CN1852081A - Method for realizing muti-part meeting through uest generation network - Google Patents

Method for realizing muti-part meeting through uest generation network Download PDF

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Publication number
CN1852081A
CN1852081A CN 200510084090 CN200510084090A CN1852081A CN 1852081 A CN1852081 A CN 1852081A CN 200510084090 CN200510084090 CN 200510084090 CN 200510084090 A CN200510084090 A CN 200510084090A CN 1852081 A CN1852081 A CN 1852081A
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participant
meeting
conference
request
conference management
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CN 200510084090
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CN100571104C (en
Inventor
袁洪锦
郁建中
吴斌
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

This invention discloses a method for realizing a multiparty conference by NGN, in which, an IT network user sets multiparty conference information by a conference management customer end and initiates the conference to a conference management server including: A, the server converts the received information to that of a created conference request to be sent to an AS via a Web Portal, B, the AS verifies the authority of the manager of the session conference based on the required information and calls the manager by soft switch and applies for a multiparty conference to the MRS and takes the manager in the conference hall, C, the AS calls the participants by the soft switch and reports to the MRS to take the successfully called participants in said applied conference hall.

Description

A kind of method that realizes Multi-Party Conference by next generation network
Technical field
The present invention relates to the MPTY conferencing technology, refer to a kind of method that realizes the MPTY meeting by next generation network (NGN) especially.
Background technology
As everyone knows, NGN can provide various business, and as speech, the Internet access, video conference, Streaming Media etc., so the business of next generation network presents diversity.Voice service will constitute the main source of Operator Specific Service income all the time as a kind of basic telecom service.In recent years, along with the development of packet-switch technology, the voice service proportion of legacy circuit-switched form is on a declining curve, and the proportion of packet voice business then rises year by year.
In the voice service, MultiParty Service embodies advantage day by day in enterprise or trans-regional multimedia conference call.Traditional videoconference adopts the mode of preregistration to create and manage.Use flow process complicated and be not easy to be integrated in the IT office system.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of and realizes the method for Multi-Party Conference by NGN, can realize that user in information technology (IT) network initiates and communication network users between media conference in many ways.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of method by next generation network NGN realization Multi-Party Conference, the IT network user passes through the conference management client and the MPTY conferencing information is set and initiates the MPTY meeting to conference management server, and this method is further comprising the steps of:
A. after conference management server is converted to the establishment conference request with the MPTY conferencing information that receives, send to application server AS via portal server Web Portal;
B.AS is according to creating the information of carrying in the conference request, host to the MPTY meeting carries out authentication, and by soft switch SoftSwitch calling host, AS applies for meeting-place in many ways to Media Resource Server MRS simultaneously, and the host is added the meeting-place in many ways of having applied for;
C.AS calls out the participant according to creating the information of carrying in the conference request by SoftSwitch, and AS applies for the participant of access success is added described meeting-place in many ways of having applied for to MRS simultaneously.
In steps A, after described AS receives and creates conference request, this method also comprises: AS checks whether the establishment conference request that receives is legal, if legal, enter step B after then generating session id and returning the establishment request for conference success response of carrying session id to conference management server via WebPortal; Otherwise, then return method ends flow process behind the establishment request for conference failure response that carries error code to conference management server via Web Portal.
Conference management server described in the steps A is converted to the MPTY conferencing information that receives and creates conference request and be: will satisfy the described MPTY conferencing information of agreement between conference management client and conference management server, and be converted into the establishment conference request that satisfies between conference management server and Web Portal based on http protocol; Carry the MPTY conferencing information in the described establishment conference request.
Described establishment conference request is to follow the establishment meeting interface function of http protocol.
AS described in the step B carries out the host after the authentication, and this method also comprises before the calling host: if by authentication, then AS returns the session initiation success message via Web Portal to conference management server; Otherwise AS is via Web Portal method ends flow process after conference management server returns the session initiation failed message.
In step B,
Described AS calls out after the host by SoftSwitch, applies for that in many ways this method also comprises before the meeting-place: SoftSwitch returns to AS and calls out the host and reply;
Described host adds in many ways after the meeting-place, and this method also comprises: MRS returns success to AS and replys.
In step B, described MRS to AS return success reply after, this method also comprises: AS returns meeting-place and host's state information via Web Portal to conference management server.
The described method of returning meeting-place and host's state information is: meeting-place and host's state information are carried in the call back function of the request executing state of following http protocol and return; Carry described session id in the call back function of described request executing state.
In step C,
Described AS calls out by SoftSwitch after the participant, and the participant of successful call is added in many ways before the meeting-place, and this method also comprises: SoftSwitch returns to AS and calls out the participant and reply;
Described participant with successful call adds in many ways after the meeting-place, and this method also comprises: MRS returns the participant to AS and adds the meeting-place and reply.
In step C, described MRS returns the participant to AS and adds after the meeting-place replys, and this method also comprises: AS returns participant's state information via Web Portal to conference management server.
The method of the described participant's of returning state information is: participant's state information is carried in the call back function of the request executing state of following http protocol and returns; Carry described session id in the call back function of described request executing state.
The described IT network user by the method that the conference management client is provided with the MPTY conferencing information is: the IT network user is provided with the MPTY conferencing information by the interface that the conference management client software that is installed in the conference management client is provided;
Described MPTY conferencing information comprises: the participant's of the host's of Multi-Party Conference Subscriber Number and IT network user's appointment Subscriber Number.
Described host/participant is plain old telephone, portable terminal or the intelligent terminal in the communication network.
Described MPTY conferencing information also comprises: whether starts recording, and/or whether starts broadcast meeting-place background sound and background sound ID, and/or the meeting-place size.
Described Subscriber Number is a telephone number, or is exclusively used in unique identification user's number;
If Subscriber Number is the number that is exclusively used in the unique identification user, then be exclusively used in unique identification user's the number and the mapping table of the user's telephone number that is identified at pre-configured this of AS.
After step C, this method also comprises: discharge described meeting-place in many ways, and/or dynamically add the participant, and/or dynamically delete the participant.
Described release Multi-Party Conference further comprises: the IT network user is provided with by the conference management client and finishes the MPTY conferencing information and send this information to conference management server, and this method also comprises:
A1. after the conference management server end MPTY conferencing information that will receive is converted to and discharges conference request, send to application server AS via portal server Web Portal;
B1.AS is according to discharging the information of carrying in the conference request, discharge the participant and return from MRS by SoftSwitch and discharge the participant and reply, AS discharges Media Stream passage that the participant takies and returns the participant from MRS to the MRS application and discharges the Media Stream passage and reply simultaneously;
C1.AS is according to discharging the information of carrying in the conference request, discharges the host and return from SoftSwitch by SoftSwitch to discharge the host and reply, and AS discharges all resources of described meeting-place in many ways and returns from MRS to the MRS application and discharges the meeting-place and reply simultaneously.
