CN101374175B - Admission method and system for audio/video conference of IMS/NGN network - Google Patents
Admission method and system for audio/video conference of IMS/NGN network Download PDFInfo
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- CN101374175B CN101374175B CN2008101672462A CN200810167246A CN101374175B CN 101374175 B CN101374175 B CN 101374175B CN 2008101672462 A CN2008101672462 A CN 2008101672462A CN 200810167246 A CN200810167246 A CN 200810167246A CN 101374175 B CN101374175 B CN 101374175B
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Abstract
The invention discloses a more flexible participant method and a system for an audio/ a video conference in an IMS/ an NGN network, and is applicable to an occasion where both a user who requests to participate in the conference and a conference creator has simultaneously signed a call-type service and a conference service. The technical proposal of the invention thereof mainly comprises the following steps: A. the user who requests to participate in the conference dials the number of the conference creator, so as to trigger the call-type service; B. when the current state of the called partymeets a preset condition, the call-type service informs the called party of the call request; C. the called party decides whether the calling party is permitted to participate in the conference or not, and the participant flow is ended if not permitted; if permitted, the called party informs the requirement of the conference service to add the calling party in the conference; the call is continuously kept in the call-type service until the calling party participate in the conference; and D. the calling party is added in the conference by the conference service. The preset condition in step B can be that the called party is carrying out the audio/ the video conference at present and is the chairman of the conference.
Description
Technical field
The invention belongs to the value-added telecom services technical field, relate in particular to the admission method and the system of IMS/NGN network sound intermediate frequency/video conference.
Background technology
NGN (Next Generation Network, next generation network) is a packet network, it provides the multiple business that comprises telecommunication service, can utilize various bandwidth and have service quality (Qos, Quality of Service) transmission technology of ability realizes separating of business function and bottom transmission technology, and it provides the user freely inserting different business provider network, and the support universal mobility, realize consistency and uniformity that the user uses business.But realize in the NGN network that various supplementary services still need to rely on various AS (Application Server, application server) to finish.
At IMS (IP Multimedia Subsystem, IP Multimedia System) in the network domains, 3GPP (Third Generation Partnership Project, third generation partner program) tissue expansion and revised IETF (Internet Engineering Task Force, Internet engineering duty group) Ding Yi Session Initiation Protocol (Session Initiation Protocol, session initiation protocol).IMS adopts the bearer path of IP packet domain as its control signaling and media delivery, adopts Session Initiation Protocol as call signaling.But IMS itself is not a service, realizes that in IMS various supplementary services need rely on various AS to finish.
In existing audio/video conference technology based on the IMS/NGN network, when a customer active joining conference, its implementation is: by the INVITE in the Session Initiation Protocol, the request that will be added meeting by the user sends to the convention business server, and comprise conference flow access code and meeting-place sign, the convention business server adds meeting to this user and handles according to the content of request message.
This method controllability is relatively poor; And whole flow process underaction, autgmentability is also relatively poor.Under the application scenarios of complexity, this method can't realize the nested use with other IN service.
Summary of the invention
The technical problem to be solved in the present invention provides the admission method and the system of a kind of network of IMS/NGN more flexibly sound intermediate frequency/video conference.The inventive method/system applies is in requiring initiatively to add the user of meeting and the occasion that conference creation person uses signatory simultaneously per family calling class service and convention business.
For solving the problems of the technologies described above, IMS/NGN network sound intermediate frequency of the present invention/video conference admission method comprises the steps:
Steps A, the described number that need initiatively add the described conference creation person user of customer call of meeting, thus calling class service triggered;
Step B, when the called subscriber is just carrying out audio/video conference at present and is being this chairman, calling class service is notified this called subscriber with call request, and carries out subsequent step;
Whether step C, described called subscriber decision allow the calling subscriber to add this meeting, if do not allow to add this meeting, then finish the affiliation flow process;
If allow to add this meeting, then described called subscriber's notification of meetings service needed joins this meeting with this calling subscriber; And calling class service continues to keep this calling, adds in this meeting up to described calling subscriber;
Step D, convention business add described calling subscriber in this meeting.
Among the step B, calling class service can be notified described called subscriber with described call request by sending MESSAGE message.
Among the step C, the concrete grammar of described process ends is answered this calling for refusal and maybe other user is arrived in this Call Forwarding.
Among the step C, described called subscriber comes the notification of meetings business by sending REFER message to the convention business server.
