CN101772195B - Establishing and joining method of IMS (information management system) trunking conference, distribution system and device - Google Patents
Establishing and joining method of IMS (information management system) trunking conference, distribution system and device Download PDFInfo
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- CN101772195B CN101772195B CN200810186860.3A CN200810186860A CN101772195B CN 101772195 B CN101772195 B CN 101772195B CN 200810186860 A CN200810186860 A CN 200810186860A CN 101772195 B CN101772195 B CN 101772195B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
- H04L65/4046—Arrangements for multi-party communication, e.g. for conferences with distributed floor control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
Abstract
The embodiment of the invention discloses an establishing and joining method of an IMS (information management system) trunking conference, a distribution system and a global conference manager, belonging to the technical field of telecommunications. The invention can effectively solve the problem of joining a trunking conference by voice dialing of the prior art and ensures that a user can normally join the conference when the user needs to join the IMS trunking conference by sound playing and number receiving. Compared with the prior art, the system is additionally provided with the global conference manager used for distributing a globally unique conference number to a conference to be established, storing the conference number in a global conference index table and inquiring SIP (Session Initiation Protocol) application server information of conference deployment according to information requiring to join the conference. The technical scheme of the embodiment can meet the technical requirement of large-scale expansion of the service capability of the IMS trunking conference.
Description
Technical field
The present invention relates to telecommunication technology field, particularly relate to the creation method of a kind of internet protocol IP multimedia subsystem, IMS (IP Multimedia Subsystem, IMS) cluster meeting and add method and dissemination system and overall conference manager.
Background technology
Conversation initialized protocol (Session Initiation Protocol, SIP) be in IP-based network, particularly in the network environment of Internet structure, realize a kind of signaling protocol of real time communication application, the application target of SIP is in the environment based on Internet, realizes data, audio frequency and video real time communication and other multimedia application.Parlay is the application programming interfaces (Application ProgrammingInterface, API) of a telecommunication service.These interfaces have covered the function of various telecommunications networks, such as, call out control, short message service SMS/ MMS MMS, location, charging, in seat and availability management and tactical management etc.What Parlay application was at present used is Session Initiation Protocol, and the IMS convention business based on Session Initiation Protocol is a kind of important Parlay application.
IMS meeting is with media server (Media Server, MS) centered by, meeting can be passed through core net (CoreNet) side by user terminal and initiate, also can be by sip application server (SIPAS, claim again SIP Server or Parlay Server, the unified SIP Server that is called, lower same herein) initiate.The signaling of meeting has initiation (INVITE) flow process SIP signaling and the SIP INFO control signal of standard.During Meeting Held, can exhale user terminal membership by SIPAS; Also can be by user terminal from core net incoming call, by adding meeting after MS playback (playing sound), collect the digits (collection number), Authority Verification.
In very great telecommunication service operating environment, separate unit SIP AS, no matter from call treatment speed or capacity performance index, is difficult to meet following a large amount of concurrent call and processes needs.Therefore need to adopt Clustering to process IMS convention business.The IMS cluster meeting route distribution scheme adopting at present, can be for following scene:
1) conference users creates meeting from network side INVITE, SIP distributor (SIP Dispatcher) is given to a SIP Server by load balancing principle by SIP signaling, this SIP Server resolves SIP Uniform Resource Identifier URI (Uniform Resource Identifier), judges that user will create new meeting after logical process.If conference users is carried abundant information in SIP signaling, for example in SIP URI or other field, have meeting access code, user ID, meeting encrypted message, by this one-stage dialing just can be on this SIP Server by authentication operations and create conference session.In the IMS convention business having, if add above user ID and meeting encrypted message in the Session Description Protocol SDP of INVITE, also can create conference session.
2) conference users adds cluster meeting from network side INVITE, SIP Dispatcher analyzes the feature of SIP signaling, if have meeting number in SIP signaling, SIP Dispatcher just can directly be distributed to this signalling route the SIP Server that holds this meeting number, realizes the process that triggering business, authentication add meeting.
But in realizing process of the present invention, inventor finds that prior art at least exists following problem:
In some convention business, conference users adds cluster meeting from network side INVITE, in the Session Description Protocol SDP of INVITE, do not carry the information that will add meeting, now, need to set up call by SIP Server and MS, conference users is carried out to playback to collect the digits and collects the information that user will add meeting, if but the meeting creating is not at this SIP Server, this SIP Server cannot directly be linked into this conference users the SIP Server holding a meeting, and finally cause conference users cannot normally add meeting.
Summary of the invention
In view of this, the embodiment of the present invention provides the establishment of a kind of IMS cluster meeting and adds method and dissemination system and overall conference manager, makes user collect the digits while adding the meeting of IMS cluster and can normally add meeting in needs playback.
