CN1214635C - Conference dispatching system and method of IP network meeting TV-set - Google Patents
Conference dispatching system and method of IP network meeting TV-set Download PDFInfo
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- CN1214635C CN1214635C CNB021187924A CN02118792A CN1214635C CN 1214635 C CN1214635 C CN 1214635C CN B021187924 A CNB021187924 A CN B021187924A CN 02118792 A CN02118792 A CN 02118792A CN 1214635 C CN1214635 C CN 1214635C
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Abstract
The present invention relates to a conference dispatching system for an IP network conference television and a method. The conference dispatching system comprises top gatekeepers (GK), first-grade gatekeepers (GK), multi-point control devices (MCU) and H. 323 terminals, and the top gatekeepers (GK), the first-grade gatekeepers, the multi-point control devices and the H323 terminals are devices specified by an H. 323 protocol; communication protocols between the GK and the MCU, between the GK and the H323 terminals, between the GK of the same grade and between the first-grade GK and the top GK adopt an H. 323 standard protocol for expansion. The networking structure of an IP network conference television system is a grading networking management structure; the MCU and the H. 323 terminals are managed by the top GK or the first-grade GK; therefore, conference resources of an entire network can be singly used according to GK grades and can be used in a resource share mode; in this way, the extensibility and the interoperability of the entire IP network conference television system are greatly enhanced. Besides, each GK is provided with an authentication and dispatching interface, which guarantees that the IP network conference television system can conveniently realize standard interfaces with an AAA server, an Internet Content Provider (ICP) and an IP intelligent network.
Description
Technical field
The present invention relates to the video conference field, more particularly, the present invention relates to a kind ofly have the multiple spot scheduling feature and expand the conference dispatching system and the method for IP network video conferencing easily.
Technical background
Along with the continuous development of network technology, people just want to carry out aspectant interchange by network, so, IP based network, can provide the TV conference system of communication functions such as real-time, quick, mutual image, voice, data just to arise at the historic moment.
The current IP network TV conference system generally is applied in private network and enterprises, its common networking mode has two kinds: built-in IP network TV conference system (see figure 1), external IP network TV conference system (see figure 2), introduce the IP network TV conference system of these two kinds of different networking modes below:
The difference of two kinds of systems is: the conference dispatching equipment of built-in IP network TV conference system is built-in; And the conference dispatching equipment of external IP network TV conference system is external.
No matter conference dispatching equipment is built-in or external, these two kinds of IP network TV conference system all are by inner proprietary protocol management MCU (Multiple Control Unit), and be to manage the scheduling that a plurality of MCU carry out meeting concentratedly with a special conference dispatching equipment, its concrete scheduling process is as follows:
A, user be at first in meeting of conference dispatching device reservation, defines terminal meeting-place number in the bandwidth, meeting of meeting, and the time of holding and the concluding time of meeting;
B, the user carries out the conference dispatching operation at conference dispatching equipment then, conference dispatching equipment judges according to the operating position of MCU, GK (gatekeeper), terminal in the time of meeting whether resource is enough, if enough then conference reservation success, otherwise conference reservation is unsuccessful.After preengaging successfully, the meeting of having preengage under the conference dispatching equipment records;
C, arrive when the meeting time of holding, conference dispatching equipment is handed down to MCU and GK to conferencing information automatically, and the MCU calling terminal joins on the MCU terminal and holds a meeting then;
In D, the conference process, conference dispatching equipment can be given MCU by transmitting order to lower levels, increases or the deletion meeting-place, switches operations such as meeting field picture;
E, when meeting adjourned when the time reaches, conference dispatching equipment transmitting order to lower levels makes that meeting adjourned, MCU and GK discharge the resource that meeting takies simultaneously.
But because above-mentioned two kinds of networking modes all are by inner proprietary protocol management MCU, and what adopt is to carry out conference dispatching with the mode that a special conference dispatching equipment is managed a plurality of MCU concentratedly, so the two all has following shortcoming:
1. the communication protocol between the equipment of conference dispatching equipment and ITU-T.H.323 agreement regulation does not belong to H.323 agreement of standard;
2. whole resources are only by a conference dispatching equipment control, and are higher to the performance and the security requirement of conference dispatching equipment;
3. scalability and intercommunication poor performance, different manufacturers video conferencing equipment room is difficult to intercom mutually;
4. only be applicable to the inner use of private network, can't realize cross-region, classification and international public's conferencing over ip television services.
Summary of the invention
The equipment that the purpose of this invention is to provide a kind of conference dispatching equipment and ITU-T.H.323 agreement regulation all belongs to the standard H.323 conference dispatching system and the method for protocol of I P Web conference TV.
Another object of the present invention provides a kind of scalability and the intercommunication performance is all good, can be in the conference dispatching system and the method for the IP network video conferencing of different manufacturers video conferencing equipment room mutual communication.
A further object of the present invention provides and a kind ofly can be applicable to private network, can realize cross-region, classification and international public's conferencing over ip television services again, and to the conference dispatching system and the method for the low IP network video conferencing of the performance of video conferencing controlling equipment and security requirement.
