CN101998321B - Method and system for controlling user terminal session in IMS network - Google Patents
Method and system for controlling user terminal session in IMS network Download PDFInfo
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- CN101998321B CN101998321B CN200910091481.0A CN200910091481A CN101998321B CN 101998321 B CN101998321 B CN 101998321B CN 200910091481 A CN200910091481 A CN 200910091481A CN 101998321 B CN101998321 B CN 101998321B
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Abstract
The invention discloses a method and a system for controlling a user terminal session in an IP multimedia subsystem (IMS) network. Through the method and the system, a master control terminal controls a controlled terminal to add media communication in the switched session after one or more terminals switch the media. In the method and the system, by increasing a control option of one mater control terminal, the master control terminal determines whether to allow to add the new media according to the control option when the controlled terminal adds the new media, so that the master control terminal controls the operation of the newly added media.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and system of user terminal session control in IP Multimedia System (IP MultimediaSubsystem, IMS) network.
Background technology
The service of present communication network is more and more convenient, and user group is also increasing, and communication service has been the indispensable service of people's daily life.Meanwhile, user has multiple terminal, and the ability of each terminal and purposes are had nothing in common with each other, very general, and such as: a user may have multiple mobile phone, one is work contact use, and one is personal communication.At home, mobile phone and landline telephone can be had simultaneously, also can have mobile phone and landline telephone in office simultaneously.
Along with the development of terminal technology, the ability difference of various terminal is also increasing, such as: the mobile phone of basic function and smart mobile phone differ greatly in function and disposal ability, simultaneously, some traditional recreation terminal has also possessed telecommunications service ability, the function that different terminals can be supported differs widely, and present a lot of service or application more need the support of terminal.In multimedia communication, some terminal may not support some business, and needs part of media, or total medium is switched in other terminal.
In addition, in other environment such as family, office, a lot of business is also had to carry out the scene switched.Such as: the switching between the multiple terminals belonging to same user, the switching of business between the terminal belonging to the user of one family.
After media switch, if new terminal is in communication process, or in media reciprocal process, need to newly increase media communication, so just may occur two kinds of situations, a kind of is the confirmation not needing main control terminal, and this situation mainly belongs to the situation of same user in multiple terminal, one possible need main control terminal to confirm, this situation mostly occurs at the environment such as family, office.
In existing 3GPP IUT specification, only provide and do not need main control terminal to carry out the solution confirmed, but do not provide and need main control terminal to carry out the scheme confirmed.
Summary of the invention
In view of this, main purpose of the present invention is the method providing user terminal session control in a kind of IMS network, for realizing after one or more terminal carries out media switching, main control terminal increases media communication in the session of coming to controlled terminal and controls switching.
For achieving the above object, technical scheme of the present invention is achieved in that
A method for user terminal session control in IMS network, comprising:
After session switches, when controlled terminal request increases media newly, business continuance server is initiated newly-increased media request to main control terminal and is confirmed process, and after being confirmed by the media that main control terminal is newly-increased to controlled terminal request, business continuance server assists controlled terminal to complete continuing of session.
Further, before described session switches, during main control terminal registration business continuity sex service, submit the newly-increased media control option that newly-increased media communication in controlled terminal session is after handover confirmed the need of main control terminal to; Business continuance server controls option according to described newly-increased media and judges, needs main control terminal to confirm newly-increased media if this option is arranged, then main control terminal initiates newly-increased media request confirmation process; Otherwise directly initiate newly-increased media process of establishing.
Further, described newly-increased media request confirms that process is specially:
A1, business continuance server send request acknowledge message by IMS core net to main control terminal;
After A2, main control terminal user make a choice, send request confirmation response message by IMS core net to business continuance server, carry in message and whether accept the result that controlled terminal increases media request newly;
A3, business continuance server judge after receiving described request confirmation response message, if main control terminal accepts the newly-increased media request of controlled terminal, then initiate the process of establishing of newly-increased media; Otherwise directly send response message to controlled terminal, the request of notice controlled terminal is rejected.
