CN1870746A - Method and system for real-time convening video-conference conference - Google Patents
Method and system for real-time convening video-conference conference Download PDFInfo
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- CN1870746A CN1870746A CN 200510125781 CN200510125781A CN1870746A CN 1870746 A CN1870746 A CN 1870746A CN 200510125781 CN200510125781 CN 200510125781 CN 200510125781 A CN200510125781 A CN 200510125781A CN 1870746 A CN1870746 A CN 1870746A
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Abstract
This invention puts forward a method and a system for holding network conferences timely, in which, said system includes a video terminal, a communication channel, a service control unit and a conference control unit, in which, the network terminal starts up a conference request and sends the conference information necessary for holding the meeting to the service control unit, which sends data and parameters related to the meeting to the conference control unit based on the received conference information, the conference control unit distributes resources based on the received data and parameters to call all parties in the conference. According to the invented method, terminal users can define conference parameters freely and not necessary to reserve to the management unit of the conference control unit and hold the meeting at once after deciding to hold the meeting.
Description
Technical field
The present invention relates to the method and system of multi-media communication technical field, particularly a kind of real-time convening video-conference conference.
Background technology
Videoconferencing service is the multimedia service that informixs such as voice, image, data is carried out together long-distance transmissions.Videoconferencing service makes people at the sound that carries out both can having heard when the strange land exchanges the other side, can see the other side's image again, strengthens the sense of reality, cordial feeling and the telepresenc that exchange.Videoconferencing service can be used for fields such as military affairs, politics, economy, education, health, gives full play to true, efficient, real-time advantage, and means such as simple and effective communication, management, Coordination Decision are provided for people.
TV conference service is a kind of in the videoconferencing service, is to utilize TV tech and equipment by transmission channel, makes can add in many ways in the same calling, realizes some communication function of multiple spot.As shown in Figure 1, video communication service system generally is made up of video terminal, transmission channel, multipoint control unit several parts such as (MCU).The effect of video terminal is that the live picture intelligence of a certain meeting point, voice signal and relevant data-signal are gathered, compressed encoding, are sent to transmission channel after multiplexed; Simultaneously the videoconferencing service signal that receives is classified, decoded, be reduced into the image, voice and the data-signal that receive the meeting-place.Video terminal also will be sent to MCU with the meeting control signal (as request floor, application ownership etc.) of this point, also needs to carry out the control command of MCU to this point simultaneously, carries out capabilities exchange and mode switch with MCU.Capabilities exchange is meant that communicating pair exchanges the process of the own professional ability of being supported mutually.Transmission channel can be modes such as optical fiber, cable, microwave or satellite physically.The communication network that videoconferencing service is commonly used has: public switched telephone network (PSTN), public packet switching network (PSPDN), Digital Data Net (DDN), Integrated Service Digital Network, IP network and IQ net.MCU is the control core of video communication service system.When the terminal quantity that participates in a conference more than 2 the time, must control through MCU.All terminals all will be connected to conference control unit by standard interface, and H.221, H.242, H.243, T.120 MCU waits exchange that agreement regulation realizes image and voice and mix according to international standard, realizes the correlation functions such as control in all meeting-place.
Videoconferencing service implementation of the prior art is, before convening video-conference conference, need be all meeting-place Resources allocation in advance on MCU, promptly when wanting holding video conference, definition meeting-place and meeting on MCU earlier, by the MCU port operation meeting, distribute corresponding resource, the words that resource satisfies are held a meeting again.
This mode obviously can not satisfy the needs of publicization videoconferencing operation, has following shortcoming: at first from operator's angle, operator need arrange the special messenger to control MCU, meeting in the conference setup and meeting-place, control meeting, this just makes that the utilization ratio of videoconferencing service network is very low, the profitability of having limited to video communication service system greatly; Next is from user's angle, the user need make a phone call or arrive the preset conference of videoconferencing service business office in person, notify MCU operator to hold a meeting by the shop assistant again at preset time, unusual trouble and can not be as common real-time the carrying out of making a phone call, and the user feels that generally the level security of this mode is poor.
