CN101316178B - Conversation establishing method and conversation system - Google Patents
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- CN101316178B CN101316178B CN2007101073616A CN200710107361A CN101316178B CN 101316178 B CN101316178 B CN 101316178B CN 2007101073616 A CN2007101073616 A CN 2007101073616A CN 200710107361 A CN200710107361 A CN 200710107361A CN 101316178 B CN101316178 B CN 101316178B
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Abstract
The embodiment of the invention discloses a method for establishing a conversation, which includes the steps of creating a context solely for the user who attends a plurality of sub-conferences; creating a plurality of terminals belonging to the context; connecting one of the terminals to the user; connecting the terminal connected with the user to each sub-conference through other terminals of the context. Correspondingly, the embodiment of the invention provides a conversational system, which includes a media gateway, which is utilized to create the context and the terminals; a media gateway controller, which is utilized to control the connection relationship among the terminals of the context; after a context is independently created by the medial gateway for the user who attends a plurality of sub-conferences and a plurality of terminals belonging to the context are created, the media gateway controller connects one of the terminals to the user, and the terminal is connected with each sub-conference through other terminals of the context. The technical proposal provided by the embodiment of the invention enables the user to attend a plurality of sub-conferences at the same time.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of session establishing method and conversational system.
Background technology
Along with the development of next generation network technology, occurred calling out the framework that chain of command separates with the carrying chain of command, under this separation architecture, the main body of calling out chain of command and carrying chain of command is respectively gateway controller MGC and gateway MGW.MGW provides concrete bearing resource for call/session, and accepts the control of MGC, and the interface protocol of MGC and MGW is called MGCP, is defined as H.248 agreement at ITU-T.H.248 the link model of protocol definition comprises terminal (Termination) and two main concept of context (Context).Terminal Termination is the logic entity among the MGW, just MGW is gone up the abstract of bearing resource, can send and receive one or more medium.Terminal type mainly contains semipermanent terminal (TDM (Time Division Multiplexing, time division multiplexing) channel or artificial line etc.) and provisional terminal (as RTP (real-time transport protocol, RTP) stream is used for voice-bearer, data and vision signal or various mixed signal).MGW gives the unique ID of terminal and identifies when creating terminal Termination, and MGC quotes the bearing resource on the MGW by this ID and operates on it.MGW can create Termination by the Add order.Context Context also is a logic entity, and Context is the contact between some Termination, is used for a plurality of Termination are associated, and it describes the topological relation between the Termination and the parameter of medium mixing/exchange.Context is created by the Add order by MGW.
Usually for ordinary call/session, only comprise two Termination among the Context, and,, then can allow the Termination more than 2 as multimedia call, MPTY/meeting and monitoring etc. for particular service.For the application of meeting class, comprise a plurality of Termination among the common Context, these Termination couple together by conference bridge resources.
Seeing also Fig. 1, is the session networking schematic diagram that prior art participates in a conference.
In Fig. 1, comprise a Great Council and two son conferences, 3 context Context corresponding to the media gateway establishment, be the context C1 at Great Council place, the context C2 at son conference place and the context C3 at son conference place, for convenience of description, abbreviate Great Council C1, son conference C2 and C3 as, comprise that also 9 users are A/B/C/D/E/F/G/H/I, also comprise 13 Termination that media gateway is created be T1 to T13, also comprise 3 conference bridge resources Q1, Q2 and Q3 in addition.All user A/B/C/D/E/F/G/H/I participate in same Great Council C1, and D/E/F and G/H/I organize interior among a small circle discussion respectively, promptly regard the son conference of Great Council as.User D/E/F participates in son conference C2, and user G/H/I then participates in son conference C3.The annexation of terminal room in the media gateway controller MGC control context, all these 9 users are respectively by these 9 Termination conference participations of T1/T2/T3/T7/T9/T8/T11/T13/T12 in Fig. 1, in Great Council C1, T1/T2/T3/T4/T5 is connected with conference bridge resources Q1 respectively, in son conference C2, T6/T7/T8/T9 is connected with conference bridge resources Q2 respectively, in son conference C3, T10/T11/T12/T13 is connected with conference bridge resources Q3 respectively, and T4 is connected by carrying with T6, T5 also is connected by carrying with T10, and these 4 Termination play a part connexon meeting respectively to Great Council.
