WO2012089018A1 - Procédé et dispositif de traitement de service de conférence en téléprésence - Google Patents

Procédé et dispositif de traitement de service de conférence en téléprésence Download PDF

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Publication number
WO2012089018A1
WO2012089018A1 PCT/CN2011/083927 CN2011083927W WO2012089018A1 WO 2012089018 A1 WO2012089018 A1 WO 2012089018A1 CN 2011083927 W CN2011083927 W CN 2011083927W WO 2012089018 A1 WO2012089018 A1 WO 2012089018A1
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WO
WIPO (PCT)
Prior art keywords
screen
conference
message
joining
request message
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Application number
PCT/CN2011/083927
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English (en)
Chinese (zh)
Inventor
梁维
林凌
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华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2012089018A1 publication Critical patent/WO2012089018A1/fr

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Classifications

    • 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
    • H04L12/1818—Conference organisation arrangements, e.g. handling schedules, setting up parameters needed by nodes to attend a conference, booking network resources, notifying involved parties

Definitions

  • Remote presentation conference service processing method and device The present application claims the priority of the Chinese application submitted on December 28, 2010, with the application number of 201010623131.7 and the invention name "remote presentation conference service processing method and device," This is incorporated herein by reference.
  • the present invention relates to network communication technologies, and in particular, to a remote presentation conference service processing method and device. Background technique
  • a telepresence terminal includes a plurality of screens, each screen includes at least one to multiple video streams, 0 to multiple voice streams, and even a data stream and a control stream. Therefore, a terminal joining process is required to implement terminal and video exchange.
  • the Multipoint Control Unit establishes the functions of multiple media streams.
  • a telepresence terminal including multiple screens only establishes one session when joining a conference, and then negotiates multiple sub-proxies through a real-time transfer protocol (RTP) I RTP Control Protocol (RTCP). Conversation.
  • RTP real-time transfer protocol
  • RTCP I RTP Control Protocol
  • the embodiments of the present invention provide a remote presentation service processing method and device, which are used to solve the problem that the applicable scope in the prior art is limited and it is difficult to control each screen.
  • An embodiment of the present invention provides a remote presentation conference service processing method, including:
  • An embodiment of the present invention provides a telepresence conference service processing device, including: a relationship;
  • the application resource module is configured to send, according to the binding relationship of the primary and secondary screens, a message for applying for a resource to the MRS, where the message for applying the resource carries information about each screen, so as to establish one for each screen.
  • the embodiment of the present invention can improve the applicable scope by establishing a session for each screen, and the multiple protocols are not required to be negotiated in the established session.
  • a session is established for each screen. Different screens can be distinguished according to the parameters in the session, and each screen can be controlled to solve the problem that the screen cannot be distinguished.
  • FIG. 1 is a schematic flow chart of a method according to a first embodiment of the present invention
  • FIG. 2 is a schematic flow chart of a method according to a second embodiment of the present invention.
  • FIG. 3 is a schematic flow chart of a method according to a third embodiment of the present invention.
  • FIG. 4 is a schematic flow chart of a method according to a fourth embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a method according to a fifth embodiment of the present invention.
  • FIG. 6 is a schematic flow chart of a method according to a sixth embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a device according to a seventh embodiment of the present invention. detailed description
  • FIG. 1 is a schematic flowchart of a method according to a first embodiment of the present invention, including:
  • Step 11 Obtain a primary and secondary screen binding relationship of the telepresence conference terminal that includes at least two screens.
  • Step 12 Send the application to the media resource server (MRS) according to the primary and secondary screen binding relationship.
  • the message of the resource carries the information of each screen in the message for applying the resource, so as to establish a session for joining the telepresence conference for each screen.
  • MRS media resource server
  • a session is established for each screen, and a plurality of sub-sessions are not negotiated in a session established by using a private protocol, which may improve the scope of application; and, in this embodiment, a session is established for each screen.
  • Different screens can be distinguished according to the parameters in the session, and each screen can be controlled to solve the problem that the screens cannot be distinguished.
  • the telepresence terminal may include multiple screens.
  • each telepresence terminal includes three screens, which are: main screen, left auxiliary screen (left), and right auxiliary screen. Screen (right).
  • the MRS is used as a Media Resource Function Controller (MRFC) and a Media Resource Function Processor (MRFP) (abbreviated as MRFC/MRFP).
  • MRFC Media Resource Function Controller
  • MRFP Media Resource Function Processor
  • the MRFC and the MRFP may be two separate network elements, or one network element.
  • FIG. 2 is a schematic flowchart of a method according to a second embodiment of the present invention.
  • a remote presentation terminal dials a conference access number to participate in a conference, and a preset primary and secondary screen binding relationship in the conference server is taken as an example.
  • this embodiment includes:
  • Step 21 The home screen sends a request message for joining the conference to the conference server, where the The conference request message includes the conference access number and the home screen number.
  • the request message for joining the conference is a Session Initiation Protocol (SIP) message, such as:
  • SIP Session Initiation Protocol
  • Step 22 The conference server sends a message for applying for a resource to the MRFC/MRFP according to the preset primary and secondary screen binding relationship, and the message for applying for the resource carries the information of each screen.
  • the conference server sends the following message to the MRFC/MRFP:
  • Step 23 The MRFC/MRFP returns a response message to the conference server.
  • Step 24 The conference server returns a response message to the home screen.
  • Step 25 The main screen sends an acknowledgment message, such as an ACK message, to the conference server.
  • Step 26 The conference server sends an acknowledgement message, such as an ACK message, to the MRFC/MRFP.
  • an acknowledgement message such as an ACK message
  • SDP Session Description Protocol
  • this embodiment is an example in which the primary screen actively requests to join the conference, or the conference server requires the home screen to join the conference.
