CN102111603B - Method for realizing sub-conference in IMS video conference, and device and system thereof - Google Patents
Method for realizing sub-conference in IMS video conference, and device and system thereof Download PDFInfo
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- CN102111603B CN102111603B CN 200910243843 CN200910243843A CN102111603B CN 102111603 B CN102111603 B CN 102111603B CN 200910243843 CN200910243843 CN 200910243843 CN 200910243843 A CN200910243843 A CN 200910243843A CN 102111603 B CN102111603 B CN 102111603B
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Abstract
The present invention discloses a method for realizing a sub-conference in an IMS (IP Multimedia Subsystem) video conference, and a device and a system thereof, wherein the method comprises the steps as follows: an IMS video conference AS (Application Server) establishes the sub-conference according to a request message which is sent by a conferencing terminal of a main conference and requests to establish the sub-conference in the main conference, and adds corresponding terminals into the sub-conference according to the request message which is sent by the conferencing terminal of the sub-conference and invites other terminals to add into the sub-conference, or according to the request message which is sent by the other terminals and requests to add into the sub-conference; then the IMS video conference AS sends the request message of audio mixing setting to a MRF (Media Resource Function); and according to the request message of the audio mixing set, the MRF respectively performs the audio mixing setting for the conferencing terminal of the sub-conference and the conferencing terminal of the main conference, furthermore, respectively provides an audio-mixing audio stream for the conferencing terminal of the sub-conference and the conferencing terminal of the main conference. By adopting the method, the device and the system in the present invention, the sub-conference can be realized in the main conference, members of the sub-conference can stay within the main conference, and the main conference can not be influenced by the sub-conference.
Description
Technical field
The present invention relates to the core net and the multimedia service technology of the communications field, relate in particular to a kind of method, a kind of IMS video conference application server and a kind of IMS video conferencing system that in the IMS video conference, realizes son conference.
Background technology
Video conference is to utilize communication network, transmits a kind of communication service of a plurality of participant's continuously active images and sound.In today of communication network high speed development; Because the interaction of video conference, advanced function such as real-time, and can practice thrift the funds and the time of traditional meeting, especially in emergency circumstances at some; Video conference can play an important role especially, so video conference has obtained increasing application.
(IP Multimedia Subsystem IMS) is a conversation control system based on Session Initiation Protocol (Session Initialization Protocol, session initiation protocol) to IP Multimedia System.3GPP has taked layer architecture to the design of IMS; This layered system has embodied the thought of " business is separated with control " and " control separates with access and carrying "; Make different user terminals to insert the IMS network through different wireless or wire access technology; Enjoy unified calling control service, and use diversified multi-media value-added business.At present, IMS is the core technology of next generation network by the industry well recognized, also is to solve to move with fixed network to merge, and introduces the professional important way of differentiation such as voice, data, the triple fusions of video.
The network architecture based on the video conference business of IMS can be as shown in Figure 1; Mainly comprise: IMS core net, MRF (Media Resource Function; The media resource function entity) and video conference application server (video conference AS); And the user terminal of participating in video conference, wherein pass through Session Initiation Protocol communication between each network element, carry out signaling control.The quantity of MRF can be a plurality of.
The IMS core net mainly is responsible for the access of user terminal, and user terminal is carried out authentication and session control, triggers the operation flow of video conference; Video conference AS is an entity of realizing the video conference business logic control in the IMS network; MRF is the treatment facility of audio-video frequency media; Insert video conference AS through Session Initiation Protocol; For user terminal provides the audio-video frequency media stream of video conference, and realize that the used agreement of its transmission tone video media stream can be RTP (Real-time Transport Protocol to looking various the controlled function of audio medium stream; RTP) or RTCP (RTP Control Protocol, RTCP Real-time Transport Control Protocol).
Based on the network architecture of the video conference business of above-mentioned IMS, can realize the establishment of video conference, to participant's adding or leave and control, and finish video conference etc.
In the present video conferencing technology, be in the participant in the video conference, making a speech and receiving speech all is to face to be in all participants in this meeting, and such meeting has used limitation.Such as, when a plurality of participants used video conference, possible a few participant can hope in the small-scale scope, to hold a group meeting and further discuss, but did not hope to leave simultaneously present meeting again.
To this demand, traditional video conferencing system does not still have corresponding solution, and this defective will be brought obstacle for the further deployment and the development of video conference business.
Summary of the invention
The embodiment of the invention provides a kind of method and device and system that in the IMS video conference, realizes son conference, creates son conference in order to be implemented in the main meeting, and makes participant in the son conference not leave main meeting and can not impact main meeting.