To achieve these goals, the present invention has adopted following technical scheme:
Conferencing over ip television system of the present invention, include: top GK (gatekeeper), one-level GK, MCU (Multiple Control Unit) and H 323 terminals, and these equipment all are the equipment of agreement defined H.323, between GK and the MCU, GK and H.323 between the terminal, between the GK at the same level, H.323 the communication protocol between one-level GK and the top GK all adopt standard agreement to expand.Conferencing over ip television system networking structure of the present invention is rank groups net management structure, MCU and H.323 terminal all be to manage by top GK or one-level GK, make the conferencing resource of the whole network to use separately according to the GK classification, the shared use of resource be can realize again, and then the extensibility and the interoperability of whole system strengthened greatly.In addition, each GK also provides authentication and dispatch interface, and then guaranteed that IP network TV conference system of the present invention can make things convenient for and AAA (Authentication, Authorization, and Accounting: checking, authorization and accounting) realizes standard interface between server, ICP and the IP intelligent network, satisfy the needs of public's conferencing over ip TV operation.
Because the present invention has adopted above technical scheme, so have following advantage:
1, do not resemble owing to adopt GK to be used as conference dispatching equipment in the legacy system with conference dispatching equipment special and that manage by inner proprietary protocol, and the GK among the present invention and what H.323 all adopt between the terminal is Extended Protocol H.323, so when the user in meeting, use number of the account authentication, conference reservation, when video conferencing service such as call a meeting is movable, the GK in the system can according to the meeting resource requirement to the MCU that administered or H.323 terminal reserve, distribute and dispatch.
2, be the H323 Extended Protocol owing to what adopt between GK and the MCU, so GK can manage the conferencing resource of MCU, analyze and understand the resource operating position of MCU in the scope sometime, and the related command information of meeting is handed down to MCU, and then realizes that the user holds a meeting, closing session, adding meeting, leave function such as meeting.
3, because what adopt between GK and the GK is Extended Protocol H.323, so can realize striding the conference dispatching function in GK zone easily.
4, owing to having adopted the networking mode of secondary GK structure, so can realize that conferencing resource is shared the function of dispatching between the different operators.
5, because each GK all provides authentication interface, so can realize number of the account authentication functions to the user.
6, owing on every GK, all provide dispatch interface, so can realize IP network TV conference system and WEB Server, ICP on the internet (Internet ContentProvider: ICP) and the IP intelligent network communicate, to satisfy the needs of commercial affairs operation.
Description of drawings
Fig. 1 is traditional built-in IP network TV conference system;
Fig. 2 is traditional external IP network TV conference system;
Fig. 3 is a conferencing over ip television system networking diagram of the present invention;
Fig. 4 is the flow chart of conference reservation dispatching method under the same one-level GK in the conferencing over ip television system of the present invention;
Fig. 5 is the flow chart of same one-level GK down meeting adjourned dispatching method in the conferencing over ip television system of the present invention;
Fig. 6 is the flow chart of the conference reservation dispatching method between different GK under the same top GK in the conferencing over ip television system of the present invention;
Fig. 7 is the flow chart of the conference reservation dispatching method between different top GK in the conferencing over ip television system of the present invention;
Fig. 8 is the flow chart that terminal is invited another joining meeting to terminal method in the conferencing over ip television system of the present invention;
Fig. 9 is that a terminal makes another terminal of having joined leave the flow chart of conference method in the conferencing over ip television system of the present invention;
Figure 10 is that this is the flow chart that carries out the conference reservation dispatching method in the bright conferencing over ip television system by the dispatch interface of GK.
Embodiment
Please refer to Fig. 3, conferencing over ip television system of the present invention includes: top GK, one-level GK, MCU reach H.323 terminal, these equipment all are the equipment of agreement defined H.323, between GK and the MCU, GK and H.323 between the terminal, between the GK at the same level, H.323 the communication protocol between one-level GK and the top GK all adopt standard agreement to expand.Conferencing over ip television system networking structure of the present invention is rank groups net management structure, MCU and H.323 terminal all be to manage by top GK or one-level GK, this makes the conferencing resource of the whole network to use separately according to the GK classification, the shared use of resource be can realize again, and then the extensibility and the interoperability of whole system strengthened greatly.In addition, each GK also provides authentication and dispatch interface, and then guaranteed that IP network TV conference system of the present invention can make things convenient for and AAA (Authentication, Authorization, and Accounting: checking, authorization and accounting) realizes standard interface between server, ICP and the IP intelligent network.
In the present invention, GK is for realizing the conferencing resource scheduling, and the agreement of being expanded on the basis of H 323 standard agreements relates generally to H.225 RAS agreement of ITU-T.Owing to be to utilize H 323 agreements of standard to expand, and the mode of expansion also is to defer to H.323 that agreement regulation extended field carries out, so the agreement after the expansion can't have influence on the processing of original standard agreement.Below be the agreement of the present invention expansion:
(1) ARQ/ACF/ARJ: be applicable to (ARQ:Admission Request between GK and H 323 terminal rooms, GK and MCU; ACF:Admission Confirm; ARJ:AdmissionReject);
(2) LRQ/LCF/LRJ: be applicable between one-level GK, (LRQ:Location Request between one-level GK and top GK, between GK and WEB Server, ICP or IP intelligent network; LCF:Location Confirm; LRJ:Location Reject).