Summary of the invention
In view of this, the objective of the invention is to, propose a kind of method of real-time convening video-conference conference, can real-time convening video-conference conference, thereby be more suitable for the publicization operation of TV conference service with respect to prior art.This method comprises the steps:
A, caller video terminal are initiated conference request to Service Control Unit, comprise the needed conferencing information of holding a meeting in this request message;
B, Service Control Unit issue meeting relevant data and parameter according to the described conferencing information that receives to conference control unit;
C, conference control unit convene each participant side to participate in a conference according to data and the parameter allocation of conference resources received.
Preferably, after the steps A, can further include:
A1, Service Control Unit return response message to conference request to the caller video terminal;
After A2, Service Control Unit carry out respective handling to request for conference, send the operating result and the business evolve of holding a meeting to the caller video terminal;
In the above method, video terminal is directly to link to each other with Service Control Unit, in the network of reality connects, can also connect by the webserver between the two, and then steps A is:
The caller video terminal sends the conference request that includes the required conferencing information of holding a meeting to the webserver, and the meeting request message is sent to Service Control Unit to the webserver or GC group connector is initiated request for conference to Service Control Unit.
Under this kind connected mode, steps A 1 is:
The webserver is sent to the caller video terminal with the response message to conference request that Service Control Unit returns;
Steps A 2 is: the webserver is sent to the caller video terminal with operating result of holding a meeting and the business evolve that Service Control Unit returns.
Preferably, steps A 1 can also be returned response message to conference request to the caller video terminal for: the webserver.
After step C, promptly carry out in the process at video conference, if the convention business state changes, then further comprise:
D, conference control unit carry out the operation relevant with this convention business state variation, and with the advisory Service Control Unit of convention business state variation.
If described convention business state variation is to have new video terminal to add meeting, then described step D is:
Conference control unit is assembled the required equipment and for application adds the required resource of terminal distribution meeting of meeting of holding a meeting, and sends invitation to this terminal; After the terminal of waiting to apply for to add meeting is accepted invitation, the result notification Service Control Unit of joining meeting to terminal will be arranged;
Perhaps, Service Control Unit pass through with the interface of conference control unit for adding the required resource of terminal distribution meeting of meeting, and send invitation to this terminal the user added meeting.
After step C, promptly carry out in the process at video conference, if the convention business state changes, then can further include:
E, Service Control Unit change up-to-date service condition or the data in back with business and send to video terminal.
If described convention business state variation is to have new video terminal to add meeting, then described step e is: the essential information that Service Control Unit notifies each participant terminal joining meeting to terminal to be arranged and should newly add terminal.
Convene mode that each participant side participates in a conference to make a call, parallelly to make a call and part parallel part serial mode makes a call to terminal to terminal described in the step C for serial to terminal.
Another object of the present invention is to, a kind of system that is used to hold the real-time video signal meeting is proposed, comprise video terminal, conference control unit and Service Control Unit, before wherein the function of video terminal is included in and holds a meeting, define the essential information of this meeting, these essential informations comprise at least: the participant of meeting, the service attribute of meeting.Service Control Unit is used to receive the customer service request from video terminal, and according to service request call with conference control unit between interface issue relevant data of meeting and parameter etc. to conference control unit; The request that conference control unit is used to receive Service Control Unit is assembled and is held a meeting required equipment and distribute the required communication bandwidth of meeting and the participant customer call is joined.Service Control Unit and conference control unit are integrated in the same equipment, as two functional modules of this equipment.
Information interaction between described Service Control Unit and the video terminal can adopt Session Initiation Protocol to carry, and the information interaction between conference control unit and the video terminal can adopt Session Initiation Protocol to carry.
Information interaction between described Service Control Unit and the conference control unit can adopt the meeting control protocol to carry.
The function of described Service Control Unit further is included in service condition and returns up-to-date service condition or data to the user when changing; The function of conference control unit further is included in carries out relevant treatment when conference status changes, and with meeting state variation advisory Service Control Unit.