The method that in the IMS video conference, realizes son conference that the embodiment of the invention provides comprises:
The request message of in main meeting, creating son conference that IMS video conference application server sends according to main meeting participant terminal is created son conference; And add the request message of son conference or the request message of the said son conference of adding that other-end sends according to the invitation other-end that send at the participant terminal of said son conference, corresponding terminal is added said son conference;
IMS video conference application server sends the request message that audio mixing is provided with to media resource function entity MRF;
The request message that MRF is provided with according to said audio mixing, the audio mixing setting is carried out at the participant terminal that is respectively said son conference and said main meeting, and the participant terminal that is respectively said son conference and said main meeting provides the audio mixing audio stream.
The IMS video conference application server that the embodiment of the invention provides comprises:
The sidebar module; Be used for creating son conference according to the request message that send at main meeting participant terminal at main meeting establishment son conference; And add the request message of son conference or the request message of the said son conference of adding that other-end sends according to the invitation other-end that send at the participant terminal of said son conference, corresponding terminal is added said son conference;
Audio mixing is provided with request module, is used for sending the participant terminal be respectively said son conference and the request message that audio mixing is provided with is carried out at the participant terminal of said main meeting to MRF.
The IMS video conferencing system that the embodiment of the invention provides comprises: above-mentioned IMS video conference application server, and MRF, wherein,
MRF; The request message that the audio mixing that is used for sending according to said IMS video conference application server is provided with; The audio mixing setting is carried out at the participant terminal that is respectively said son conference and said main meeting, and the participant terminal that is respectively said son conference and said main meeting provides the audio mixing audio stream.
The above embodiment of the present invention; On the one hand; Pass through the request message establishment son conference of in main meeting, creating son conference that IMS video conference application server sends according to main meeting participant terminal; And in this son conference, add the participant terminal, and it is left from main meeting for the participant terminal of not only having participated in main meeting but also having participated in son conference, thus realized in main meeting, realizing son conference; On the other hand; Pass through IMS video conference application server and send the request message that the audio mixing setting is carried out at the participant terminal that is respectively said son conference and said main meeting to media resource function entity MRF; And according to the audio mixing setting of MRF; The participant terminal that is respectively said son conference and said main meeting provides the audio mixing audio stream, thereby makes the meeting-place of son conference can not influence the meeting-place of main meeting.
Description of drawings
Fig. 1 is for having the network architecture sketch map based on the video conference business of IMS now;
The structural representation of the IMS video conference AS that Fig. 2 provides for the embodiment of the invention;
The schematic flow sheet of the establishment son conference that Fig. 3 provides for the embodiment of the invention;
The schematic flow sheet that initiatively adds son conference that Fig. 4 provides for the embodiment of the invention;
The son conference participant that Fig. 5 provides for the embodiment of the invention leaves the schematic flow sheet of son conference;
The schematic flow sheet of the end son conference that Fig. 6 provides for the embodiment of the invention.
Embodiment
Problem to the prior art existence; The embodiment of the invention is through the mode of expansion Session Initiation Protocol message and increase IMS videoconference server function; Make the IMS videoconference server can be to creating son conference, finish son conference, add son conference or leave sip message such as son conference and carry out handled, thereby realize the son conference of IMS video conference.
The alleged son conference of the embodiment of the invention is meant: when a plurality of participants use video conference; Part participant wherein holds a group meeting in the small-scale scope; But these participants do not leave the current video meeting simultaneously; And can not impact the current video meeting, group meeting wherein is referred to as son conference.
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
The network architecture sketch map of the IMS video conferencing system that the embodiment of the invention provides can be as shown in Figure 1, but the embodiment of the invention has been carried out the function expansion to wherein video conference AS, and the video conference AS after the expansion has increased the function that realizes son conference.
In the network architecture of this IMS video conferencing system, the IMS core net mainly is responsible for the access of user terminal, is service trigger and the entity that call and controlled function are provided; MRF is a server of handling video conference related application data and media data; Can have one or more; When holding a meeting; This server will be merged into one the tunnel from the video flowing of multichannel or video flowing and mail to participant's user terminal again, and the used agreement of its transmission tone video media stream can be RTP/RTCP.Participant's user terminal can be supported Session Initiation Protocol.
Fig. 2 has provided the structural representation of the video conference AS in the IMS video conferencing system network architecture that the embodiment of the invention provided.As shown in the figure, this video conference AS can comprise: conference centre's control module 201, meeting and media strategy module 202, conference notification service module 203, data application module 204, sidebar module 205, audio mixing are provided with request module 206.Wherein, Sidebar module 204 is newly-increased modules; Audio mixing is provided with request module 205 and can obtains through the corresponding module transformation to existing video conference AS; Other modules can adopt the corresponding module among the existing video conference AS, perhaps the corresponding module transformation among the existing video conference AS are obtained.