In addition, H.225 one-level GK and top GK can also adopt the ANNEXG agreement to expand between one-level GK; Agreement between GK and the aaa server is standard Radius agreement (RFC2685, RFC2687), because above-mentioned expansion and agreement has been known technology all, so just be not described in detail at this.
Below in conjunction with Fig. 4 to Figure 10, several processing methods that conferencing over ip television system of the present invention is dispatched and controlled the conferencing over ip resource are described in detail:
First kind: the method for conference reservation scheduling under the same one-level GK
Please refer to Fig. 4, be the method for conference reservation scheduling under the same one-level GK, specific as follows:
1a. meeting of terminal 1 request reservation sends the ARQ signaling that has number of the account and password to one-level GK1;
1b. one-level GK1 initiates authentication request Account Request message according to user's number of the account and password to aaa server;
1c.AAA server carries out authentication to number of the account and password, if allow its meeting, then returns Account Response message;
1d. if allow user's preset conference, then one-level GK1 returns the ACF signaling, otherwise returns ARJ signaling refusal;
1e. terminal 1 sends the ARQ signaling that has conferencing information to one-level GK1;
1f. one-level GK1 extracts conferencing information from the ARQ signaling, and carry out scheduling of resource and calculate, if resource is enough, then carry out resource reservation, and return the ACF signaling and give terminal 1, write down information such as the resource allocation conditions of this preset conference and meeting initial sum termination time simultaneously; If inadequate resource, then one-level GK1 returns the ARJ signaling;
1g. when the meeting time of holding arrived, one-level GK1 sent the ARQ signaling to MCU, the terminal that meeting is related to can field information send to MCU, and order MCU begins meeting;
1h.MCU after receiving the order of one-level GK1,, send the Setup call signaling to terminal 1 according to terminal meeting field information, set up with terminal 1 and call out, make terminal 1 add meeting.
MCU calls out affiliation to every other terminal in the meeting equally according to this step, finishes holding of meeting.
Second kind: the same one-level GK method that meeting adjourned dispatches down
Please refer to Fig. 5, be the same one-level GK method that meeting adjourned dispatches down, specific as follows:
2a. terminal 1 request closing session sends the ARQ signaling that has number of the account and password to one-level GK1;
2b. one-level GK1 initiates authentication request Account Request message according to user's number of the account and password to aaa server;
2c.AAA server carries out authentication to number of the account and password, if allow its closing session, then returns Account Response message;
2d. allow user's closing session, then one-level GK1 returns the ACF signaling;
2e. terminal 1 sends the ARQ signaling that has closing session information to one-level GK1;
2f. one-level GK1 extracts the conferencing information that will finish from the ARQ signaling, send the ARQ signaling of closing session to MCU;
After the order that 2g MCU receives that meeting adjourned, send the disconnect signaling to all meeting-place terminals, make all terminals leave meeting, MCU discharges the resource that meeting takies simultaneously;
Give one-level GK1 2h.MCU return the ACF signaling after the closing session;
2i. one-level GK1 receives the ACF signaling of closing session, discharges the conferencing information that is kept on the one-level GK1, and returns the ACF signaling and give terminal 1, makes terminal 1 leave meeting.
The third: the conference reservation dispatching method under the same top GK between different GK
Please refer to Fig. 6, under same top GK, the conference reservation dispatching method between one-level GK, between one-level GK and top GK, specific as follows:
3a. meeting of terminal 1 request reservation sends the ARQ signaling that has number of the account and password to one-level GK1;
3b. one-level GK1 initiates authentication request Account Request message according to user's number of the account and password to aaa server;
3c.AAA server carries out authentication to number of the account and password, if allow its meeting, then returns Account Response message;
3d. if allow user's preset conference, then one-level GK1 returns the ACF signaling.Otherwise return ARJ signaling refusal;
3e. terminal 1 sends the ARQ signaling that has conferencing information to one-level GK1;
3f. one-level GK1 extracts conferencing information from the ARQ signaling, conferencing information is analyzed, and finds that meeting relates to other meeting-place and belongs to one-level GK2 management, just sends the LRQ signaling that has the meeting-place resource request information to one-level GK2;
3g. after one-level GK2 receives the LRQ signaling that has resource request,, judge whether availablely,, and return the LCF signaling and give one-level GK1 if available then reserve according to the operating position of meeting-place resource.If the meeting-place resource is unavailable, then returns the LRJ signaling and give one-level GK1;
3h. one-level GK1 is except distributing self-administered resource, after the LCF signaling of receiving, think that all meeting meeting-place resource allocations are successful, record conferencing resource information and initial termination time of meeting, return the ACF signaling to terminal 1 then, the success of expression conference reservation.If one-level GK1 finds the inadequate resource of oneself or receives the LRJ signaling, then return the ARJ signaling and give terminal 1, the failure of expression conference reservation;
3i. when the meeting time of holding arrived, one-level GK1 sent the ARQ signaling to MCU, the terminal that preset conference is related to can field information send to MCU, and order MCU begins meeting.
