WO2009024078A1 - Procédé, système de réseau et processeur multimédia pour mettre en œuvre une sous-conférence - Google Patents

Procédé, système de réseau et processeur multimédia pour mettre en œuvre une sous-conférence Download PDF

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Publication number
WO2009024078A1
WO2009024078A1 PCT/CN2008/072030 CN2008072030W WO2009024078A1 WO 2009024078 A1 WO2009024078 A1 WO 2009024078A1 CN 2008072030 W CN2008072030 W CN 2008072030W WO 2009024078 A1 WO2009024078 A1 WO 2009024078A1
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WIPO (PCT)
Prior art keywords
conference
participant
context
sub
endpoint
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PCT/CN2008/072030
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English (en)
Chinese (zh)
Inventor
Jiangping Feng
Tingfang Tang
Original Assignee
Huawei Technologies Co., Ltd.
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Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2009024078A1 publication Critical patent/WO2009024078A1/fr

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Classifications

    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H04L12/1822—Conducting the conference, e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference sessions, prioritising transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/563—User guidance or feature selection
    • H04M3/564—User guidance or feature selection whereby the feature is a sub-conference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/567—Multimedia conference systems

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, a network system, and a multimedia processor for implementing a conference.
  • Multimedia conferences include main conferences and sub-meetings. Sub-meetings will be held in the meeting, that is, some participants will discuss it privately and will not affect other participants.
  • Multimedia conferences can use the H.248/MEGACO (Media Gateway Control) protocol.
  • the H.248/MEGACO protocol is a media gateway control protocol jointly developed by the International Telecommunication Union Telecommunication Standardization Sector ITU-T and the Internet Engineering Task Force IETF. It supports the separation of call control entities from bearer control entities, as well as bearer control entities and transport entities. Separation.
  • the endpoint in the context Context
  • the context and endpoint are instructed by the multimedia controller MC (Multimedia Processor) to create and connect the multimedia processor MP (Multimedia Processor).
  • the interface between MP and MC uses H.248/MEGACO as the control protocol.
  • MP is the media gateway MGW (Media Gateway)
  • MC is the mobile switching center server MSC Server
  • MP is the media resource function processor MRFP
  • MC is the media resource function control MRFC.
  • Embodiments of the present invention provide a method, a network system, and a multimedia office for implementing a sub-conference
  • the device enables participants to participate in the main meeting and participate in the sub-conference.
  • An embodiment of the present invention provides a method for implementing a sub-conference, including:
  • the sub-conference connection endpoint is connected to the sub-conference proxy endpoint; the participant access endpoint is set in the participant context.
  • the embodiment of the invention provides a network system, including:
  • a multimedia processor for setting contexts and endpoints and connecting
  • a multimedia controller configured to control a multimedia processor setting context and an endpoint; and the multimedia processor creates a sub-conference context according to the indication of the multimedia controller, and sets a sub-conference proxy endpoint in the sub-conference context,
  • the party context sets the child conference connection endpoint, and connects the child conference connection endpoint to the child conference proxy endpoint, where the participant context is set with the participant access endpoint.
  • An embodiment of the present invention provides a multimedia processor, including:
  • a sub-conference creation unit for creating a sub-conference context
  • a first processing unit configured to set a sub-conference proxy endpoint in a sub-conference context created by the sub-conference creation unit, set a sub-conference connection endpoint in a participant context, and perform the sub-conference connection endpoint with the sub-conference proxy endpoint A connection in which the participant access endpoint is set in the context of the participant.
  • FIG. 1 is a main conference model of a separate context mode in an application scenario according to an embodiment of the present invention
  • 2 is a main conference model of a non-separated context mode in an application scenario according to an embodiment of the present invention
  • 3 is a schematic diagram of application of a main conference model of a separate context mode in an application scenario according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a sub-meeting establishment model according to an embodiment of the present invention.
  • FIG. 6 is a model diagram of a participant after leaving a sub-meeting according to an embodiment of the present invention
  • FIG. 7 is a flowchart of establishing a sub-meeting according to an embodiment of the present invention.
  • FIG. 8 is a flow chart of a participant leaving a sub-meeting according to an embodiment of the present invention.
  • FIG. 9 is a model diagram of a sub-conference establishment according to another embodiment of the present invention.
  • FIG. 10 is a model diagram of a participant after leaving a sub-meeting according to another embodiment of the present invention
  • FIG. 11 is a flowchart of establishing a sub-meeting according to another embodiment of the present invention.
  • FIG. 12 is a flow chart of a participant leaving a sub-meeting according to another embodiment of the present invention
  • FIG. 13 is a schematic structural diagram of a network system according to an embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of a multimedia processor according to an embodiment of the present invention. detailed description
  • An embodiment of the present invention provides a method for implementing a sub-conference, such that a primary conference implemented in a separate context mode or a primary conference implemented in a non-detached context mode can establish a sub-conference according to the method.