In step a1, after described AS receives and discharges conference request, this method also comprises: AS checks whether the release conference request that receives is legal, if legal, enter step b1 after then returning the closing session request success response of carrying described session id to conference management server via Web Portal; Otherwise, then return method ends flow process behind the closing session request failure response that carries reason-code to conference management server via Web Portal.
Described release conference request is to follow the message of http protocol; Carry in the described release conference request and finish the MPTY conferencing information.
Described closing session request message is a closing session request interface function of following http protocol.
In step b1, described AS discharges before the participant by SoftSwitch, and this method also comprises: AS applies for playback to MRS, notifies the each side's meeting in the described meeting-place in many ways to close to an end, and returns success to AS after MRS finishes and replys.
This method also comprises: AS via Web Portal to the conference management server state information of returning that meeting adjourned.
The method of the described state information of returning that meeting adjourned is: meeting done state information is carried in the call back function of the request executing state of following http protocol and returns.
Described dynamic adding participant comprises that further the IT network user is provided with by the conference management client and adds participant's information and send this information to conference management server, and this method also comprises:
A2. the conference management server adding participant information translation that will receive sends to application server AS for after adding participant's request message via portal server Web Portal;
B2.AS is according to adding the information of carrying in participant's request message, calling out by SoftSwitch describedly needs the participant that adds and returns from SoftSwitch to call out the participant and reply, and AS adds newly-increased participant to described meeting-place in many ways and return the participant from MRS and add the meeting-place and reply and set up the Media Stream passage to the MRS application simultaneously;
C2.AS returns the participant via Web Portal to conference management server and adds the meeting-place and reply.
In step a2, after described AS receives and adds participant's request message, this method also comprises: AS checks whether the adding participant request message that receives is legal, if legal, then return to conference management server and enter step b2 after the adding participant who carries described session id asks success response via Web Portal; Otherwise, then via Web Portal method ends flow process after conference management server returns the adding participant who carries reason-code to ask failure response.
Described adding participant request message is a message of following http protocol; Carry in the described adding participant request message and add participant's information.
Described adding participant request message is an adding participant request interface function of following http protocol.
Described participant adds the meeting-place and replys call back function for the request executing state of following http protocol.
Described dynamic deletion participant comprises that further the IT network user is provided with deletion participant's information and sends this information to conference management server by the conference management client, and this method also comprises:
A3. the conference management server deletion participant information translation that will receive for deletion participant request message after, send to application server AS via portal server Web Portal;
B3.AS is according to the information of carrying in the deletion participant request message, disconnect by SoftSwitch and describedly to need the participant of deletion and to return to disconnect connecting from SoftSwitch to reply, AS disconnects the participant that needs deletion to the Media Stream passage in described meeting-place in many ways and return disconnection Media Stream passage from MRS and reply to the MRS application simultaneously;
C3.AS returns the deletion participant via Web Portal to conference management server and replys.
In step a3, after described AS receives deletion participant request message, this method also comprises: AS checks whether the deletion participant request message that receives is legal, if legal, then return to conference management server and enter step b3 after the deletion participant who carries described session id asks success response via Web Portal; Otherwise, then via Web Portal method ends flow process after conference management server returns the deletion participant who carries reason-code to ask failure response.
Described deletion participant request message is a message of following http protocol; Carry deletion participant information in the described deletion participant request message.
Described deletion participant request message is a deletion participant request interface function of following http protocol.
Described deletion participant replys the call back function for the request executing state of following http protocol.
This method also comprises: after described conference management server receives response from AS, all the information of carrying in the described response is transmitted to the conference management client and shows.
As seen from the above technical solution, among the present invention, user in the IT network, such as internet (Internet) user or other IT network user by the conference management client software or have the Web browser of conference management client plug-in, behind the layout setting MPTY conferencing information that provides by conference management client software/plug-in unit, initiate to create request for conference to the conference management server application that MPTY conference management function is provided; After conference management server receives the MPTY conferencing information of user's setting, by NGN is the MPTY meeting interface that the portal server (Web Portal) of IT network opening provides, send the establishment conference request to application server (AS), AS is according to creating the MPTY conferencing information that conference request is carried, create the MPTY meeting-place by session initiation protocol (SIP) signaling control Media Resource Server, AS is according to creating the MPTY conferencing information that conference request is carried simultaneously, pass through SIP signaling control soft switchcall server and call out the host of initiation meeting and each participant of conference participation, AS is the Media Stream passage that the each side of access success is established to the MRS meeting-place, and the sound mixing function of realization multipartite voice stream etc., host/participant described here is the plain old telephone in the communication network, portable terminal or intelligent terminal; After the success of MPTY conference creation, AS passes through the state of Web Portal notification of meetings management server conference creation result and meeting each side, which callee to be connected in the meeting-place such as, which callee's no response etc., conference management server send to conference management client or browser with these information and to user's display conference situation.
After the session startup, AS can charge, monitor the call state of meeting each side etc. to meeting each side according to the charging regulation that has disposed.The meeting support can be passed through conference management client transmission closing session request and send AS to via Web Portal, AS carries out the connection of cutting off the meeting participant of each side after receiving the closing session request message, discharge sequence of operations such as MRS meeting-place, charging, then relevant information is returned conference management client or browser to the user.
During the MPTY meeting was carried out, the meeting promoter can pass through the conference management client and send dynamically adding/deletion participant's request, and was specifically finished calling/disconnection connection of participant by AS; In addition, communication network users can be by the calling host or by dialing the access code of default adding Multi-Party Conference, and according to Voice Navigation application adding meeting, the conference management client software that also can pass through self to install adds meeting to the conference management server application.
The inventive method has realized that by NGN the IT network user creates and managerial meeting in real time by open interface.
Description of drawings
Fig. 1 is that the present invention passes through the networking structure schematic diagram that NGN realizes the MPTY meeting;
Fig. 2 is the flow chart that the present invention creates the MPTY meeting;
Fig. 3 is the flow chart that the present invention discharges the MPTY meeting;
Fig. 4 is a kind of flow chart that adds the participant in the MPTY meeting of the present invention;
Fig. 5 is a kind of flow chart of deleting the participant in the MPTY meeting of the present invention.
Embodiment
Core concept of the present invention is: the IT network user passes through the conference management client and the MPTY conferencing information is set and initiates the MPTY meeting to conference management server, conference management server sends to AS via Web Portal after the MPTY conferencing information that receives is converted to the establishment conference request; AS carries out authentication according to creating the information of carrying in the conference request to the host who initiates the MPTY meeting, and calls out the host by SoftSwitch, and AS applies for meeting-place in many ways to MRS simultaneously, and the host is added the meeting-place in many ways of having applied for; AS calls out the participant according to creating the information of carrying in the conference request by SoftSwitch, and AS applies for the participant of access success is added described meeting-place in many ways of having applied for to MRS simultaneously.The inventive method realized that user in the IT network initiates and communication network users between media conference in many ways.The inventive method has realized that by NGN the IT network user creates and managerial meeting in real time by open interface.