For solving the problems of the technologies described above, IMS/NGN network sound intermediate frequency of the present invention/video conference affiliation system comprises calling class service system and conference service system;
Wherein, the calling class service system is used for: the number that initiatively adds the customer call conference creation person user of meeting when needs, and when this called subscriber is just carrying out audio/video conference at present and is being this chairman, notify described called subscriber with calling subscriber's call request, whether allow described calling subscriber to add this meeting by described called subscriber's decision; If the called subscriber allows described calling subscriber to add this meeting, then continue to keep this calling, add in this meeting up to described calling subscriber;
Conference service system is used for: when receiving that requirement that described called subscriber sends adds the notice of this meeting with described calling subscriber, described calling subscriber is joined in this meeting.
Beneficial effect of the present invention is:
The present invention is nested with convention business to realize the affiliation of IMS/NGN network sound intermediate frequency/video conference with calling class service, in the inventive method/system, when audio/video conference founder user disagrees with that the user of application adding meeting joins, can directly discharge this user's calling, also can be with this Call Forwarding to other user, make the inventive method/system more flexible, autgmentability is better, is convenient to modularized design.
Description of drawings
Fig. 1 is a system configuration schematic diagram of the present invention;
Fig. 2 is the inventive method schematic flow sheet;
Fig. 3 is the flow chart of a specific embodiment of the inventive method.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
The objective of the invention is under the IMS/NGN network environment,, adopt Session Initiation Protocol, the method for user's affiliation under the nested situation with calling class service of a kind of convention business is provided by possessing the AS of calling class service and convention business function.User and conference creation person that the present invention need initiatively add meeting use signatory simultaneously per family calling class service and convention business, and these two users need be in the IMS/NGN network environment support Session Initiation Protocol.The service logic of calling class service and convention business realizes by AS.With under the IMS/NGN network environment, the affiliation of audio conferencing is an example, and the inventive method/system is described below.The affiliation scheme of video conference can easily be analogized and obtains, and hereinafter repeats no more.
The realization of technical solution of the present invention, the user who at first needs to add meeting dials chairman's number, trigger calling class service, calling class service is by sending the request of MESSAGE message informing chairman caller, if the chairman allows the calling subscriber is added meeting, then send REFER message informing Conference server, Conference server receives after this message that the session with this calling terminal directly adds in the existing meeting.If the chairman does not allow the calling subscriber is added meeting, then calling class service can be selected to answer changeing before this phone or refusing.
Fig. 1 is the structural representation of system of the present invention, and as shown in the figure, system of the present invention comprises calling class service system and conference service system.Wherein conference service system comprises and draws together convention business server and conferencing resource media server, and the calling class service system comprises call business server and call business media server.
The convention business server is used for realizing: the service logic control of convention business; The preservation of convention business data and inquiry; Control to the conferencing resource media server; And to the control of terminal use's meeting authority.
The conferencing resource media server is used for carrying out Signalling exchange with the convention business server, according to the requirement of convention business server controls, realizes the control to conference voice stream.
The call business server is used for realizing: the service logic control of calling class service; The preservation of calling class service data and inquiry; Control to the call business media server; And the control of the terminal use being called out authority.
The call business media server is used for carrying out Signalling exchange with the call business server, and according to the requirement of call business server controls, realization is to the basic call playback or realize other function.
Thus, the MRS that the present invention relates to (Media Resource Server, Media Resource Server) mainly comprises conferencing resource media server and call business media server.
In Fig. 1, UE represents calling/called terminal.Wherein, UE_A is a calling terminal, and expression need initiatively add the user of meeting, and UE_B is a terminal called, expression conference creation person user, i.e. chairman's terminal.
AS represents application server, possesses convention business logic and calling class service logic in the present embodiment simultaneously.
The IMS/NGN network is realized the basic session routing function.
Fig. 2 is the inventive method schematic flow sheet, and as shown in the figure, the inventive method comprises the steps:
A) need initiatively add the customer call conference creation person user's of meeting number, at first trigger calling class service.The caller ring-back tone of eavesdropping.
B) calling class service is by analyzing session operation note of called subscriber etc., judges that the called subscriber is carrying out audio conferencing and is this chairman, then call request issued the called subscriber by MESSAGE message.Call business need wait for that called chairman is to this request responding simultaneously.
In this step, also can need only called subscriber busy, calling class service is just issued the called subscriber with call request by MESSAGE message, and then judges whether the called subscriber is carrying out audio conferencing and be this chairman.Under this kind execution mode, when the called subscriber handles this request, if, then do not exist permission caller to be added the situation of meeting though not carry out audio conferencing or carry out audio conferencing be not this chairman for it.
C) after the called subscriber receives MSEESGE message, can select to call out add meeting or before go to other user or refusal is answered.
D) if the called subscriber selects this Call Forwarding is then controlled by calling class service, caller is not added into meeting.Calling class service then continues follow-up flow process.