This system also may further comprise the webserver, connects video terminal and Service Control Unit, is used to transmit the information between video terminal and the Service Control Unit.
The function of the described webserver further comprises: replace Service Control Unit to return response message to video terminal.
Information between the described webserver and the video terminal can be carried by Session Initiation Protocol, and the information between the webserver and the Service Control Unit can be by H.323 agreement carrying.
From above scheme as can be seen; the present invention is born the function of meeting definition by video terminal; the conferencing information that defines is sent to Service Control Unit; Service Control Unit issues meeting relevant parameter and data according to conferencing information to conference control unit; by the conference control unit allocation of conference resources, and convene the affiliation of participant side.According to the present invention program, the customization function of meeting is finished by the calling terminal of initiating meeting, so conference control unit only need realize holding a meeting according to conference parameters and data, can finish automatically and need not the special messenger guard.So the present invention program can realize real-time convening video-conference conference, have great convenience for the user and operator.And the present invention program is based on session initiation protocol SIP and designs, the simple and flexible that therefore has Session Initiation Protocol and had, and favorable expandability with the compact characteristics in existing the Internet, therefore has boundless application prospect in next generation network.
Description of drawings
Fig. 1 is the connection diagram of a kind of video conference of prior art;
Fig. 2 is a video conference network connection diagram of the present invention;
Fig. 3 holds the workflow diagram of real-time video signal meeting for the present invention;
The workflow diagram of Fig. 4 for there being terminal to add in the real-time video signal conference process of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with specific embodiment.
Session initiation protocol (Session Initiation Protocol, SIP) be application controls (signaling) agreement that realizes real time communication that put forward in 1999 by internet task group (IETF), the Multimedia session process that it can be used to create, revise and a plurality of participants that terminate participate in.And so-called session (Session) just is meant the exchanges data between the user.With real time communication application controls (signaling) agreement that early occurs H.323 agreement compare, Session Initiation Protocol is simple more, autgmentability is better and existing Internet is used closelyr, the field of application is more extensive.Therefore SIP has boundless development prospect in next generation network (NGN).
The internetwork connection mode of video conference of the present invention has been shown among Fig. 2, and this system comprises several parts of video terminal, transmission channel, conference control unit and Service Control Unit.
The function of video terminal except foregoing function, also further be included in hold a meeting before, define the essential information of this meeting, these essential informations comprise at least: the participant of meeting, the service attribute of meeting.
Service Control Unit is used to receive the service request of holding a meeting from video terminal, and according to service request call in due course with conference control unit between interface issue relevant data of meeting and parameter etc. to conference control unit; Ask the back to be operated and in time to the user feedback operating result obtaining the user according to user's request; When changing, service condition returns up-to-date service condition or data to the user.Use Session Initiation Protocol between Service Control Unit and the video terminal, and use the meeting control protocol between the conference control unit.
Conference control unit is used to receive the request of Service Control Unit, assembles the required resource and with participant customer call affiliation of holding a meeting, and described resource comprises holds a meeting required conference server device and distribute the required communication bandwidth of meeting; When changing, conference status carries out relevant treatment, and with meeting state variation advisory Service Control Unit.Conference control unit uses the information interaction between Session Initiation Protocol carrying and the video terminal, and adopts the meeting control protocol to realize the transmission etc. of conference parameters between the Service Control Unit.
Service Control Unit can be regarded as the management equipment of conference control unit, so Service Control Unit and conference control unit can be integrated in the same equipment, as two functional modules of this equipment.
The present invention program can be applied to have in the video communication service system of this internetwork connection mode, but is not limited only to this, and the present invention can also be applied in the video communication service system of other internetwork connection modes, and internetwork connection mode shown in Figure 2 is only given an example as a kind of
Be the flow process of the process of holding of a typical tripartite immediate meeting among the present invention program shown in Fig. 3, specifically comprise the steps:
Step 303: Service Control Unit is finished and is returned the operating result and the business evolve situation of holding a meeting to terminal 1 after meeting is handled;
Step 304: Service Control Unit is to the conference control unit request of making a call, the notification of meetings control unit is called a meeting, comprised contact method and this conference type of participant side in this call request, in the present embodiment, there are terminal 1, terminal 2 and terminal 3 in participant side;
So far meeting preparation is finished, and the required multimedia passage of meeting is set up, can hold a meeting.