Conference centre's control module 201 can be used all participant's user terminals of SIP session connection, and manage these sessions.Conference centre's control module 201 is responsible for carrying out comprehensive conferencing policy, like the examination of the monitoring of meeting life cycle, participant membership qualification and mandate etc., guarantee session connection to be participant's user terminal that one group of conferencing policy allows access.In addition, conference centre's control module 201 can guarantee that each participant's user terminal can both obtain all media datas from this meeting through the control media session.Conference centre's control module 201 is distributed a conference centre for each meeting, and conference centre can be by the only sign of meeting URI (Universal Resource Identifier, generic resource identifier).201 pairs of calling invitation of conference centre's control module have proof procedure; Can comprise authentication to the calling party, to the checking of calling invitation message and the checking of media parameter (like medium type, medium type combination and coding parameter etc.), the calling invitation of authentication failed is by conference centre's control module 201 refusals.
Meeting and media strategy module 202, main responsible storage and operation are used for the corresponding strategies of managerial meeting and medium.Conferencing policy is the complete or collected works of a meeting operation rules of control, and media strategy is the regular complete or collected works of media resource in meeting of control.Conferencing policy and media strategy can be before the conference creation or are formulated during conference creation, are used for instructing conference centre's control module 201 to preside over and manage a meeting and conferencing resource.Meeting will be preserved the relevant configuration information of meeting control with media strategy functional module 202; Conference centre's control module 201 is controlled session and medium through the multimedia conferencing strategy; Meeting and media strategy can use the document form storage based on XML (Extensible Markup Language, extend markup language).
Conference notification service module 203 mainly provides the conference status subscription service to participant's user terminal.When conference status changed, fashionable as leaving meeting as the participant or having new participant to add, conference notification service module 203 can be sent notice to the booking reader.
Data application module 204 is entities of realizing data application related functions in all meetings, and the function of realization can comprise data collaborative functions such as electronic whiteboard is shared, file transmission.
Sidebar module 205; Be mainly used in the realization sidebar; These functions can comprise: the request according to the participant is created son conference, is invited other participants to add son conference; Leave the request of son conference according to the son conference participant this participant is deleted from this son conference, and finish son conference etc.
Audio mixing is provided with request module 206, is mainly used in sidebar module 205 to realize in the process of son conference, sends the request message that audio mixing is set to MRF.
Conference centre's control module 201 among the above-mentioned video conference AS can be carried out alternately with other functional modules, for other functional modules provide the relevant information of each meeting, like information such as URI, media resources.
In the process that realizes son conference, conference centre's control module 201 can receive the sip message about the realization son conference that user terminal sends, and sends to 205 processing of sidebar module; Sidebar module 205 is after accomplishing handled; As create son conference, with user terminal adds son conference, deletion is left from son conference user terminal, finish operation such as son conference, can return respective response message to user terminal through Central Control Module 201; Audio mixing is provided with request module 206 can be before sidebar module 205 beginning son conferences; And the participant in son conference is when changing; Perhaps when son conference finishes; Send the request message that audio mixing is set through conference centre's control module 201 to MRF, the strategy of audio mixing setting can be provided by meeting and media strategy module 202, and by audio mixing request module 206 is set and sends to MRF.
Each functional module among the above-mentioned video conference AS can realize through software mode.Above functional module dividing mode only is a kind of in numerous dividing mode; Those skilled in the art should be understood that; As long as can make video conference AS realize above-mentioned functions, adopt other mode partition functionality modules or partition functionality module not, all should be within protection scope of the present invention.
For making above-mentioned video conference AS can realize sidebar; Need expand sip message; Make sip message can the load creating son conference, invite and add son conference, leave son conference, finish the signaling informations relevant such as son conference, so that video conference AS can be according to the corresponding function of these signaling informations realization son conferences with the realization of son conference.A kind of extended method that the embodiment of the invention provided is:
In sip message, increase a field newly: the Sub-Conference field.The structure of this field is:
Sub-Conference：oper=action，uri=exampleconference.com；
Wherein, Oper representes the operation of son conference, and action representes concrete son conference action type, can comprise create (son conference is created in expression), destroy (son conference is destroyed in expression); Begin (expression beginning son conference); Join (expression adds son conference), bye (son conference is initiatively left in expression), invite (expression is invited and added son conference), and leave (son conference is left in the expression request) etc.Uri is SIP URI, can be to be invited user's the URI or the SIP URI of sign son conference.
For example, following Sub-Conference field is represented respectively:
Sub-Conference：oper=create，uri=;
A new son conference is created in the expression request;
Sub-Conference：oper=invite，uri=sip:subconf_mainconfconference.com;
It is the son conference of subconf_mainconfconference.com that adding sip uri is invited in expression.
According to above description, respectively the establishment of son conference, the implementation procedure that adds, leaves and finish are described in detail below in conjunction with Fig. 3, Fig. 4, Fig. 5 and Fig. 6.
As shown in Figure 3, when the participant in the current video meeting (to call main meeting in the following text) want in this video conference, to initiate son conference, the visioning procedure of its son conference comprised:
A participant in step 301～302, the main meeting creates the SIP INFO of son conference as the son conference promoter to the video conference AS request of sending through user terminal; After receiving, video conference AS returns SIP response message (100processing).