E) if called selection directly adds meeting with the user, then called at first notification call class service needed adds meeting with caller, and calling class service this moment can call release or forwarded calls, but continues to keep putting ring-back tone.The chairman sends out REFER message informing convention business server simultaneously, by the conferencing information of convention business according to the meeting of called subscriber place, replys the 200OK response to the calling subscriber and finishes ring, and this caller session is added in the meeting.After this calling class service is no longer controlled the calling subscriber.
F) if called selection refusal is answered, then calling class service discharges this calling.
According to method provided by the invention, step c) further comprises:
C1) after the called subscriber receives call request,, offer the selection whether one of called subscriber will call out switching according to the calling class service flow process.
C2) simultaneously, after the called subscriber receives call request, according to it just in session and be chairman's state, offer the selection whether one of called subscriber directly adds caller meeting.
C3) simultaneously, after the called subscriber receives call request,, offer the selection whether one of called subscriber answers this call denial according to the calling class service flow process.
According to method provided by the invention, step e) further comprises:
E1) after the called subscriber has selected the calling subscriber added meeting, respond to calling class service.Calling class service is still done ring to this calling and is handled, and waits for the response of convention business.
E2) after the called subscriber has selected caller added meeting, send REFER message, report calling leg information to the convention business server.
E3) the calling leg information that reports according to the called subscriber of convention business is among this calling leg add-on conference all.And to calling class service answer 200OK response, calling class service finishes the control to this calling.
E4) the convention business server is initiated the negotiation that RE-INVITE message realizes IMS conference medium and caller medium to the calling subscriber, to realize this caller is added the purpose of meeting.
Fig. 3 is the flow chart of a specific embodiment of the inventive method, and as shown in the figure, the inventive method specifically comprises the steps:
Step 1:UE_A sends INVITE to the call business server, calls out UE_B;
Step 2: the call business server is received back time 100 responses;
Step 3: the call business server is initiated INVITE and is given the call business media server, so that calling UE _ A is put ring-back tone;
Step 4: the call business media server returns 100 responses;
Step 5: the call business media server returns the 200OK response and is with the media information of putting ring-back tone;
Step 6: the call business server sends 183 message and with the media information of going up the media server playback to UE_A;
Step 7:UE_A returns PRACK message;
Step 8: the call business server returns 200OK message response PRACK;
Step 9: the call business server learns that according to the call state of the UE_B that stores it is in busy condition, sends MESSAGE message informing UE_B, has new calling to come in, and carries new calling UE_A session leg band and give UE_B;
Step 10:UE_B receives to echo after the message message and answers 200OK;
Step 11:UE_B, selects the calling of UE_A is added in the meeting concurrent message message informing call business server just in meeting and be chairman's state according to it;
Step 12: the call business server returns 200OK response, and according to the information of the adding meeting that comprises in the MESSAGE message, caller is done the processing that continues to wait for the convention business response;
Step 13: the call business server receives that the back sends bye message stops Calling Side to the call business media server 183 playbacks;
Step 14: the call business media server returns the 200OK response playback leg is discharged;
Step 15:UE_B sends REFER and asks to the convention business server, and has the session leg band information of receiving in the step 9, and request adds meeting with UE_A;
Step 16: the convention business server receives that the back is that UE_B returns the 200OK response to the chairman;
Step 17: the leg band that the convention business server is called out according to the UE_A that receives adds this calling leg in the meeting, and returns called off-hook 200OK response to UE_A; Calling class service finishes the control to the caller session;
Step 18:UE_A returns ACK after receiving 200OK;
Step 19: the convention business server sends RE-INVITE and asks to UE_A to obtain the medium of UE_A;
Step 20:UE_A returns 100 responses;
Step 21:UE_A sends 200OK message and carries its media information to the convention business server;
Step 22: the convention business server sends to the conferencing resource media server with the media information of UE_A by INVITE;
Step 23: the conferencing resource media server returns 100 responses;
Step 24: the conferencing resource media server returns 200OK response, and carries the IMS conference medium information of the meeting that current UE _ B holding;
Step 25: the convention business server sends ACK to the conferencing resource media server;
Step 26: convention business server transmission ACK is to UE_A and carry the media information in meeting-place that UE_B holds, to realize UE_A is added the purpose in meeting-place.