3j.MCU after receiving the order of one-level GK1, according to terminal meeting field information, send the Setup call signaling to terminal 1, continue then follow-up Q.931, H.245, protocol processes process (not elaborating in this invention) such as RTP, thereby make terminal 1 add meeting;
3k.MCU also comprise the conferencing resource of one-level GK2 in the conferencing information of receiving, just send the Setup call signaling to one-level GK2, one-level GK2 is transmitted to terminal 2 to the Setup call signaling, continue then follow-up Q.931, H.245, protocol processes process such as RTP, thereby make terminal 2 add meetings.
The 4th kind: the conference reservation dispatching method between different top GK
Please refer to Fig. 7, be the conference reservation dispatching method between the top GK of difference, in this scheduling, the GK that relates to has: one-level GK1, top GK1, one-level GK2, top GK2, specific as follows:
4a. meeting of terminal 1 request reservation sends the ARQ signaling that has number of the account and password to one-level GK1;
4b. one-level GK1 initiates authentication request Account Request message according to user's number of the account and password to aaa server;
4c.AAA server carries out authentication to number of the account and password, if allow its meeting, then returns Account Response message;
4d. if allow user's preset conference, then one-level GK1 returns the ACF signaling.Otherwise return ARJ signaling refusal;
4e. terminal 1 sends the ARQ signaling that has conferencing information to one-level GK1;
4f. one-level GK1 extracts conferencing information from the ARQ signaling, conferencing information is analyzed, find that the terminal 2 that meeting relates to does not belong to one-level GK1 management, and one-level GK1 knows also which GK management this meeting-place belongs to, so one-level GK1 just sends the LRQ signaling that has the meeting-place resource request information to the top GK1 of oneself;
4g. after top GK1 receives the LRQ signaling that has the meeting-place resource request, find that the meeting-place resource belongs to top GK2 management, just is transmitted to top GK2 to this LRQ signaling;
4h. after top GK2 receives the LRQ signaling that has the meeting-place resource request, analyze the meeting-place resource information, judge that this meeting-place resource belongs to one-level GK2 management, just is transmitted to one-level GK2 to this LRQ signaling;
4i. after one-level GK2 receives the LRQ signaling that has the meeting-place resource request,, judge whether availablely,, and return the LCF signaling and give top GK2 if available then reserve according to the operating position of meeting-place resource.If the meeting-place resource is unavailable, then returns the LRJ signaling and give top GK2;
4j. top GK2 is transmitted to top GK1 to LCF or the LRJ signaling that one-level GK2 returns;
4k. top GK1 is transmitted to one-level GK1 to LCF or the LRJ signaling that top GK2 returns;
4l. one-level GK1 is according to self-administered resource, and the LCF signaling of receiving, think that all meeting-place resources that meeting relates to can be allocated successfully, record conferencing resource information and initial termination time of meeting, return the ACF signaling to terminal 1 then, the success of expression conference reservation; If one-level GK1 finds the inadequate resource of oneself or receives the LRJ signaling, then return the ARJ signaling and give terminal 1, the failure of expression conference reservation;
4m. when the meeting time of holding arrived, one-level GK1 sent the ARQ signaling to MCU, the meeting-place end message that preset conference is related to sends to MCU, and order MCU begins meeting;
4n.MCU after receiving the order of one-level GK1, can field information according to terminal, send the Setup call signaling to terminal 1, continue then follow-up Q.931, H.245, protocol processes process such as RTP, thereby make terminal 1 add meeting;
The conferencing resource that also comprises one-level GK2 in the conferencing information that 4o MCU receives just sends the Setup call signaling to top GK1;
The top GK1 of 4p is transmitted to top GK2 to the Setup call signaling;
The top GK2 of 4q is transmitted to one-level GK2 again;
4r one-level GK2 is transmitted to terminal 2 again, continue then follow-up Q.931, H.245, protocol processes process such as RTP, make terminal 2 add meetings.
The 5th kind: a terminal is invited the method for another joining meeting to terminal
Please refer to Fig. 8, be the method that a terminal is invited another joining meeting to terminal, specific as follows:
5a. terminal 1 sends the ARQ signaling that has number of the account and password to one-level GK1, to invite terminal 2 affiliation;
5b. after one-level GK1 receives the ARQ signaling, number of the account and password are sent to aaa server with Account Request;
5c.AAA server carries out authentication to number of the account and password, if allow terminal 1 to invite terminal 2 affiliation, then returns Account Response message;
5d. one-level GK1 returns the ACF signaling to terminal 1, allows terminal 2 affiliation of its invitation;
5e. terminal 1 sends the ARQ signaling of inviting terminal 2 affiliation to one-level GK1;
5f. one-level GK1 receives the ARQ signaling, finds that terminal 2 should add the meeting on the MCU that belongs to one-level GK2 management, just sends the LRQ signaling that has terminal 2 information to one-level GK2;
5g. one-level GK2 checks that terminal 2 is in upstate, just sends the ARQ signaling that has terminal 2 information to MCU;
5h.MCU receive the ARQ signaling of one-level GK2, send the Setup call signalings to terminal 2, carry out then follow-up Q.931, H..245 and Real-time Transport Protocol processing procedure, invite terminal 2 to be added in the meeting of holding on the MCU;
5i. one-level GK2 returns the LCF signaling and gives one-level GK1;
5j. one-level GK1 returns the ACF signaling and gives terminal 1, expression invites terminal 2 to join successfully.