For achieving the above object, the embodiment of the present invention is achieved by the following technical solution:
The creation method that the meeting of a kind of IMS cluster is provided, comprising:
Overall situation conference manager receives the establishment request for conference that sip application server sends, and described request to create is carried the information that user's side will create meeting;
Overall situation conference manager, according to the described information that will create meeting, will create a meeting number that the overall situation is unique of meeting distribution for described, and preserve this meeting number in overall meeting concordance list;
Overall situation conference manager returns and creates request for conference response to described sip application server, and described establishment response is carried as described and will be created the unique meeting number of the described overall situation that meeting distributes.
The method that adds that the meeting of a kind of IMS cluster is provided, comprising:
SIP distributor receives and to add meeting signaling, described in add meeting signaling to carry the information that user's side will add meeting; SIP distributor is inquired about overall meeting concordance list according to the described information of meeting that will add to overall conference manager, obtain the sip application server information at plan of the conference place, and by the described sip application server that adds meeting signalling route to be distributed to described plan of the conference place.
The method that adds that the meeting of a kind of IMS cluster is provided, comprising:
Sip application server sends the request of inquiry plan of the conference to overall conference manager, and described inquiry request is carried the information that user's side will add meeting; Described sip application server receives the inquiry request response that overall conference manager returns, and described inquiry response carries the sip application server information at the plan of the conference place that overall conference manager arrives according to the information inquiry that will add meeting; Described sip application server, according to the inquiry response receiving, initiates to add meeting signaling to the sip application server at the plan of the conference place inquiring, described in add meeting signaling to carry the information that user's side will add meeting.
The dissemination system that the meeting of a kind of IMS cluster is also provided, comprising:
SIP distributor, adds meeting signaling for receiving, described in add meeting signaling to carry the information that user's side will add meeting; According to the described information of meeting that will add, to overall conference manager, inquire about overall meeting concordance list, obtain the sip application server information at plan of the conference place; By the described sip application server that adds meeting signalling route to be distributed to described plan of the conference place;
Overall situation conference manager, will create meeting and distribute a meeting number that the overall situation is unique, and preserve this meeting number in overall meeting concordance list described in being used to; And the sip application server information that will add the information inquiry plan of the conference place of meeting for basis.
A kind of overall conference manager is also provided, comprises:
Meeting allocation units, for according to the information that will create meeting, will create a meeting number that the overall situation is unique of meeting distribution for described;
Plan of the conference's query unit, for according to adding the sip application server information at the information inquiry plan of the conference place of meeting;
Overall situation meeting indexing units, for safeguarding that the meeting He Wei plan of the conference query unit of meeting allocation units distribution provides the inquiry of plan of the conference.
The technical scheme being provided from the above embodiment of the present invention, pass through to set up overall conference manager in the route distribution system of existing IMS cluster meeting, described in being used to, to create meeting and distribute a meeting number that the overall situation is unique, and preserve this meeting number in overall meeting concordance list; Make the embodiment of the present invention can implement the foundation of IMS cluster meeting and add scheme, compared with prior art, when user needs phonetic dialing to obtain to add the conferencing information of IMS cluster meeting, can obtain according to the information inquiry overall situation conference manager that will add meeting the sip application server information at plan of the conference place, and subscriber bridging is relayed to the SIP Server of plan of the conference, effectively solve the difficult problem that prior art phonetic dialing adds cluster meeting, can adapt to the specification requirement of the extensive expansion of IMS cluster convention business capacity.
accompanying drawing explanation
The creation method schematic flow sheet of a kind of IMS cluster meeting that Fig. 1 provides for the embodiment of the present invention;
A kind of IMS cluster meeting that Fig. 2 provides for the embodiment of the present invention add method flow schematic diagram;
The creation method schematic flow sheet of the another kind of IMS cluster meeting that Fig. 3 provides for the embodiment of the present invention;
The dissemination system of a kind of IMS cluster meeting that Fig. 4 provides for the embodiment of the present invention forms schematic diagram;
The flow chart of a kind of IMS of establishment cluster meeting that Fig. 5 provides for the embodiment of the present invention;
A kind of flow chart that adds cluster meeting that Fig. 6 provides for the embodiment of the present invention;
The another kind that Fig. 7 provides for the embodiment of the present invention adds the flow chart of cluster meeting;
The structural representation of a kind of overall conference manager that Fig. 8 provides for the embodiment of the present invention.
Embodiment
For making object of the present invention, technical scheme and advantage clearer, below in conjunction with the accompanying drawing embodiment that develops simultaneously, technical scheme provided by the invention is described in further detail.
Referring to Fig. 1, the creation method of a kind of IMS cluster meeting that the embodiment of the present invention provides, comprising:
Step 11, overall conference manager receives the establishment request for conference that sip application server sends, and described request to create is carried the information that user's side will create meeting;
Convention business may have multiple, such as video conference, audio conferencing or data conferencing etc.Newly-installed overall conference manager is used for receiving establishment request for conference, according to the described information that will create meeting, will create a meeting number that the overall situation is unique of meeting distribution, and preserve this meeting number for described in overall meeting concordance list; Simultaneously also for receiving the request of inquiry plan of the conference, according to the sip application server information that will add the information inquiry plan of the conference place of meeting.