Further, described newly-increased media process of establishing comprises:
B1, business continuance server send media to IMS core net and set up request message, and the newly-increased media communication setting up controlled terminal and opposite end assisted by request IMS core net;
B2, IMS core net send media and set up and confirm request message to opposite end, carry the media description information of the newly-increased media communication that controlled terminal request and opposite end are set up in message; Opposite end judges whether to support newly-increased media according to self media capability, and sends media foundation confirmation request response to IMS core net;
If newly-increased media are supported in B3 opposite end, then IMS core net distributes respective resources and sets up request response to business continuance server transmission media;
By IMS core Netcom, B4, business continuance server know that main control terminal increases media newly and sets up;
By IMS core Netcom, B5, business continuance server know that controlled terminal increases media request result newly.
Further, the process that main control terminal reports media information is also comprised in described newly-increased media process of establishing:
A31, business continuance server send media by IMS core net and report request message to main control terminal;
A32, main control terminal send media by IMS core net and report response message to business continuance server, carry the media information between main control terminal and opposite end in message.
Based on said method, the present invention also proposes the system of user terminal session control in a kind of IMS network, comprising:
Controlled terminal, for after session switches, initiates newly-increased media request;
Business continuance application server, for receive controlled terminal newly-increased media request after, judge whether to need main control terminal to confirm, if so, then initiate newly-increased media request and confirm process; Otherwise initiate newly-increased media process of establishing, and assist controlled terminal to complete continuing of session;
IMS core net, confirming process and newly-increased media process of establishing for assisting to perform newly-increased media request, performing media negotiation, message forwards and Resourse Distribute;
Main control terminal, for confirming the newly-increased media request of controlled terminal;
Opposite end, responds for the media capability according to self the newly-increased media request that controlled terminal is initiated and processes.
Further, described main control terminal, when carrying out business continuance registration, provides the newly-increased media control option confirmed the need of main control terminal media communication newly-increased in controlled terminal session after handover; Business continuance application server also controls option for receiving and preserve described newly-increased media.
Further, described newly-increased media request confirms that process is specially:
Business continuance server controls option according to described newly-increased media and judges, if this option is set to need main control terminal to confirm, then business continuance server sends request acknowledge message by IMS core net to main control terminal; Otherwise directly initiate newly-increased media process of establishing;
After main control terminal user makes a choice, send request confirmation response message by IMS core net to business continuance server, carry in message and whether accept the result that controlled terminal increases media request newly;
After business continuance server receives described request confirmation response message, the result according to carrying in message judges, if main control terminal accepts the newly-increased media request of controlled terminal, then initiates the process of establishing of newly-increased media; Otherwise directly send response message to controlled terminal, the request of notice controlled terminal is rejected.
Whether the present invention, by the control option of an interpolation main control terminal, when controlled terminal adds new media, is allowed to add this new media according to the decision-making of described control option by main control terminal, thus achieves the control of main control terminal to newly-increased media manipulation.
Accompanying drawing explanation
Fig. 1 business continuance service log-on of the present invention process;
Fig. 2 main control terminal of the present invention is switching in the session of coming to controlled terminal the process chart increasing media communication and control.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, by the following examples also with reference to accompanying drawing, the present invention is described in more detail.
Be described below in conjunction with accompanying drawing 1 pair of registration process, registration process is also the registration process of IMS business, in registration, just increases main control terminal to carrying out the such option of control the need of the media communication of newly initiating in a session controlled terminal.
Step 1: main control device is to serving session control function entity (the Call Session ControlFunction in core net, S-CSCF) send the registration request of business continuity sex service, increase a user in request message the need of the control option (controlling option hereinafter referred to as newly-increased media) confirmed newly-increased media communication in controlled device session after handover.
After step 2:S-CSCF receives registration request, to home business server (the HomeService Server in core net, HSS) inquiry request of Cx interface is initiated, with inquiry business application server for continuity (Service Connectivity Control Appliction Server, SCC AS) application service address, the information such as port address, business rule.This process observes IMS service log-on specification.