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing preferred embodiment that develops simultaneously, the present invention is described in more detail.
Fig. 1 is that the present invention passes through the networking structure schematic diagram that NGN realizes the MPTY meeting, from Fig. 1 as seen, realizes the MPTY meeting in order to pass through NGN, comprises in the networking with lower unit:
The conference management client: being used to install the conference management client software, is the terminal that conference management client software interface is provided to the user.The open TCP/IP port of conference management client, the information interaction between realization and conference management server.The conference management client receives the conference management solicited message of user by the input of conference management client software interface, and this information is sent to conference management server; Simultaneously, the conference management client receives the message that client management server returns or initiatively report, and the conference status in the message is presented on the user interface.Wherein, the conference management client software can exist with the form of stand alone software program, also can be the plug-in unit of Web browser; The conference management solicited message comprises the request for conference information of creating, closing session solicited message, adds participant's solicited message and deletion participant solicited message etc.
Usually, the conference management client can be separately a personal computer (PC), also can use a PC jointly with conference management server, only needs the conference management client provide the interface protocol of Web Portal opening to get final product.The conference management client software can also be integrated with NGN audio/video software terminal.
Conference management server: receive the conference management request of conference management client, the conference management solicited message of agreement between conference management client and conference management server will be satisfied, be converted to satisfy between conference management server and the Web Portal and send to Web Portal behind the conference management request message based on http protocol, and give the conference management client the forwards that Web Portal returns.The agreement of carrying conference management request and response message does not limit between conference management server and the meeting administrative client.A conference management server can be connected with a plurality of conference management clients, and different conference management clients can be distinguished with different IP addresses.
To the portal server of Internet or other IT network opening, generally be connected with Internet or other IT network among the Web Portal:NGN by fire compartment wall.The conference management request message that Web Portal is used for receiving from conference management server is transmitted to AS.The open serve port that meets http protocol of Web Portal is realized MPTY meeting interface.The fail safe that conference management server inserts Web Portal can realize by login authentication, conversation mechanism and the Secure Sockets Layer(SSL) technology based on HTTP.
AS: resolve conference management request message from Web Portal, realize service logics such as Multi-Way Calling control, charging, media stream resources such as control MRS foundation/deletion meeting-place, broadcast voice, video, the call event that monitoring soft switch (SoftSwitch) reports etc.
MRS: under the control of AS, create the meeting-place and insert each side's terminal, and the each side in the meeting-place plays Media Streams such as voice, video.Reception is play to the participant who inserts the meeting-place of appointment from the Media Stream of each side in the meeting-place again.MRS externally provides SIP signaling interface and real-time transport protocol (rtp)/RTCP Real-time Transport Control Protocol (RTCP) MCI that meets Session Initiation Protocol.
SoftSwitch: by media gateway, SGW and PSTN net, mobile network, the Internet net interconnecting of IP bearer network, realize comprising pstn telephone terminal, portable terminal, the PC software terminal that is connected with NGN IP bearer network, soft switch intelligent terminal (intelligent terminal) etc. calling access, route, continue, control etc.
Based on networking structure shown in Figure 1, the present invention proposes the method that a kind of NGN of passing through realizes the MPTY meeting, Fig. 2 is the flow chart that the present invention creates the MPTY meeting, suppose the conference management client software to be installed in the conference management client, the user lands conference management server by the interface that the conference management client software provides, and imported the relevant information of initiating the MPTY meeting, as host's Subscriber Number, the participant's Subscriber Number that participates in a conference, the meeting-place size of initiating meeting, whether start sound-recording function, whether start background music etc.; The conference management client sends to conference management server after can passing through the relevant information packing of serial data packet with the meeting of above-mentioned initiation MPTY; After conference management server receives the relevant information of initiation MPTY meeting of above-mentioned user input, be converted between conference management server and the Web Portal based on the establishment conference request of http protocol, this method is specifically further comprising the steps of:
Step 200~step 201: the establishment conference request after conference management server will be changed is passed through the MPTY meeting interface that NGN provides to the Web Portal to the IT network opening, send to WebPortal, the establishment conference request that while Web Portal will receive is transmitted to AS, AS checks whether the establishment conference request is legal, if it is legal, then return the establishment request for conference success response of carrying session id synchronously to Web Portal, Web Portal is transmitted to the session id that receives the conference management client and shows this information by session management server simultaneously, enters step 202 afterwards; Otherwise, return process ends after the establishment request for conference success response of carrying error code.
Interface between conference management server and the Web Portal is followed http protocol, and the information parameter of transmission can adopt the carrying of XML formatted file.Specifically, the interface between conference management server and the Web Portal can adopt interface function to represent, function name and input parameter value are transmitted by HTTP request message body, and function return value is realized by the response message body carrying of HTTP request.Creating meeting interface function CreateConf () such as definition is:
String?CreateConf(String?strCompereID,String[]strCallees,StringstrBackgroundVoice,int?nRecordingType,int?nConfSize)
Wherein, the parameter declaration in the CreateConf () function is as follows:
StrCompereID: the meeting promoter, promptly host's Subscriber Number is defined as character string; Here, Subscriber Number can be the unique identification hosts' such as job number that set in advance in telephone number, the internal network a identification number.Need to prove, if when adopting other identification number outside the telephone number, the mapping table between should pre-configured this identification number in the AS corresponding user's telephone number with this identification number.
StrCallees: invite the participant's who adds the meeting-place Subscriber Number when the host creates meeting, be defined as the character string array.The length of this character string array can be for zero, one or more.
StrBackgroundVoice: whether start when creating the meeting-place and play meeting-place background sound and background sound ID, be defined as character string.Such as: this value is that background sound is not play in 0 expression, be that 1 expression plays with audio file ID is 1 the pairing background sound of audio file, and background sound ID must be consistent with the audio file ID that deposited among the MRS, the background sound that different audio file ID is corresponding different.
NRecordingType: whether start recording when creating the meeting-place, be defined as the integer data.Such as: 0 expression does not start recording; 1 expression starts recording, and the recording file that recording substance can be left in appointment is called in the file of " meeting-place ID sequence number .wav ".
NConfSize: the meeting-place size is defined as the integer data, such as being that 0 expression does not need to reserve.AS is according to creating this meeting-place size parameter control participant's number in the conference request and requiring the pre-first to file of MRS meeting-place respective resources.