Preferably, at described sip application server, receive after the establishment request for conference response of returning, in local meeting concordance list, preserve the unique meeting number of the described overall situation.
It should be noted that, obtaining the method that user's side will create conferencing information has two kinds: a kind of is that user terminal directly carries during from core-network side incoming call; A kind of is that user terminal does not directly carry during from core-network side incoming call, the establishment meeting signalling route of by the principle of load balancing, user's side being initiated by SIP distributor is distributed to a SIP Server, by this SIP Server calling media server, carry out playback and collect the digits, obtain the information that user's side will create meeting.
The method of the establishment IMS cluster meeting that the embodiment of the present invention provides, according to user's side of carrying in establishment request for conference, to create the information of meeting, by overall conference manager, be describedly will create meeting and distribute a meeting number that the overall situation is unique, and preserve this meeting number in overall meeting concordance list, can manage overall plan of the conference, make conference users when adding the meeting of IMS cluster, by the meeting information of carrying or the meeting information that collects the digits and get by playback, at the overall meeting concordance list of inquiry, obtain after the deployment information of Meeting Held, can normally add meeting.
Referring to Fig. 2, the embodiment of the present invention provides the method that adds of a kind of IMS cluster meeting, comprising:
A kind of embodiment, SIP distributor receives conference users and adds meeting signaling from core-network side incoming call, the meeting signaling that adds that described user's side is initiated is carried the information that user's side will add meeting, now SIP distributor will add the information of meeting first to overall conference manager, to inquire about overall meeting concordance list according to user, obtain after the SIP Server information at plan of the conference place, by the described SIP Server that adds meeting signalling route to be distributed to described plan of the conference place.
Another kind of embodiment, SIP distributor receives conference users and adds meeting signaling from core-network side incoming call, the meeting signaling that adds that described user's side is initiated is not carried the information that will add meeting, the meeting signalling route that adds that now first SIP distributor initiates this user's side is distributed to arbitrary SIP Server, by this SIP Server calling media server, carrying out playback collects the digits, obtain after the information that user's side will add meeting, to SIP distributor, send and to add meeting signaling again, and carry collect the digits user's side of obtaining of playback and will add the information of meeting; By SIP distributor, according to the described information of meeting that will add, to overall conference manager, inquire about overall meeting concordance list again, obtain after the SIP Server information at plan of the conference place, by the described SIP Server that adds meeting signalling route to be distributed to described plan of the conference place.
A kind of preferred embodiment, SIP distributor receives conference users and adds meeting signaling from core-network side incoming call, the meeting signaling that adds that described user's side is initiated is not carried the information that will add meeting, the meeting signalling route that adds that now first SIP distributor initiates this user's side is distributed to arbitrary SIP Server, by this SIPServer calling media server, carrying out playback collects the digits, obtain after the information that user's side will add meeting, first inquire about local meeting concordance list, if inquire this plan of the conference, by this SIP Server, creating Conference Calling joins user in meeting, if do not inquire this plan of the conference, by this SIP Server, to SIP distributor, send and to add meeting signaling again, and carry collect the digits user's side of obtaining of playback and will add the information of meeting, SIP distributor is inquired about overall meeting concordance list according to the described information of meeting that will add to overall conference manager, obtain after the SIP Server information at plan of the conference place, by the described SIP Server that adds meeting signalling route to be distributed to described plan of the conference place.
This optimization embodiment analyzes SIP signaling feature at SIP distributor, directly user to be added the signalling route of meeting to be distributed under the SIP Server situation of disposing meeting place, without initiating again new bridge call, can shorten the signalling time, accelerate the flow process that user adds cluster meeting.
The method that adds cluster meeting that the embodiment of the present invention provides, SIP distributor receive network side add meeting signaling time, first analyze SIP signaling feature, carry out regular computing.If convention business, and need to collect the digits and could determine to add the information of cluster meeting by playback, directly be distributed to certain SIP Server, after this SIP Server calls out media server and carries out playback and collect the digits, obtain the information that user will add meeting, this information comprises convention business kind, meeting number and meeting password etc.By inquiring about local meeting concordance list, if find minutes, illustrate that this meeting holds at book server, call Parlay standard interface, conference users is joined in Conference Calling.If this meeting is not held at book server, by establishment, play the new calling of bridge joint relaying action, in call signaling, add the conferencing information newly getting, for example, adding in the SIP URI of meeting signaling, after this service access code, add meeting number and meeting password, send to SIP distributor.