In this step, carry the Sub-Conference field in the SIP INFO:
Sub-Conference:oper=create, uri=; Son conference is created in the expression request.
Step 303～304, video conference AS resolve it after receiving the SIP INFO; Generate the meeting identification URI of son conference according to the establishment request that parses; Send the SIP INFO to MRF then; There is son conference to create with notice and accomplishes, and ask the related resource (mainly referring to the audio mixing hardware device) of audio mixing to MRF; After receiving, MRF returns SIP response message (200 OK).
In this step, receive and resolve the operation of SIP INFO, and the operation of creating son conference URI can be undertaken by the sidebar module, the son conference URI of distribution can be stored in conference centre's control module.
Step 305, video conference AS return 200OK message to promoter's user terminal of son conference, wherein carry the son conference URI of distribution.
In this step, return the operation of 200OK message and can be undertaken by the sidebar module among the video conference AS.
Step 306, son conference promoter user terminal are received after the URI of son conference, send the SIP INFO to video conference AS, add this son conference to invite other participants, and the user who is invited can be the participant of main meeting, also can be other users.
In this step, carry the Sub-Conference field in the SIP INFO:
Sub-Conference:oper=invite, uri=sip:subconf_mainconfconference.com; It is the son conference of subconf_mainconfconference.com that adding sip uri is invited in expression.
Step 307, video conference AS will invite the SIP INFO that adds son conference to be transmitted to the invitee and belong to the terminal.
Step 308～309, invitee reply the 200OK message of adhereing to son conference through the terminal, place; Video conference AS adds son conference with this invitee, and gives son conference founder user terminal with this 200OK forwards.
Step 310, son conference founder user terminal send the SIP INFO to video conference AS, with request beginning son conference.
In this step, carry the Sub-Conference field in the SIP INFO:
Sub-Conference:oper=begin, uri=sip:subconf_mainconfconference.com; Expression beginning sip uri is the son conference of subconf_mainconfconference.com.
Step 311, video conference AS send the SIP INFO to MRF, control with request MRF antithetical phrase IMS conference medium resource.
After step 312～313, MRF change video conference participant's audio mixing is provided with, return 200 OK message, expression can begin son conference.
In this step, MRF asks according to this, and video conference participant's audio medium stream is carried out the audio mixing setting, and the audio mixing Provisioning Policy can be provided or is pre-configured among the MRF by video conference AS.So-called audio mixing is exactly that different audio streams is mixed into an audio stream at the MRF place through the method for linear superposition, when playing, just reaches the effect of the true conference scenario of simulation like this., meeting participant's audio medium stream is carried out the audio mixing setting here, following scheme can be arranged:
Scheme one: the audio stream to all participants of son conference carries out audio mixing, so that offer all participants of son conference; Audio stream to other all participants except that the son conference participant in the main meeting carries out audio mixing, so that offer the participant that these participate in audio mixing.Like this, the speech in son conference meeting-place has only the son conference participant to hear, the speech in main meeting meeting-place has only the participant who does not participate in son conference in the main meeting meeting-place to hear, thereby main meeting and son conference are independent of each other;
Scheme two: the audio frequency to all participants of son conference carries out audio mixing, so that offer the participant who does not participate in main meeting in the son conference; Audio stream to other all participants except that the son conference participant in the main meeting carries out audio mixing, so that offer the participant that these participate in audio mixing; Audio frequency to the participant of son conference and main meeting carries out audio mixing, so that offer the participant who has also participated in main meeting in the son conference.Like this; Main meeting participant can not hear the speech in son conference meeting-place; And the participant who has also participated in main meeting in the son conference both can hear the speech in son conference meeting-place; Can hear the speech in main meeting meeting-place again, the participant who does not participate in main meeting in the son conference can only hear the speech in son conference meeting-place.For instance; If comprise A, B, C, D, E participant in the main meeting, comprise D, E, F participant in the son conference, then the audio mixing result is: with offering A, B, C respectively behind A, B, the C audio mixing; With offering F behind D, E, the F audio mixing, with offering D, E behind A, B, C, D, E, the F audio mixing.
Preferably; Can the volume setting of son conference participant's audio stream is big, so that can more clearly hear the speech in son conference meeting-place, audio stream that also can main meeting participant is set to quiet; That is, make the participant of son conference only can hear the speech in son conference meeting-place.Also use above-mentioned instance, offer in the audio mixing audio frequency of D, E, the volume that can the audio stream of D, E, F be provided with is greater than the audio stream of A, B, C.
Afterwards, the participant of son conference can exchange in the new son conference of creating under the situation of not leaving main meeting.In this process, MRF carries out audio mixing according to set audio mixing setting to be handled, and offers corresponding participant terminal.The video setting of the video terminal that meeting is on-the-spot can be handled in a conventional manner.
In the above-mentioned flow process; Invite a plurality of participants to participate in son conference if desired; Then can invite the SIP INFO that adds son conference to invite through sending one by one, inviting the people both can be the promoter of son conference, also can be other participants that joined in the son conference.Invite the adding son conference both can before son conference begins, carry out, also can in the process that son conference carries out, carry out.