Need to prove that above-mentioned CreateConf () function can just illustrate according to some parameter of user's needs increase/deletion here, be not used in restriction method of the present invention.
Can adopt remote procedure call or other private message pass through mechanism to carry out information interaction between Web Portal and the AS, specific implementation is a technology as well known to those skilled in the art, can no longer repeat here referring to related protocol.
In this step, AS receives the establishment conference request that Web Portal transmits, check that the parameter of carrying in this message is legal, such as the type that defines in parameter of carrying in this message and above-mentioned the CreateConf () function and range of parameter values legal etc. after, generate and return immediately session id, session id is the integer greater than 0, be used to distinguish the session that different applications are initiated, the session id that each application generates is unique, session id can produce at random, also can produce according to certain method that sets in advance.
After Web Portal receives this session id, set up to create the session management client and the one-to-one relationship between the session id of session in this locality, such as the corresponding relation between the IP address of the session management client of session id and establishment session.
After if AS receives and creates conference request, failure is then returned and is created the request for conference failure response for a certain reason, carries the error code that causes failure cause in this response, such as: error code-1 expression system exception; It is illegal that parameter is imported in error code-25 expression into; Error code-26 expression host has created the meeting-place, can not repeat to create etc.
After Web Portal obtains success or failure return value that AS returns, with the result, be session id or failure cause error code, be placed in the HTTP response message body and return to conference management server, conference management server is preserved the corresponding relation of session id and client-requested to set up conversation mechanism, and return information is given client then.
Step 202~step 204:AS is according to creating the information of carrying in the conference request, the host is carried out authentication, and return session initiation to Web Portal and reply, Web Portal replys the session initiation that receives by session management server and is transmitted to the conference management client and shows this response message simultaneously.
In AS, prestore the IT network user's user profile, whether have host's qualification, residue funds, management participant ability etc. such as this user.After AS receives the establishment conversation request message, whether the user who judges current establishment meeting has host's qualification, if have, then whether this host's residue funds can be finished this Multi-Party Conference, this host and whether have the ability to convene the Multi-Party Conference of creating participant's quantity of carrying in the conversation request message etc., if satisfy above-mentioned condition, then pass through authentication, AS returns session initiation to WebPortal and replys, and Web Portal replys the session initiation that receives by session management server and is transmitted to the conference management client and shows this information simultaneously; Otherwise failed authentication, AS return the session initiation failure and reply.
Hypothesis session initiation success in this step.
Step 205~step 206:AS sends calling host signaling according to the information of carrying in the establishment conference request to SoftSwitch, and SoftSwitch carries out the calling host after receiving this signaling, and returns the calling host and reply.
Adopt Session Initiation Protocol to realize that specific implementation belongs to technology as well known to those skilled in the art, can no longer repeat referring to related protocol to the control of calling here between AS and the SoftSwitch.
Lets call host success in this step.
Step 207~step 209:AS obtains meeting-place ID and the host is added this meeting-place to MRS application meeting-place, after MRS finishes the meeting-place application and adds the host, meeting-place ID is carried at returns to AS in the successful respond, and between host and MRS, set up the Media Stream passage by SoftSwitch.
Adopt Session Initiation Protocol to realize control between AS and the MRS, specific implementation belongs to technology as well known to those skilled in the art, can no longer repeat here referring to related protocol.
Step 210~step 211:AS returns meeting-place and host's state information to Web Portal, and Web Portal is transmitted to meeting-place and the host's state information that receives the conference management client and shows this information by session management server simultaneously.
Interface between conference management server and the Web Portal is followed http protocol, and the information parameter of transmission can adopt the carrying of XML formatted file.Specifically, the interface between conference management server and the Web Portal can adopt interface function to represent.
Establishment meeting HTTP interface function CreateConf () is provided in step 200~step 201, here, for the information that will create the request for conference response is returned conference management server from Web Portal, require conference management server to the HTTP interface that Web Portal provides the carrying call back function, ask the call back function NotifyStatus () of executing state to be such as definition:
String?NotifyStatus(String?strSessionID,int?nEventID,String?strConfID,String[]strUserID,String[]strStatus,String[]strDescription)
Wherein, the parameter declaration in the NotifyStatus () function is as follows:
StrSessionID: session id is defined as character string type, in order to discern the corresponding establishment request for conference of successfully having been accepted by AS of this readjustment.
NEventID: asynchronous event ID is defined as integer, is used to distinguish the readjustment message of various objectives, and asynchronous event ID and event description are exemplified below:
1 is illustrated in and creates during meeting replys, and authentication is passed through; 2 are illustrated in and create during meeting replys, and create the success of MRS meeting-place; 3 are illustrated in and create meeting and creating meeting in replying, starting and play background sound; 4 are illustrated in and create during meeting replys, and creating meeting, are starting the meeting-place recording; 5 are illustrated in and create during meeting replys, and the host enters the meeting-place; 6 are illustrated in and create during meeting replys, and call out participant's state; 7 expression request closing sessions are replied; 8 expression hosts add the participant and reply to the meeting-place; 9 expression hosts reply from meeting-place deletion participant; 10 expressions are play the meeting-place background sound and are replied; 11 expressions stop to play the meeting-place background sound and reply; 12 expression beginning meeting-place camed replies; 13 expressions finish meeting-place camed replies or the like.
StrConfID: meeting-place ID, be defined as character string type, when the meeting-place is created successfully, utilize this parameter will return unique identification id that this has created successful meeting-place.
StrUserID: Subscriber Number, be defined as the character string type array, this array is deposited the Subscriber Number that to need in the Multi-Party Conference to participate in returning the each side of talking state, comprises host or each participant's Subscriber Number.Wherein, can be with first value of this array, i.e. strStatus[0] be expressed as the state of host's correspondence.In this step, strStatus[0] be expressed as the result that the host creates meeting.
StrStatus: state value, be defined as the character string type array, at each asynchronous event ID different state values is arranged, be that success, failure, system exception or system are overtime or the like such as the state of certain asynchronous event ID correspondence.
StrDescription; The descriptor of state value correspondence is defined as the character string type array.Such as the reason of the incident failure that is used to specifically describe certain asynchronous event ID correspondence etc.
Need to prove that above-mentioned NotifyStatus () function can just illustrate according to some parameter of user's needs increase/deletion here, be not used in restriction method of the present invention.
Step 212~step 216:AS is according to creating the information of carrying in the conference request, send calling participant signaling to SoftSwitch, SoftSwitch carries out the calling participant after receiving this signaling, and return and call out the participant and reply, during replying, this carries the whether information of access success of participant; Afterwards, AS adds the meeting-place of current meeting-place ID correspondence to MRS application with the participant of access success, after MRS adds the participant, adds between the participant in meeting-place and the MRS by SoftSwitch and to set up the Media Stream passage at each.