SIP distributor is received the add-on conference all that this is new, and judgement is Conference Calling, and has been with meeting number, in overall conference manager, inquires about the SIP Server at plan of the conference place, and this new calling is forwarded on the SIP Server at plan of the conference place.For SIP distributor, the membership that the add-on conference all that this is new and network side are initiated is called out and is as good as, and by Parlay normal process, this Multi-Way Calling is joined to Conference Calling; If add cluster meeting success, system can automatically complete SDP and refresh, and the SDP of Conference server is passed through to the loopback of Re-INVITE signaling to network side user terminal, thereby the media of user terminal and media server is set up call.
Referring to Fig. 3, a kind of IMS cluster meeting that the embodiment of the present invention also provides add method, comprising:
A kind of embodiment, SIP distributor receives conference users and adds meeting signaling from core-network side incoming call, the meeting signaling that adds that described user's side is initiated is not carried the information that will add meeting, the meeting signalling route that adds that now first SIP distributor initiates this user's side is distributed to arbitrary SIP Server, by this SIP Server calling media server, carrying out playback collects the digits, obtain after the information that user's side will add meeting, to overall conference manager, send the request of inquiry plan of the conference again, and carry collect the digits user's side of obtaining of playback and will add the information of meeting; This SIP Server receives the inquiry request response that overall conference manager returns, described inquiry response carries after the sip application server information at the plan of the conference place inquiring, directly to the sip application server at the plan of the conference place inquiring, initiate to add meeting signaling, described in add meeting signaling to carry the information that user's side will add meeting.
Another kind of embodiment, preferably, SIP distributor receives conference users and adds meeting signaling from core-network side incoming call, the meeting signaling that adds that described user's side is initiated is not carried the information that will add meeting, the meeting signalling route that adds that now first SIP distributor initiates this user's side is distributed to arbitrary SIP Server, by this SIP Server calling media server, carrying out playback collects the digits, obtain after the information that user's side will add meeting, first inquire about local meeting concordance list, if inquire this plan of the conference, by this SIP Server, creating Conference Calling joins user in meeting, if do not inquire this plan of the conference, by this SIP Server, to overall conference manager, send inquiry plan of the conference again and ask, and carry collect the digits user's side of obtaining of playback and will add the information of meeting, this SIP Server receives the inquiry request response that overall conference manager returns, described inquiry response carries after the sip application server information at the plan of the conference place inquiring, directly to the sip application server at the plan of the conference place inquiring, initiate to add meeting signaling, described in add meeting signaling to carry the information that user's side will add meeting.
Referring to Fig. 4, the embodiment of the present invention provides the dissemination system of a kind of IMS cluster meeting, comprising:
Overall situation conference manager 42, will create meeting and distribute a meeting number that the overall situation is unique, and preserve this meeting number in overall meeting concordance list described in being used to; And the sip application server information that will add the information inquiry plan of the conference place of meeting for basis.
In accompanying drawing 4, NGN/IMS gateway 40, as system calling control core, is responsible for protocol adaptation, call treatment, resource management, service agent work, completes the interconnection and interflow function with other system as the external interface of system simultaneously.
Plural sip application server 43 (SIP Server 1, SIP Server 2, ... SIP Server N), defer to the business platform of Parlay standard, for the treatment of Multi-Way Calling, Conference Calling or data message traffic, carry out foundation and the logic control of service conversation, and carry out charging flow.
Owing to adopting Clustering to process Parlay business, all NGN/IMS gateways 40 sent to the signaling of SIP Server all directed to SIP distributor 41 originally, and in the configuration of NGN/IMS gateway 40, SIP distributor 41 is just equivalent to a SIP Server.
The all business that comprise convention business on every SIP Server on SIP distributor 41, have been registered.Signaling semanteme on SIP distributor is very abundant, must resolve signaling, obtains the full content wherein comprising, and analyzes its full meaning and can obtain type of service.First by professional ability matching principle, determine and there are several the SIP Server of ability that carry out this business, then by load balancing principle, from these several equipment, select one, signaling distribution is gone over.Described SIP distributor has one or more, needs to share an integrated data store.
Meeting signaling, after SIP distributor 41, if newly create cluster meeting, is distributed a unique meeting number by overall conference manager 42; If add cluster meeting, must to overall conference manager 42, inquire about the deployment information of these meetings by class of business sign and meeting parameter.For the SIP signaling from core net to SIP distributor, if carried the meeting that will add number and meeting kind of information in signaling, by inquiring about overall meeting concordance list, just can directly signaling be forwarded on the SIP Server of this meeting of deployment.Otherwise, first SIP signaling is directly forwarded to certain SIP Server, by this SIP Server, initiate the modes such as playback collects the digits and obtain the conferencing information that will add, to SIP distributor, initiate to add a bridge joint relaying of cluster meeting newly to call out again, by SIP distributor, to overall conference manager 42, inquire about plan of the conference, and according to the plan of the conference's information inquiring, route the call on the SIP Server that disposes meeting.When this access success adds after cluster meeting, after Session Description Protocol SDP (Session Description Protocol) exchange of media, just initial network side can be called out and is relayed in meeting.