  • the process of the conference server requesting the home screen to join the conference can be referred to other embodiments below.
  • This embodiment establishes a session for each screen, and does not need to use a proprietary protocol to establish If a plurality of sub-sessions are negotiated in one session, the scope of application can be improved. Moreover, in this embodiment, by establishing a session for each screen, different screens can be distinguished according to parameters in the session, and each screen can be controlled and solved. Can not distinguish between the problems of each screen. In addition, in this embodiment, the primary and secondary screen binding relationships are preset in the conference server, which can reduce the overhead of the message that the home screen interacts with the conference server.
  • the conference server can automatically invite the remote display terminal to register the secondary screen number. See the next embodiment.
  • FIG. 3 is a schematic flowchart of a method according to a third embodiment of the present invention.
  • a conference server is invited to join a conference as an example.
  • this embodiment includes:
  • Step 31 The conference server sends a message to the left auxiliary screen for inviting to join the conference.
  • the message used to invite to join the conference is SIP INVITE (no SDP).
  • Step 32 The left auxiliary screen returns a temporary response message to the conference server.
  • the temporary response message is 100 Trying or 180 Ringing.
  • Step 33 The left auxiliary screen answers automatically or manually.
  • Step 34 The left auxiliary screen sends a response message to the conference server.
  • Step 35 The conference server sends a request message for joining the conference to the MRFC/MRFP, where the message carries the information of the left auxiliary screen.
  • the request message for joining a conference is:
  • Step 36 The MRFC/MRFP sends a response message to the conference server.
  • the message is 200 OK ( SDP answer2 ).
  • Step 37 The conference server sends an acknowledgement message, such as an ACK message, to the MRFC/MRFP.
  • the left auxiliary screen may be invited to invite the right auxiliary screen first, or the right auxiliary screen may be invited to invite the left auxiliary screen first, or, at the same time, Invite left and right auxiliary screens.
  • the MRFP/MRFC determines the main screen and the session corresponding to the auxiliary screen according to the binding relationship between the main and auxiliary screens carried in the main screen, and realizes the successful joining of the auxiliary screen.
  • binding relationship between the primary and secondary screens in the conference server is taken as an example.
  • the binding relationship may also be carried in the message sent by the primary screen to the conference server.
  • FIG. 4 is a schematic flowchart of a method according to a fourth embodiment of the present invention.
  • a telepresence terminal dials a conference access number to participate in a conference, and a message that the main screen sends to the conference server carries a primary and secondary screen binding relationship as an example.
  • this embodiment includes:
  • Step 41 The main screen sends a request message for joining the conference to the conference server, where the request message for joining the conference includes the conference access number, the main screen number, and the binding relationship of the main and auxiliary screens.
  • the request message for joining a conference is:
  • Step 42 The conference server obtains a primary and secondary screen binding relationship from the request message for joining the conference, and sends a message for applying for a resource to the MRFC/MRFP according to the binding relationship of the primary and secondary screens, where the resource is used for applying for a resource.
  • the message carries the information of each screen.
  • the conference server sends the following message to the MRFC/MRFP:
  • Step 43 The MRFC/MRFP returns a response message to the conference server.
  • Step 44 The conference server returns a response message to the home screen.
  • Step 45 The main screen sends an acknowledgment message, such as an ACK message, to the conference server.
  • Step 46 The conference server sends an acknowledgement message, such as an ACK message, to the MRFC/MRFP.
  • an acknowledgement message such as an ACK message
  • a session is established for each screen, and a plurality of sub-sessions are not negotiated in a session established by using a private protocol, which may improve the scope of application; and, in this embodiment, a session is established for each screen.
  • Different screens can be distinguished according to the parameters in the session, and each screen can be controlled to solve the problem that the screens cannot be distinguished.
  • this embodiment does not need to preset the primary and secondary screen binding relationships in the conference server, which can reduce the burden on the conference server.
  • the conference chairperson can invite the telepresence terminal to participate in the conference through terminal conference control, Web Portal conference control, or IVR Portal conference control, and Video Portal conference control.
  • FIG. 5 is a schematic flowchart of a method according to a fifth embodiment of the present invention.
  • a conference server invites a main screen to join a conference as an example.
  • this embodiment includes:
  • Step 51 The conference server sends a message to the home screen for inviting to join the conference.
  • the message to invite to join a meeting is:
  • Step 52 The main screen returns a temporary response message to the conference server.
  • the temporary response message is 100 Trying or 180 Ringing.
  • Step 53 The main screen answers automatically or manually.
  • Step 54 The home screen sends a response message to the conference server, where the response message carries the binding relationship of the primary and secondary screens.
  • the response message is:
  • Step 55 The conference server obtains the primary and secondary screen binding relationship from the response message, and sends a message for applying for the resource to the MRFC/MRFP according to the binding relationship of the primary and secondary screens, where the message for applying for the resource carries each Screen information.
  • the conference server sends the following message to the MRFC/MRFP:
  • the main screen sends the binding relationship between the main and auxiliary screens to the conference server, or the second embodiment is used to preset the binding relationship between the main and auxiliary screens in the conference server, so that the main screen is in the conference.
  • the primary and secondary screen binding relationships need not be carried in the message sent by the server.
  • Step 56 The MRFC/MRFP sends a response message to the conference server.
  • the message is 200 OK ( SDP answer 1 ).
  • Step 57 The conference server sends an acknowledgement message, such as an ACK message, to the MRFC/MRFP.
  • ACK SDP answer l
  • a session is established for each screen, and a plurality of sub-sessions are not negotiated in a session established by using a private protocol, which may improve the scope of application; and, in this embodiment, a session is established for each screen.
  • Different screens can be distinguished according to the parameters in the session, and each screen can be controlled to solve the problem that the screens cannot be distinguished.
  • the conference server actively requests the main screen to participate in the conference, which can improve the pertinence.