Above-described specific embodiment, purpose of the present invention, technical scheme and beneficial effect are further described, institute it should be noted, the above only is specific embodiments of the invention, and 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, if of the present invention these are revised and modification belongs within the scope of the technical scheme of claim record of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (5)
1. IMS/NGN network sound intermediate frequency/video conference admission method is applied to require initiatively to add the user of meeting and the occasion that conference creation person uses signatory simultaneously per family calling class service and convention business, it is characterized in that comprising the steps:
Steps A, the described number that need initiatively add the described conference creation person user of customer call of meeting, thus calling class service triggered;
Step B, when the called subscriber is just carrying out audio/video conference at present and is being this chairman, calling class service is notified this called subscriber with call request, and carries out subsequent step;
Whether step C, described called subscriber decision allow the calling subscriber to add this meeting, if do not allow to add this meeting, then finish the affiliation flow process;
If allow to add this meeting, then described called subscriber's notification of meetings service needed joins this meeting with this calling subscriber; And calling class service continues to keep this calling, adds in this meeting up to described calling subscriber;
Step D, convention business add described calling subscriber in this meeting.
2. IMS/NGN network sound intermediate frequency according to claim 1/video conference admission method is characterized in that:
Among the step B, calling class service is notified described called subscriber by sending MESSAGE message with described call request.
3. IMS/NGN network sound intermediate frequency according to claim 1/video conference admission method is characterized in that:
Among the step C, described called subscriber comes the notification of meetings business by sending REFER message to the convention business server.
4. according to claim 1 or 2 or 3 described IMS/NGN network sound intermediate frequency/video conference admission methods, it is characterized in that:
Among the step C, the concrete grammar of described process ends is answered this calling for refusal and maybe other user is arrived in this Call Forwarding.
5. IMS/NGN network sound intermediate frequency/video conference affiliation system is applied to require initiatively to add the user of meeting and the occasion that conference creation person uses signatory simultaneously per family calling class service and convention business, it is characterized in that:
This system comprises calling class service system and conference service system;
Wherein, the calling class service system is used for: the number that initiatively adds the customer call conference creation person user of meeting when needs, and when this called subscriber is just carrying out audio/video conference at present and is being this chairman, notify described called subscriber with calling subscriber's call request, whether allow described calling subscriber to add this meeting by described called subscriber's decision; If the called subscriber allows described calling subscriber to add this meeting, then continue to keep this calling, add in this meeting up to described calling subscriber;
Conference service system is used for: when receiving that requirement that described called subscriber sends adds the notice of this meeting with described calling subscriber, described calling subscriber is joined in this meeting.
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| CN2008101672462A CN101374175B (en) | 2008-10-16 | 2008-10-16 | Admission method and system for audio/video conference of IMS/NGN network |
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| CN2008101672462A CN101374175B (en) | 2008-10-16 | 2008-10-16 | Admission method and system for audio/video conference of IMS/NGN network |
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| JP6019920B2 (en) * | 2012-08-17 | 2016-11-02 | 株式会社リコー | Management system and program |
| CN103813035A (en) | 2012-11-14 | 2014-05-21 | 中兴通讯股份有限公司 | Meeting accessing method and device |
| CN104580777A (en) * | 2015-01-16 | 2015-04-29 | 四川联友电讯技术有限公司 | Telephone conference system conventioner back-dial access method |
| CN106488173B (en) * | 2015-08-26 | 2019-10-11 | 宇龙计算机通信科技(深圳)有限公司 | A kind of implementation method, device and the relevant device of mobile terminal video meeting |
| CN110365932B (en) * | 2019-06-11 | 2024-03-08 | 聚好看科技股份有限公司 | Video call system method and device |
| WO2020248627A1 (en) | 2019-06-11 | 2020-12-17 | 聚好看科技股份有限公司 | Video call method and display device |
| CN112398808A (en) * | 2020-09-28 | 2021-02-23 | 视联动力信息技术股份有限公司 | Terminal call-in method, device, equipment and storage medium based on video network |
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| CN1889609A (en) * | 2005-06-30 | 2007-01-03 | 华为技术有限公司 | Telephone conference realizing method |
| CN101150424A (en) * | 2007-10-15 | 2008-03-26 | 中兴通讯股份有限公司 | Method for batch conference member addition after conference service creation |
| CN101159787A (en) * | 2007-11-07 | 2008-04-09 | 中兴通讯股份有限公司 | Soft switching communication system and method of implementing session service |
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| CN1889609A (en) * | 2005-06-30 | 2007-01-03 | 华为技术有限公司 | Telephone conference realizing method |
| CN101150424A (en) * | 2007-10-15 | 2008-03-26 | 中兴通讯股份有限公司 | Method for batch conference member addition after conference service creation |
| CN101159787A (en) * | 2007-11-07 | 2008-04-09 | 中兴通讯股份有限公司 | Soft switching communication system and method of implementing session service |
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