gateway forwards the conference subscription message to the multimedia conference service application server of the other party according to the destination office number carried in the received conference subscription message.
优选地 ,  Preferably ,
所述网关， 还设置为： 接收所述另一方的多媒体会议业务应用服务器发 送的会议状态通知消息， 并将该会议状态通知消息转发给所述任一方的多媒 体会议业务应用服务器。  The gateway is further configured to: receive a conference status notification message sent by the other party's multimedia conference service application server, and forward the conference status notification message to the multimedia conference service application server of the one of the parties.
上述技术方案，在 IMS和 NGN的 AS之间搭建网关，利用网关转发 IMS 络 AS反馈的会议状态通知消息， 实现了 IMS或 NGN的用户与对方网络下 的应用服务器 AS建立连接。 In the above technical solution, a gateway is set up between the IMS and the NGN AS, and the gateway forwards the conference status notification message fed back by the IMS network AS, so that the user of the IMS or the NGN establishes a connection with the application server AS in the other network.
附图概述 BRIEF abstract
图 1为相关技术多媒体会议的组成示意图；  FIG. 1 is a schematic diagram of a composition of a related art multimedia conference;
图 2为相关技术 IMS或 NGN中的多媒体会议信令交互流程图； 图 3为本实施例的网关在 IMS和 NGN间传输多媒体会议通知服务消息 的方法流程图；  2 is a flowchart of a multimedia conference signaling interaction in a related art IMS or NGN; FIG. 3 is a flowchart of a method for a gateway to transmit a multimedia conference notification service message between an IMS and an NGN according to the embodiment;
图 4为本实施例的 IMS和 NGN间传输多媒体会议通知服务消息的方法 流程图； 图 5为本应用示例的 IMS和 NGN间的多媒体会议信令交互流程图； 图 6为本实施例的在 IMS和 NGN间传输多媒体会议通知服务消息的网 关模块图； 4 is a flowchart of a method for transmitting a multimedia conference notification service message between an IMS and an NGN according to the embodiment; FIG. 5 is a flowchart of a multimedia conference signaling interaction between an IMS and an NGN according to an application example; FIG. 6 is a gateway module diagram of transmitting a multimedia conference notification service message between an IMS and an NGN according to an embodiment of the present invention;
图 7为釆用本实施例的在 IMS和 NGN间传输多媒体会议通知服务消息 的***后， 多媒体会议的组成示意图。 本发明的较佳实施方式  FIG. 7 is a schematic diagram showing the composition of a multimedia conference after the system for transmitting a multimedia conference notification service message between the IMS and the NGN according to the embodiment. Preferred embodiment of the invention
下文中将结合附图对本发明的实施例进行详细说明。 需要说明的是， 在 不冲突的情况下， 本申请中的实施例及实施例中的特征可以相互任意组合。  Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments in the present application may be arbitrarily combined with each other.
图 3为本实施例的网关在 IMS和 NGN间传输多媒体会议通知服务消息 的方法流程图。  FIG. 3 is a flowchart of a method for a gateway to transmit a multimedia conference notification service message between an IMS and an NGN according to the embodiment.
S301接收 IMS和 NGN中一方的多媒体会议业务应用服务器发送的会议 订阅消息；  S301: Receive a conference subscription message sent by a multimedia conference service application server of one of the IMS and the NGN;
S302转发该会议订阅消息至另一方的多媒体会议业务应用服务器。  S302 forwards the conference subscription message to the other party's multimedia conference service application server.
若接收的会议订阅消息中携带目的局号， 本实施例所述网关还可根据该 目的局号将该会议订阅消息转发至所述另一方的多媒体会议业务应用服务器。  If the received conference subscription message carries the destination office number, the gateway in this embodiment may further forward the conference subscription message to the other party's multimedia conference service application server according to the destination office number.
步骤 S302后， 本实施例所述网关还可接收所述另一方的多媒体会议业 务应用服务器发送的会议状态通知消息； 将所述会议状态通知消息转发至所 述 IMS和 NGN中一方的多媒体会议业务应用服务器。  After the step S302, the gateway in this embodiment may further receive a conference status notification message sent by the other party's multimedia conference service application server, and forward the conference status notification message to the multimedia conference service of one of the IMS and the NGN. application server.
图 4为本实施例的 IMS和 NGN间传输多媒体会议通知服务消息的方法 流程图。 4 is a flow chart of a method for transmitting a multimedia conference notification service message between an IMS and an NGN according to the embodiment.