In the dissemination system of the IMS cluster meeting providing in the embodiment of the present invention, a kind of optimization embodiment is that every SIP Server also safeguards an anticipatory remark ground meeting concordance list, can be used for inquiring about local plan of the conference by convention business kind and meeting number.
It should be noted that, the overall conference manager that the embodiment of the present invention provides can arrange separately, also can close and establish with SIP distributor.
The dissemination system of the IMS cluster meeting that the embodiment of the present invention provides, by setting up 42 pairs of overall plan of the conference of overall conference manager, manage, for described, to create a meeting number that the overall situation is unique of meeting distribution, and preserve this meeting number in overall meeting concordance list, for the sip application server information of inquiring about plan of the conference place, can make conference users when adding the meeting of IMS cluster, by SIP distributor 41 by the meeting information of carrying or the meeting information that collects the digits and get by playback, at the overall meeting concordance list of inquiry, obtain after the deployment information of Meeting Held, to add meeting signalling route to be distributed to the sip application server at described plan of the conference place, make conference users can normally add meeting.
Referring to Fig. 5, the embodiment of the present invention provides the flow chart of a kind of IMS of establishment cluster meeting.
Step 501, users from networks side is through the incoming call of NGN/IMS gateway, and INVITE creates cluster meeting;
Step 502, SIP distributor is analyzed it for creating cluster convention business, and does not specify meeting, directly INVITE signalling route is distributed to the SIP Server of a certain capable this business of processing, and for example SIP Server 1.
Step 503～step 504, SIP Server 1 is the user's 180 ring responses to network side through SIP distributor.
Step 505～step 511, SIP Server 1 obtains the information that user will create meeting, can be specifically that SIP Server1 calls out media server, is collected the digits, thereby obtain the information that user will create meeting by media server to user's playback.
Step 512, SIP Server 1 sends and creates cluster request for conference to overall conference manager, carries the information that will create meeting in request to create.
Step 513, overall conference manager is this unique meeting number of meeting distribution that will create, and preserves this meeting number in the local meeting concordance list of corresponding convention business kind.
Step 514, overall conference manager returns and creates the response of cluster request for conference to SIP Server 1, carries the meeting number of this distribution in creating response.
Step 515, receives after this establishment response, creates cluster Conference Calling entity, and Multi-Way Calling entity is moved into Conference Calling, preserves this meeting number in the local meeting concordance list of corresponding convention business kind simultaneously, completes the establishment of meeting.
Certainly the establishment of meeting may be also to be initiated by WEB, still referring to Fig. 5:
Step 520, user passes through directly initiating conference on SIP Server 2 of the WEB page.
Step 521, SIP Server 2, to sending establishment request for conference to overall conference manager, carries the information that will create meeting in request to create.
Step 522, overall conference manager is this unique meeting number of meeting distribution that will create, and preserves this meeting number in the local meeting concordance list of corresponding convention business kind.
Step 523, overall conference manager returns and creates request for conference response to SIP Server 2, carries the meeting number of this distribution in creating response.
It should be noted that, for Web convention business, by Web, initiated to create request for conference to SIP Server, SIP Server sends the request that creates cluster meeting to overall conference manager, after obtaining meeting number, create Conference Calling, at this moment in Conference Calling, also there is no Conference Calling entity, need convention business initiatively to breathe out or users from networks side adds.
Also it should be noted that, described SIP Server sends conference creation request to overall conference manager, and receive the establishment cluster request for conference response that overall conference manager returns, can use transmission control/Internet protocol TCP/IP packet or use SIP MESSAGE signaling bear application protocol.Overall situation conference manager provides the communication protocol of TCP/IP and SIP MESSAGE form, can define the content of distribution, inquiry conferencing information in the message body of TCP/IP packet or SIPMESSAGE.While distributing meeting, in agreement, at least comprise service identification id information, during inquiry, at least comprise service identification ID and meeting information.With SIP MESSAGE carrying application protocol, can use text to be placed in message body, shielding TCP communication details, has more opening; Higher by TCP/IP data packet format carrying application protocol efficiency efficiency, prerequisite is that SIPServer and overall conference manager must be set up tcp/ip communication base layer support mechanism.
Referring to Fig. 6, a kind of flow chart that adds cluster meeting that Fig. 6 provides for the embodiment of the present invention.
Step 601, users from networks side is through the incoming call of NGN/IMS gateway, and INVITE creates cluster meeting;
Step 602, SIP distributor is analyzed it for adding cluster convention business, and does not specify meeting number, directly INVITE signaling distribution is given to the SIP Server of a certain capable this business of processing, and for example SIP Server 2.And the actual plan of the conference that will add is at SIP Server 1.
Step 603～step 604, SIP Server 2 is the user's 180 ring responses to network side through SIP distributor.