  • the bearer model of the main conference in an application scenario of the embodiment of the present invention includes a main conference model in which the context mode is separated and a main conference model in the non-separated context mode, as shown in FIG. 1 and FIG. 2, respectively.
  • the participant context and the main conference context are included, and the participant access endpoint and the main conference connection endpoint are set in the participant context, and the main conference proxy endpoint, the main conference proxy endpoint, and the participant context are set in the main conference context.
  • the primary conference connects to the endpoint connection.
  • the reference numerals in FIG. 1 are: C1 is the main conference context, C2 is the participant context, T1 is the main conference proxy endpoint, T2 is the participant access endpoint, and T3 is the main conference connection endpoint.
  • C1 is the main conference context
  • T2 Access the endpoint for the participant.
  • FIG. 3 is a schematic diagram of application of a main conference model of a separate context mode in an application scenario according to an embodiment of the present invention.
  • Ca, Cb, and Cc correspond to the context of participants VIII, B, and C respectively;
  • Cm' is the main conference context;
  • TX is the participant access endpoint of each participant, and the letter X represents each participant, in the figure Including TA, TB, TC;
  • TX0' is the main conference proxy endpoint of each participant in the context of the main conference, including TA0', TB0', TC0' in the figure;
  • ⁇ is the main conference connection endpoint of each participant, in the figure It includes ⁇ , ⁇ , TC1'.
  • the media stream mode between the main conference context and the endpoints of each participant context is a two-way connection, that is, a transmittable and receivable mode, and the media stream topology relationship between the endpoints of each participant context is also a two-way connection.
  • the sub-conference participant may be the main conference participant or the main conference-independent participant.
  • the media types of the main and sub-conferences can be different.
  • the media interaction between the main conference and the sub-meeting and the media interaction between the sub-conferences can be based on the requirements. For example: the sub-conference does not affect other participants of the main conference, the main conference does not receive the media stream of the sub-conference, and the sub-conferences that are not related to the main conference participate.
  • the media stream that only receives the sub-conference can not receive the media of the main conference, and the sub-conference participants from the main conference can simultaneously receive the media stream of the main conference and the media stream of the sub-conference.
  • the media interaction between the main conference and the sub-meeting and the media interaction between the sub-conferences can be implemented as follows: Setting the media context between the conference context and the participant context connection endpoints The media stream topology relationship between the relevant endpoints in the following. Settings can be set to only one of them, or they can be set at the same time. It should be noted that the settings mentioned here may be directly set or modified.
  • the participant When the participant leaves the sub-conference, it will perform different processing according to whether the participant is the participant of the main meeting. For a primary conference-independent participant, the participant is removed directly from the child conference. After the participant from the main conference leaves the sub-conference, it needs to be returned to the main conference, so it is necessary to delete the participant's connection in the sub-conference and restore the participant's connection in the main conference. Restoring the participant's connection in the main meeting is to modify the participant at the main meeting when establishing the sub-conference The inverse of the connection in the discussion.
  • the participant context when the context mode is separated, the participant context originally sets the sub-meeting connection endpoint, and when the restore is performed, the sub-meeting connection endpoint is deleted, and the media stream mode between the original participant and the main conference is set by sending and receiving media streams between each other.
  • the media stream mode of the main conference connection endpoint in the participant context and the main conference proxy endpoint in the main conference context are reset to be transmittable and receivable. If the non-separated context mode is corresponding, because it needs to be converted to the separate context mode before, it is necessary to establish a separate participant context for each participant, and establish a connection between the participant context and the main conference context, and then with the sub-conference context.
  • the embodiment of the present invention provides a basic model for implementing a sub-conference method, but is not limited thereto.
  • FIG. 4 it is a basic model for implementing a sub-meeting according to an embodiment of the present invention.
  • the reference numerals in FIG. 4 are: C1 represents the main conference context, C2 represents the participant context of the main conference participant, C3 represents the sub-conference context, C4 represents the participant context of the main conference-independent participant, and T1 represents the main conference agent. Endpoint, T2 indicates the participant access endpoint, T3 indicates the primary conference connection endpoint, T4 indicates the conference connection endpoint, and T5 indicates the conference conference endpoint.
  • the main meeting context, the participant context, and the newly created subconference context are included.
  • a sub-conference proxy endpoint is set in the sub-conference context
  • a sub-conference connection endpoint is set in the participant context
  • the sub-conference proxy endpoint in the sub-conference context is connected to the sub-conference connection endpoint in the participant context.
  • the participant access endpoint is set in the context of the participant.