The inventor finds that there is following defective in prior art in realizing process of the present invention:
The method that prior art provides, single user can only participate in single son conference, and for example among Fig. 1, the user F or the son conference C2 on the participation left side, or the son conference C3 on the right of participating in can not realize participating in simultaneously a plurality of son conferences.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of session establishing method and conversational system, can make the user participate in a plurality of son conferences simultaneously.
For solving the problems of the technologies described above, the embodiment of the invention is achieved through the following technical solutions:
The embodiment of the invention provides a kind of session method, comprising: for the user who participates in many son conferences creates a context separately; Establishment belongs to described contextual some terminals; A terminal in described some terminals is connected the user; The terminal that connects the user is connected to each son conference by described contextual other-end.
The embodiment of the invention provides a kind of conversational system, comprising: media gateway is used to create context and creates terminal; Media Gateway Controller is used for controlling the annexation of context terminal room; After media gateway belongs to described contextual some terminals for the user who participates in many son conferences creates a context and establishment separately, Media Gateway Controller connects the user with one of them terminal, and the terminal that connects the user is connected to each son conference by described contextual other-end.
Above technical scheme as can be seen, the user can't participate in a plurality of son conferences simultaneously in the prior art scheme, and the technical scheme of the embodiment of the invention is: be that the user who participates in many son conferences creates a context separately; Establishment belongs to described contextual some terminals; A terminal in described some terminals is connected the user; The terminal that connects the user is connected to each son conference by described contextual other-end.Because the technical scheme of the embodiment of the invention is by the independent newly-built context of user for the many son conferences of participation, and newly-built some terminals are connected with each contextual terminal in son conference place, thereby the user can be connected with the resource of each son conference, realizes participating in simultaneously a plurality of son conferences.
Description of drawings
Fig. 1 is the session networking schematic diagram that prior art participates in a conference;
Fig. 2 is an embodiment of the invention session establishing method flow chart;
Fig. 3 is the session networking schematic diagram that the embodiment of the invention participates in a conference;
Fig. 4 is an embodiment of the invention conversational system structural representation;
Fig. 5 is a Media Gateway Controller structural representation in the embodiment of the invention conversational system.
Embodiment
The embodiment of the invention provides a kind of session establishing method, can make the user participate in a plurality of son conferences simultaneously.
Seeing also Fig. 2, is embodiment of the invention session establishing method flow chart.
Among this embodiment, suppose that media gateway created 3 context Context, i.e. the context C3 at the context C2 at the context C1 at Great Council place, son conference place and son conference place.For convenience of description, abbreviate Great Council C1, son conference C2 and C3 as.The annexation of terminal room in the media gateway controller MGC control context.In Great Council C1, terminal T1/T2/T3/T4/T5 is connected with conference bridge resources Q1 respectively, in son conference C2, terminal T6/T7/T9 is connected with conference bridge resources Q2 respectively, and T7/T9 is connected to the user, in son conference C3, terminal T10/T12/T13 is connected with conference bridge resources Q3 respectively, and T12/T13 is connected to the user.And T4 and T6 then connect by carrying, and with son conference C2 and Great Council C1 UNICOM, T5 is connected by carrying with T10, with son conference C3 and Great Council C1 UNICOM.If now have a user to wish to participate in son conference C2 and son conference C3 simultaneously, then can be undertaken by the step among Fig. 2.The step of Fig. 2 specifically comprises:
The user wishes to participate in simultaneously son conference C2 and son conference C3, and then MGW can be made as C4 with the Add order for the user that will participate in a plurality of son conferences creates a context Context separately.
MGW creates a terminal Termination in this Context, this Termination is connected to the user, is made as T16.
Need to prove, here the new context Context of said establishment is not limited with the method for creating Termination, can adopt the method for existing establishment Context and Termination.In addition, also not limited for terminal type here, can be the semipermanent terminal, also can be provisional terminal etc.
MGW respectively creates 1 Termination in the Context at each son conference place that the user will participate in, at the Context that creates separately for the user is the Termination that creates corresponding son conference number among the C4, and will be connected to each other by carrying between Termination among the C4 that create and the Termination in the son conference.
Herein, suppose that user F will participate in two son conference C2 and C3, so create Termination respectively in son conference C2 and C3 is T8 and T11, creating Termination respectively in the C4 that creates separately for the user is T14 and T15, T14 and T8 are connected to each other by carrying, and T15 and T11 are connected to each other by carrying.