After son conference was created, the conference notification service module in the IMS video conferencing system can be notified main meeting participant with the son conference of creating according to the strategy of storing in meeting and the media strategy module.The request that the participant of main meeting can initiatively initiate to add son conference is to add son conference, and its flow process can be as shown in Figure 4, comprising:
After a participant in step 401, the video conference receives son conference establishment notice, add the SIP INFO of son conference to the video conference AS request of sending through user terminal.
In this step, carry the Sub-Conference field in the SIP INFO:
Sub-Conference:oper=join, uri=sip:subconf_mainconfconference.com; It is the son conference of subconf_mainconfconference.com that the expression request adds sip uri.
Step 402, video conference AS add son conference with this participant, send the SIP INFO to MRF, and MRF has new participant to ask to add son conference with notice, need carry out the audio mixing setting.
Step 403, MRF revise meeting participant's audio mixing setting.
In this step, MRF will be somebody's turn to do the new audio frequency that adds the participant of son conference and added the participant of son conference and carry out audio mixing.
Step 404, MRF return 200 OK message to video conference AS, and the audio mixing setting has been accomplished in expression.
Step 406, video conference AS can further have the newcomer to add son conference through other participants in the SIP NOTIFY notice son conference.
Other participants of step 407, son conference receive echo reply message 200 OK behind the SIP NOTIFY.
In the above-mentioned flow process; For the request that adds son conference; Whether the participant of son conference can put to the vote, perhaps by wherein allowing the newcomer to add as chairman's participant decision, if allow; Then will send adding son conference requesting users and add son conference, add son conference otherwise refuse it according to above-mentioned flow process.
The participant of son conference can also initiatively leave son conference, and its flow process can be as shown in Figure 5, comprising:
A participant in step 501, the son conference leaves the SIP INFO of son conference to the video conference AS request of sending through user terminal.
In this step, carry the Sub-Conference field in the SIP INFO:
Sub-Conference:oper=bye, uri=sip:subconf_mainconfconference.com; The son conference that sip uri is subconf_mainconfconference.com is left in the expression request.
Step 502, video conference AS delete this participant from son conference, send the SIP INFO to MRF, and MRF has the participant of son conference will leave son conference with notice, need carry out the audio mixing setting.
Step 503, MRF revise meeting participant's audio mixing setting.
In this step, if the leaver is the participant of main meeting, then MRF changes the participant's who leaves audio mixing setting in the main meeting-place audio frequency, carries out audio mixing between the son conference participant.
Step 504, MRF return 200 OK message to video conference AS, and the audio mixing setting has been accomplished in expression.
Step 505, video conference AS send 200 OK message to sending the participant's user terminal that leaves son conference SIP INFO, and expression can be left son conference.
Step 506, video conference AS can further have the member to leave son conference through other participants in the SIP NOTIFY notice son conference.
Other participants of step 507, son conference receive echo reply message 200 OK behind the SIP NOTIFY.
If no longer need son conference, then can son conference be destroyed, the flow process of destroying son conference can be as shown in Figure 6, comprising:
The SIPINFO message that step 601～602, son conference participant destroy son conference to the video conference AS request of sending; Video conference AS receives back echo reply message 100.Wherein, the participant who sends this request can be the promoter of this son conference, also can be that other have authority to destroy the participant of son conference in this son conference.
In this step, carry the Sub-Conference field in the SIP INFO:
Sub-Conference:oper=destroy, uri=sip:subconf_mainconfconference.com; It is the son conference of sip:subconf_mainconfconference.com that sip uri is destroyed in expression.
Step 603, video conference AS send the SIP INFO to other participants of this son conference, leave son conference to indicate this participant.
In this step, carry the Sub-Conference field in the SIP INFO:
Sub-Conference:oper=leave, uri=sip:subconf_mainconfconference.com; The son conference that sip uri is subconf_mainconfconference.com is left in expression.
Step 604, other participants receive after the SIP INFO of son conference is left in requirement and reply, return 200 OK message.
Step 605, video conference AS send the SIP INFO to MRF, and son conference is destroyed in expression, need MRF to discharge the related media resource, or further carry out the audio mixing setting.
Step 606, MRF discharge the related media resource, and revise the setting of meeting audio mixing as required.
In this step, if the participant of main meeting is arranged in the son conference of request release, then MRF returns to the audio mixing setting (promptly all members participate in audio mixing) in the original main meeting-place with the audio frequency of having participated in the participant of main meeting in this son conference.
SIP INFO in above-mentioned each flow process can also use SIP re-INVITE message to replace.
