CN101136761B - Method for deleting conference media types in multimedia types conference - Google Patents
Method for deleting conference media types in multimedia types conference Download PDFInfo
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- CN101136761B CN101136761B CN2007101635191A CN200710163519A CN101136761B CN 101136761 B CN101136761 B CN 101136761B CN 2007101635191 A CN2007101635191 A CN 2007101635191A CN 200710163519 A CN200710163519 A CN 200710163519A CN 101136761 B CN101136761 B CN 101136761B
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Abstract
The method includes following steps: (1) after creating meeting place of multimedia type meeting, meeting main control terminal sends out message of deleting a type of meeting media to meeting application server (MAS); (2) MAS sends the message of deleting a type of meeting media to the media resource server (MRS) related to the corresponding type of medium in order to inform the MRS to closedown corresponding medium channel; (3) after closing down corresponding medium channel, the corresponding MRS informs MAS; (4) MAS sends the successful message of deleting corresponding MRS to meeting main control terminal.
Description
Technical field
The present invention relates to communication technical field, the method for deletion conference media type in particularly a kind of meeting of multimedia type.
Background technology
Along with voice conferencing, video conference business are constantly popularized, at next-generation communication network (NextGeneration Network, NGN) or IP Multimedia System (IP Multimedia Subsystem IMS) in the network, has derived the convention business of multiple medium type coexistence.The meeting of multiple medium type can be a kind of meeting that collects professional unification such as audio frequency, video, data.The meeting of multiple medium type is to pass through Media Resource Server (Media Resource Server MRS) mixes media information back output and realizes.
At present, the MRS that uses in the meeting of multimedia type generally only supports single medium type.In a meeting that multiple medium type arranged simultaneously, by conference applications server (ConferenceApplication Server, ConfAS) the various medium type that a plurality of terminals are needed, be distributed on the corresponding M RS, the medium type that all terminals are needed gathers then, sets up corresponding media channel with terminal.
After the meeting of having held multiple medium type coexistence, often have the demand of a certain medium type of deletion.For example, hold multimedia conferencing, meeting provides multiple medium types such as audio frequency and video, and meeting this moment effector need close video capability, keeps other media functions, at present, does not delete the method for a certain medium type in the meeting of multiple medium type.
Summary of the invention
The objective of the invention is to, the method for deleting conference media type in a kind of meeting of multimedia type is provided, can in the meeting of multiple medium type, delete a certain medium type.
The method of deletion conference media type comprises the following steps: in the meeting of multimedia type of the present invention
Steps A: after creating the meeting-place of multimedia type meeting, the meeting main control terminal is initiated the message of certain conference media type of deletion to the conference applications server;
Step B: the conference applications server is sent to the Media Resource Server of representing the respective media type with the message of described deletion conference media type, closes corresponding media channel to notify it;
Step C: after relative medium resource server has been closed media channel, the notification of meetings application server;
Step D: the message that the conference applications server will be deleted the relative medium resource server success is sent to described meeting main control terminal.
Wherein, in described steps A, delete the media information that comprises certain conference media type of expression deletion in the message of certain conference media type.
Wherein, in described step D, the message that described conference applications server will be deleted the relative medium resource server success is sent to after the described meeting main control terminal, may further include the following step: described meeting main control terminal is preserved remaining medium type, current media information is updated to the media information of having deleted behind the described medium type.
Wherein, after carrying out described step D, may further include the following step:
Step e: described conference applications server sends the message of described deletion conference media type to the meeting member, and notice has been deleted certain conference media type, requires all conference members to close the media channel of deleted certain conference media type correspondence;
Step F: described conference member is updated to media information after the deletion with the media information of original medium type, and its current media information is sent to described conference applications server;
Step G: the media information of described conference applications server after with the meeting member deletion is sent to relative medium resource server, to close media channel deleted in all conference members.
In addition, adopt the conversation initialized protocol of standard to carry out data interaction between described conference applications server and the Media Resource Server.
In addition, adopt RTP to carry out data interaction between described Media Resource Server and the conference terminal.