Step 3:S-CSCF initiates the registration request to SCC AS, comprises the newly-increased media control option that main control terminal controls the need of the media communication of newly initiating in a session controlled terminal in this registration request.
Step 4:SCC AS completes registration, sends registration and completes message (200 OK) to S-CSCF.
Step 5:S-CSCF sends out ACk message and informs to SCC AS and know that registration completes.
Fig. 2 is that main control terminal of the present invention is switching in the session of coming to controlled terminal the process chart increasing media communication and control, below illustrate this flow process based on business scenario: father (opposite end) makes a telephone call on the phone (main control terminal) of mother outside, call is switched in the terminal (controlled terminal) of son by mother, son and father is allowed to converse, son is when conversing with father, wish to pass a photo (newly-increased media) to father, at this moment, wish that the communication of a biography photo could be set up after mother may be needed to confirm, the present invention can realize setting up to newly-increased media the function asking to control.
Be below the detailed description of handling process, wherein UE-1 is main control device, and UE-2 is controlled device, and SCC AS is business continuance server, and opposite end is the terminal of carrying out with UE-1 communicating.
Step 201:UE-1 and SCCAS carries out associated session, assists communicating of UE-1 and opposite end to allow SCCAS.
Step 202:UE-1 and opposite end are carried out media A and are communicated, and this communication process observes IMS call flow.
Step 203:UE-2, under the control of UE-1, carries out media B with opposite end and communicates, and these media B is the some or all of of media A, and this process observes the handoff procedure of SCC.
Step 204: controlled device wishes the communication newly increasing media C in a session, sends newly-increased media request message to IMS core net, carries media C media description information in message.
Step 205:IMS core net forwards newly-increased media request to SCC AS.
After step 206:SCC AS receives newly-increased media request, judge whether to need to be confirmed newly-increased media request by main control device UE-1 according to the newly-increased media control option that main control device provides in registration process, be set to need to confirm if newly-increased media control option, then perform step 207, otherwise perform step 215.
Step 207:SCC AS sends request acknowledge message by IMS core net to UE-1, and request UE-1 is confirmed whether to allow to add media C, carries the media description of media C in described request acknowledge message.
Request acknowledge message is transmitted to UE-1 by step 208:IMS core net.
Step 209:UE-1 sends request confirmation response message to IMS core net after receiving request acknowledge message, comprises the information of whether agreeing to add media C in message.
Step 210:IMS core net Forward-reques confirmation response message is to SCC AS, SCC AS judges according to the result of carrying in request confirmation response message, if main control terminal accepts the newly-increased media request of controlled terminal, then SCC AS initiates the process of establishing of newly-increased media, performs step 211; If main control terminal does not accept the newly-increased media request of controlled terminal, then directly perform step 223;
Step 211:SCC AS, after the request confirmation response message receiving the forwarding of IMS core net, requires the media that UE-1 reports it to converse, and sends media reporting message to IMS core net.
Step 212:IMS core net forwarding media reports request message to UE-1;
Step 213: owing to only having media A between UE-1 and opposite end, therefore sends media to IMS and reports response message, carry the media description information of media A;
Step 214:IMS forwarding media reports response message to SCC AS;
Step 215:SCC AS sends media to IMS core net and sets up request message, requires that communicating of the media C setting up UE-2 and opposite end assisted by IMS core net;
Step 216:IMS core net sends media and sets up confirmation request message to opposite end, in message, instruction accepts the communication carrying out media A between opposite end and UE-1, and carry out communicating of media B and media C between UE-2, in message, carry the media description information of media A, media B and media C.