  • the embodiment of the present invention is not limited to three screens, and the number of screens of the remote presentation terminal may be greater than or equal to two.
  • the number of telepresence terminal screens is 2N+1 (N > 1)
  • the SIP header field TelePresence-URI and its parameters are extended definitions of the standard SIP header field, specifically:
  • the parameter position is filled in the left, and the parameter index is filled in to indicate which left auxiliary screen parameter is included, for example, including three left auxiliary screens, wherein the index corresponding to the left auxiliary screen adjacent to the main screen is 1
  • the index of the left auxiliary screen in the middle corresponds to 2, and the index of the left left auxiliary screen of the other left is 3.
  • the parameter osition fills in the right
  • the parameter index fills in to indicate which right auxiliary screen parameter is, for example, includes three right auxiliary screens, wherein the right auxiliary screen adjacent to the main screen corresponds to The index is 1, the index corresponding to the right right auxiliary screen is 2, and the index of the rightmost right auxiliary screen is 3.
  • the present invention is not limited to odd screens. For even screens, one of them can be designated as the main screen, and the other auxiliary screens can be distinguished by different "index".
  • the MRS can control each screen according to the SIP session with the conference server.
  • FIG. 6 is a schematic flowchart of a method according to a sixth embodiment of the present invention, where the present embodiment controls remote presentation
  • the single screen of the terminal is an example. Referring to FIG. 6, this embodiment includes:
  • Step 61 The conference server establishes a SIP session with the MRFC/MRFP.
  • the SIP signaling exchanged between the conference server and the MRFC/MRFP such as SIP INVITE, 200 OK, etc., may constitute a SIP dialog. Therefore, through the above process, a SIP session can be established for each screen.
  • Step 62 When a certain screen needs to be controlled, the conference server sends a message for control to the MRFC/MRFP, where the message for control carries the identifier of the screen to be controlled, and the identifier of the screen to be controlled carries In the toTag parameter of the SIP session.
  • the telepresence terminal TP-1 has three screens, and the corresponding identifiers are: TP—1—M,
  • the telepresence terminal TP-2 contains 3 screens, and the corresponding identifiers are: TP—2—M, TP—2—L, TP—2—R, need to control TP — 1 — M Select TP — 2 — L .
  • the MRFC/MRFP may send a SIP INFO message to the conference server, where the toTag parameter of the SIP INFO message carries TP-1-M and TP-2-L.
  • MSML body carried by SIP INFO is as follows:
  • Step 63 The MRFC/MRFP controls the screen to be controlled according to the message for control.
  • the input media stream corresponding to the TP-2-L screen is output to the TP-1-M screen for playback.
  • a SIP session is established corresponding to each screen, and the parameter of the SIP session can be used to carry the control of each screen of the remote presentation terminal.
  • FIG. 7 is a schematic structural diagram of a device according to a seventh embodiment of the present invention, including a binding relationship between an obtaining module 71 and a requesting auxiliary screen; the application resource module 72 is configured to send, according to the binding relationship of the primary and secondary screens, an application resource for the MRS.
  • the message for applying for the resource carries the information of each screen, so as to establish a session for joining the telepresence conference for each screen.
  • the embodiment may further include: a main screen adding module 73, configured to receive a success response message returned by the MRS after allocating resources for each screen, and forward the success response message to a main screen of the telepresence conference terminal;
  • the confirmation message returned by the home screen forwards the confirmation message to the MRS to implement successful joining of the home screen.
  • the embodiment may further include a secondary screen adding module 74, configured to send, according to the binding relationship of the primary and secondary screens, a request message for inviting to join the conference to the secondary screen bound to the primary screen; After the success response message returned by the screen, the MRS sends a request message for joining the conference, and the request message for joining the conference carries the information of the auxiliary screen to implement the successful joining of the secondary screen.
  • a secondary screen adding module 74 configured to send, according to the binding relationship of the primary and secondary screens, a request message for inviting to join the conference to the secondary screen bound to the primary screen; After the success response message returned by the screen, the MRS sends a request message for joining the conference, and the request message for joining the conference carries the information of the auxiliary screen to implement the successful joining of the secondary screen.
  • the obtaining module 71 may be configured to receive a request message for joining the conference sent by the home screen, and obtain a preset primary/secondary screen binding relationship after receiving the request message for joining the conference; or, receiving the primary screen to send The request message for joining the conference, the request message for joining the conference carries the primary and secondary screen binding relationships.
  • the obtaining module 71 is specifically configured to receive a request message for joining the conference that is actively sent by the main screen, or send a request message for inviting to join the conference to the home screen, and receive the The request sent to join the conference sent after joining the request message of the conference is eliminated.
  • the embodiment may further include: a control module 75, configured to send, by using a SIP session corresponding to each screen, a message for control to the MRS, where the message for control carries an identifier of the screen to be controlled, The identifier of the screen to be controlled is carried in the toTag parameter of the SIP session, so that the MRS controls the screen to be controlled according to the message for control.
  • a control module 75 configured to send, by using a SIP session corresponding to each screen, a message for control to the MRS, where the message for control carries an identifier of the screen to be controlled, The identifier of the screen to be controlled is carried in the toTag parameter of the SIP session, so that the MRS controls the screen to be controlled according to the message for control.
  • This embodiment establishes a session for each screen, and does not need to use a proprietary protocol to establish If a plurality of sub-sessions are negotiated in one session, the scope of application can be improved. Moreover, in the embodiment of the present invention, by establishing a session for each screen, different screens can be distinguished according to parameters in the session, and each screen is controlled. Solve the problem of not being able to distinguish between the various screens.
  • the foregoing program may be stored in a computer readable storage medium, and when executed, the program includes The foregoing steps of the method embodiment; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

