CN102857512B - Based on the distributed conference method of Session Initiation Protocol - Google Patents
Based on the distributed conference method of Session Initiation Protocol Download PDFInfo
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- CN102857512B CN102857512B CN201210350819.1A CN201210350819A CN102857512B CN 102857512 B CN102857512 B CN 102857512B CN 201210350819 A CN201210350819 A CN 201210350819A CN 102857512 B CN102857512 B CN 102857512B
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Abstract
The invention provides a kind of distributed conference method based on Session Initiation Protocol, comprise step: the Conference ID presetting each meeting, set up the connection between meeting promoter and the meeting participant of each meeting according to Conference ID; Carry out in process in meeting, meeting promoter sends the first notice of meeting according to described Conference ID to meeting participant; Meeting participant according to described first notice of meeting obtain the attribute information of other meeting participant in a meeting.Technology of the present invention, decreases the probability of user misoperation; Simultaneously, meeting promoter is according to Conference ID, the attribute information of other meeting participant in same meeting is sent to meeting participant in the mode of the first notice of meeting, make each meeting participant can know self the attribute information of other meeting ginseng person in a meeting, improve the quality that conferencing information is mutual, user can obtain better effect of meeting, is specially adapted to hold multiple different meeting under distributed meeting framework simultaneously.
Description
Technical field
The present invention relates to based on Session Initiation Protocol Web conference technology, particularly relate to a kind of distributed conference method based on Session Initiation Protocol.
Background technology
Along with the development of the communication technology and the propelling of common carrier broadband access, and the fast development of 3G and NGN, the mode gradually towards network changes by conference system.The specific implementation of Web conference, currently mainly contains H323 and SIP, because SIP is text based agreement, has better extensibility, has very large development prospect in conference system.
Based on the meeting that Session Initiation Protocol realizes, mainly comprise the distributed meeting of AD Hoc Conference() and centralized conferencing(XCON, centralized conference).Their main distinction is that holding of AD HocConference is more flexible, Conference server without the need to configuring a center as centralized conference just can carry out meeting, AD Hoc Conference only needs common SIP UA, just can hold a meeting, MPTY can be carried out anywhere or anytime, not by the restriction of server.
But for AD Hoc Conference, because it is the Multi-Party Conference realized by SIP UA, the Conference server that whole conference process is not concentrated manages, not about the Signalling exchange of meeting, in Multi-Party Conference, by one of them SIP UA(and meeting promoter) achieve the function of data mixing, signaling is then completely identical with point-to-point meeting, it is at hosting Multi-Party Conference to only have definite the knowing of the meeting promoter of responsible data mixing, other SIP UA(and meeting participant) cannot know self whether to be in a Multi-Party Conference, more cannot know the information about firms of other participant member.
In sum, as the meeting participant in AD Hoc Conference, conferencing information, other participant information about firms etc. cannot be obtained, and when a SIP UA holds multiple AD Hoc Conference Multi-Party Conference at one time, meeting promoter cannot distinguish clearly to each meeting, easily make mistakes, effect of meeting is poor.
Summary of the invention
Based on this, be necessary cannot obtain conferencing information and other participant information about firms for above-mentioned meeting participant, the problem that meeting promoter easily makes mistakes, effect of meeting is poor, provides a kind of distributed conference method based on Session Initiation Protocol.
Based on a distributed conference method for Session Initiation Protocol, comprise the steps:
Preset the Conference ID of each meeting, set up the connection between meeting promoter and the meeting participant of each meeting according to described Conference ID;
Carry out in process in meeting, meeting promoter sends the first notice of meeting according to described Conference ID to meeting participant, and wherein, described first notice of meeting comprises the attribute information with other meeting participant in the same meeting of target meeting participant;
Meeting participant according to described first notice of meeting obtain the attribute information of other meeting participant in a meeting.