Step 605～step 611, SIP Server 2 calls out media servers and carries out playback and collect the digits, and obtains the information that user will add meeting, and described information comprises convention business kind and meeting number etc.
Step 612, first SIP Server 2 inquires about local index table, judges whether this meeting is held in this locality.If so, call local Parlay standard interface, user is added in cluster meeting, flow process finishes to return; If not, continue flow process below.
Step 613, SIP Server 2 sends BYE signaling to media server, discharges the session with media server.
Step 614, SIP Server 2 initiates a new INVITE to SIP distributor, carries the user who gets and will add the information of meeting and the information of users from networks side INVITE incoming call in this new INVITE signaling.
Step 615, SIP distributor, according to the conferencing information that adds obtaining, is inquired about plan of the conference to overall conference manager, obtains the SIP Server information that will add plan of the conference place.
Step 616, SIP distributor is distributed to this new INVITE signalling route the SIP Server at this plan of the conference place, for example, is SIP Server 1 in the present embodiment.
Step 617～step 619, this new INVITE signaling triggers the convention business in SIP Server 1, SIP Server 1 creates multi-party conversation entity, through logical process such as authentications, this new INVITE signaling is added to the Multi-Way Calling entity at target meeting place with the media server of carrying meeting.
Step 620～step 624, SIP Server 1 passes through to send out SIP INFO to the media server of carrying meeting can control signaling, Multi-Way Calling entity is proceeded to Conference Calling entity, and will proceed to the successful message of Conference Calling entity and be transmitted to SIP Server 2 through SIP distributor.
Step 625～step 627, SIP Server 1 is the user to network side by the loopback of Re-INVITE signaling, and user is set up to session with the media server of carrying meeting.
It is after playback collects the digits that the embodiment of the present invention adds the method for cluster meeting, if determining target meeting does not hold in this locality, first to SIP distributor, initiating a new INVITE who plays bridge joint relaying action calls out, by SIP distributor, to overall conference manager inquiry, determined after plan of the conference, then by SIP distributor, this new INVITE is routed to the SIP Server at plan of the conference place.
Referring to Fig. 7, the another kind that Fig. 7 provides for the embodiment of the present invention adds the flow chart of cluster meeting.
Step 701～step 713, is same as respectively above-mentioned step 601～step 613, does not repeat them here.
Step 714, SIP Server 2 sends the request of inquiry plan of the conference to overall conference manager, and the user who gets described in carrying in inquiry request will add the information of meeting, and this information comprises convention business kind and the meeting number inquiring.
Step 715, overall conference manager returns to the request response of inquiry plan of the conference to SIP Server 2, carries the SIP Server information that user will add plan of the conference place in inquiry response.
Step 716, SIP Server 2 initiates a new INVITE signaling to the SIP Server 1 at plan of the conference place, and the user who gets described in carrying in described new INVITE signaling will add the information of meeting and the information of users from networks side INVITE incoming call.
Step 717～step 719, this new INVITE signaling triggers the convention business in SIP Server 1, SIP Server 1 creates multi-party conversation entity, through logical process such as authentications, this new INVITE signaling is added to the Multi-Way Calling entity at target meeting place with the media server of carrying meeting.
Step 720～step 723, SIP Server 1 passes through to send out SIPINFO and can control signaling to the media server of carrying meeting, and Multi-Way Calling entity is proceeded to Conference Calling entity, and will proceed to the successful message of Conference Calling entity and directly inform SIP Server 2.
Step 724～step 726, SIP Server 1 is the user to network side by the loopback of Re-INVITE signaling, and user is set up to session with the media server of carrying meeting.
It is after playback collects the digits that the embodiment of the present invention adds the method for cluster meeting, if determining target meeting does not hold in this locality, first to overall conference manager, send the request of inquiry plan of the conference, determine after plan of the conference, directly the new INVITE that plays bridge joint relaying action initiating is called out to the SIPServer that issues plan of the conference place.
It should be noted that, for being assigned to SIP Server, need playback to collect the digits to determine the calling of meeting number, if whether conference session entity is in this locality, two kinds of methods that add cluster meeting that the embodiment of the present invention provides, their difference is: a kind of is first to SIP distributor, to initiate a new INVITE who plays bridge joint relaying action to call out, by SIP distributor, to overall conference manager inquiry, determined after plan of the conference, then by SIP distributor, this new INVITE is routed to the SIP Server at plan of the conference place; A kind of is first to overall conference manager, to send the request of inquiry plan of the conference, determines after plan of the conference, directly the new INVITE that plays bridge joint relaying action initiating is called out to the SIP Server that issues plan of the conference place.
Referring to Fig. 8, the embodiment of the present invention also provides a kind of overall conference manager, comprising:
Plan of the conference's query unit 82, for according to adding the sip application server information at the information inquiry plan of the conference place of meeting;
Overall situation meeting indexing units 83, for safeguarding that the meeting He Wei plan of the conference query unit 82 of meeting allocation units 81 distribution provides the inquiry of plan of the conference.