Need to prove, here just will participate in two son conferences with the user illustrates but is not limited to this, if the user will participate in three son conferences, then in the Context at these three son conference places, respectively create 1 Termination, at the Context that creates separately for the user is being to create corresponding 3 Termination among the C4, and will be connected to each other by carrying respectively between 3 Termination among the C4 that create and 3 Termination in the son conference.
To be connected with conference bridge resources Q4 respectively for all Termination among the independent context Context that creates of user, be in the independent context Context that creates of user, keep the topological relation of isolating in twos each other for connecting Termination that each son conference creates, and be to connect to keep two-way topological relation between each son conference Termination that creates and that Termination that is connected the user, be T14 and T15 topological relation among this embodiment, and T14, T15 are the two-way topological relation that is connected with T16 respectively for isolating in twos.T14 and T15 are specially for the topological relation of isolating in twos: the unidirectional conference bridge resources Q4 that is connected to of T14, T15 is unidirectional to be connected to view bridge resource Q4, so T14 and T15 isolate mutually.T14, T15 are that the two-way topological relation that is connected is specially with T16 respectively: T14 is connected to T16 by conference bridge resources Q4, and T16 is directly connected to T14 again, and in like manner, T15 is connected to T16 by conference bridge resources Q4, and T16 is directly connected to T15 again.
If the user will participate in three son conferences, then in C4, create Termination again and be made as T17, in the 3rd son conference, create Termination and be made as T18, T17 and T18 are connected to each other by carrying, be connected with conference bridge resources Q4 T14, T15, T17 are unidirectional respectively, T14, T15, T17 are set up the two-way topological relation that is connected with T16 respectively.
Need to prove that the aforesaid operations step does not have specific sequence requirement, as long as satisfy agreement constraint H.248.
Also need to prove,, then, all operate, can realize that then a plurality of users participate in the purpose of a plurality of son conferences by the step of foregoing description for each user of these a plurality of users if there are a plurality of users all to wish to participate in a plurality of son conferences simultaneously.
Can find from the content of the invention described above embodiment method, the session establishing method of the embodiment of the invention is by creating a new context in addition for the user that will participate in a plurality of son conferences, and newly-built some terminals are connected with each contextual terminal in son conference place, thereby user and each son conference resource are coupled together, realize that the user participates in a plurality of son conferences simultaneously.
Seeing also Fig. 3, is the session networking schematic diagram that the embodiment of the invention participates in a conference.
In Fig. 3, comprise a Great Council and two son conferences, 3 context Context corresponding to the media gateway establishment, be the context C1 at Great Council place, the context C2 at son conference place and the context C3 at son conference place, for convenience of description, abbreviate Great Council C1, son conference C2 and C3 as, comprise that also 8 users are A/B/C/D/E/F/G/H, also comprise some terminal Termination that media gateway is created.All user A/B/C/D/E/F/G/H participate in same Great Council C1, and user D/E participates in son conference C2, and user G/H then participates in son conference C3.All user A/B/C/D/E/G/H are respectively by these 7 Termination conference participations of T1/T2/T3/T7/T9/T12/T13, in Great Council C1, T1/T2/T3/T4/T5 is connected with conference bridge resources Q1 respectively, in son conference C2, T6/T7/T9 is connected with conference bridge resources Q2 respectively, in son conference C3, T10/T12/T13 is connected with conference bridge resources Q3 respectively, and T4 is connected by carrying with T6, T5 also is connected by carrying with T10, and these 4 Termination play a part connexon meeting respectively to Great Council.
Among Fig. 3, user F can participate in son conference C2 and C3 simultaneously.For user F, create a context Context separately for it, be made as C4, creating a Termination in C4 is that T16 is connected to the user.Because user F will participate in two son conference C2 and C3, so create Termination respectively in son conference C2 and C3 is T8 and T11, creating Termination respectively in the C4 that creates separately for the user is T14 and T15, T14 and T8 are connected to each other by carrying, T15 and T11 are connected to each other by carrying, thereby C4 and son conference C2, C3 are coupled together.In addition, be connected with conference bridge resources Q4 T14, T15 are respectively unidirectional, T14, T15 are carried out two-way the connection with T16 respectively.That is to say, be in the independent context Context that creates of user, keep the topological relation of isolating in twos each other for connecting Termination that each son conference creates, and be to connect to keep two-way topological relation between each son conference Termination that creates and that Termination that is connected the user, T14 and T15 are the topological relation of isolating in twos among this figure, and T14, T15 are the two-way topological relation that is connected with T16 respectively.