The 6th kind: a terminal makes another terminal of having joined leave the method for meeting
Please refer to Fig. 9, is that a terminal makes another terminal of having joined leave the method for meeting, specific as follows:
6a. terminal 1 sends the ARQ signaling that has number of the account and password to one-level GK1;
6b. one-level GK1 sends Account Request signaling to aaa server;
6c.AAA server carries out authentication to number of the account and password, if allow terminal 1 to make terminal 2 defections, then returns Account Response signaling;
6d. one-level GK1 returns the ACF signaling, allows terminal 1 to make terminal 2 defections;
6e. terminal 1 sends the ARQ signaling that has terminal 2 information to one-level GK1, request makes terminal 2 leave meeting;
6f. one-level GK1 finds that terminal 2 belongs to the meeting of holding on the MCU of one-level GK2 management, just sends the LRQ signaling that has deletion terminal 2 information to one-level GK2;
6g. sending to MCU, one-level GK2 make the ARQ signaling of terminal 2 defections to MCU;
6h.MCU just send the Disconnect signaling to terminal, carry out follow-up end of calling process then, make terminal 2 leave meeting;
6i. one-level GK2 returns the LCF signaling and gives one-level GK1;
6j. one-level GK1 returns the ACF signaling and gives terminal 1, represents successfully to make terminal 2 defections.
The 7th kind: the dispatching method that carries out conference reservation by the dispatch interface of GK
Please refer to Figure 10, carry out the method for conference reservation scheduling for dispatch interface by GK.In system of the present invention, each GK has a dispatch interface, and by the dispatch interface of GK, WEB Server, ICP or IP intelligent network just can carry out preset conference.
Come the method for preset conference below by the dispatch interface of GK for ICP:
7a.ICP meeting of request reservation sends the ARQ signaling that has number of the account and password to one-level GK1;
7b. one-level GK1 initiates authentication request Account Request message according to user's number of the account and password to aaa server;
7c.AAA server carries out authentication to number of the account and password, if allow its meeting, then returns Account Response message;
7d. if allow the ICP preset conference, then one-level GK1 returns the ACF signaling.Otherwise return ARJ signaling refusal;
7e.ICP send the ARQ signaling that has conferencing information to one-level GK1;
7f. one-level GK1 extracts conferencing information from the ARQ signaling, and carry out scheduling of resource and calculate, if resource is enough, then carry out resource reservation, and return the ACF signaling and give ICP, write down information such as the resource allocation conditions of this preset conference and meeting initial sum termination time simultaneously.If inadequate resource, then one-level GK1 returns the ARJ signaling;
7g. when the meeting time of holding arrived, one-level GK1 sent the ARQ signaling to MCU, the terminal that meeting is related to can field information send to MCU, and order MCU begins meeting;
7h.MCU after receiving the order of one-level GK1,,, set up calling, make all joining meeting to terminal with terminal to the terminal transmission Setup of all meetings call signaling according to terminal meeting field information.
Claims (15)
1. the conference dispatching system of an IP network video conferencing, include: the MCU that controls for the H.323 terminal of user meeting, to terminal H.323, to be connected on it MCU and H.323 the one-level GK that manages of terminal, to being connected to one-level GK, MCU and the top GK that manages of terminal H.323 on it, and these equipment all are the equipment of agreement defined H.323, wherein, be connected with one-level GK on each top GK, be connected with MCU and terminal H.323 on each one-level GK, it is characterized in that: also be connected with MCU and terminal H.323 on each top GK; Between top GK and MCU, between one-level GK and MCU, top GK and H.323 terminal room, one-level GK and H.323 between terminal room, top GK, H.323 the communication protocol between one-level GK, between one-level GK and the top GK all adopt standard agreement to expand; Top GK and one-level GK carry out conference dispatching as conference dispatching equipment.
2. the conference dispatching system of IP network video conferencing as claimed in claim 1 is characterized in that: between the one-level GK between top GK, under the same top GK is directly interconnective.
3. the conference dispatching system of IP network video conferencing as claimed in claim 1 or 2 is characterized in that: further be provided with authentication, dispatch interface on each top GK and each one-level GK.
4. one kind is utilized the described system of claim 1 to be implemented in the method for carrying out conference reservation under the same one-level GK, it is characterized in that this method comprises the steps:
1a. meeting of terminal request reservation sends the access demand signalling that has number of the account and password to an one-level GK;
1b. this one-level GK sends out authentication request message according to user's number of the account and password to aaa server;
1c.AAA server carries out authentication to number of the account and password, if allow its meeting, and return authentication response message then;
1d. if allow user's preset conference, then this one-level GK returns the admission confirm signaling, otherwise returns the admission reject signaling;
1e. this terminal sends the access demand signalling that has conferencing information to this one-level GK;
1f. this one-level GK extracts conferencing information from insert demand signalling, and carry out scheduling of resource and calculate, if resource is enough, then carry out resource reservation, and return the admission confirm signaling and give this terminal, write down the resource allocation conditions and the meeting initial sum termination time information of this preset conference simultaneously; If inadequate resource, then this one-level GK returns the admission reject signaling;
1g. when the meeting time of holding arrived, this one-level GK sent to MCU and inserts demand signalling, the terminal that meeting is related to can field information send to MCU, and order MCU begins meeting;
1h.MCU after receiving the order of this one-level GK,, call signaling is set to this terminal transmission according to terminal meeting field information, set up with this terminal and call out, make this joining meeting to terminal.