The overall conference manager that the embodiment of the present invention provides, still referring to Fig. 8, also comprises:
Request to create receiving element 86, for receiving establishment request for conference, described request to create is carried the information that user's side will create meeting; And,
Inquiry request receiving element 88, for receiving the request of inquiry plan of the conference, described inquiry request is carried the information that user's side will add meeting.
The overall conference manager that the embodiment of the present invention provides, a unique meeting number of meeting distribution by meeting allocation units 81 for creating, pass through the overall meeting indexing units 83 of plan of the conference's query unit 82 inquiry and obtain overall plan of the conference information, make the embodiment of the present invention can implement the foundation of IMS cluster meeting and add scheme, compared with prior art, the SIP Server that can bridge joint when user needs phonetic dialing to add the meeting of IMS cluster relays to plan of the conference, effectively solved the difficult problem that prior art phonetic dialing adds cluster meeting, can adapt to the specification requirement of the extensive expansion of IMS cluster convention business capacity.
It should be noted that, the form that the method in the embodiment of the present invention can software function module realizes, and this software function module is as production marketing independently or while using, and also can be stored in a computer read/write memory medium.The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
Each functional unit in the embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.If described integrated module usings that the form of software function module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium.The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The establishment of the IMS cluster the meeting above embodiment of the present invention being provided and add method and dissemination system and overall conference manager are described in detail, the explanation of embodiment is just for helping to understand method of the present invention and thought thereof; Anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.
Claims (9)
1. a creation method for IMS cluster meeting, is characterized in that, described method comprises:
Overall situation conference manager receives the establishment request for conference that sip application server sends, and described establishment request for conference is carried the information that user's side will create meeting;
Overall situation conference manager, according to the described information that will create meeting, will create a meeting number that the overall situation is unique of meeting distribution for described, and preserve this meeting number in overall meeting concordance list;
Overall situation conference manager returns and creates request for conference response to described sip application server, and described establishment request for conference response is carried as described and will be created the unique meeting number of the described overall situation that meeting distributes;
Wherein, the information that described user's side will create meeting is that user terminal directly carries during from core-network side incoming call, or user's side information that will create meeting is that user terminal does not directly carry during from core-network side incoming call;
Wherein, the information that will create meeting in described user's side is user terminal while directly not carrying during from core-network side incoming call, and before described overall conference manager is receiving the establishment request for conference that sip application server sends, described method comprises:
Described sip application server receives the establishment meeting signaling of user's side initiation of SIP distributor route distribution, and described establishment meeting signaling is not carried the information that will create meeting;
Described sip application server calling media server carries out playback and collects the digits, and obtains the information that user's side will create meeting.
2. creation method according to claim 1, is characterized in that, overall conference manager is after returning to the response of establishment request for conference to described sip application server, and described method comprises:
Described sip application server is preserved the unique meeting number of the described overall situation in local meeting concordance list.
3. creation method according to claim 1, is characterized in that,
Overall conference manager is used transmission control/Internet protocol TCP/IP packet or uses SIPMESSAGE signaling bear application protocol, receives the described establishment request for conference of sip application server transmission and returns to described establishment request for conference response to sip application server.
The meeting of IMS cluster add a method, it is characterized in that, comprising:
What SIP distributor route distribution user side was initiated adds meeting signaling to arbitrary sip application server, and the meeting signaling that adds that described user's side is initiated is not carried the information that will add meeting;
By described sip application server calling media server, carrying out playback collects the digits, obtain after the information that user's side will add meeting, the information that will add meeting according to user's side of obtaining, inquire about local meeting concordance list, if inquire this plan of the conference, described sip application server establishment Conference Calling joins user in meeting, if do not inquire this plan of the conference, described sip application server sends and adds meeting signaling to described SIP distributor, and carries collect the digits user's side of obtaining of playback and will add the information of meeting;
SIP distributor receives and to add meeting signaling, described in add meeting signaling to carry the information that user's side will add meeting;
SIP distributor is inquired about overall meeting concordance list according to the described information of meeting that will add to overall conference manager, by the unique meeting number of the overall situation in described overall meeting concordance list, obtains the sip application server information at plan of the conference place;
SIP distributor is by the described sip application server that adds meeting signalling route to be distributed to described plan of the conference place.