The hypothesis conference control unit directly makes a call to each participant terminal in the above-mentioned flow process, but also can call out each participant terminal by the soft switch mode in the network in the practical application.This flow process is just listed as example, does not limit to conference control unit and must adopt this kind implementation.
The hypothesis conference control unit makes a call to each participant terminal simultaneously in the above-mentioned flow process, but conference control unit can make a call to terminal in different ways according to configuration mode in the practical application, and for example serial makes a call, parallel making a call and part parallel part serial mode etc.This flow process is just listed as example, does not limit to conference control unit and must adopt this kind implementation.
Hypothesis is initiated the conference participation of terminal of SiteCall business own in the above-mentioned flow process, but also conference participation not of the terminal of initiating the SiteCall business in the practical application.This flow process is just listed as example, does not limit to the participant that the meeting promoter must be meeting.
Use INFO to carry request for conference information in the above-mentioned flow process, but be not limited only to this, can also use in the Session Initiation Protocol other requests/response messages processes to carry conferencing information.
In the process that video conference carries out, if the service condition of this meeting changes, withdraw from meeting or have demanding terminal to add meeting as the participant demanding terminal, to carry out associative operation and informing business control unit by conference control unit, notify the terminal use by Service Control Unit with the information that business changes again.Figure 4 shows that at video conference and hold in the process have demanding terminal to add the workflow of meeting, wherein terminal 1 is a calling terminal, and terminal 4 is for requiring to add the terminal of meeting, and other participant terminals are not drawn in the drawings.Comprise the steps:
Step 401～402: terminal 4 is sent the request that adds video conference to conference control unit, after conference control unit is received this request, sends 200 response messages to terminal 4 at once.
Step 403～405: conference control unit sends the request message of joining meeting to terminal to Service Control Unit, Service Control Unit sends to calling terminal with this request message, after calling terminal is received this request message, send 200 response messages to Service Control Unit at once.
Step 406～407: the user of calling terminal agrees that terminal 4 adds meeting, and calling terminal sends to Service Control Unit and allows terminal 4 to add the message of meeting, and Service Control Unit should allow message to be sent to conference control unit.
Step 408～409: conference control unit is assembled and is held a meeting required equipment and be the required communication bandwidth of terminal 4 distribution meetings, and sends invitation to terminal 4, and terminal 4 is sent 100 response messages to conference control unit at once.
Step 410～411: the user of terminal 4 adheres to meeting, and terminal 4 is accepted invitation, and conference control unit returns 200 response messages to terminal 4 at once.
Step 412: conference control unit sends terminal 4 added message to Service Control Unit.
Step 413: Service Control Unit adds terminal 4 other all participant terminals of message informing of this meeting.
Below only having lifted has terminal to add fashionable workflow in the conference process.Other are in the video conference process, the situation that service condition changes, withdraw from meeting if any demanding terminal, also can be according to carry out associative operation and informing business control unit by conference control unit, notify terminal use's principle to provide concrete workflow the information that business changes by Service Control Unit again, so locate not give unnecessary details one by one.
Direct and the Service Control Unit intercommunication of hypothesis terminal in above-mentioned two workflows, be that terminal is directly to the Service Control Unit initial request messages, but terminal is subjected to the management of other webservers (such as Softswitch) usually in the reality, and above-mentioned two workflows only are for convenience of description and a kind of simplified way that adopts.The intercommunication that realizes terminal and Service Control Unit in the practical application also has following dual mode:
The webserver is responsible for will coming from the forwards of video terminal or Service Control Unit to Service Control Unit or video terminal as the message transmitter between video terminal and the Service Control Unit;
Video terminal is initiated request for conference to the webserver, the webserver returns 200 response messages to terminal, the webserver is initiated request for conference to Service Control Unit more then, and terminal to network server and the webserver are to adopting different agreements between the Service Control Unit, for example one section is Session Initiation Protocol, one section is agreement etc. H.323, so that more help and prior art scheme compatibility.When terminal to network server and the webserver adopted different agreements between Service Control Unit, the webserver needed GC group connector to initiate request for conference to Service Control Unit after receiving initiation request for conference from video terminal.