S401 IMS和 NGN中一方的多媒体会议业务应用服务器接收到会议订阅 消息；  The multimedia conference service application server of one of the S401 IMS and the NGN receives the conference subscription message;
S402 判断该会议订阅消息的会议号是否存储在本业务应用服务器上， 如果没有存储在本业务应用服务器上， 执行步骤 S403; 如果存储在本业务应 用服务器上， 本业务应用服务器的操作同现有技术， 此处不再累述， 执行步 骤 S405; S402: determining whether the conference number of the conference subscription message is stored in the service application server, if not stored in the service application server, performing step S403; if stored on the service application server, the operation of the service application server is the same as existing Technology, no longer described here, step Step S405;
S403将该会议订阅消息转发给网关；  S403 forwards the conference subscription message to the gateway.
S404 网关将接收的会议订阅消息转发给另一方的多媒体会议业务应用 服务器；  The S404 gateway forwards the received conference subscription message to the other party's multimedia conference service application server;
若接收的会议订阅消息中携带目的局号， 本实施例所述网关还可根据该 目的局号将该会议订阅消息转发至所述另一方的多媒体会议业务应用服务器； 步骤 S404后， 网关还可接收另一方的多媒体会议业务应用服务器发送 的会议状态通知消息， 并将该会议状态通知消息转发给所述 IMS和 NGN中 一方的多媒体会议业务应用服务器；  If the received conference subscription message carries the destination office number, the gateway in this embodiment may further forward the conference subscription message to the other party's multimedia conference service application server according to the destination office number; after step S404, the gateway may also Receiving a conference status notification message sent by the other party's multimedia conference service application server, and forwarding the conference status notification message to the multimedia conference service application server of one of the IMS and the NGN;
S405 流程结束。  S405 The process ends.
下面以一个具体的应用示例对 IMS和 NGN间的多媒体会议信令交互流 程进行进一步说明， 如图 5所示。 The multimedia conference signaling interaction process between the IMS and the NGN is further illustrated by a specific application example, as shown in FIG. 5.
S501-S521, IMS的 UE1发起创建多媒体会议的 INVITE请求， IMS的 AS1发送 INFO消息到 MRS服务器创建多媒体会议， 并将 UE1加入到多媒 体会议； UE1 向 AS1发送 SUBSCRIBE消息订阅多媒体会议的会场信息， AS1通过 NOTIFY消息向 UE1返回会场信息；  S501-S521, the UE1 of the IMS initiates an INVITE request for creating a multimedia conference, and the AS1 of the IMS sends an INFO message to the MRS server to create a multimedia conference, and the UE1 is added to the multimedia conference. The UE1 sends a SUBSCRIBE message to the AS1 to subscribe to the conference site information of the multimedia conference, AS1. Returning the site information to UE1 through the NOTIFY message;
S522-S559, UE1发送 REFER消息到 AS1邀请 NGN的用户 UE2加入 已建立的多媒体会议； 这部分内容为现有技术， 此处不再详述；  S522-S559, UE1 sends a REFER message to AS1 to invite the user of the NGN UE2 to join the established multimedia conference; this part is prior art, and will not be described in detail herein;
S560-S568 , UE2加入会议成功后， UE2发送会议订阅消息到 AS2 , AS2 将该订阅再通过网关转发至 AS1 ; AS1收到会议订阅消息后， 通过 Notify返 回会场信息， 该会场信息通过网关发送至 AS2, 由 AS2发送给 UE2。  S560-S568, after UE2 joins the conference successfully, UE2 sends a conference subscription message to AS2, and AS2 forwards the subscription to AS1 through the gateway. After receiving the conference subscription message, AS1 returns the site information through Notify, and the site information is sent to the site through the gateway. AS2 is sent by AS2 to UE2.
图 6为本实施例的在 IMS和 NGN间传输多媒体会议通知服务消息的网 关模块图。 FIG. 6 is a diagram of a gateway module for transmitting a multimedia conference notification service message between an IMS and an NGN according to the embodiment.