  • the primary conference connection endpoint in the participant context is connected to the primary conference proxy endpoint in the primary conference context.
  • the conference system establishes the sub-conference-related operation of the sub-conference: if the current participant is the first participant in the sub-conference, the sub-conference context is established, and in the context Establish a primary conference connection endpoint for the participant, Otherwise, the primary conference connection endpoint is established for the participants directly in the context of the sub-conference.
  • the sub-conference connection endpoint may be an idle endpoint in the context of the participant, or may be newly established, and then the sub-conference connection endpoint in the participant context is The primary conference connection endpoint connection in the subconference context.
  • the conference system establishes the sub-conference-related operation of the sub-conference: if the current participant is the first participant in the sub-conference, the sub-conference context is established, and in the context, The participant establishes a sub-conference proxy endpoint, otherwise the sub-conference proxy endpoint is established for the participant directly in the context of the sub-conference.
  • Establishing a participant context for the participant, and establishing a participant access endpoint and a sub-meeting connection endpoint in the participant context, and then connecting the participant access endpoint to the participant terminal, and the sub-conference connection endpoint in the participant context is Subconference proxy endpoint connection in the context of a subconference.
  • the participant participates in multiple sub-conferences in the model, multiple sub-conference contexts are created according to the above process, and the corresponding participant context includes multiple sub-conference connection endpoints, and multiple sub-conference connection endpoints and sub-conference contexts.
  • the subconference proxy endpoint connection can be set as follows: For example, for a sub-conference, only the media stream can be received without sending the media stream, and for some sub-conferences, the media stream can be received and sent.
  • the media interaction between the main conference and the sub-meeting, and the media interaction between the sub-conferences can also be implemented as follows: modifying the media stream between the conference context and the relevant endpoints in the media context of the participant context connection endpoint For the relationship between the two, you can modify only one of these two modifications, or you can perform ⁇ ⁇ ' tampering at the same time.
  • the foregoing basic model is based on a primary conference model in a separate context mode.
  • the primary conference model may be first converted into a separate conference mode, that is, Each participant establishes a separate participant context and establishes a connection between the participant context and the primary conference context.
  • the establishment of the connection between the participant context and the main conference context can be implemented by two schemes: one scheme is to create a new participant access endpoint and a primary conference connection endpoint in the context of the participant, and connect the original participant in the context of the main conference.
  • the primary conference proxy endpoint of the context then connects the primary conference connection endpoint of the participant context with the primary conference proxy endpoint of the primary conference context and connects the participant endpoint to the participant access endpoint.
  • Another solution is to move the original participant access endpoint in the context of the primary conference to the participant context and continue to act as the participant access endpoint, and establish the primary conference proxy endpoint for the participant in the context of the primary conference, in the context of the participant. Establish a primary conference connection endpoint, and then connect the primary conference connection endpoint of the participant context to the primary conference proxy endpoint of the primary conference context.
  • the sub-meeting can be implemented according to the basic model provided by the embodiment of the present invention, whether it is the split context mode or the main conference model of the split context mode.
  • FIG. 5 is a model diagram of a sub-meeting establishment according to an embodiment of the present invention
  • FIG. 6 is a model diagram of a participant after leaving a sub-conference according to an embodiment of the present invention. It is assumed that the model diagram before the establishment of the sub-conference is shown in Figure 3 of the prior art.
  • the hollow ellipse in the figure represents the context and the solid circle represents the endpoint.
  • the main conference is implemented according to the model of the separate context mode.
  • the media interaction strategy is: the sub-conference does not affect other participants of the main conference, the main conference does not receive the media stream of the sub-conference, and the sub-conference participants from the main conference
  • the media stream of the main conference and the media stream of the sub-meeting can be simultaneously received.
  • A, B, and C are the participants of the main conference.
  • A initiates the establishment of a voice sub-meeting request, and invites B and C to join the sub-conference. After the sub-conference is performed for a period of time, A leaves the sub-conference to return to the main conference, but does not delete the sub-conference.
  • Ca, Cb, and Cc correspond to the context of the participants, B, and C, respectively, Cm is the sub-conference context, and Cm is the main conference context; TX is the participant's access endpoint of each participant, and the party's sub-conference connection endpoint; ⁇ 'The topology in the main conference context (Cm) and sub-conference context (Cm,) of the main conference in the main conference context of each participant is the interconnection of each endpoint (Broadway).
  • FIG. 7 is a flowchart of establishing a sub-meeting according to an embodiment of the present invention
  • FIG. 8 is a flowchart of the present invention. Participants of the embodiments leave the sub-meeting flowchart.
  • the diagram includes the following steps:
  • Step al-fl the MC needs to modify the media connection of the participant A in the main conference on the MP when receiving the request initiated by the A to establish the sub-conference.