By the method that the present invention proposes, the terminal use is free to the conference setup parameter, does not need management organization (as the telecom operators) reservation to conference control unit; The user can hold a meeting after the customization meeting immediately.Therefore by realizing the business of the present invention's definition, can improve the utilization ratio of videoconferencing service network effectively, strengthen the profitability of video communication service system greatly.And the present invention program's application is based on Session Initiation Protocol, has therefore inherited the simple and flexible of Session Initiation Protocol, and favorable expandability with the compact characteristics in existing internet, has good application prospects.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1, a kind of method of real-time convening video-conference conference is characterized in that, this method comprises the steps:
A, caller video terminal are initiated conference request to Service Control Unit, comprise the needed conferencing information of holding a meeting in this request message;
B, Service Control Unit issue meeting relevant data and parameter according to the described conferencing information that receives to conference control unit;
C, conference control unit convene each participant side to participate in a conference according to data and the parameter allocation of conference resources received.
2, method according to claim 1 is characterized in that, after the steps A, further comprises:
A1, Service Control Unit return response message to conference request to the caller video terminal;
After A2, Service Control Unit carry out respective handling to request for conference, send the operating result and the business evolve of holding a meeting to the caller video terminal;
3, method according to claim 2 is characterized in that, steps A is:
The caller video terminal sends the conference request that includes the required conferencing information of holding a meeting to the webserver, and the meeting request message is sent to Service Control Unit to the webserver or GC group connector is initiated request for conference to Service Control Unit.
4, method according to claim 3 is characterized in that, steps A 1 is:
The webserver is sent to the caller video terminal with the response message to conference request that Service Control Unit returns;
Steps A 2 is: the webserver is sent to the caller video terminal with operating result of holding a meeting and the business evolve that Service Control Unit returns.
5, method according to claim 4 is characterized in that, steps A 1 is: the webserver returns response message to conference request to the caller video terminal
6, method according to claim 1 is characterized in that, after step C, promptly carries out in the process at video conference, if the convention business state changes, then further comprises:
D, conference control unit carry out the operation relevant with this convention business state variation, and with the advisory Service Control Unit of convention business state variation.
7, method according to claim 6 is characterized in that, described convention business state variation is to have new video terminal to add meeting, and then described step D is:
Conference control unit is assembled the required equipment and for application adds the required resource of terminal distribution meeting of meeting of holding a meeting, and sends invitation to this terminal; After the terminal of waiting to apply for to add meeting is accepted invitation, the result notification Service Control Unit of joining meeting to terminal will be arranged;
Perhaps, Service Control Unit pass through with the interface of conference control unit for adding the required resource of terminal distribution meeting of meeting, and send invitation to this terminal the user added meeting.
8, according to claim 1 or 6 described methods, it is characterized in that, after step C, promptly carry out in the process,, then further comprise if the convention business state changes at video conference:
E, Service Control Unit change up-to-date service condition or the data in back with business and send to video terminal.
9, method according to claim 8, it is characterized in that, described convention business state variation is to have new video terminal to add meeting, and then described step e is: the essential information that Service Control Unit notifies each participant terminal joining meeting to terminal to be arranged and should newly add terminal.
10, method according to claim 1, it is characterized in that, convene mode that each participant side participates in a conference to make a call, parallelly to make a call and part parallel part serial mode makes a call to terminal to terminal described in the step C for serial to terminal.