The meeting of IMS cluster add a method, it is characterized in that, comprising:
Sip application server receives that user's side of SIP distributor route distribution initiates adds meeting signaling, and the meeting signaling that adds that described user's side is initiated is not carried the information that will add meeting;
Described sip application server calling media server carries out playback and collects the digits, and obtains the information that user's side will add meeting;
Described sip application server will add the information of meeting according to user's side of obtaining, inquires about local meeting concordance list;
If inquire this plan of the conference, described sip application server establishment Conference Calling joins user in meeting;
If do not inquire this plan of the conference:
Described sip application server sends the request of inquiry plan of the conference to overall conference manager, and described inquiry plan of the conference asks to carry the information that user's side will add meeting;
Described sip application server receives the inquiry request response that overall conference manager returns, and described inquiry request response is carried overall conference manager according to the unique meeting of the overall situation in overall meeting concordance list number and the sip application server information that will add the plan of the conference place that the information inquiry of meeting arrives;
Described sip application server, according to the inquiry request response receiving, initiates to add meeting signaling to the sip application server at the plan of the conference place inquiring, described in add meeting signaling to carry the information that user's side will add meeting.
6. the method that adds according to claim 5, it is characterized in that, described sip application server is used transmission control/Internet protocol TCP/IP packet or uses SIP MESSAGE signaling bear application protocol, to overall conference manager, sends described inquiry plan of the conference's request and receives the described inquiry request response that overall conference manager returns.
7. a dissemination system for IMS cluster meeting, is characterized in that, comprising:
SIP distributor, for when sip application server is not when local meeting concordance list inquires plan of the conference, receives and adds meeting signaling, described in add meeting signaling to carry the information that user's side will add meeting; According to the described information of meeting that will add, to overall conference manager, inquire about overall meeting concordance list, obtain the sip application server information at plan of the conference place; By the described sip application server that adds meeting signalling route to be distributed to described plan of the conference place;
Overall situation conference manager, is used to and will creates a meeting number that the overall situation is unique of meeting distribution, and preserve this meeting number in overall meeting concordance list; And the sip application server information that will add the information inquiry plan of the conference place of meeting for basis.
8. dissemination system according to claim 7, is characterized in that, described overall conference manager and described SIP distributor close to be established.
9. an overall conference manager, is characterized in that, comprising:
Create request for conference receiving element, for receiving establishment request for conference, described establishment request for conference is carried the information that user's side will create meeting;
Meeting allocation units, for according to the information that will create meeting, will create a meeting number that the overall situation is unique of meeting distribution for described;
Plan of the conference's query unit, for according to adding the Session initiation protocol SIP Application Server information at the information inquiry plan of the conference place of meeting;
Overall situation meeting indexing units, for safeguarding that the meeting He Wei plan of the conference query unit of meeting allocation units distribution provides the inquiry of plan of the conference;
Inquiry plan of the conference request reception unit, for receiving the request of inquiry plan of the conference, described inquiry plan of the conference asks to carry the information that user's side will add meeting;
Wherein, the information that described user's side will create meeting is that user terminal directly carries during from core-network side incoming call, or user's side information that will create meeting is that user terminal does not directly carry during from core-network side incoming call;
Wherein, the information that will create meeting in described user's side is user terminal while directly not carrying during from core-network side incoming call,
The information that described user's side will create meeting is the establishment meeting signaling that described sip application server receives user's side initiation of SIP distributor route distribution, described establishment meeting signaling is not carried the information that will create meeting, and described sip application server is called out media server and carried out that playback collects the digits to obtain.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN200810186860.3A CN101772195B (en) | 2008-12-31 | 2008-12-31 | Establishing and joining method of IMS (information management system) trunking conference, distribution system and device |
| PCT/CN2009/073279 WO2010075688A1 (en) | 2008-12-31 | 2009-08-17 | Method, apparatus and system for creating and joining ip multimedia subsystem (ims) group conference |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810186860.3A CN101772195B (en) | 2008-12-31 | 2008-12-31 | Establishing and joining method of IMS (information management system) trunking conference, distribution system and device |
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| CN101772195B true CN101772195B (en) | 2014-05-07 |
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| CN102724047B (en) * | 2011-03-30 | 2015-08-12 | 中兴通讯股份有限公司 | A kind of method and system of carrying out multimedia conferencing |
| CN103686618B (en) * | 2012-09-11 | 2017-04-05 | 普天信息技术研究院有限公司 | It is a kind of to trigger the method for setting up wideband multimedia cluster service |
| EP2725771B1 (en) * | 2012-09-20 | 2015-11-18 | Huawei Technologies Co., Ltd. | Conference access method, device and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018168A (en) * | 2006-02-06 | 2007-08-15 | 华为技术有限公司 | Bearing method of IP multimedia system business and its system |
| CN101047534A (en) * | 2007-04-09 | 2007-10-03 | 华为技术有限公司 | Method, device and system for customer active joining conference |
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| US8165561B2 (en) * | 2007-03-27 | 2012-04-24 | Alcatel Lucent | IMS networks providing business-related content to wireless devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018168A (en) * | 2006-02-06 | 2007-08-15 | 华为技术有限公司 | Bearing method of IP multimedia system business and its system |
| CN101047534A (en) * | 2007-04-09 | 2007-10-03 | 华为技术有限公司 | Method, device and system for customer active joining conference |
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