Adopt Session Initiation Protocol to realize control between AS and SoftSwitch, the MRS, specific implementation belongs to technology as well known to those skilled in the art, can no longer repeat here referring to related protocol.
Step 217~step 218:AS returns participant's state information to Web Portal, and WebPortal is transmitted to the participant's state information that receives the conference management client and shows this information by session management server simultaneously.
The specific implementation of this step can adopt the NotifyStatus () function in step 210~step 211 to realize, concrete parameter declaration is seen and no longer repeated here described in step 210~step 211.
So far, the user who initiates to create Multi-Party Conference, be to set up the MPTY meeting-place between host and the participant, each side can carry out Multi-Party Conference by the Media Stream passage of setting up, AS charges to meeting each side according to the charging regulation that has disposed, and the call state of monitoring meeting each side etc., reached the purpose of the present invention by NGN realization Multi-Party Conference.
The method of creating the MPTY meeting from the invention described above as can be seen, pass through interface function between the Web Portal in conference management server and NGN based on http protocol, realized creating the transmission of request for conference and establishment meeting response message, conference management server is transmitted to the conference management client with the conference creation state information that obtains and shows, makes the user who initiates Multi-Party Conference to monitor the process of creating.
When above-mentioned conversation need finish, initiate the request of closing session by the session management client, Fig. 3 is the flow chart that the present invention discharges the MPTY meeting, conference management server receives the closing session information from the input of conference management client, behind host's Subscriber Number, meeting-place ID etc., be based on the closing session request message of http protocol between conference management server and the Web Portal with the information translation that receives.Web Portal is transmitted to AS with the closing session request message, AS is according to information such as the host's who carries in the closing session request message Subscriber Number, meeting-place ID, verify that the Media Stream passage of initiating the each side of release conference participation after host's identity and meeting-place ID meet is connected, discharges the meeting-place, finishes charging etc., specifically may further comprise the steps:
Step 300~step 301: the closing session request message after conference management server will be changed passes through the MPTY meeting interface that NGN provides to the Web Portal to the IT network opening, send to WebPortal, Web Portal is transmitted to AS with the closing session request message that receives simultaneously, AS checking closing session request message is legal and enter step 302 after Web Portal returns closing session request success response synchronously, otherwise, return process ends behind the closing session request failure response synchronously.
Closing session request between conference management server and the Web Portal can adopt interface function to realize, such as definition closing session request interface function R eleaseConf () is:
String?ReleaseConf(String?strConfID,String?strCompereID)
Wherein, the parameter declaration in the ReleaseConf () function is as follows:
StrConfID: meeting-place ID is defined as character string type;
StrCompereID: host's Subscriber Number is defined as character string type.
Whether AS checking closing session request message is legal, if legal, then returns closing session request success response message synchronously, carries the session id of this Multi-Party Conference in this closing session request success response message; If illegal, then return closing session request failure response message synchronously, in closing session request failure response message, carry the reason-code that causes failure, such as: reason-code-1 expression system exception; It is illegal that reason-code-25 expression closing session request message carries parameter; Reason-code-30 expression meeting-place ID does not exist; Reason-code-31 expression host's Subscriber Number is not the corresponding host's of meeting-place ID a Subscriber Number; Reason-code-36 expression affairs are just busy, do not allow this user is operated or the like.
Hypothesis AS checking closing session request message is legal in this step, and promptly the Subscriber Number of host's correspondence of carrying in the closing session request message is consistent with current host and meeting-place ID with meeting-place ID.
Need to prove that above-mentioned ReleaseConf () function can just illustrate according to some parameter of user's needs increase/deletion here, be not used in restriction method of the present invention.
Step 302~step 310:AS initiates to discharge the connection of Media Stream passage, the release meeting-place of conference participation each side.
Specific implementation comprises: AS applies for playback to MRS, and the each side's meeting that participates in a conference with notice closes to an end, and returns the playback successful respond to AS after MRS finishes; After AS receives this playback successful respond, send the participant's request that discharges, after SoftSwitch release participant calls out connection, return the release participant to AS and reply to SoftSwitch; Then, AS sends the release participant to MRS and takies the Media Stream channel request, and MRS release participant's Media Stream passage also returns the release of participant's Media Stream passage to AS and replys; Afterwards, AS sends the host's request that discharges to SoftSwitch, after SoftSwitch release host calls out connection, returns the release host to AS and replys, last AS sends to MRS and discharges the meeting-place resource request, and MRS discharges all resources of meeting-place and returns the release meeting-place to AS and reply.
Adopt Session Initiation Protocol to realize control between AS and SoftSwitch, the MRS, specific implementation belongs to technology as well known to those skilled in the art, can no longer repeat here referring to related protocol.
Step 311~step 312:AS is to the Web Portal state information of returning that meeting adjourned, and WebPortal will receive that meeting adjourned state information is transmitted to the conference management client and shows this information by session management server simultaneously.
The specific implementation of this step can adopt the NotifyStatus () function in step 210~step 211 to realize, concrete parameter declaration is seen and no longer repeated here described in step 210~step 211.
At this moment, the asynchronous event ID in the NotifyStatus () function is 7; State information can comprise: 0 represents successfully ,-1 expression system exception, and-2 expression host Subscriber Numbers do not exist, and-12 expression systems are overtime or the like.
So far, meeting adjourned for MPTY.
In addition, for dynamic adding/deletion participant in Multi-Party Conference carries out, the inventive method has also further provided concrete processing method.
Fig. 4 be the present invention a kind of in the MPTY meeting host initiatively add participant's flow chart, this process comprises by the conference management client end interface, the user imports the participant's information that needs adding, after conference management server receives and adds participant's information, this information translation for adding participant's request message, specifically be may further comprise the steps afterwards:
Step 400~step 401: conference management server will add participant's request message and pass through the MPTY meeting interface that NGN provides to the Web of IT network opening Portal, send to Web Portal, the adding participant request message that while Web Portal will receive is transmitted to AS, it is legal and return synchronously to add to Web Portal and enter step 402 after the participant asks success response that AS checking adds participant's request message, otherwise, return synchronously and add the participant and ask process ends behind the failure response.
Adding participant request message between conference management server and the Web Portal can adopt the interface function of http protocol carrying to realize, adds participant request interface function AddIntoConf () such as definition to be:
String?AddIntoConf?(String?strConfID,String?strCompereID,StringstrCallee,int?nCalleeRole)
Wherein, the parameter declaration in the AddIntoConf () function is as follows:
StrConfID: meeting-place ID is defined as character string type;
StrCompereID: host's Subscriber Number is defined as character string type;
StrCallee: the Subscriber Number that adds the participant of meeting; Here, strCallee is commonly defined as character string type, promptly once adds participant's request and can add a participant, also strCallee can be defined as the character string type array, promptly once adds participant's request and can add a plurality of participants simultaneously.