Need to prove, this figure just will participate in two son conferences with user F and illustrate but be not limited to this, if the user will participate in three son conferences, then in the Context at these three son conference places, respectively create 1 Termination, at the Context that creates separately for the user is being to create corresponding 3 Termination among the C4, and will be connected to each other by carrying respectively between 3 Termination among the C4 that create and 3 Termination in the son conference.Suppose the new T17 of establishment among the C4, the new T18 that creates in the 3rd son conference, then T17 and T18 are connected to each other by carrying, be connected with conference bridge resources Q4 T14, T15 and T17 are unidirectional respectively, T14, T15, T17 are set up the two-way topological relation that is connected with T16 respectively, thereby realize that the user can participate in 3 son conferences simultaneously.If the user need participate in the son conference more than 3 simultaneously, it realizes that principle is identical.
Also need to prove,, then, all operate, can realize that then a plurality of users participate in the purpose of a plurality of son conferences by the method for foregoing description for each user of these a plurality of users if there are a plurality of users all to wish to participate in a plurality of son conferences simultaneously.
Foregoing describes the session establishing method of the embodiment of the invention in detail, and corresponding, the embodiment of the invention provides a kind of conversational system.
Seeing also Fig. 4, is embodiment of the invention conversational system structural representation.
The conversational system of the embodiment of the invention comprises Media Gateway Controller 100 and media gateway 200.The interface protocol of the employing that Media Gateway Controller 100 and media gateway are 200 is a H.248 agreement of MGCP.
Media Gateway Controller 100 is used for controlling the annexation of context terminal room.Media gateway 200 is used to create context and creates terminal.After media gateway 200 belongs to described contextual some terminals for the user that will participate in a plurality of son conferences creates a context and establishment separately, Media Gateway Controller 100 connects the user with one of them terminal, and the terminal that connects the user is connected to each son conference by described contextual other-end.
Seeing also Fig. 5, is Media Gateway Controller structural representation in the embodiment of the invention conversational system.
Media Gateway Controller 100 further comprises first control unit 1001, second control unit 1002 and the 3rd control unit 1003.
The 3rd control unit 1003, when the terminal that is used for connecting the user in some terminals of the context that second control unit 1002 is created media gateway 200 separately for the user that will participate in a plurality of son conferences connects described contextual other-end, control is set up the topological relation of isolation in twos between the other-end of the terminal that connects the user, control between described other-end and the terminal that is connected the user and set up two-way topological relation.Here the topological relation that said foundation is isolated in twos is specially: the unidirectional conference bridge resources that is connected to of other-end of the 3rd control unit 1003 controls except that the terminal that connects the user.Here saidly set up two-way topological relation and be specially: the unidirectional conference bridge resources that is connected to of other-end of the 3rd control unit 1003 controls except that the terminal that connects the user, described conference bridge resources is connected to the terminal that connects the user, and described connection user's terminal is directly connected to described other-end.
The session networking schematic diagram that participates in a conference with Fig. 3 embodiment of the invention illustrates, media gateway 200 is that user F creates a context Context separately, be made as C4, creating a Termination in C4 is T16, and first control unit 1001 is connected to the user with T16.Because user F will participate in two son conference C2 and C3, so media gateway 200 is created Termination respectively in son conference C2 and C3 be T8 and T11, creating Termination respectively in the C4 that creates separately for the user is T14 and T15, second control unit 1002 is connected by T14 T16 with T8, T16 is connected with T11 by T15, thereby C4 and son conference C2, C3 are coupled together.In addition, the 3rd control unit 1003 control T14, T15 are unidirectional respectively to be connected with conference bridge resources Q4, control T14, T15 set up the two-way topological relation that is connected with T16 respectively, be specially T14 is connected to T16 by conference bridge resources Q4, T16 is directly connected to T14 again, in like manner, T15 is connected to T16 by conference bridge resources Q4, T16 is directly connected to T15 again.