  • the step a-fl includes the following steps: wherein, in step al-dl, the MC sends a MOD. request message to the MP, requesting to modify the flow mode of the participant's primary conference connection endpoint ( ⁇ ) to receive only ("RevOnly"), MP
  • the MOD. reply message response is used to return the negotiation execution result.
  • the main conference proxy endpoint ( ⁇ ') in the main conference context (Cm') the corresponding stream mode needs to be modified to be sent only ("SendOnly").
  • the step el- ⁇ , MC indicates ⁇ ' tampering with the topological relationship in the participant's context (Ca) of A, connecting the primary conference of the A to the endpoint ( ⁇ ) to the participant access endpoint (TA) of the A
  • the media flow is modified to one-way.
  • the voice stream can only be transmitted in one direction from the primary conference context (Cm') to the participant's upper and lower (Ca) of A.
  • the primary conference does not receive the media stream of the conference.
  • the conference participant can receive the media stream of the conference.
  • Participant A chooses not to receive the media stream of the main conference, then the media stream mode of the main conference connection endpoint ( ⁇ ) and the main conference proxy endpoint ( ⁇ ') of the participant A is deactivated, that is, the modification is performed on the endpoint.
  • the media stream mode is deactivated ("Inactive”); or the participant access endpoint (TA) and the main conference connection endpoint ( ⁇ ) in the participant context (Ca) are isolated; or the participant's primary conference connection is modified at the same time.
  • the media stream mode of the endpoint ( ⁇ ) and the primary conference proxy endpoint ( ⁇ ') is "Inactive" (deactivated) and the participant access endpoint (TA) and the primary conference connection in the participant context (Ca) of quarantine A Endpoint ( ⁇ ).
  • Step gl_hl the MC sends an ADD. request message to the MP, requesting to establish a sub-conference context, and in this context, establish a sub-conference proxy endpoint for the participant.
  • the MP responds with an ADD. reply message, returning its assigned context (Cm) and subconference proxy endpoint (TA0) identity.
  • Step il-nl MC instructs the MP to establish the bearer path of the participant A to the sub-conference and the topology in the context of the participant of the modification A.
  • the step il_nl includes the following steps, wherein the step il_jl, the MC sends an ADD. request message to the MP, carrying the sub-conference proxy endpoint (TA0) in the sub-conference context (Cm)
  • the address information parameter requires that the sub-conference connection endpoint be established for the participant in the participant context (Ca), and the MP responds with an ADD. reply message, returning the sub-conference connection endpoint (TA1) identifier of the participant to which it is assigned.
  • Step kl-11 the MC sends a MOD. request message to the MP, carrying the address information parameter of the sub-conference connection endpoint (TA1) in the participant context (Ca), requesting the participant's sub-conference proxy endpoint (TA0) and the child
  • the conference connection endpoint (TA1) is connected, and the MP responds with a MOD. reply message, returning the negotiation execution result.
  • the step ml-nl, MC instructs the MP to modify the topology in the participant context (Ca), isolate the media stream of the participant's child conference connection endpoint (TA1) and the primary conference connection endpoint ( ⁇ ), and participate in the party conference.
  • the connection endpoint (TA1) is connected to the participant access endpoint (TA). In this way, the bearer path from the participant to the sub-conference context is established.
  • Step a2-n2 A invites B to join the sub-conference. Since the sub-conference context has been established, when sub-conference proxy endpoint is established for B in step g2, only sub-conference proxy endpoint TB0 of B needs to be added directly to the sub-conference context. The other steps are the same as al-nl.
  • Steps a3-n3, C are invited to join the sub-conference, the steps are exactly the same as a2-n2. It should be noted that the foregoing embodiments do not necessarily need to strictly follow the steps in the embodiment, for example, the related operations of establishing a sub-conference context may be performed first.
  • Figure 8 shows the process from Participant A returning to the main conference from the main conference, including the steps: Step al- ⁇ , MC receives A request to leave the sub-meeting, and then instructs MP to restore A media connection in the main conference.
  • the step alf_fl includes the following steps, wherein the step alg1, the MC sends a MOD. request message to the MP, requesting to modify the flow mode of the participant's primary conference connection endpoint (() to be transmittable and receivable ("SendRecv”), MP use
  • the MOD. reply message response returns the result of the negotiation execution.
  • the primary conference proxy endpoint ( ⁇ ') in the context of the primary conference the corresponding stream mode needs to be modified to be transmittable and receivable (“SendRecv").
  • step el- ⁇ , MC indicates ⁇ ' tampering with the topology relationship in A's participant context (Ca), and A's primary conference connection endpoint ( ⁇ ) to A's participant access endpoint
  • the media flow of (TA) is modified to two-way.