The above-mentioned distributed conference method based on Session Initiation Protocol, by extending Conference ID in Session Initiation Protocol, when holding multiple distributed meeting, meeting promoter utilizes Conference ID, when there is no centralized conference server, visual display can be carried out to the attribute information of each conferencing information and meeting participant easily, decrease the probability of user misoperation; Simultaneously, meeting promoter is according to Conference ID, the attribute information of other meeting participant in same meeting is sent to meeting participant in the mode of the first notice of meeting, make each meeting participant can know self the attribute information of other meeting ginseng person in a meeting, improve the quality that conferencing information is mutual, user can obtain better effect of meeting, is specially adapted to hold multiple different meeting under distributed meeting framework simultaneously.
Accompanying drawing explanation
Fig. 1 is the distributed conference method flow chart based on Session Initiation Protocol of an embodiment;
Fig. 2 is the call flow diagram of the point-to-point meeting of an embodiment;
Fig. 3 is the process chart of the notify message of an embodiment.
Embodiment
Be described in detail below in conjunction with the embodiment of accompanying drawing to the distributed conference method based on Session Initiation Protocol of the present invention.
Fig. 1 shows the distributed conference method flow chart based on Session Initiation Protocol of an embodiment, mainly comprises the steps:
S100, presets the Conference ID (IDentity, identify label number) of each meeting, sets up the connection between meeting promoter and the meeting participant of each meeting according to described Conference ID;
S200, carry out in process in meeting, meeting promoter sends the first notice of meeting according to described Conference ID to meeting participant, and wherein, described first notice of meeting comprises the attribute information with other meeting participant in the same meeting of target meeting participant;
S300, meeting participant according to described first notice of meeting obtain the attribute information of other meeting participant in a meeting.
Distributed conference method based on Session Initiation Protocol of the present invention, be provided with Conference ID to manage each meeting, utilize different Conference ID, sent the first notice of meeting of specific format by meeting promoter to meeting participant, meeting participant can be known specifically participate in a conference the attribute information of personnel.
In order to more clear technical scheme of the present invention, below set forth the preferred embodiment of the distributed conference method based on Session Initiation Protocol.
For step S100, particularly, in meeting connection procedure, meeting promoter is according to the Conference ID preset, meeting participant respectively to each meeting carries out point to point call, send the invite message based on Session Initiation Protocol, this invite message carries the message body of a SDP, SDP is responsible for the media description of meeting, SDP message body comprises: session name, Session Time, conversation media pattern, conversation media address, session attribute etc., a general SDP message can carry several session attributes, form is " a=***:*** ", now, Conference ID can be increased in the meeting attribute of SDP, such as form following " a=ConfID:room1001 ", this Conference ID represents that current sessions is a meeting, such as, Conference ID can be " room1001 ", meeting participant obtains the Conference ID of self place meeting according to this invite message, and returns confirmation to meeting promoter, and meeting promoter passes through Conference ID and can realize monitoring in real time meeting participant in each Multi-Party Conference.
For step S200, meeting promoter sends a notify(notice with the time interval of setting to meeting participant according to described Conference ID) message, such as, Conference ID is the meeting of " room1001 ", then send a notify message of the attribute information comprising other meeting participant respectively to each participant member in this " room1001 ".
Wherein, a described notify message carries body(label) message body, body message body comprises the attribute information of other meeting participant outside target meeting participant.
Due in distributed conference system, each meeting participant only can know the existence of meeting promoter, the existence of other member that attends a meeting cannot be known, and meeting promoter is each user of the meeting can known under each Conference ID, therefore, by the mode of the first notice of meeting, meeting promoter is according to Conference ID, sent the attribute information of other meeting participant in same meeting (namely Conference ID is identical) in real time to each meeting promoter by notify message mode, each meeting participant can know the attribute information of other meeting participant easily.
For step S300, meeting participant passes through the notify message that continuous reception meeting promoter sends, the attribute information of other meeting participant in the same meeting of target meeting participant is included in body message body due to a notify message, by resolving a notify message, the attribute information of other meeting participant can be obtained.