5. method of carrying out conference reservation under same one-level GK as claimed in claim 4 is characterized in that: step (1a), (1e), (1f) and (1g) in the access demand signalling be: the ARQ signaling; Step (1d) and (1f) in the admission confirm signaling be: the ACF signaling; Step (1d) and (1f) in the admission reject signaling be: the ARJ signaling; Authentication request message in the step (1b) is: Account Request message; Authentication response message in the step (1c) is: AccountResponse message; The call signaling that is provided with (1h) is: the setup signaling.
6. a method of utilizing the described system of claim 1 to be implemented in the scheduling of the conference reservation between different GK under the same top GK is characterized in that this method comprises the steps:
3a. meeting of first terminal request reservation sends the access demand signalling that has number of the account and password to the first one-level GK;
3b. the first one-level GK initiates authentication request message according to user's number of the account and password to aaa server;
3c.AAA server carries out authentication to number of the account and password, if allow its meeting, and return authentication response message then;
3d. if allow user's preset conference, then the first one-level GK returns the admission confirm signaling, otherwise returns the admission reject signaling;
3e. first terminal sends the access demand signalling that has conferencing information to the first one-level GK;
3f. the first one-level GK extracts conferencing information from insert demand signalling, conferencing information is analyzed, and finds that meeting relates to other meeting-place and belongs to second one-level GK management, just sends the meeting-place demand signalling that has the meeting-place resource request information to the second one-level GK;
3g. after the second one-level GK receives the meeting-place demand signalling that has the meeting-place resource request information,, judge whether availablely,, and return the meeting-place and confirm that signaling gives the first one-level GK if available then reserve according to the operating position of meeting-place resource; If the meeting-place resource is unavailable, then returns the meeting-place rejection signaling and give the first one-level GK;
3h. the first one-level GK is except distributing self-administered resource, after the meeting-place affirmation signaling of receiving, think that all meeting meeting-place resource allocations are successful, record conferencing resource information and initial termination time of meeting, return the admission confirm signaling to first terminal then, the success of expression conference reservation; If the first one-level GK finds the inadequate resource of oneself or receives the meeting-place rejection signaling, then return the admission reject signaling and give first terminal, the failure of expression conference reservation;
3i. when the meeting time of holding arrived, the first one-level GK sent to MCU and inserts demand signalling, the terminal that preset conference is related to can field information send to MCU, and order MCU begins meeting;
3j.MCU receive insert demand signalling after, can field information according to terminal, send to first terminal call signaling be set, continue then follow-up Q.931, H.245, the Real-time Transport Protocol processing procedure, thereby make first joining meeting to terminal;
3k.MCU also comprise the conferencing resource of the second one-level GK in the conferencing information of receiving, just send call signaling is set to the second one-level GK, the second one-level GK is transmitted to second terminal call signaling is set, continue then follow-up Q.931, H.245, the Real-time Transport Protocol processing procedure, thereby make second joining meeting to terminal.
7. the method for conference reservation under the same top GK as claimed in claim 6 between different GK scheduling is characterized in that: step (3a), (3e), (3f), (3i) and (3j) in the access demand signalling be: the ARQ signaling; Step (3d) and (3h) in the admission confirm signaling be: the ACF signaling; Step (3d) and (3h) in the admission reject signaling be: the ARJ signaling; Step (3j) and (3k) in the call signaling that is provided be: the setup signaling; Step (3f) and (3g) in the meeting-place demand signalling be: the LRQ signaling; Step (3g) and (3h) in the meeting-place confirm that signaling is: the LCF signaling; Step (3g) and (3h) in the meeting-place rejection signaling be: the LRJ signaling; Authentication request message in the step (3b) is: Account Request message; Authentication response message in the step (3c) is: AccountResponse message.