The invention has the beneficial effects as follows: according to the method for deletion conference media type in the meeting of multimedia type of the present invention, initiate the message of certain conference media type of deletion to the conference applications server by the meeting main control terminal, the message that the conference applications server will be deleted certain conference media type is sent to the MRS that represents the respective media type, notifying it to close corresponding media channel, thereby realized a certain medium type of deletion in the meeting of multiple medium type.
Description of drawings
Fig. 1 is the system configuration schematic diagram of multimedia conferencing;
Fig. 2 is the method flow diagram of deletion conference media type in the meeting of multimedia type of the present invention.
Embodiment
Below, describe the method for deleting conference media type in the meeting of multimedia type of the present invention in detail with reference to figure 1～2.
Fig. 1 is the system configuration schematic diagram of multimedia conferencing.As shown in Figure 1, this system comprises: subscriber terminal equipment UE, proxy CSCF (P-CSCF), Interrogating CSCF (I-CSCF), serving CSCF (S-CSCF), HSS, conference applications server (Conf AS), Media Resource Server MRS.Wherein, suppose calling subscriber and called subscriber belong to same home subscriber server (Home Subscriber Server, HSS) and service call conversation control function (S-CSCF).On communication connects, pass through transmission control protocol (Transport Control Protocol between each network element, TCP)/IP network is continuous, adopt conversation initialized protocol (Session Initiation Protocol between UE and the P-CSCF, SIP) carry out alternately, P-CSCF, adopt Session Initiation Protocol to carry out alternately between three network elements of I-CSCF and S-CSCF, I-CSCF, adopt Diameter to carry out alternately between two network elements of S-CSCF and the HSS, adopt Session Initiation Protocol to carry out alternately between S-CSCF and the conference applications server ConfAS, adopt Session Initiation Protocol to carry out alternately between ConfAS and the MRS, adopt between MRS and the terminal UE RTP (Real-time Transport Protocol, RTP), http agreements etc. are mutual.
Because multimedia conferencing comprises multiple medium type, every kind of medium type is generally finished audio mixing by different MRS respectively.Three MRS shown in Fig. 1 support different separately medium types respectively.
Fig. 2 is the method flow diagram of deletion conference media type in the meeting of multimedia type of the present invention.Because the Signalling exchange of IMS core network part is a prior art, the present invention is not described in detail, below, focus on the Signalling exchange of describing the multimedia conference service side.
As shown in Figure 2, this method comprises the following steps:
Step 100: after creating the meeting-place of multimedia type meeting, meeting main control terminal (terminal of promptly representing the chairman) sends the request message of certain conference media type of deletion to the conference applications server;
Wherein, in step 100, the request message of deleting certain conference media type is a re-invite message, the meeting that comprises certain conference media type of expression deletion in this message describe agreement (Session DescriptionProtocol, SDP).
The message that step 200:Conf AS will delete certain conference media type is sent to the MRS that represents the respective media type, closes corresponding media channel to notify it;
Step 300: after corresponding M RS has closed media channel, notice ConfAS;
The message that step 400:ConfAS will delete this MRS success is sent to the meeting main control terminal, and the meeting main control terminal is preserved remaining medium type, current media information is updated to the media information after the deletion.
Based on as mentioned above, be the process of chairman to a certain medium type of deletion of ConfAS initiation, for (other terminal in this meeting-place except that the expression chairman of the conference member in the meeting-place, do not possess the ability of initiatively initiating to delete a certain medium type to Conf AS), need after step 400, further comprise the following steps:
Step 500:Conf AS sends re-invite message and has deleted certain conference media type to meeting member notice, requires all conference members all to close deleted media channel;
Step 600: conference member is updated to media information after the deletion with the media information of original medium type, and its current media information (promptly delete certain medium type after IMS conference medium information) is sent to ConfAS;
The media information of step 700:ConfAS after with the meeting member deletion is sent to MRS, to close media channel deleted in all conference members.
Wherein, adopt the Session Initiation Protocol of standard to carry out data interaction between conference applications server and the MRS.