该网关包括消息接收模块以及消息发送模块， 其中，  The gateway includes a message receiving module and a message sending module, where
消息接收模块， 用于接收 IMS和 NGN中一方的多媒体会议业务应用服 务器发送的会议订阅消息， 将所述会议订阅消息发送至所述消息发送模块； 消息发送模块， 用于转发该会议订阅消息至另一方的多媒体会议业务应 用服务器； a message receiving module, configured to receive a multimedia conference service application service of one of the IMS and the NGN The conference subscription message sent by the server, the conference subscription message is sent to the message sending module, and the message sending module is configured to forward the conference subscription message to the other party's multimedia conference service application server;
上述消息发送模块， 还可在接收的会议订阅消息中携带目的局号时， 根 据该目的局号将该会议订阅消息转发至所述另一方的多媒体会议业务应用服 务器。  The message sending module may further forward the conference subscription message to the multimedia conference service application server of the other party according to the destination office number when the destination conference number is carried in the received conference subscription message.
上述消息接收模块， 还可用于接收所述另一方的多媒体会议业务应用服 务器发送的会议状态通知消息， 并将所述会议状态通知消息发送至所述消息 发送模块；  The message receiving module may be further configured to receive a conference status notification message sent by the other party's multimedia conference service application server, and send the conference status notification message to the message sending module;
上述消息发送模块， 还可用于将所述会议状态通知消息转发至所述 IMS 和 NGN中一方的多媒体会议业务应用服务器。  The message sending module may be further configured to forward the conference status notification message to a multimedia conference service application server of one of the IMS and the NGN.
本实施例还提供了一种在 IMS和 NGN间传输多媒体会议通知服务消息 的***， 该***包括 IMS和 NGN两方的多媒体会议业务应用服务器以及网 关， 其中， The embodiment further provides a system for transmitting a multimedia conference notification service message between the IMS and the NGN, where the system includes a multimedia conference service application server and a gateway of the IMS and the NGN, wherein
任一方的多媒体会议业务应用服务器， 用于在接收会议订阅消息， 若判 断出该会议订阅消息的会议号不在本业务应用服务器， 将该会议订阅消息转 发给网关；  Any one of the multimedia conference service application servers, configured to receive the conference subscription message, and if the conference number of the conference subscription message is determined not to be in the service application server, forwarding the conference subscription message to the gateway;
网关， 用于将接收的会议订阅消息转发给另一方的多媒体会议业务应用 服务器；  a gateway, configured to forward the received conference subscription message to the other party's multimedia conference service application server;
上述网关， 还可在接收的会议订阅消息中携带目的局号时， 根据该目的 局号将该会议订阅消息转发至所述另一方的多媒体会议业务应用服务器。  The gateway may further forward the conference subscription message to the multimedia conference service application server of the other party according to the destination office number when the destination conference number is carried in the received conference subscription message.
上述网关， 还用于接收所述另一方的多媒体会议业务应用服务器发送的 会议状态通知消息， 并将该会议状态通知消息转发给所述任一方的多媒体会 议业务应用服务器。  The gateway is further configured to receive a conference status notification message sent by the other party's multimedia conference service application server, and forward the conference status notification message to the multimedia conference service application server of the one of the parties.
釆用上述实施例记载的在 IMS和 NGN间传输多媒体会议通知服务消息 的***后， 多媒体会议的组成结构图可如图 7所示。 网关 A连接 IMS网络的 AS1和 NGN网络的 AS2 , 用于传输多媒体会议通知服务消息。 本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序 来指令相关硬件完成， 所述程序可以存储于计算机可读存储介质中， 如只读 存储器、 磁盘或光盘等。 可选地， 上述实施例的全部或部分步骤也可以使用 一个或多个集成电路来实现， 相应地， 上述实施例中的各模块 /单元可以釆用 硬件的形式实现， 也可以釆用软件功能模块的形式实现。 本发明不限制于任 何特定形式的硬件和软件的结合。 After the system for transmitting the multimedia conference notification service message between the IMS and the NGN described in the foregoing embodiment, the composition structure diagram of the multimedia conference can be as shown in FIG. 7. The gateway A connects the AS1 of the IMS network and the AS2 of the NGN network for transmitting the multimedia conference notification service message. One of ordinary skill in the art will appreciate that all or a portion of the above steps may be performed by a program to instruct the associated hardware, such as a read only memory, a magnetic disk, or an optical disk. Optionally, all or part of the steps of the foregoing embodiments may also be implemented by using one or more integrated circuits. Accordingly, each module/unit in the foregoing embodiment may be implemented in the form of hardware, or may use software functions. The form of the module is implemented. The invention is not limited to any specific form of combination of hardware and software.