Need to prove that above embodiment is that example is described in active conference, to create a son conference only, according to above thinking; Can also be implemented in and create a plurality of son conferences in the same meeting; In addition, can also in son conference, create the son conference under it again, thereby realize the nested of son conference.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (30)
1. a method that in the IMS video conference, realizes son conference is characterized in that, comprising:
The request message of in main meeting, creating son conference that IMS video conference application server sends according to main meeting participant terminal is created son conference; And add the request message of son conference or the request message of the said son conference of adding that other-end sends according to the invitation other-end that send at the participant terminal of said son conference, corresponding terminal is added said son conference;
IMS video conference application server sends the request message that audio mixing is provided with to media resource function entity MRF;
The request message that MRF is provided with according to said audio mixing, the audio mixing setting is carried out at the participant terminal that is respectively said son conference and said main meeting, and the participant terminal that is respectively said son conference and said main meeting provides the audio mixing audio stream.
2. the method for claim 1 is characterized in that, the request message of said establishment son conference is session initiation protocol SIP INFO or SIP re-INVITE, wherein carries the son conference field, comprises the command information of creating son conference in this field;
The request message that said invitation adds son conference is SIP INFO or SIP re-INVITE message, wherein carries the son conference field, comprise in this field inviting the command information that adds son conference, and the sign of the son conference of adding of asking;
The request message of said adding son conference is SIP INFO or SIP re-INVITE message, wherein carries the son conference field, comprises the command information that adds son conference in this field, and the sign of the son conference of adding of asking.
3. the method for claim 1 is characterized in that, said son conference also comprises after creating:
IMS video conference application server begins said son conference according to the request message of the said son conference of beginning of said son conference participant terminal transmission.
4. method as claimed in claim 3; It is characterized in that the request message of said beginning son conference is SIP INFO or SIP re-INVITE message, wherein carries the son conference field; Comprise the command information that begins son conference in this field, and the sign of the son conference of beginning of asking.
5. the method for claim 1 is characterized in that, the terminal adds after the said son conference, also comprises:
The request message that leaves said son conference that the IMS videoconference server is sent according to said son conference participant terminal is deleted this participant terminal from said son conference.
6. method as claimed in claim 5; It is characterized in that the said request message that leaves son conference is SIP INFO or SIP re-INVITE message, wherein carries the son conference field; Comprise the command information of leaving son conference in this field, and the sign of the son conference of asking to leave.
7. method as claimed in claim 5 is characterized in that, if leave the participant terminal that the participant terminal of said son conference is said main meeting, then also comprises:
The IMS videoconference server is sent to MRF and is revised the request message that audio mixing is provided with;
MRF revises the request message that audio mixing is provided with according to this; Carry out the audio mixing setting for this leaves the participant terminal that does not add said son conference in participant terminal and the said main meeting of said son conference, the audio frequency that makes this participant terminal of leaving said son conference again with said main meeting in do not add said son conference the participant terminal carry out audio mixing.
8. the method for claim 1 is characterized in that, said son conference is created and had the terminal to add after the said son conference, also comprises:
The IMS videoconference server indicates other participant terminals of said son conference to leave said son conference according to the request message of the said son conference of end of said son conference participant terminal transmission;
The IMS videoconference server is sent the request message that discharges said son conference resource to MRF, and after MRF discharges said son conference resource, finishes said son conference.
9. method as claimed in claim 8; It is characterized in that the request message of said end son conference is SIP INFO or SIP re-INVITE message, wherein carries the son conference field; Comprise the command information that finishes son conference in this field, and the sign of the son conference of end of asking;
Indicate other participant terminals to leave said son conference; Be specially: send SIPINFO message or SIP re-INVITE message to said other participant terminals; Wherein carry the son conference field, comprise the command information that finishes son conference and the sign of the indicated son conference that leaves in this field.
10. method as claimed in claim 8 is characterized in that, is the participant terminal of said main meeting if indicate the participant terminal of leaving said son conference, then also comprises:
The IMS videoconference server is sent to MRF and is revised the request message that audio mixing is provided with;
MRF revises the request message that audio mixing is provided with according to this; Carry out the audio mixing setting for this leaves the participant terminal that does not add said son conference in participant terminal and the said main meeting of said son conference, the audio frequency that makes this participant terminal of leaving said son conference again with said main meeting in do not add said son conference the participant terminal carry out audio mixing.
11. like each described method of claim 1 to 10; It is characterized in that; MRF is respectively the participant terminal of said son conference and said main meeting and carries out the audio mixing setting, and the participant terminal that is respectively said son conference and said main meeting provides the audio mixing audio stream, is specially:
MRF carries out audio mixing with the audio frequency at said son conference participant terminal, and offers the participant terminal of said son conference; MRF carries out audio mixing with the audio frequency that does not add the participant terminal of said son conference in the said main meeting, and offers the participant terminal that does not add said son conference in the said main meeting.