In sum, method according to deletion conference media type in the meeting of multimedia type of the present invention, initiate the message of certain conference media type of deletion to the conference applications server by the meeting main control terminal, the message that the conference applications server will be deleted certain conference media type is sent to the MRS that represents the respective media type, notifying it to close corresponding media channel, thereby realized a certain medium type of deletion in the meeting of multiple medium type.
More than be in order to make those of ordinary skills understand the present invention; and to detailed description that the present invention carried out; but can expect; in the scope that does not break away from claim of the present invention and contained, can also make other variation and modification, these variations and revising all in protection scope of the present invention.
Claims (6)
1. the method for deletion conference media type in the meeting of a multimedia type is characterized in that, comprises the following steps:
Steps A: after creating the meeting-place of multimedia type meeting, the meeting main control terminal sends the message of certain conference media type of deletion to the conference applications server;
Step B: the conference applications server is sent to the Media Resource Server of representing the respective media type with the message of described deletion conference media type, closes corresponding media channel to notify it;
Step C: after relative medium resource server has been closed media channel, the notification of meetings application server;
Step D: the message that the conference applications server will be deleted the relative medium resource server success is sent to described meeting main control terminal.
2. the method for deletion conference media type is characterized in that in the meeting of multimedia type as claimed in claim 1, in described steps A, deletes the media information that comprises certain conference media type of expression deletion in the message of certain conference media type.
3. the method for deletion conference media type in the meeting of multimedia type as claimed in claim 1, it is characterized in that, in described step D, the message that described conference applications server will be deleted the relative medium resource server success is sent to after the described meeting main control terminal, further comprises the following steps:
Described meeting main control terminal is preserved remaining medium type, current media information is updated to the media information of having deleted behind the described medium type.
4. as the method for deletion conference media type in the meeting of each described multimedia type in the claim 1 to 3, it is characterized in that, after carrying out described step D, further comprise the following steps:
Step e: described conference applications server sends the message of described deletion conference media type to the meeting member, and notice has been deleted certain conference media type, requires all conference members to close the media channel of deleted certain conference media type correspondence;
Step F: described conference member is updated to media information after the deletion with the media information of original medium type, and its current media information is sent to described conference applications server;
Step G: the media information of described conference applications server after with the meeting member deletion is sent to relative medium resource server, to close media channel deleted in all conference members.
5. as the method for deletion conference media type in the meeting of each described multimedia type in the claim 1 to 3, it is characterized in that, adopt the conversation initialized protocol of standard to carry out data interaction between described conference applications server and the Media Resource Server.
6. as the method for deletion conference media type in the meeting of each described multimedia type in the claim 1 to 3, it is characterized in that, adopt RTP to carry out data interaction between described Media Resource Server and the conference terminal.
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| CN2007101635191A CN101136761B (en) | 2007-10-12 | 2007-10-12 | Method for deleting conference media types in multimedia types conference |
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| CN2007101635191A CN101136761B (en) | 2007-10-12 | 2007-10-12 | Method for deleting conference media types in multimedia types conference |
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| CN101136761A CN101136761A (en) | 2008-03-05 |
| CN101136761B true CN101136761B (en) | 2010-11-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101674305B (en) * | 2009-08-11 | 2012-09-26 | 中兴通讯股份有限公司 | Method and system for realizing multimedia conference |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1921647A (en) * | 2005-08-22 | 2007-02-28 | 华为技术有限公司 | Method for realizing communication |
| CN101030843A (en) * | 2007-03-22 | 2007-09-05 | 中国移动通信集团公司 | Method for converting multi-medium conference controlling mode |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1921647A (en) * | 2005-08-22 | 2007-02-28 | 华为技术有限公司 | Method for realizing communication |
| CN101030843A (en) * | 2007-03-22 | 2007-09-05 | 中国移动通信集团公司 | Method for converting multi-medium conference controlling mode |
Non-Patent Citations (1)
| Title |
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| US 2007/0002779 A1,全文. |
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