需要说明的是， 本发明还可有其他多种实施例， 在不背离本发明精神及 和变形， 但这些相应的改变和变形都应属于本发明所附的权利要求的保护范 围。  It is to be understood that the invention may be embodied in other forms and modifications without departing from the spirit and scope of the invention.
工业实用性 Industrial applicability
上述技术方案，在 IMS和 NGN的 AS之间搭建网关，利用网关转发 IMS 络 AS反馈的会议状态通知消息， 实现了 IMS或 NGN的用户与对方网络下 的应用服务器 AS建立连接。  In the above technical solution, a gateway is set up between the IMS and the NGN AS, and the gateway forwards the conference status notification message fed back by the IMS network AS, so that the user of the IMS or the NGN establishes a connection with the application server AS in the other network.

Claims

权 利 要 求 书 claims
1、 一种网关在 IP多媒体子*** IMS和下一代网络 NGN间传输多媒体 会议通知服务消息的方法， 所述方法包括： 1. A method for a gateway to transmit multimedia conference notification service messages between the IP multimedia subsystem IMS and the next generation network NGN. The method includes:
接收 IMS和 NGN中一方的多媒体会议业务应用服务器发送的会议订阅 消息； Receive conference subscription messages sent by the multimedia conference service application server of one of IMS and NGN;
转发该会议订阅消息至另一方的多媒体会议业务应用服务器。 Forward the conference subscription message to the multimedia conference service application server of the other party.
2、 如权利要求 1所述的方法， 其中， 2. The method of claim 1, wherein,
所述转发该会议订阅消息至另一方的多媒体会议业务应用服务器， 包括: 根据接收的会议订阅消息携带的目的局号将该会议订阅消息转发至所 述另一方的多媒体会议业务应用服务器。 The forwarding of the conference subscription message to the multimedia conference service application server of the other party includes: forwarding the conference subscription message to the multimedia conference service application server of the other party according to the destination office number carried in the received conference subscription message.
3、 如权利要求 1或 2所述的方法， 其中， 3. The method according to claim 1 or 2, wherein,
在转发该会议订阅消息至另一方的多媒体会议业务应用服务器后， 还接 收所述另一方的多媒体会议业务应用服务器发送的会议状态通知消息； After forwarding the conference subscription message to the other party's multimedia conference service application server, also receiving the conference status notification message sent by the other party's multimedia conference service application server;
将所述会议状态通知消息转发至所述一方的多媒体会议业务应用服务器。 Forward the conference status notification message to the multimedia conference service application server of the party.
4、 一种在 IP多媒体子*** IMS和下一代网络 NGN间传输多媒体会议 通知服务消息的方法， 所述方法包括： 4. A method for transmitting multimedia conference notification service messages between the IP multimedia subsystem IMS and the next generation network NGN. The method includes:
IMS和 NGN中一方的多媒体会议业务应用服务器接收到会议订阅消息， 若判断出该会议订阅消息的会议号不在本业务应用服务器存储， 将该会议订 阅消息转发给网关； The multimedia conference service application server of one of IMS and NGN receives the conference subscription message. If it determines that the conference number of the conference subscription message is not stored in this service application server, it forwards the conference subscription message to the gateway;
所述网关将接收的会议订阅消息转发给另一方的多媒体会议业务应用服 务器。 The gateway forwards the received conference subscription message to the other party's multimedia conference service application server.
5、 如权利要求 4所述的方法， 其中， 5. The method of claim 4, wherein,
所述网关将接收的会议订阅消息转发给另一方的多媒体会议业务应用服 务器， 包括： The gateway forwards the received conference subscription message to the other party's multimedia conference service application server, including:
所述网关根据接收的会议订阅消息携带的目的局号将该会议订阅消息转 发至所述另一方的多媒体会议业务应用服务器。 The gateway forwards the conference subscription message to the multimedia conference service application server of the other party according to the destination office number carried in the received conference subscription message.
6、 如权利要求 4或 5所述的方法， 其中， 所述网关将接收的会议订阅消息转发给另一方的多媒体会议业务应用服 务器后， 还接收另一方的多媒体会议业务应用服务器发送的会议状态通知消 息， 并将该会议状态通知消息转发给所述 IMS和 NGN中一方的多媒体会议 业务应用服务器。 6. The method of claim 4 or 5, wherein, After the gateway forwards the received conference subscription message to the other party's multimedia conference service application server, it also receives the conference status notification message sent by the other party's multimedia conference service application server, and forwards the conference status notification message to the IMS. and NGN's multimedia conference business application server.