12. like each described method of claim 1 to 10; It is characterized in that; MRF is respectively the participant terminal of said son conference and said main meeting and carries out the audio mixing setting, and the participant terminal that is respectively said son conference and said main meeting provides the audio mixing audio stream, is specially:
MRF carries out audio mixing with the audio frequency at said son conference participant terminal, and offers the participant terminal that does not add said main meeting in the said son conference participant terminal; The audio frequency at the participant terminal of said son conference and said main meeting is carried out audio mixing, and offer the participant terminal that also adds said main meeting in the said son conference participant terminal; The audio frequency that does not add the participant terminal of said son conference in the said main meeting is carried out audio mixing, and offer the participant terminal that does not add said son conference in the said main meeting.
13. method as claimed in claim 12; It is characterized in that; When MRF carried out audio mixing at the audio frequency with the participant terminal of said son conference and said main meeting, the audio mixing audio volume between the said son conference participant terminal was set to greater than the audio mixing audio volume between the participant terminal that does not add said son conference in the said main meeting.
14. an IMS video conference application server is characterized in that, comprising:
The sidebar module; Be used for creating son conference according to the request message that send at main meeting participant terminal at main meeting establishment son conference; And add the request message of son conference or the request message of the said son conference of adding that other-end sends according to the invitation other-end that send at the participant terminal of said son conference, corresponding terminal is added said son conference;
Audio mixing is provided with request module, is used for sending the participant terminal be respectively said son conference and the request message that audio mixing is provided with is carried out at the participant terminal of said main meeting to MRF.
15. IMS video conference application server as claimed in claim 14 is characterized in that, said sidebar module specifically is used for:
From the SIP INFO of creating son conference or SIP re-INVITE message, parse the son conference field, from this field, parse the command information of creating son conference, and create son conference according to this command information;
From the SIP INFO that invite to add son conference or SIP re-INVITE message, parse the son conference field; From this field, parse and invite the command information that adds son conference; And the sign of the son conference of asking to add, and add the corresponding son conference of said son conference sign according to the terminal that this command information will be invited;
From the SIP INFO that adds son conference or SIP re-INVITE message, parse the son conference field; From this field, parse the command information that adds son conference; And the sign of the son conference of asking to add, and will send the terminal that joins request according to this command information and add the corresponding son conference of said son conference sign.
16. IMS video conference application server as claimed in claim 14; It is characterized in that; Said sidebar module also is used for: after said son conference was created, the request message of the said son conference of beginning that sends according to said son conference participant terminal began said son conference.
17. IMS video conference application server as claimed in claim 16; It is characterized in that; Said sidebar module has and is used for: parse the son conference field from the SIP INFO or the SIP re-INVITE message of beginning son conference; From this field, parse the command information of beginning son conference, and the sign of institute's son conference of ask to begin, and begin and said son conference identifies corresponding son conference according to this command information.
18. IMS video conference application server as claimed in claim 14; It is characterized in that; Said sidebar module also is used for: after the terminal adds said son conference; According to the request message that leaves said son conference that send at said son conference participant terminal, this participant terminal is deleted from said son conference.
19. IMS video conference application server as claimed in claim 18; It is characterized in that; Said sidebar module specifically is used for: parse the son conference field from SIP INFO or the SIP re-INVITE message of leaving son conference; From this field, parse the command information of leaving son conference, and the sign of the son conference of asking to leave, and the terminal that will send the request of leaving according to this command information is deleted from the son conference corresponding with said son conference sign.
20. IMS video conference application server as claimed in claim 18; It is characterized in that; Said audio mixing is provided with request module and also is used for: if leave the participant terminal that the participant terminal of said son conference is said main meeting, then send the request message of the audio mixing setting of revising the participant terminal that does not add said son conference in this participant terminal of leaving said son conference and the said main meeting to MRF.
21. IMS video conference application server as claimed in claim 14; It is characterized in that; Said sidebar module also is used for: create and have after the terminal adds said son conference at said son conference; The request message of the said son conference of end that sends according to said son conference participant terminal indicates other participant terminals of said son conference to leave said son conference; And, send the request message that discharges said son conference resource to MRF, and after MRF discharges said son conference resource, finish said son conference.
22. IMS video conference application server as claimed in claim 21; It is characterized in that; Said sidebar module specifically is used for: parse the son conference field from the SIP INFO or the SIP re-INVITE message that finish son conference; From this field, parse the command information that finishes son conference, and the sign of the son conference of end of asking, and according to this command information end and the corresponding son conference of said son conference sign; And, send SIP INFO or SIP re-INVITE message to said other participant terminals, wherein carry the son conference field, comprise the command information that finishes son conference and the sign of the indicated son conference that leaves in this field.
23. IMS video conference application server as claimed in claim 21; It is characterized in that; Said audio mixing is provided with request module and also is used for: if indicate the participant terminal of leaving said son conference is the participant terminal of said main meeting, then sends the request message of the audio mixing setting of revising the participant terminal that does not add said son conference in this participant terminal of leaving said son conference and the said main meeting to MRF.