NCalleeRole: add meeting person role, be defined as integer.0 expression adds the participant by the host.1 expression is not that host's user initiatively applies for adding the meeting-place by the session management client of self installing to conference management server.
Whether the AS checking adds participant's request message legal, if legal, then return the adding participant synchronously and ask success response message, and this adding participant asks to carry in the success response message session id of this Multi-Party Conference; If illegal, then return the adding participant synchronously and ask failure response message, the participant asks to carry in the failure response message reason-code that causes failure in adding, such as: reason-code-1 expression system exception; It is illegal that reason-code-25 expression closing session request message carries parameter; Reason-code-30 expression meeting-place ID does not exist; Reason-code-31 expression host's Subscriber Number is not the corresponding host's of meeting-place ID a Subscriber Number; Reason-code-36 expression affairs are just busy, do not allow this user is operated; This user of cause value-60 expression is in the meeting-place or the like.
It is legal that hypothesis AS checking adds participant's request message in this step, the Subscriber Number that promptly adds host's correspondence of carrying in participant's request message is consistent with current host and meeting-place ID with meeting-place ID, and the Subscriber Number of the participant's correspondence that adds is not in current meeting-place.
Need to prove that above-mentioned AddIntoConf () function can just illustrate according to some parameter of user's needs increase/deletion here, be not used in restriction method of the present invention.
Step 402~step 406:AS is according to adding the information of carrying in participant's request message, send participant's signaling that calling needs adding to SoftSwitch, SoftSwitch carries out this participant of calling after receiving this signaling, and return and call out the participant and reply, during replying, this carries the whether information of access success of participant; If success, AS with the meeting-place that this participant adds current meeting-place ID correspondence, behind the MRS adding participant, sets up the Media Stream passage by SoftSwitch to the MRS application between this participant and MRS.
This step realizes with step 212~step 216 in full accord, no longer repeats here.
Step 407~step 408:AS returns the participant to Web Portal and adds the meeting-place and reply, and Web Portal adds the meeting-place with the participant who receives and replys by session management server and be transmitted to the conference management client and show this response message simultaneously.
The specific implementation of this step can adopt the NotifyStatus () function in step 210~step 211 to realize, concrete parameter declaration is seen and no longer repeated here described in step 210~step 211.
At this moment, the asynchronous event ID in the NotifyStatus () function is 9; State information can comprise: 0 represents successfully,-1 expression system exception,-2 expression host Subscriber Numbers do not exist,-3 expression called numbers do not exist,-8 expression host's user balance or limit deficiencies,-11 expression called numbers use, and-12 expression systems are overtime, the called do-not-disturb functionality that is provided with of-16 expressions, refusal is called out,-17 expression Called Busy, the called no response of-18 expressions ,-19 expressions are called to be spacing, called can't the connection of-21 expressions,-53 expression meeting-place inadequate resources ,-61 expression users add the meeting-place failure ,-62 expression user on-hooks or the like.
So far, successfully added the participant.
Except that adding participant's shown in Figure 4 method, also can be by the user terminal in the IP bearer network by dialing default adding Multi-Party Conference access code, add active conference by SoftSwitch to the AS application, after AS returns to the session management client with this user terminal information and gets the nod, this user terminal is joined in the current meeting-place according to the described flow process of Fig. 4.Here AS returns to the session management client with this user terminal information and belongs in conversation procedure, and AS is initiatively to the session management server reported event.
For in conference process, AS can initiatively require to add the meeting-place request with above-mentioned user terminal and the conference site state that monitors reports conference management server, has defined reporting events interface function ReportMessage ().
String?ReportMessage(String?strSessionID,int?nEventID,String?strConfID,String?strUserID,String?strStatus,String?strDescription)
Wherein, the parameter declaration in the ReportMessage () function is as follows:
StrSessionID: session id, be defined as character string type, this unique ID that calls of the sign that produces during the AS reported event, conference management server use this session id sign when reported event is carried out asynchronous replying.
NEventID: event id, be defined as integer, be used to identify the incident that reports.
StrConfID: meeting-place ID, be defined as character string type, when the meeting-place is created successfully, this parameter will be returned unique identification id in new establishment meeting-place.
StrUserID: Subscriber Number, be defined as character string type, this parameter is deposited the number that needs return state.
StrStatus: state value, be defined as character string type, at each reported event ID different state values is arranged, be that success, system exception or system are overtime or the like such as the state of certain reported event ID correspondence.
StrDescription: the descriptor of state value correspondence is defined as character string type.Such as being used to failure cause that specifically describes certain reported event ID correspondence etc.
Each parameter basically identical of NotifyStatus () function in the definition of each parameter and the step 210~step 211 in above the ReportMessage () function, the main distinction is, in the ReportMessage () function, event id and event description are the active reported event, such as: 104 expression conference background sounds finish; 106 expression participant on-hooks; 107 expression participant expense deficiencies walk out; 108 expression host on-hooks, meeting continues; 109 expression host on-hooks, meeting finishes automatically; 110 expression host expense deficiencies, meeting finishes automatically; 111 expression meeting abnormal endings; 112 expression meeting-place number deficiencies or host be not in the meeting-place, and meeting finishes or the like automatically.
Need to prove that above-mentioned ReportMessage () function can just illustrate according to some parameter of user's needs increase/deletion here, be not used in restriction method of the present invention.
Fig. 5 be the present invention a kind of in the MPTY meeting host initiatively delete participant's flow chart, this process comprises by the conference management client end interface, the user imports the participant's information that needs deletion, after conference management server receives deletion participant information, this information translation is deletion participant request message, specifically may further comprise the steps afterwards:
Step 500~step 501: the deletion participant request message after conference management server will be changed passes through the MPTY meeting interface that NGN provides to the Web of IT network opening Portal, send to WebPortal, the deletion participant request message that while Web Portal will receive is transmitted to AS, AS checking deletion participant request message is legal and return synchronously to Web Portal and to enter step 502 after the deletion participant asks success response, otherwise, return the deletion participant synchronously and ask failure response.
Deletion participant request message between conference management server and the Web Portal can adopt interface function to realize, such as definition deletion participant request interface function KickOutFromConf () is:
String?KickOutFromConf(String?strConfID,String?strCompereID,StringstrCallee)
Wherein, the parameter declaration in the KickOutFromConf () function is as follows:
StrConfID: meeting-place ID is defined as character string type;
StrCompereID: host's Subscriber Number is defined as character string type;
StrCallee: the participant's of deletion meeting Subscriber Number; Here, strCallee is commonly defined as character string type, promptly once deletes participant's request and can delete a participant, also strCallee can be defined as the character string type array, promptly once deletes participant's request and can delete a plurality of participants simultaneously.