As an embodiment, for the first notice of meeting, can be designed to XML file form, be placed in body message body of notify message, be below the example of first notice of meeting:
As an embodiment, distributed conference method based on Session Initiation Protocol of the present invention also comprises: be presented on interface with different windows by the attribute information of each meeting according to Conference ID by meeting promoter, and show the attribute information of the meeting participant of each meeting in the window.
By above-mentioned steps, meeting promoter can manage each ongoing meeting by Conference ID, meanwhile, clearly can distinguish the personnel participating in the meeting of each meeting of display in the window.
As an embodiment, the distributed conference method based on Session Initiation Protocol of the present invention also comprises: shown on meeting participant interface by the attribute information of Conference ID and other meeting participant.
By above-mentioned steps, meeting participant interface clearly can show other meeting participant of self place meeting.
As an embodiment, distributed conference method based on Session Initiation Protocol of the present invention also comprises: when there being meeting participant to exit meeting, this meeting participant exiting meeting sends the second notice of meeting to meeting promoter, wherein, this second notice of meeting comprises the report information exiting meeting, preferably, notify form of message is adopted to send;
When meeting promoter receives described second notice of meeting, find out according to Conference ID the window that this exits the meeting participant of meeting, and its attribute information is deleted from window.
By the handling process of the notify message of above-mentioned second notice of meeting, meeting promoter achieves meeting dynamic monitoring, can on interface the attribute information of real-time update conferencing information, the member that attends a meeting.
Further, the meeting participant exiting meeting also sends other meeting participant in the second notice of meeting to same meeting according to Conference ID;
When other meeting participant receives described second notice of meeting, the attribute information this being exited the meeting participant of meeting is deleted from meeting participant interface.
By the handling process of the notify message of above-mentioned second notice of meeting, meeting participant achieves the dynamic monitoring of other meeting participant in same meeting, real-time update can to attend a meeting the attribute information of member on interface.
As an embodiment, the distributed conference method based on Session Initiation Protocol of the present invention also comprises: when the meeting switching command that meeting promoter receives, and selects corresponding meeting and current ongoing meeting to switch according to described Conference ID.
In above-mentioned flow process, meeting promoter carrys out the handover management to each meeting by Conference ID, has the effect of chatting quietly in a small group during a larger meeting under centralized meeting framework, can have different little meetings with different people simultaneously, convenient management.
For the meeting described in the present invention, comprise video conference, audio conferencing, data conferencing etc., below with audio conferencing row for an application example.
Shown in Figure 2, Fig. 2 is the call flow diagram of the point-to-point meeting of an embodiment, wherein A, B and C represents a SIP UA respectively, first A transmission carries the invite message of Conference ID to B, connect after B response (200), then B maintains by A, after B response (200), A transmission carries the invite message of Conference ID to C, again B is joined in this audio frequency after C response (200), formally hold audio conferencing, A can pass through Conference ID and the personnel participating in the meeting of different meeting be shown clearly on interface, conference management can also be carried out according to different Conference ID, A is responsible for B, the voice data (p) of C carries out audio mixing (mix), voice data after audio mixing is sent to B by A again, C, realize A, Three-Way Calling between B and C.