24. like each described IMS video conference application server of claim 14 to 23; It is characterized in that; Said audio mixing is provided with request module and specifically is used for: ask the audio frequency at said son conference participant terminal is carried out audio mixing to MRF, and offer the participant terminal of said son conference; The audio frequency that does not add the participant terminal of said son conference in the said main meeting is carried out audio mixing, and offer the participant terminal that does not add said son conference in the said main meeting.
25. like each described IMS video conference application server of claim 14 to 23; It is characterized in that; Said audio mixing is provided with request module and specifically is used for: ask the audio frequency at said son conference participant terminal is carried out audio mixing to MRF, and offer the participant terminal that does not add said main meeting in the said son conference participant terminal; The audio frequency at the participant terminal of said son conference and said main meeting is carried out audio mixing, and offer the participant terminal that also adds said main meeting in the said son conference participant terminal; The audio frequency that does not add the participant terminal of said son conference in the said main meeting is carried out audio mixing, and offer the participant terminal that does not add said son conference in the said main meeting.
26. IMS video conference application server as claimed in claim 25; It is characterized in that; Said audio mixing is provided with request module and also is used for: at the audio mixing audio stream that provides for the participant terminal that also adds the said son conference of said main meeting, the audio mixing audio volume between the said son conference participant terminal is set to greater than the audio mixing audio volume between the participant terminal that does not add said son conference in the said main meeting to the MRF request.
27. an IMS video conferencing system is characterized in that, comprises like each described IMS video conference application server in the claim 14 to 26, and MRF, wherein,
MRF; The request message that the audio mixing that is used for sending according to said IMS video conference application server is provided with; The audio mixing setting is carried out at the participant terminal that is respectively said son conference and said main meeting, and the participant terminal that is respectively said son conference and said main meeting provides the audio mixing audio stream.
28. video conferencing system as claimed in claim 27 is characterized in that, said MRF specifically is used for: the audio frequency at said son conference participant terminal is carried out audio mixing, and offer the participant terminal of said son conference; MRF carries out audio mixing with the audio frequency that does not add the participant terminal of said son conference in the said main meeting, and offers the participant terminal that does not add said son conference in the said main meeting;
Perhaps, said MRF specifically is used for: the audio frequency at said son conference participant terminal is carried out audio mixing, and offer the participant terminal that does not add said main meeting in the said son conference participant terminal; The audio frequency at the participant terminal of said son conference and said main meeting is carried out audio mixing, and offer the participant terminal that also adds said main meeting in the said son conference participant terminal; The audio frequency that does not add the participant terminal of said son conference in the said main meeting is carried out audio mixing, and offer the participant terminal that does not add said son conference in the said main meeting.
29. video conferencing system as claimed in claim 28; It is characterized in that; When MRF carried out audio mixing at the audio frequency with the participant terminal of said son conference and said main meeting, the audio mixing audio volume between the said son conference participant terminal was set to greater than the audio mixing audio volume between the participant terminal that does not add said son conference in the said main meeting.
30. video conferencing system as claimed in claim 27; It is characterized in that; Said MRF also is used for: when as the terminal from the terminal that son conference leaves and this leaves son conference being the participant terminal of main meeting of this son conference; The request message that the modification audio mixing that sends according to said IMS video conference application server is provided with; Carry out the audio mixing setting for this leaves the participant terminal that does not add said son conference in participant terminal and the said main meeting of said son conference, the audio frequency that makes this participant terminal of leaving said son conference again with said main meeting in do not add said son conference the participant terminal carry out audio mixing.
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| CN102801708B (en) * | 2012-06-28 | 2016-08-10 | 大唐移动通信设备有限公司 | Electronic white board realization method and subscriber equipment |
| CN102857512B (en) * | 2012-09-18 | 2015-10-07 | 广东威创视讯科技股份有限公司 | Based on the distributed conference method of Session Initiation Protocol |
| CN103561183B (en) * | 2013-11-22 | 2015-11-18 | 重庆昇通科技有限公司 | A kind of videoconference merges service control system and merging thereof, fractionation control method |
| WO2016187795A1 (en) * | 2015-05-25 | 2016-12-01 | 程抒一 | Multiuser conference system |
| CN106941411B (en) * | 2017-01-24 | 2021-01-19 | 北京元心科技有限公司 | Terminal control method and system |
| CN109688365B (en) * | 2018-12-27 | 2021-02-19 | 北京真视通科技股份有限公司 | Video conference processing method and computer-readable storage medium |
| CN115567491A (en) * | 2021-07-01 | 2023-01-03 | 深圳市中兴微电子技术有限公司 | Conference call method, conference call device, storage medium and electronic equipment |
| CN113992882A (en) * | 2021-10-26 | 2022-01-28 | 维沃移动通信有限公司 | Packet processing method and device for multi-person conversation, electronic device and storage medium |
| CN117119140B (en) * | 2023-10-24 | 2024-02-02 | 浙江华创视讯科技有限公司 | Method and device for realizing control operation, storage medium and electronic device |
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