  • the media connection of the participant A in the main conference has been restored, and the media stream between the main conference context (Cm, ) and the participant's context (Ca) of the voice stream can be transmitted in both directions, and the main conference can receive the sending by the participant.
  • Media stream; participants can also receive media streams from the main meeting.
  • Step a2-d2 the MP needs to delete the media connection of the participant A in the sub-conference.
  • Step a2_d2 includes the following steps, in which step a2_b2, the MC sends a SUB.reque st message to the MP, requesting to delete the sub-conference connection endpoint (TA1) of the participant A in the participant context (Ca), and the MP uses the SUB. rep ly message In response, the execution result is returned.
  • Step c2-d2 the MC sends a SUB.reques t message to the MP, requesting to delete the participant's sub-conference proxy endpoint (TAO) in the sub-conference context (Cm), and the MP uses the SUB. rep ly message response to return execution. Result; such that the connection of A in the sub-conference has been deleted.
  • TAO sub-conference proxy endpoint
  • the establishment of a voice sub-conference includes a primary conference-independent participant, see Figures 9 through 12.
  • 9 is a model diagram of a sub-meeting establishment according to another embodiment of the present invention
  • FIG. 10 is a model diagram of a participant after leaving a sub-meeting according to another embodiment of the present invention. It is assumed that the model diagram before the establishment of the sub-conference is the main conference model of the prior art non-separation context mode.
  • the media interaction strategy is: The sub-conference does not affect other participants of the main conference.
  • the main conference does not receive the media stream of the sub-conference.
  • the sub-conference participants that are not related to the main conference only receive the media stream of the sub-conference and cannot receive the media stream of the main conference.
  • the sub-conference participants of the main conference can simultaneously receive the media stream of the main conference and the media stream of the sub-conference.
  • This embodiment requires first converting the main conference model into a main conference model that separates the context mode.
  • the scheme of establishing the connection between the participant context and the main conference context is: moving the original participant access endpoint in the main conference to the participant context and continuing to act as the participant Enter the endpoint, establish the primary conference proxy endpoint for the participant in the context of the primary conference, establish the primary conference connection endpoint in the context of the participant, and then connect the primary conference connection endpoint in the participant context to the primary conference proxy endpoint in the primary conference context .
  • a and B are the main participants of the conference
  • C and D are the main participants.
  • A initiates the establishment of a voice sub-meeting request, and invites B, C, and D to join the sub-conference. After the sub-conference is performed for a period of time, C successively leaves the sub-conference, but does not delete the sub-conference.
  • Ca, Cb, Cc, and Cd correspond to the participant's context of participants, B, C, and D, respectively,
  • Cm is the sub-conference context, Cm, which is the main conference context;
  • TX is the participation of each participant.
  • TX1 is the sub-conference connection endpoint of each participant; TX0' is the endpoint of each participant in the main conference context.
  • the topologies in the main conference context (Cm) and the sub-conference context (Cm,) are interconnected by each endpoint ( Bothway ) 0
  • FIG. 11 is a flowchart of a sub-meeting establishment according to another embodiment of the present invention
  • FIG. 12 is a flowchart of a participant leaving a sub-conference according to another embodiment of the present invention.
  • Figure 11 includes the steps:
  • Step a-rl the MC moves the participant A from the main conference to the sub-conference when receiving the request for establishing the sub-meeting initiated by the A.
  • the bearer-related operations that need to be completed in the MP include: establishing a participant context for A, establishing Sub-conference context, modify the media connection of A in the main conference, and establish the connection of A in the sub-conference.
  • the step a-r l includes the following steps, where the step al-bl, the MC sends a MOV.reques t message to the MP, and requests to establish a participant context for A, and connects the original participant of the participant A in the main conference.
  • the inbound endpoint (TA) moves into the participant context, and the MP responds with a MOV. rep ly message, returning its assigned Participant A context (Ca) and Participant Access Endpoint (TA) move operation results.
  • the MC sends an ADD.reques t message to the MP, requesting to establish the primary conference proxy endpoint of the participant A in the primary conference context (Cm,), and setting the flow mode of the endpoint to only send (" SendOnly"), the MP responds with an ADD. reply message, returning the primary conference proxy endpoint ID (TA0') of its assigned A.
  • the MC sends an ADD. reques t message to the MP, and carries the address information parameter of the primary conference proxy endpoint (TA0, ) in the primary conference context (Cm, ), which is required to be in the participant's context (Ca) of A.
  • the MC sends a MOD. request message to the MP, carrying the primary conference connection endpoint ( ⁇ ) in the participant context (Ca).