La présente invention porte sur un procédé et un dispositif de traitement d'un service de conférence en téléprésence. Le procédé consiste à : acquérir une relation d'association d'un écran principal et d'un écran secondaire d'un terminal de conférence en téléprésence comprenant au moins deux écrans; et conformément à la relation d'association de l'écran principal et de l'écran secondaire, envoyer un message de demande de ressources à un MRS, le message de demande de ressources contenant des informations de chaque écran, de manière à ce qu'une session utilisée pour se joindre à la conférence en téléprésence soit établie respectivement en correspondance avec chaque écran. Le mode de réalisation de la présente invention peut améliorer la plage d'application et distinguer chaque écran.
PCT/CN2011/083927 2010-12-28 2011-12-14 Procédé et dispositif de traitement de service de conférence en téléprésence WO2012089018A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010623131.7 2010-12-28
CN 201010623131 CN102082675B (zh) 2010-12-28 2010-12-28 远程呈现会议业务处理方法及设备

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CN102082675B (zh) * 2010-12-28 2013-11-06 华为技术有限公司 远程呈现会议业务处理方法及设备
US9635072B1 (en) * 2016-11-02 2017-04-25 Veeva Systems Inc. System and method for remote presentation

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CN101123702A (zh) * 2006-08-10 2008-02-13 三星电子株式会社 图像显示设备及其控制方法
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CN101123702A (zh) * 2006-08-10 2008-02-13 三星电子株式会社 图像显示设备及其控制方法
CN102082675A (zh) * 2010-12-28 2011-06-01 华为技术有限公司 远程呈现会议业务处理方法及设备

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