Step 217: after opposite end receives media foundation confirmation request message, judge current communication of not setting up media C with UE-2, then judge whether to set up according to self media capability and communicate with the media C of UE-2, if can, send media to opposite end and set up confirmation request response to IMS core net, in message, carry the media description information of media A, media B and media C;
After step 218:IMS core net receives media foundation confirmation request response, for the allocation of communications respective resources of media C, then send media to SCC AS and set up request response, notice SCC AS accepts the communication of the media C between opposite end and UE-2, carries the media description information of media A, B, C in message;
Step 219:SCC AS sends ACK acknowledge message to IMS core net;
Step 220:IMS core net sends ACK acknowledge message to opposite end after receiving the ACK acknowledge message of SCC AS;
Step 221:SCC AS sends session establishment notification message to IMS core net;
Step 222:IMS core net forwards session establishment notification message to UE-1, and notice UE-1 has accepted the media communication of the media C of UE-2 and opposite end;
Step 223:SCC AS sends newly-increased medium response message to IMS core net, if main control terminal accepts the communication of media C, then carry the media description information of media C in message, if main control terminal does not accept the communication of media C, then do not carry the media description information of media C in newly-increased medium response message.UE-2 judges whether to set up the communication with the media C of opposite end according to the media description information whether carrying media C in this message;
Step 224:IMS core net forwards newly-increased medium response message to UE-2;
Step 225:UE-2 sends ACK acknowledge message to IMS core net, and notice has set up the communication with the media C of opposite end;
Step 226:IMS core net forwarding media accepts push-notification-answer message to SCC AS.
Step 227:UE-2 carries out communicating of media C with opposite end.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (9)
1. the method for user terminal session control in IMS network, is characterized in that, comprising:
After session switches, when controlled terminal request increases media newly, business continuance server is initiated newly-increased media request to main control terminal and is confirmed process, and after being confirmed by the media that main control terminal is newly-increased to controlled terminal request, business continuance server assists controlled terminal to complete continuing of session;
Before described session switches, during main control terminal registration business continuity sex service, submit the newly-increased media control option that newly-increased media communication in controlled terminal session is after handover confirmed the need of main control terminal to; Business continuance server controls option according to described newly-increased media and judges, needs main control terminal to confirm newly-increased media if this option is arranged, then main control terminal initiates newly-increased media request confirmation process; Otherwise directly initiate newly-increased media process of establishing.
2. method according to claim 1, is characterized in that, described newly-increased media request confirms that process is specially:
A1, business continuance server send request acknowledge message by IMS core net to main control terminal;
After A2, main control terminal user make a choice, send request confirmation response message by IMS core net to business continuance server, carry in message and whether accept the result that controlled terminal increases media request newly;
A3, business continuance server judge after receiving described request confirmation response message, if main control terminal accepts the newly-increased media request of controlled terminal, then initiate the process of establishing of newly-increased media; Otherwise directly send response message to controlled terminal, the request of notice controlled terminal is rejected.
3. method according to claim 1 and 2, is characterized in that, described newly-increased media process of establishing comprises:
B1, business continuance server send media to IMS core net and set up request message, and the newly-increased media communication setting up controlled terminal and opposite end assisted by request IMS core net;
B2, IMS core net send media and set up and confirm request message to opposite end, carry the media description information of the newly-increased media communication that controlled terminal request and opposite end are set up in message; Opposite end judges whether to support newly-increased media according to self media capability, and sends media foundation confirmation request response to IMS core net;
If newly-increased media are supported in B3 opposite end, then IMS core net distributes respective resources and sets up request response to business continuance server transmission media;
By IMS core Netcom, B4, business continuance server know that main control terminal increases media newly and sets up;
By IMS core Netcom, B5, business continuance server know that controlled terminal increases media request result newly.
4. method according to claim 3, is characterized in that, also comprises the process that main control terminal reports media information in described newly-increased media process of establishing:
A31, business continuance server send media by IMS core net and report request message to main control terminal;
A32, main control terminal send media by IMS core net and report response message to business continuance server, carry the media information between main control terminal and opposite end in message.
5. the system of user terminal session control in IMS network, is characterized in that, comprising:
Controlled terminal, for after session switches, initiates newly-increased media request;
Business continuance server, for receive controlled terminal newly-increased media request after, judge whether to need main control terminal to confirm, if so, then initiate newly-increased media request and confirm process; Otherwise initiate newly-increased media process of establishing, and assist controlled terminal to complete continuing of session;
IMS core net, confirming process and newly-increased media process of establishing for assisting to perform newly-increased media request, performing media negotiation, message forwards and Resourse Distribute;
Main control terminal, for confirming the newly-increased media request of controlled terminal;
Opposite end, responds for the media capability according to self the newly-increased media request that controlled terminal is initiated and processes.