  • the address information parameter requires the primary conference proxy endpoint ( ⁇ ') to be connected to the primary conference connection endpoint ( ⁇ ), and the MP responds with a MOD. reply message to return the negotiation execution result.
  • Step il_jl MC instructs the MP to modify the topology relationship in the participant context (Ca) of A, and modify the media flow direction between the primary conference connection endpoint ( ⁇ ) of A to the participant access endpoint (TA) of A to unidirectional.
  • the participant context (Ca) has been established for A, and the participant context (Ca) is connected to the main conference context (Cm,), and the voice stream is from the main conference context (Cm, ) to the participant context of A (Ca).
  • the primary conference can only receive the media stream of the conference, and the conference participant can receive the media stream of the conference.
  • the MC sends an ADD. request message to the MP, requesting to establish a sub-conference context, and establishing a sub-conference proxy endpoint in the sub-conference context.
  • the MP responds with an ADD. reply message, returning its assigned context ( Cm ) and sub-conference proxy endpoint (TA0) identifier.
  • the step ml_nl the MC sends an ADD. request message to the MP, and carries the address information parameter of the sub-conference proxy endpoint (TA0) in the sub-conference context (Cm), and requires the sub-conference of A to be established in the participant context (Ca) of A. Connect to the endpoint, and the MP responds with an ADD. reply message, returning the subconference connection endpoint ID (TA1) it assigned.
  • the step ol_pl the MC sends a MOD. request message to the MP, carrying the address information parameter of the sub-conference connection endpoint (TA1) in the participant context (Ca), requesting the sub-conference proxy endpoint (TA0) in the sub-conference context and The participating party conference connection endpoint (TA1) is connected, and the MP responds with a MOD. reply message to return the negotiation execution result.
  • the step dl_rl, MC instructs the MP to modify the topology relationship in the participant context (Ca) of A, and isolate the media stream between the sub-conference connection endpoint (TA1) of A and the main conference connection endpoint ( ⁇ ') of A.
  • TA1 sub-conference connection endpoint
  • ⁇ ' main conference connection endpoint
  • Step a2-r2 B is invited to join the sub-meeting, and the participant B needs to be moved from the main meeting.
  • the bearer-related operations that need to be completed in the MP include: establishing a participant context for B, modifying the media connection of B in the main conference, and establishing a connection of B in the sub-conference. Since the sub-conference context has been established, when sub-conference proxy endpoints are established for B in step k2, only the sub-conference proxy endpoints (TB0) of B need to be added directly to the sub-conference context (Cm). The other steps are the same as al-rl.
  • Steps a3-h3, C are invited to join the sub-conference, and the MP needs to establish a participant context for C and establish a connection in the sub-conference.
  • Step a3_h3 includes the following steps, wherein, in step a3_b3, the MC sends an ADD. request message to the MP, requesting to establish a sub-conference proxy endpoint for the participant C in the sub-conference context (Cm); the MP responds with an ADD. reply message, and returns to the The assigned sub-conference agent endpoint (TC0) identifier of Participant C.
  • the MC sends an ADD. request message to the MP, requesting to establish a sub-conference proxy endpoint for the participant C in the sub-conference context (Cm); the MP responds with an ADD. reply message, and returns to the The assigned sub-conference agent endpoint (TC0) identifier of Participant C.
  • TC0 sub-conference agent endpoint
  • the reply message responds by returning its assigned Participant C context (Cc) and Participant Access Endpoint (TC) identity; then connecting the Participant Terminal to the Participant Access Endpoint (TC).
  • the step e3_f3 the MC sends an ADD. request message to the MP, and carries the address information parameter of the sub-conference proxy endpoint (TC0) in the sub-conference context (Cm), and requests to establish the sub-conference connection endpoint of the participant C; the MP uses ADD.
  • the reply message responds by returning the sub-conference connection endpoint (TC1) identifier of the participant C to which it is assigned.
  • step g 3-h3 the MC sends a MOD. request message to the MP, carrying the address information parameter of the sub-conference connection endpoint (TC1) in the participant context (Cc), requesting the participant's sub-conference proxy endpoint (TC0) Connected to the sub-conference connection endpoint (TC1), the MP responds with a MOD. reply message and returns the negotiation execution result. In this way, the bearer path from the participant C to the sub-conference is established.
  • Figure 12 shows the process from Participant A returning from the main conference to the main conference and the participant C leaving the sub-conference without the main conference, including the steps:
  • Step a-jl the MC receives the A request to leave the sub-conference, instructs the MP to restore the media connection of the A in the main conference, and deletes the connection of the A in the sub-meet, where the step al-fl is to restore A in the main conference.
  • the connection operation, step gl-jl is to delete the connection operation of A in the sub-conference.