8. a method of utilizing the described system of claim 1 to be implemented in the conference reservation scheduling between different top GK is characterized in that this method comprises the steps:
4a. meeting of first terminal request reservation sends the access demand signalling that has number of the account and password to the first one-level GK;
4b. the first one-level GK initiates authentication request message according to user's number of the account and password to aaa server;
4c.AAA server carries out authentication to number of the account and password, if allow its meeting, and return authentication response message then;
4d. if allow user's preset conference, then the first one-level GK returns the admission confirm signaling; Otherwise return the admission reject signaling;
4e. first terminal sends the access demand signalling that has conferencing information to the first one-level GK;
4f. the first one-level GK extracts conferencing information from insert demand signalling, conferencing information is analyzed, find that second terminal that meeting relates to does not belong to first one-level GK management, and the first one-level GK does not know which GK management this meeting-place belongs to yet, so the first one-level GK just sends the meeting-place demand signalling that has the meeting-place resource request information to the first top GK of oneself;
4g. after the first top GK receives the meeting-place demand signalling that has the meeting-place resource request, find that the meeting-place resource belongs to the second top GK management, just is transmitted to the second top GK to this meeting-place demand signalling;
4h. after the second top GK receives the meeting-place demand signalling that has the meeting-place resource request, analyze the meeting-place resource information, judge that this meeting-place resource belongs to second one-level GK management, just is transmitted to the second one-level GK to this meeting-place demand signalling;
4i. after the second one-level GK receives the meeting-place demand signalling that has the meeting-place resource request,, judge whether availablely,, and return the meeting-place and confirm that signaling gives the second top GK if available then reserve according to the operating position of meeting-place resource; If the meeting-place resource is unavailable, then returns the meeting-place rejection signaling and give the second top GK;
4j. the meeting-place that the second top GK returns the second one-level GK confirms that signaling or meeting-place rejection signaling are transmitted to the first top GK;
4k. the meeting-place that the first top GK returns the second top GK confirms that signaling or meeting-place rejection signaling are transmitted to the first one-level GK;
4l. the first one-level GK is according to self-administered resource, and the meeting-place of receiving affirmation signaling, think that all meeting-place resources that meeting relates to can be allocated successfully, record conferencing resource information and initial termination time of meeting, return the admission confirm signaling to first terminal then, the success of expression conference reservation; If the first one-level GK finds the inadequate resource of oneself or receives the meeting-place rejection signaling, then return the admission reject signaling and give first terminal, the failure of expression conference reservation;
4m. when the meeting time of holding arrived, the first one-level GK sent to MCU and inserts demand signalling, the meeting-place end message that preset conference is related to sends to MCU, and order MCU begins meeting;
After (4n) .MCU receives and inserts demand signalling, can field information according to terminal, send to first terminal call signaling be set, continue then follow-up Q.931, H.245, the Real-time Transport Protocol processing procedure, thereby make first joining meeting to terminal;
(4o) also comprise the conferencing resource of the second one-level GK in the conferencing information that MCU receives, just send call signaling is set to the first top GK;
(4p) the first top GK is transmitted to the second top GK call signaling is set;
(4q) the second top GK is transmitted to the second one-level GK again;
(4r) the second one-level GK is transmitted to second terminal again, continue then follow-up Q.931, H.245, the Real-time Transport Protocol processing procedure, make second joining meeting to terminal.
9. the method for conference reservation between the top GK of difference as claimed in claim 8 scheduling is characterized in that: step (4a), (4e), (4f), (4m) and (4n) the access demand signalling be: the ARQ signaling; Step (4d) and (4l) in the admission confirm signaling be: the ACF signaling; Step (4d) and (4l) in the admission reject signaling be: the ARJ signaling; Step (4n), (4o) and (4p) in the call signaling that is provided be: the setup signaling; Step (4f), (4g), (4h) and (4i) in the meeting-place demand signalling be: the LRQ signaling; Step (4i), (4j), (4k) and (4l) in the meeting-place confirm that signaling is: the LCF signaling; Step (4i), (4j) and (4k) in the meeting-place rejection signaling be: the LRJ signaling; Authentication request message in the step (4b) is: Account Request message; Authentication response message in the step (4c) is: Account Response message.
10. a method of utilizing terminal of claim 1 described system realization to invite another joining meeting to terminal is characterized in that this method comprises the steps:
5a. first terminal sends the access demand signalling that has number of the account and password to the first one-level GK, to invite second terminals joining the conference;
5b. the first one-level GK sends to aaa server to number of the account and password with authentication request message after receiving and inserting demand signalling;
5c.AAA server carries out authentication to number of the account and password, if allow first terminal to invite second terminals joining the conference, and return authentication response message then;
5d. the first one-level GK returns the admission confirm signaling to first terminal, allows second terminals joining the conference of its invitation;
5e. first terminal sends the access demand signalling of inviting second terminals joining the conference to the first one-level GK;
5f. the first one-level GK receives the access demand signalling, finds that second terminal should add the meeting on the MCU that belongs to second one-level GK management, just sends the meeting-place demand signalling that has second end message to the second one-level GK;
5g. the second one-level GK checks that second terminal is in upstate, just sends the access demand signalling that has second end message to MCU;
5h.MCU receive the access demand signalling of the second one-level GK, send to second terminal call signaling be set, carry out then follow-up Q.931, H.245 with the Real-time Transport Protocol processing procedure, invite second terminal to be added in the meeting of holding on the MCU;
5i. returning the meeting-place, the second one-level GK confirms that signaling is to the first one-level GK;
5j. the first one-level GK returns the admission confirm signaling and gives first terminal, the success of second terminals joining the conference is invited in expression.