7、 一种在 IP多媒体子*** IMS和下一代网络 NGN间传输多媒体会议 通知服务消息的网关，所述网关包括消息接收模块以及消息发送模块，其中， 所述消息接收模块， 设置为： 接收 IMS和 NGN中一方的多媒体会议业 务应用服务器发送的会议订阅消息， 将所述会议订阅消息发送至所述消息发 送模块； 7. A gateway for transmitting multimedia conference notification service messages between the IP multimedia subsystem IMS and the next generation network NGN. The gateway includes a message receiving module and a message sending module, wherein the message receiving module is set to: receive IMS and the conference subscription message sent by the multimedia conference service application server of one party in the NGN, sending the conference subscription message to the message sending module;
所述消息发送模块， 设置为： 转发该会议订阅消息至另一方的多媒体会 议业务应用服务器。 The message sending module is configured to: forward the conference subscription message to the other party's multimedia conference service application server.
8、 如权利要求 7所述的网关， 其中， 8. The gateway as claimed in claim 7, wherein,
所述消息发送模块， 设置为： 转发该会议订阅消息至另一方的多媒体会 议业务应用服务器， 包括： The message sending module is set to: forward the conference subscription message to the other party's multimedia conference service application server, including:
所述消息发送模块根据接收的会议订阅消息携带的目的局号将该会议订 阅消息转发至所述另一方的多媒体会议业务应用服务器。 The message sending module forwards the conference subscription message to the multimedia conference service application server of the other party according to the destination office number carried in the received conference subscription message.
9、 如权利要求 7或 8所述的网关， 其中， 9. The gateway as claimed in claim 7 or 8, wherein,
所述消息接收模块， 还设置为： 接收所述另一方的多媒体会议业务应用 服务器发送的会议状态通知消息， 并将所述会议状态通知消息发送至所述消 息发送模块； The message receiving module is further configured to: receive a conference status notification message sent by the other party's multimedia conference service application server, and send the conference status notification message to the message sending module;
所述消息发送模块,还设置为：将所述会议状态通知消息转发至所述 IMS 和 NGN中一方的多媒体会议业务应用服务器。 The message sending module is also configured to forward the conference status notification message to the multimedia conference service application server of one of the IMS and NGN.
10、 一种在 IP多媒体子*** IMS和下一代网络 NGN间传输多媒体会议 通知服务消息的***， 所述***包括 IMS和 NGN两方的多媒体会议业务应 用服务器以及网关， 其中， 10. A system for transmitting multimedia conference notification service messages between the IP multimedia subsystem IMS and the next generation network NGN. The system includes multimedia conference service application servers and gateways of both IMS and NGN, where,
任一方的多媒体会议业务应用服务器， 设置为： 在接收会议订阅消息， 若判断出该会议订阅消息的会议号不在本业务应用服务器， 将该会议订阅消 息转发给网关； 所述网关， 设置为： 将接收的会议订阅消息转发给另一方的多媒体会议 业务应用服务器。 The multimedia conference business application server of either party is set to: when receiving a conference subscription message, if it is determined that the conference number of the conference subscription message is not in this business application server, forward the conference subscription message to the gateway; The gateway is configured to: forward the received conference subscription message to the multimedia conference service application server of the other party.
11、 如权利要求 10所述的***， 其中， 11. The system of claim 10, wherein,
所述网关， 设置为： 将接收的会议订阅消息转发给另一方的多媒体会议 业务应用服务器， 包括： The gateway is set to: forward the received conference subscription message to the other party's multimedia conference business application server, including:
所述网关根据接收的会议订阅消息携带的目的局号将该会议订阅消息转 发至所述另一方的多媒体会议业务应用服务器。 The gateway forwards the conference subscription message to the multimedia conference service application server of the other party according to the destination office number carried in the received conference subscription message.
12、 如权利要求 10或 11所述的***， 其中， 12. The system of claim 10 or 11, wherein,
所述网关， 还设置为： 接收所述另一方的多媒体会议业务应用服务器发 送的会议状态通知消息， 并将该会议状态通知消息转发给所述任一方的多媒 体会议业务应用服务器。 The gateway is further configured to: receive a conference status notification message sent by the multimedia conference service application server of the other party, and forward the conference status notification message to the multimedia conference service application server of either party.
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