  • the step a1_jl includes the following steps, in which the step al_bl, the MC sends a SUB. request message to the MP, requesting to delete the primary conference proxy endpoint ( ⁇ ') of the participant A in the main conference context (Cm'), and the MP uses the SUB. reply message. In response, the execution result is returned.
  • the step cl_dl the MC sends a MOV. request message to the MP, and requests the participant access terminal (TA) of the participant A in the participant context to be moved to the main conference context (Cm'), and the MP uses the MOV. reply. The message responds, returning the execution result.
  • TA participant access terminal
  • Cm' main conference context
  • Step e-fl the MC sends a SUB. request message to the MP, requesting to delete the primary conference connection endpoint ( ⁇ ) of the participant A in the participant context (Ca), and the MP responds with a SUB. reply message, and returns the execution result; In this way, A's connection in the main conference has been restored.
  • the MC sends a SUB. request message to the MP, requesting to delete the sub-conference connection endpoint (TA1) of the participant A in the participant context (Ca), and the MP responds with a SUB. reply message, and returns the execution result; If no endpoint exists in the participant context, the context is deleted.
  • TA1 sub-conference connection endpoint
  • Step il-jl the MC sends a SUB. request message to the MP, requesting to delete the sub-conference proxy endpoint (TAO) of the participant A in the sub-conference context (Cm), and the MP responds with a SUB. reply message, and returns the execution result; Thus A's connection in the sub-conference has been deleted.
  • TAO sub-conference proxy endpoint
  • Step a2-f2 the MC receives the C request to leave the sub-meeting, and instructs the MP to delete the connection of C in the sub-conference.
  • Step a2_f2 includes the following steps, wherein, in step a2_b2, the MC sends a SUB. request message to the MP, requesting to delete the sub-conference connection endpoint (TCI) of the participant C in the participant context (Cc), and the MP responds with a SUB. reply message, Returns the execution result.
  • Step c2-d2 the MC sends a SUB.reques t message to the MP, requesting to delete the participant access terminal (TC) of the participant C in the participant context (Cc), and the MP responds with a SUB. rep ly message. Execution result; if there is no endpoint in the participant's context of C, the context is deleted.
  • Step e2-f 2 the MC sends a SUB. reques t message to the MP, requesting to delete the sub-conference proxy endpoint (TCO) of the participant C in the sub-conference context (Cm), and the MP responds by using the SUB. rep ly message. Execution result; At this point, the media connection of participant C in the sub-conference has been deleted.
  • TCO sub-conference proxy endpoint
  • the media type is a voice conference as an example, but is not limited thereto.
  • the media types of the primary conference and the conference may be different, and the participants are from the conference, and the media interaction strategy in the conference may be based on Different strategies need to be developed. Therefore, the sub-conference has multiple application scenarios, such as a voice main conference to establish a video sub-conference, a video main conference to establish a video sub-conference, a video main conference to establish a voice sub-conference, and the like, and the implementation principle is the same.
  • the set media interaction policy may be, for example, that only a sub-conference can receive only the media stream without transmitting the media stream, and for some sub-conferences, the media stream can be received and sent.
  • the media interaction between the main conference and the sub-conference and the media interaction between the sub-conferences can also be implemented as follows: Modify the media flow mode between the conference context and the participant context connection endpoint, and the media flow between the endpoints Topological relationships, these two modifications can be modified only one of them, or both.
  • Embodiments of the present invention provide a network system and a multimedia processor.
  • FIG. 13 is a schematic structural diagram of a network system according to an embodiment of the present invention.
  • the network system of the embodiment of the present invention includes a multimedia controller 10 and Multimedia processor 20.
  • the multimedia controller 10 is configured to control the multimedia processor 20 to set a context and an endpoint and connect.
  • the multimedia processor 20 creates a sub-conference context as indicated by the multimedia controller 10, sets a sub-conference proxy endpoint in the sub-conference context, sets a sub-conference connection endpoint in the participant context, and associates the sub-conference connection endpoint with the sub-conference
  • the proxy endpoint performs a connection, and the participant access context is set in the participant context.
  • FIG. 14 is a schematic structural diagram of a multimedia processor according to an embodiment of the present invention.
  • the multimedia processor 20 of the embodiment of the present invention includes a sub-conference creating unit 200, a first processing unit 201, a second processing unit 202, a third processing unit 203, a fourth processing unit 204, and a fifth processing unit. 205.
  • the sub-conference creation unit 200 of the multimedia processor 20 is configured to create a sub-conference context.
  • a first processing unit 201 of the multimedia processor 20 configured to set a sub-conference proxy endpoint in a sub-conference context created by the sub-conference creation unit 200, and set a sub-conference connection endpoint in a participant context, and connect the sub-conference connection endpoint with The sub-conference proxy endpoints are connected, and the participant access context is set in the participant context.