Whether AS checking deletion participant request message is legal, if legal, then return the deletion participant synchronously and asks success response message, and this deletion participant asks to carry in the success response message session id of this Multi-Party Conference; If illegal, then return the deletion participant synchronously and ask failure response message, the participant asks to carry in the failure response message reason-code that causes failure in deletion, such as: reason-code-1 expression system exception; It is illegal that reason-code-25 expression closing session request message carries parameter; Reason-code-30 expression meeting-place ID does not exist; Reason-code-31 expression host's Subscriber Number is not the corresponding host's of meeting-place ID a Subscriber Number; Reason-code-36 expression affairs are just busy, do not allow this user is operated; Cause value-98 expression quiescing, such as the Subscriber Number correspondence that requires to delete is host or the like.
Hypothesis AS checking deletion participant request message is legal in this step, the Subscriber Number of promptly deleting host's correspondence of carrying in participant's request message is consistent with current host and meeting-place ID with meeting-place ID, and the Subscriber Number of participant's correspondence of deletion is not host's Subscriber Number and is present in the current meeting-place.
Need to prove that above-mentioned KickOutFromConf () function can just illustrate according to some parameter of user's needs increase/deletion here, be not used in restriction method of the present invention.
Step 502~step 507:AS applies for playback to MRS, and the participant of the each side's deletion appointment that participates in a conference with notice returns to AS MRS finishes after and deletes the participant and reply; After AS receives that this deletion participant replys, send the connection request that disconnects the participant that need delete, after SoftSwitch release needs the participant of deletion to call out connection, return the disconnection connection to AS and reply to SoftSwitch; Then, the Media Stream channel request that the participant that AS need delete to MRS transmission release takies, MRS release need be deleted participant's Media Stream passage and be returned the release of disconnection Media Stream passage to AS and reply.
Adopt Session Initiation Protocol to realize control between AS and SoftSwitch, the MRS, specific implementation belongs to technology as well known to those skilled in the art, can no longer repeat here referring to related protocol.
Step 508~step 509:AS returns the deletion participant to Web Portal and replys, and the deletion participant that while WebPortal will receive replys by session management server and is transmitted to the conference management client and shows this information.
The specific implementation of this step can adopt the NotifyStatus () function in step 210~step 211 to realize, concrete parameter declaration is seen and no longer repeated here described in step 210~step 211.
At this moment, the asynchronous event ID in the NotifyStatus () function is 10; State information can comprise: 0 represents successfully ,-1 expression system exception, and-2 expression host Subscriber Numbers do not exist, and-3 expression called numbers do not exist, and-12 expression systems are overtime ,-62 expression users on-hook etc.
So far, successfully deleted the participant.
Description from above the inventive method, as can be seen, the invention provides the IT network user and insert the NGN network, initiate, manage the MPTY meeting between the multiple communication network users according to the conference management request that the IT network user is provided with by the AS among the NGN by conference management client software and conference management server.Wherein conference management capabilities comprises: initiate meeting, closing session, dynamically add the side of participant in meeting, in the deletion meeting, and management reported event initiatively, pass through the access code request as third party in the meeting and add in meeting-place, the AS monitoring meeting each side's connection status etc.
The invention provides by the IT network user instant initiate and communication network users between the ability of media conference in many ways, can realize the multimedia collaborative meetings such as data, voice, video of Internet or other IT Networks and Communications net based on this method.
Among the present invention, if the soft telephone capability of conference management server or the integrated support Session Initiation Protocol of conference management client software, and distributed soft switch number, then the NGN IP bearer network gateway that can directly meeting management request be passed through to be connected with the IT network is linked into SoftSwitch, insert AS by SoftSwitch then, transmit Multi-Party Conference control signaling by Session Initiation Protocol between soft phone and the AS, also can realize initiating and managing the function that Multi-Party Conference is communicated by letter.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.

Claims (34)

1. the method by next generation network NGN realization Multi-Party Conference is characterized in that, the IT network user passes through the conference management client and the MPTY conferencing information is set and initiates the MPTY meeting to conference management server, and this method is further comprising the steps of:
A. after conference management server is converted to the establishment conference request with the MPTY conferencing information that receives, send to application server AS via portal server Web Portal;
B.AS is according to creating the information of carrying in the conference request, host to the MPTY meeting carries out authentication, and by soft switch SoftSwitch calling host, AS applies for meeting-place in many ways to Media Resource Server MRS simultaneously, and the host is added the meeting-place in many ways of having applied for;
C.AS calls out the participant according to creating the information of carrying in the conference request by SoftSwitch, and AS applies for the participant of access success is added described meeting-place in many ways of having applied for to MRS simultaneously.
2. method according to claim 1, it is characterized in that, in steps A, after described AS receives and creates conference request, this method also comprises: AS checks whether the establishment conference request that receives is legal, if legal, enter step B after then generating session id and returning the establishment request for conference success response of carrying session id to conference management server via Web Portal; Otherwise, then return method ends flow process behind the establishment request for conference failure response that carries error code to conference management server via Web Portal.
3. method according to claim 1, it is characterized in that, conference management server described in the steps A is converted to the MPTY conferencing information that receives and creates conference request and be: will satisfy the described MPTY conferencing information of agreement between conference management client and conference management server, and be converted into the establishment conference request that satisfies between conference management server and Web Portal based on http protocol; Carry the MPTY conferencing information in the described establishment conference request.
4. method according to claim 3 is characterized in that, described establishment conference request is to follow the establishment meeting interface function of http protocol.
5. method according to claim 1, it is characterized in that, AS described in the step B carries out the host after the authentication, and this method also comprises before the calling host: if by authentication, then AS returns the session initiation success message via WebPortal to conference management server; Otherwise AS is via Web Portal method ends flow process after conference management server returns the session initiation failed message.
6. method according to claim 2 is characterized in that, in step B,
Described AS calls out after the host by SoftSwitch, applies for that in many ways this method also comprises before the meeting-place: SoftSwitch returns to AS and calls out the host and reply;
Described host adds in many ways after the meeting-place, and this method also comprises: MRS returns success to AS and replys.
7. method according to claim 6 is characterized in that, in step B, described MRS to AS return success reply after, this method also comprises: AS returns meeting-place and host's state information via Web Portal to conference management server.
8. method according to claim 7 is characterized in that, the described method of returning meeting-place and host's state information is: meeting-place and host's state information are carried in the call back function of the request executing state of following http protocol and return; Carry described session id in the call back function of described request executing state.
9. method according to claim 2 is characterized in that, in step C,
Described AS calls out by SoftSwitch after the participant, and the participant of successful call is added in many ways before the meeting-place, and this method also comprises: SoftSwitch returns to AS and calls out the participant and reply;
Described participant with successful call adds in many ways after the meeting-place, and this method also comprises: MRS returns the participant to AS and adds the meeting-place and reply.