Here is a sip message example with Conference ID:
INVITE sip:bob@biloxi.com SIP/2.0
Via:SIP/2.0/UDP pc33.atlanta.com;branch=z9hG4bKnashds8
To:Bob<bob@biloxi.com>
From:Alice<alice@atlanta.com>;tag=1928301774
Call-ID:a84b4c76e66710
CSeq:314159 INVITE
Max-Forwards:70
Date:Thu,21 Feb 2002 13:02:03 GMT
Contact:<sip:alice@pc33.atlanta.com>
Content-Type:application/sdp
Content-Length:165
v=0
o=UserA 2890844526 2890844526 IN IP4 here.com
s=Session SDP
c=IN IP4 pc33.atlanta.com
t=00
m=audio 49172 RTP/AVP 0
a=rtpmap:0 PCMU/8000
a=ConfID:room1001
Shown in Figure 3, Fig. 3 is the process chart of the notify message of an embodiment, and first A connection B and C, B and C enter after the meeting, and A sends notify message to B, carries the body information of C information; A sends notify to C, carries the body information of B information, when C exits, initiatively sends notify message to A and B, and report C has exited meeting.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (8)
1., based on a distributed conference method for Session Initiation Protocol, it is characterized in that, comprise the steps:
Preset the Conference ID of each meeting, set up the connection between meeting promoter and the meeting participant of each meeting according to described Conference ID; Specifically comprise: in meeting connection procedure, meeting promoter is according to the Conference ID preset, and the meeting participant respectively to each meeting sends invite message, and wherein, the SDP session attribute of the invite message sent comprises the Conference ID of meeting participant; Meeting participant obtains the Conference ID of self place meeting according to described invite message, and returns confirmation to described meeting promoter;
Carry out in process in meeting, meeting promoter sends the first notice of meeting according to described Conference ID to meeting participant, specifically comprise: meeting promoter sends a notify message with the time interval of setting to meeting participant according to described Conference ID, wherein, a described notify message carries body message body, and body message body comprises the attribute information of other meeting participant outside target meeting participant;
Meeting participant according to described first notice of meeting obtain the attribute information of other meeting participant in a meeting.
2. the distributed conference method based on Session Initiation Protocol according to claim 1, is characterized in that, also comprise:
According to described Conference ID, the attribute information of each meeting is presented on the interface of meeting promoter with different windows, and in described window, shows the attribute information of the meeting participant of each meeting.
3. the distributed conference method based on Session Initiation Protocol according to claim 1, is characterized in that, also comprise:
The attribute information of Conference ID and other meeting participant is shown on meeting participant interface.
4. the distributed conference method based on Session Initiation Protocol according to claim 1, is characterized in that, also comprise:
When there being meeting participant to exit meeting, this meeting participant exiting meeting sends the second notice of meeting to described meeting promoter, and wherein, described second notice of meeting comprises the report information exiting meeting;
When described meeting promoter receives described second notice of meeting, find out according to described Conference ID the window that this exits the meeting participant of meeting, and its attribute information is deleted from window.
5. the distributed conference method based on Session Initiation Protocol according to claim 4, is characterized in that, described in exit meeting meeting participant also send other meeting participant in the second notice of meeting to same meeting according to Conference ID;
When other meeting participant receives described second notice of meeting, the attribute information this being exited the meeting participant of meeting is deleted from meeting participant interface.
6. the distributed conference method based on Session Initiation Protocol according to claim 1, is characterized in that, also comprise:
When the meeting switching command that meeting promoter receives, corresponding meeting and current ongoing meeting is selected to switch according to described Conference ID.
7. the distributed conference method based on Session Initiation Protocol according to claim 1, is characterized in that, described body information design becomes XML file form.
8. the distributed conference method based on Session Initiation Protocol according to claim 1, it is characterized in that, described meeting comprises video conference, audio conferencing or data conferencing.
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| CN104052956B (en) * | 2013-03-15 | 2017-07-25 | 联想(北京)有限公司 | A kind of method of information processing and a kind of videoconference server |
| CN104580247A (en) * | 2015-01-27 | 2015-04-29 | 宇龙计算机通信科技(深圳)有限公司 | Information synchronization method and information synchronization device based on IMS multi-party calls |
| CN105553679A (en) * | 2015-06-30 | 2016-05-04 | 宇龙计算机通信科技(深圳)有限公司 | Information push method and system, and server |
| CN111080238A (en) * | 2019-11-28 | 2020-04-28 | 上海云思智慧信息技术有限公司 | Conference process control method, conference process control device, storage medium and electronic equipment |
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| CN101505226A (en) * | 2009-02-25 | 2009-08-12 | 中国联合网络通信集团有限公司 | Multimedia communication interaction system and method |
| CN102111603A (en) * | 2009-12-23 | 2011-06-29 | 中国移动通信集团公司 | Method for realizing sub-conference in IMS video conference, and device and system thereof |
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