11. a terminal as claimed in claim 10 is invited the method for another joining meeting to terminal, it is characterized in that: step (5a), (5b), (5e), (5f), (5g) and (5h) in the access demand signalling be: the ARQ signaling; Step (5d) and (5j) in the admission confirm signaling be: the ACF signaling; The call signaling that is provided with in the step (5h) is: the setup signaling; Meeting-place demand signalling in the step (5f) is: the LRQ signaling; Meeting-place in the step (5i) confirms that signaling is: the LCF signaling; Authentication request message in the step (5b) is: Account Request message; Authentication response message in the step (5c) is: Account Response message.
12. one kind is utilized the described system of claim 1 to realize that a terminal makes another terminal of having joined leave the method for meeting, is characterized in that this method comprises the steps:
6a. first terminal sends the access demand signalling that has number of the account and password to the first one-level GK;
6b. the first one-level GK sends authentication request message to aaa server;
6c.AAA server carries out authentication to number of the account and password, if allow first terminal to make second terminals leaving the conference, and return authentication response message then;
6d. the first one-level GK returns the admission confirm signaling, allows first terminal to make second terminals leaving the conference;
6e. first terminal sends the access demand signalling that has second end message to the first one-level GK, request makes second terminal leave meeting;
6f. the first one-level GK finds that second terminal belongs to the meeting of holding on the MCU of second one-level GK management, just sends to the second one-level GK to have the meeting-place demand signalling of deleting second end message;
6g. sending to MCU, the second one-level GK make the access demand signalling of second terminals leaving the conference to MCU;
Disconnect signaling 6h.MCU just send, carry out follow-up end of calling process then, make second terminal leave meeting to terminal;
6i. returning the meeting-place, the second one-level GK confirms that signaling is to the first one-level GK;
6j. the first one-level GK returns the admission confirm signaling and gives first terminal, represents successfully to make second terminals leaving the conference.
13. a terminal as claimed in claim 12 makes another terminal of having joined leave the method for meeting, it is characterized in that: step (6a), (6e) and (6g) in the access demand signalling be: the ARQ signaling; Step (6d) and (6j) in the admission confirm signaling be: the ACF signaling; Disconnection signaling in the step (6h) is: the disconnect signaling; Meeting-place demand signalling in the step (6f) is: the LRQ signaling; Meeting-place in the step (6i) confirms that signaling is: the LCF signaling; Authentication request message in the step (6b) is: Account Request message; Authentication response message in the step (6c) is: AccountResponse message.
14. one kind is utilized the described system of claim 1 to realize the method for carrying out the scheduling of conference reservation by the dispatch interface of GK, it is characterized in that this method comprises the steps:
7a.ICP meeting of request reservation sends the access demand signalling that has number of the account and password to an one-level GK;
7b. this one-level GK initiates authentication request message according to user's number of the account and password to aaa server;
7c.AAA server carries out authentication to number of the account and password, if allow its meeting, and return authentication response message then;
7d. if allow the ICP preset conference, then this one-level GK returns the admission confirm signaling.Otherwise return the admission reject signaling;
7e.ICP send the access demand signalling that has conferencing information to this one-level GK;
7f. this one-level GK extracts conferencing information from insert demand signalling, and carry out scheduling of resource and calculate, if resource is enough, then carry out resource reservation, and return the admission confirm signaling and give ICP, write down information such as the resource allocation conditions of this preset conference and meeting initial sum termination time simultaneously; If inadequate resource, then this one-level GK returns the admission reject signaling;
7g. when the meeting time of holding arrived, this one-level GK sent to MCU and inserts demand signalling, the terminal that meeting is related to can field information send to MCU, and order MCU begins meeting;
7h.MCU after receiving the order of this one-level GK, can field information according to terminal, send to the terminal of all meetings call signaling is set, set up with terminal and call out, make all joining meeting to terminal.
15. method of carrying out the scheduling of conference reservation by the dispatch interface of GK as claimed in claim 16 is characterized in that: step (7a), (7e), (7f) and (7g) in the access demand signalling be: the ARQ signaling; Step (7d) and (7f) in the admission confirm signaling be: the ACF signaling; Step (7d) and (7f) in the admission reject signaling be: the ARJ signaling; The call signaling that is provided with in the step (7h) is: the setup signaling; Authentication request message in the step (7b) is: Account Request message; Authentication response message in the step (7c) is: Account Response message.
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| CN101729849B (en) * | 2008-10-22 | 2012-03-28 | 中兴通讯股份有限公司 | Method and system for realizing hierarchical organization and management of video conference |
| CN101505226B (en) * | 2009-02-25 | 2011-07-27 | 中国联合网络通信集团有限公司 | Multimedia communication interaction system and method |
| CN101577734B (en) * | 2009-06-08 | 2012-09-05 | 中兴通讯股份有限公司 | Method for realizing high capacity call by H.323 protocol stack and the system thereof |
| CN102427518B (en) * | 2010-12-29 | 2013-07-10 | 南京联坤软件技术有限公司 | On-demand networking video conference system |
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| CN109922302B (en) * | 2019-03-19 | 2021-09-28 | 视联动力信息技术股份有限公司 | Conference reservation information acquisition method, system, device and machine readable medium |
| CN112087589A (en) * | 2019-06-12 | 2020-12-15 | 杭州海康威视数字技术股份有限公司 | Conference access method, device and system |
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