10. method according to claim 9 is characterized in that, in step C, described MRS returns the participant to AS and adds after the meeting-place replys, and this method also comprises: AS returns participant's state information via Web Portal to conference management server.
11. method according to claim 10 is characterized in that, the method for the described participant's of returning state information is: participant's state information is carried in the call back function of the request executing state of following http protocol and returns; Carry described session id in the call back function of described request executing state.
12. method according to claim 1, it is characterized in that, the described IT network user by the method that the conference management client is provided with the MPTY conferencing information is: the IT network user is provided with the MPTY conferencing information by the interface that the conference management client software that is installed in the conference management client is provided;
Described MPTY conferencing information comprises: the participant's of the host's of Multi-Party Conference Subscriber Number and IT network user's appointment Subscriber Number.
13. method according to claim 12 is characterized in that, described host/participant is plain old telephone, portable terminal or the intelligent terminal in the communication network.
14. method according to claim 12 is characterized in that, described MPTY conferencing information also comprises: whether start recording, and/or whether start broadcast meeting-place background sound and background sound ID, and/or the meeting-place size.
15. method according to claim 12 is characterized in that, described Subscriber Number is a telephone number, or is exclusively used in unique identification user's number;
If Subscriber Number is the number that is exclusively used in the unique identification user, then be exclusively used in unique identification user's the number and the mapping table of the user's telephone number that is identified at pre-configured this of AS.
16. method according to claim 1 is characterized in that, after step C, this method also comprises: discharge described meeting-place in many ways, and/or dynamically add the participant, and/or dynamically delete the participant.
17. method according to claim 16, it is characterized in that, described release Multi-Party Conference further comprises: the IT network user is provided with by the conference management client and finishes the MPTY conferencing information and send this information to conference management server, and this method also comprises:
A1. after the conference management server end MPTY conferencing information that will receive is converted to and discharges conference request, send to application server AS via portal server Web Portal;
B1.AS is according to discharging the information of carrying in the conference request, discharge the participant and return from MRS by SoftSwitch and discharge the participant and reply, AS discharges Media Stream passage that the participant takies and returns the participant from MRS to the MRS application and discharges the Media Stream passage and reply simultaneously;
C1.AS is according to discharging the information of carrying in the conference request, discharges the host and return from SoftSwitch by SoftSwitch to discharge the host and reply, and AS discharges all resources of described meeting-place in many ways and returns from MRS to the MRS application and discharges the meeting-place and reply simultaneously.
18. method according to claim 17, it is characterized in that, in step a1, after described AS receives and discharges conference request, this method also comprises: AS checks whether the release conference request that receives is legal, if legal, enter step b1 after then returning the closing session request success response of carrying described session id to conference management server via Web Portal; Otherwise, then return method ends flow process behind the closing session request failure response that carries reason-code to conference management server via Web Portal.
19. method according to claim 17 is characterized in that, described release conference request is to follow the message of http protocol; Carry in the described release conference request and finish the MPTY conferencing information.
20. method according to claim 19 is characterized in that, described closing session request message is a closing session request interface function of following http protocol.
21. method according to claim 17 is characterized in that, in step b1, described AS discharges before the participant by SoftSwitch, this method also comprises: AS applies for playback to MRS, notifies the each side's meeting in the described meeting-place in many ways to close to an end, and returns success to AS after MRS finishes and replys.
22. method according to claim 17 is characterized in that, this method also comprises: AS via Web Portal to the conference management server state information of returning that meeting adjourned.
23. method according to claim 22 is characterized in that, the method for the described state information of returning that meeting adjourned is: meeting done state information is carried in the call back function of the request executing state of following http protocol and returns.
24. method according to claim 16 is characterized in that, described dynamic adding participant comprises that further the IT network user is provided with by the conference management client and adds participant's information and send this information to conference management server, and this method also comprises:
A2. the conference management server adding participant information translation that will receive sends to application server AS for after adding participant's request message via portal server Web Portal;
B2.AS is according to adding the information of carrying in participant's request message, calling out by SoftSwitch describedly needs the participant that adds and returns from SoftSwitch to call out the participant and reply, and AS adds newly-increased participant to described meeting-place in many ways and return the participant from MRS and add the meeting-place and reply and set up the Media Stream passage to the MRS application simultaneously;
C2.AS returns the participant via Web Portal to conference management server and adds the meeting-place and reply.
25. method according to claim 24, it is characterized in that, in step a2, after described AS receives and adds participant's request message, this method also comprises: AS checks whether the adding participant request message that receives is legal, if legal, then return to conference management server and enter step b2 after the adding participant who carries described session id asks success response via Web Portal; Otherwise, then via Web Portal method ends flow process after conference management server returns the adding participant who carries reason-code to ask failure response.
26. method according to claim 24 is characterized in that, described adding participant request message is a message of following http protocol; Carry in the described adding participant request message and add participant's information.
27. method according to claim 26 is characterized in that, described adding participant request message is an adding participant request interface function of following http protocol.
28. method according to claim 24 is characterized in that, described participant adds the meeting-place and replys call back function for the request executing state of following http protocol.
29. method according to claim 16 is characterized in that, described dynamic deletion participant comprises that further the IT network user is provided with deletion participant's information and sends this information to conference management server by the conference management client, and this method also comprises:
A3. the conference management server deletion participant information translation that will receive for deletion participant request message after, send to application server AS via portal server Web Portal;
B3.AS is according to the information of carrying in the deletion participant request message, disconnect by SoftSwitch and describedly to need the participant of deletion and to return to disconnect connecting from SoftSwitch to reply, AS disconnects the participant that needs deletion to the Media Stream passage in described meeting-place in many ways and return disconnection Media Stream passage from MRS and reply to the MRS application simultaneously;
C3.AS returns the deletion participant via Web Portal to conference management server and replys.
30. method according to claim 29, it is characterized in that, in step a3, after described AS receives deletion participant request message, this method also comprises: AS checks whether the deletion participant request message that receives is legal, if legal, then return to conference management server and enter step b3 after the deletion participant who carries described session id asks success response via Web Portal; Otherwise, then via Web Portal method ends flow process after conference management server returns the deletion participant who carries reason-code to ask failure response.
31. method according to claim 29 is characterized in that, described deletion participant request message is a message of following http protocol; Carry deletion participant information in the described deletion participant request message.
32. method according to claim 31 is characterized in that, described deletion participant request message is a deletion participant request interface function of following http protocol.
33. method according to claim 29 is characterized in that, described deletion participant replys the call back function for the request executing state of following http protocol.
34. method according to claim 1 is characterized in that, this method also comprises: after described conference management server receives response from AS, all the information of carrying in the described response is transmitted to the conference management client and shows.
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