In sum, prior art scheme user can't participate in a plurality of son conferences simultaneously, and the technical scheme of the embodiment of the invention is: for the user who participates in many son conferences creates a context separately; Establishment belongs to described contextual some terminals; A terminal in described some terminals is connected the user; The terminal that connects the user is connected to each son conference by described contextual other-end.Because the technical scheme of the embodiment of the invention is by the independent newly-built context of user for the many son conferences of participation, and newly-built some terminals are connected with each contextual terminal in son conference place, thereby the user can be connected with each son conference resource, realizes participating in simultaneously a plurality of son conferences.
Further, the technical scheme that the embodiment of the invention provides can realize that single user participates in a plurality of son conferences simultaneously, can realize that also the multi-user participates in a plurality of son conferences simultaneously.
More than a kind of session establishing method and conversational system that the embodiment of the invention provided are described in detail, used specific case herein the principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the thought of the embodiment of the invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. a session establishing method is characterized in that, comprising:
For the user who participates in many son conferences creates a context separately;
Establishment belongs to described contextual some terminals;
A terminal in described some terminals is connected the user;
The terminal that connects the user is connected described contextual other-end, and described other-end is connected to each son conference, sets up the topological relation of isolating in twos between the described other-end, sets up two-way topological relation between described other-end and the terminal that is connected the user.
2. session establishing method according to claim 1 is characterized in that, sets up the topological relation of isolating in twos between the described other-end and is specially:
The unidirectional conference bridge resources that is connected to of described other-end.
3. session establishing method according to claim 1 is characterized in that, sets up two-way topological relation between described other-end and the terminal that is connected the user and is specially:
Described other-end is connected to conference bridge resources, and described conference bridge resources is connected to the terminal that connects the user, and described connection user's terminal is directly connected to described other-end.
4. according to each described session establishing method of claim 1 to 3, it is characterized in that:
The agreement that this session establishing method adopts is a H.248 agreement of MGCP.
5. a conversational system is characterized in that, comprising:
Media gateway is used to create context and creates terminal;
Media Gateway Controller is used for controlling the annexation of context terminal room;
After media gateway belongs to described contextual some terminals for the user who participates in many son conferences creates a context and establishment separately, Media Gateway Controller connects the user with one of them terminal, and the terminal that connects the user is connected to each son conference by described contextual other-end;
Described Media Gateway Controller comprises:
First control unit is used for a terminal connection user with described contextual some terminals of media gateway establishment;
Second control unit is used for behind the terminal connection user of first control unit with described contextual some terminals the terminal that connects the user being connected described contextual other-end, and described other-end connects each son conference;
The 3rd control unit, be used for when the terminal that second control unit will connect the user connects described contextual other-end, control between the described other-end and to set up the topological relation of isolating in twos, control between described other-end and the terminal that is connected the user and set up two-way topological relation.
6. conversational system according to claim 5, it is characterized in that, described the 3rd control unit is controlled between the described other-end and to be set up the topological relation of isolating in twos, controls to set up two-way topological relation between described other-end and the terminal that is connected the user and be specially:
The unidirectional conference bridge resources that is connected to of described other-end, described conference bridge resources are connected to the terminal that connects the user, and described connection user's terminal is directly connected to described other-end.
7. according to claim 5 or 6 described conversational systems, it is characterized in that:
The agreement that this conversational system adopts is a H.248 agreement of MGCP.
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| US6330022B1 (en) * | 1998-11-05 | 2001-12-11 | Lucent Technologies Inc. | Digital processing apparatus and method to support video conferencing in variable contexts |
| CN1545303A (en) * | 2003-11-10 | 2004-11-10 | ����ͨѶ�ɷ�����˾ | Method for implementing multi-party conference service in communication network with separated bearing and controlling |
| EP1755305A1 (en) * | 2005-08-17 | 2007-02-21 | Alcatel | Apparatus to administrate the joining of parallel multimedia sessions to principal multimedia sessions in a communication network |
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| US6330022B1 (en) * | 1998-11-05 | 2001-12-11 | Lucent Technologies Inc. | Digital processing apparatus and method to support video conferencing in variable contexts |
| CN1545303A (en) * | 2003-11-10 | 2004-11-10 | ����ͨѶ�ɷ�����˾ | Method for implementing multi-party conference service in communication network with separated bearing and controlling |
| EP1755305A1 (en) * | 2005-08-17 | 2007-02-21 | Alcatel | Apparatus to administrate the joining of parallel multimedia sessions to principal multimedia sessions in a communication network |
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