11, a kind of system that is used for real-time convening video-conference conference comprises video terminal, it is characterized in that, also comprises conference control unit and Service Control Unit, wherein
Before the function of video terminal is included in and holds a meeting, define the essential information of this meeting, these essential informations comprise at least: the participant of meeting, the service attribute of meeting;
Service Control Unit is used to receive the service request of holding a meeting from video terminal, and according to service request call with conference control unit between interface issue relevant data of meeting and parameter etc. to conference control unit;
The request that conference control unit is used to receive Service Control Unit is assembled and is held a meeting required equipment and distribute the required resource of meeting and the participant customer call is joined.
12, system according to claim 11 is characterized in that, the information interaction between described Service Control Unit and the video terminal adopts Session Initiation Protocol to carry, and the information interaction between conference control unit and the video terminal adopts Session Initiation Protocol to carry.
According to claim 11 or 12 described systems, it is characterized in that 13, the information interaction between described Service Control Unit and the conference control unit adopts the meeting control protocol to carry.
14, system according to claim 11 is characterized in that, the function of described Service Control Unit further is included in service condition and returns up-to-date service condition or data to the user when changing; The function of conference control unit further is included in carries out relevant treatment when conference status changes, and with meeting state variation advisory Service Control Unit.
15, system according to claim 11 is characterized in that, also comprises the webserver, connects video terminal and Service Control Unit, is used to transmit the information between video terminal and the Service Control Unit.
16, system according to claim 15 is characterized in that, the function of the described webserver further comprises: return response message to video terminal.
17, system according to claim 15 is characterized in that, the information between the described webserver and the video terminal is carried by Session Initiation Protocol, and the information between the webserver and the Service Control Unit is by H.323 agreement or Session Initiation Protocol carrying.
18, system according to claim 11 is characterized in that, Service Control Unit and conference control unit are integrated in the same equipment, as two functional modules of this equipment.
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| CN 200510125781 CN1870746A (en) | 2005-12-01 | 2005-12-01 | Method and system for real-time convening video-conference conference |
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| CN 200510125781 CN1870746A (en) | 2005-12-01 | 2005-12-01 | Method and system for real-time convening video-conference conference |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009018773A1 (en) * | 2007-08-09 | 2009-02-12 | Huawei Technologies Co., Ltd. | A method, system and device for transporting the binary floor control protocol message |
| CN101257395B (en) * | 2007-02-27 | 2010-12-08 | 中国移动通信集团公司 | System and method for supporting multimedia conference booking |
| CN101170429B (en) * | 2007-11-22 | 2011-10-26 | 中兴通讯股份有限公司 | Method for improving IP terminal call rate |
| CN102404541A (en) * | 2010-09-10 | 2012-04-04 | 中华电信股份有限公司 | Intelligent type video conference starting method |
| CN108989735A (en) * | 2017-05-31 | 2018-12-11 | 中兴通讯股份有限公司 | Method, apparatus, system and storage medium are held in a kind of video conference |
| CN109495709A (en) * | 2018-10-16 | 2019-03-19 | 视联动力信息技术股份有限公司 | A kind of view networking management system and method |
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2005
- 2005-12-01 CN CN 200510125781 patent/CN1870746A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257395B (en) * | 2007-02-27 | 2010-12-08 | 中国移动通信集团公司 | System and method for supporting multimedia conference booking |
| WO2009018773A1 (en) * | 2007-08-09 | 2009-02-12 | Huawei Technologies Co., Ltd. | A method, system and device for transporting the binary floor control protocol message |
| CN101170429B (en) * | 2007-11-22 | 2011-10-26 | 中兴通讯股份有限公司 | Method for improving IP terminal call rate |
| CN102404541A (en) * | 2010-09-10 | 2012-04-04 | 中华电信股份有限公司 | Intelligent type video conference starting method |
| CN108989735A (en) * | 2017-05-31 | 2018-12-11 | 中兴通讯股份有限公司 | Method, apparatus, system and storage medium are held in a kind of video conference |
| CN109495709A (en) * | 2018-10-16 | 2019-03-19 | 视联动力信息技术股份有限公司 | A kind of view networking management system and method |
| CN109495709B (en) * | 2018-10-16 | 2020-05-26 | 视联动力信息技术股份有限公司 | Video network management system and method |
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Application publication date: 20061129 |