  • the setting the sub-conference connection endpoint in the participant context is specifically: using the idle endpoint in the participant context as the sub-conference connection endpoint, or creating an endpoint as the sub-conference connection endpoint.
  • the second processing unit 202 of the multimedia processor 20 is configured to connect the participant context with the main conference context through the endpoint when the participant is the main conference participant; when the participant is the main conference-independent participant, Before the first processing unit 201 sets the sub-conference connection endpoint for the participant context, a participant context is created for the participant, and the participant access endpoint is created in the participant context.
  • the third processing unit 203 of the multimedia processor 20 is configured to create a participant context for each participant before the first processing unit 201 sets the sub-meeting connection endpoint for the participant context when the primary conference is in the non-detached context mode. Set the participant access endpoint in the context of the participant to establish a connection between the participant context and the main conference context.
  • the context connection is specifically: creating a participant access endpoint and a primary conference connection endpoint in the participant context, and connecting the original participant access endpoint of the primary conference context as the primary conference proxy endpoint to the primary conference connection endpoint of the participant context; or Moving the original participant access endpoint of the primary conference context to the participant context as the participant access endpoint, creating a primary conference connection endpoint in the participant context, and creating a primary conference proxy endpoint in the primary conference context, the primary conference proxy The endpoint is connected to the primary conference connection endpoint of the participant context.
  • the fourth processing unit 204 of the multimedia processor 20 is configured to: when the first processing unit 201 performs related operations, set a media stream mode between the participant context and the conference context connection endpoint according to the media interaction policy or/and set the participant context.
  • the media stream topology relationship between related endpoints in the context of the participant is: setting the topology relationship between the primary conference connection endpoint and the participant access endpoint in the participant context as a one-way relationship or an isolation relationship, Set the topology relationship between the primary conference connection endpoint and the conference connection endpoint in the participant context as an isolation relationship. It should be noted that the settings mentioned here can be directly set or modified.
  • the fifth processing unit 205 of the multimedia processor 20 is configured to: after the fourth processing unit 204 completes the related operation, if the participant leaves the sub-meeting, delete the The related connection of the participant; when the participant is the main conference participant, delete the related connection between the participant and the sub-conference context and restore the connection between the participant and the main conference context.
  • the technical solution of the embodiment of the present invention is: creating a sub-conference context; setting a sub-conference proxy endpoint in the sub-conference context; The party context sets the sub-conference connection endpoint; connects the sub-conference connection endpoint with the sub-conference proxy endpoint; and the participant context is set with the participant access endpoint. Therefore, the primary conference can be implemented according to the technical solution of the embodiment of the present invention, such that the primary conference implemented in the separate context mode or the primary conference implemented in the non-separated context mode enables the participants to participate in the primary conference while participating in the primary conference.
  • the media stream mode between the endpoints, the conference is further "", on the instrument, or the media stream topology relationship between the relevant endpoints in the context of the participant, and only two of these settings can be set. , you can also set it at the same time;
  • the participant may participate in the multiple sub-conferences, and set the media stream mode or the media stream topology relationship according to the specific media interaction requirement.
  • the solution of the embodiment of the present invention is When the participant is a participant, the connection relationship in the conference is retired. If the participant is not involved in the main conference, the relevant connection of the participant is directly deleted.
  • the present invention can be implemented by hardware, or can be implemented by means of software plus necessary general hardware platform, and the technical solution of the present invention. It can be embodied in the form of a software product that can be stored in a non-volatile storage medium (which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.), including a number of instructions for making a computer device (may It is a personal computer, a server, or a network device, etc.) that performs the methods described in various embodiments of the present invention.
  • a non-volatile storage medium which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.
  • a computer device may It is a personal computer, a server, or a network device, etc.

Abstract

Le mode de réalisation de l'invention concerne un procédé pour mettre en œuvre une sous-conférence. Le procédé comprend l'établissement d'un contexte de sous-conférence ; l'intercalation d'un port d'agent de sous-conférence dans ledit contexte de sous-conférence ; l'intercalation d'un port de connexion de sous-conférence dans le contexte de participant ; la connexion dudit port de connexion de sous-conférence audit port d'agent de sous-conférence ; l'intercalation d'un port de connexion de participant dans ledit contexte de participant. En conséquence, l'invention propose un système de réseau, qui comprend un processeur multimédia et un contrôleur multimédia. L'invention concerne aussi un processeur multimédia. L'objet de l'invention permet à chaque participant de participer à une sous-conférence tout en participant à une conférence principale.
PCT/CN2008/072030 2007-08-21 2008-08-18 Procédé, système de réseau et processeur multimédia pour mettre en œuvre une sous-conférence WO2009024078A1 (fr)

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