6. system according to claim 5, is characterized in that, described main control terminal, when carrying out business continuance registration, provides the newly-increased media control option confirmed the need of main control terminal media communication newly-increased in controlled terminal session after handover; Business continuance server also controls option for receiving and preserve described newly-increased media.
7. system according to claim 6, is characterized in that, described newly-increased media request confirms that process is specially:
Business continuance server controls option according to described newly-increased media and judges, if this option is set to need main control terminal to confirm, then business continuance server sends request acknowledge message by IMS core net to main control terminal; Otherwise directly initiate newly-increased media process of establishing;
After main control terminal user makes a choice, send request confirmation response message by IMS core net to business continuance server, carry in message and whether accept the result that controlled terminal increases media request newly;
After business continuance server receives described request confirmation response message, the result according to carrying in message judges, if main control terminal accepts the newly-increased media request of controlled terminal, then initiates the process of establishing of newly-increased media; Otherwise directly send response message to controlled terminal, the request of notice controlled terminal is rejected.
8. system according to claim 7, is characterized in that, described newly-increased media process of establishing is specially:
Business continuance server sends media to IMS core net and sets up request message, and the newly-increased media communication setting up controlled terminal and opposite end assisted by request IMS core net;
IMS core net sends media and sets up and confirm request message to opposite end, carry the media description information of the media communication that controlled terminal request and opposite end are set up in message; Opposite end judges whether to support newly-increased media according to self media capability, and sends media foundation confirmation request response to IMS core net;
If newly-increased media are supported in opposite end, then IMS core net distributes respective resources and sets up request response to business continuance server transmission media;
By IMS core Netcom, business continuance server knows that main control terminal increases media newly and sets up;
By IMS core Netcom, business continuance server knows that controlled terminal increases media request result newly.
9. system according to claim 8, is characterized in that, also comprises the process that main control terminal reports media information in described newly-increased media process of establishing:
Business continuance server sends media by IMS core net and reports request message to main control terminal;
Main control terminal sends media by IMS core net and reports response message to business continuance server, carries the media information between main control terminal and opposite end in message.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910091481.0A CN101998321B (en) | 2009-08-21 | 2009-08-21 | Method and system for controlling user terminal session in IMS network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910091481.0A CN101998321B (en) | 2009-08-21 | 2009-08-21 | Method and system for controlling user terminal session in IMS network |
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| CN101998321A CN101998321A (en) | 2011-03-30 |
| CN101998321B true CN101998321B (en) | 2015-06-10 |
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| CN200910091481.0A Expired - Fee Related CN101998321B (en) | 2009-08-21 | 2009-08-21 | Method and system for controlling user terminal session in IMS network |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006075677A1 (en) * | 2005-01-17 | 2006-07-20 | Sharp Kabushiki Kaisha | Communication network control system |
| CN101188859A (en) * | 2007-12-14 | 2008-05-28 | 中兴通讯股份有限公司 | A method for replacing non-stable status call |
| CN101370026A (en) * | 2007-08-17 | 2009-02-18 | 华为技术有限公司 | Media stream increasing method for multimedia conversation, customer equipment and application server |
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- 2009-08-21 CN CN200910091481.0A patent/CN101998321B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006075677A1 (en) * | 2005-01-17 | 2006-07-20 | Sharp Kabushiki Kaisha | Communication network control system |
| CN101370026A (en) * | 2007-08-17 | 2009-02-18 | 华为技术有限公司 | Media stream increasing method for multimedia conversation, customer equipment and application server |
| CN101188859A (en) * | 2007-12-14 | 2008-05-28 | 中兴通讯股份有限公司 | A method for replacing non-stable status call |
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| CN101998321A (en) | 2011-03-30 |
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