CN101998321A - 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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- CN101998321A CN101998321A CN2009100914810A CN200910091481A CN101998321A CN 101998321 A CN101998321 A CN 101998321A CN 2009100914810 A CN2009100914810 A CN 2009100914810A CN 200910091481 A CN200910091481 A CN 200910091481A CN 101998321 A CN101998321 A CN 101998321A
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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, relate in particular to a kind of in IP Multimedia System (IP MultimediaSubsystem, IMS) method and system of user terminal session control in the network.
Background technology
Telecommunications network service is more and more convenient now, and the user group is also increasing, and communication service has been the indispensable service of people's daily life.Simultaneously, the user is having a plurality of terminals, and the ability of each terminal and purposes are had nothing in common with each other, and very general, for example: a user has a plurality of mobile phones, and one is work contact usefulness, and one is the private usefulness of getting in touch with., mobile phone and landline telephone can be arranged simultaneously at home, also mobile phone and landline telephone can be arranged simultaneously in office.
Development along with terminal technology, the ability difference of various terminals is also increasing, for example: the mobile phone of basic function and smart mobile phone differ greatly on function and disposal ability, simultaneously, some traditional recreation terminal has also possessed the telecommunications service ability, the function that different terminals can be supported differs widely, and present a lot of services or application more need the support of terminal.In multimedia communication, some terminal may not supported some business, and need be with part of media, and perhaps all medium switch on other terminal.
In addition, in other environment such as family, office, the scene that also has a lot of business to switch.For example: belong to the switching between a plurality of terminals of same user, belong to professional switching between user's the terminal of one family.
After medium switch, if new terminal is in communication process, perhaps in the medium reciprocal process, need increase media communication newly, two kinds of situations so just may occur, a kind of is the affirmation that does not need main control terminal, and this situation mainly belongs to same user's situation in a plurality of terminals, a kind of is possible need main control terminal to confirm, this situation mostly occurs at environment such as family, offices.
In existing 3GPP IUT standard, the solution that does not need main control terminal to confirm only is provided, but the scheme that needs main control terminal to confirm is not provided.
Summary of the invention
In view of this, main purpose of the present invention is to provide the method for user terminal session control in a kind of IMS network, be used to be implemented in one or more terminals and carry out after medium switch, main control terminal increases media communication to controlled terminal and controls in the session that switching is come.
For achieving the above object, technical scheme of the present invention is achieved in that
The method of user terminal session control in a kind of IMS network comprises:
After session is switched, when the controlled terminal request increases medium newly, the business continuance server is initiated newly-increased medium request to main control terminal and is confirmed process, and after by main control terminal the newly-increased medium of controlled terminal request being confirmed, the business continuance server assists controlled terminal to finish continuing of session.
Further, before described session is switched, during the service of main control terminal registration business continuance, submit the newly-increased medium control option that whether needs main control terminal to confirm to newly-increased media communication in the session of controlled terminal after switching to; The business continuance server judges that according to described newly-increased medium control option if this option setting needs main control terminal that newly-increased medium are confirmed, then process is confirmed in the newly-increased medium request of main control terminal initiation; Otherwise directly initiate newly-increased medium and set up process.
Further, described newly-increased medium request affirmation process is specially:
A1, business continuance server send the request acknowledge message by the IMS core net to main control terminal;
After A2, main control terminal user make a choice, send request by the IMS core net to the business continuance server and confirm response message, carry the result who whether accepts the newly-increased medium request of controlled terminal in the message;
A3, business continuance server receive described request to be confirmed to judge behind the response message, if main control terminal is accepted the newly-increased medium request of controlled terminal, then initiates the process of setting up of newly-increased medium; Otherwise directly send response message to controlled terminal, the request of notice controlled terminal is rejected.
Further, described newly-increased medium are set up process and are comprised:
B1, business continuance server send medium to the IMS core net and set up request message, and request IMS core net assists to set up the newly-increased media communication of controlled terminal and opposite end;
B2, IMS core net send medium to the opposite end and set up the affirmation request message, carry the media description information of the newly-increased media communication of setting up in controlled terminal request and opposite end in the message; The opposite end judges whether to support newly-increased medium according to self media capability, and sends medium and set up and confirm that request response is to the IMS core net;
B3, if newly-increased medium are supported in the opposite end, then the IMS core net is distributed respective resources and is sent medium to the business continuance server and sets up request response;
B4, business continuance server are set up by the newly-increased medium of IMS core net notice main control terminal;
B5, business continuance server are by the newly-increased medium request results of IMS core net notice controlled terminal.
Further, described newly-increased medium are set up and are also comprised the process that main control terminal reports media information in the process:
A31, business continuance server send medium by the IMS core net and report request message to main control terminal;
A32, main control terminal send medium by the IMS core net and report response message to the business continuance server, carry the media information between main control terminal and the opposite end in the 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 is used for after session is switched, and initiates newly-increased medium request;
The business continuance application server after being used to receive the newly-increased medium request of controlled terminal, need to judge whether main control terminal to confirm, if then initiate newly-increased medium request and confirm process; Otherwise initiate newly-increased medium and set up process, and assist controlled terminal to finish continuing of session;
The IMS core net is used for assisting to carry out newly-increased medium request affirmation process and newly-increased medium are set up process, carries out media negotiation, forwards and resource allocation;
Main control terminal is used for the newly-increased medium request of controlled terminal is confirmed;
The opposite end is used for responding and handling according to the newly-increased medium request that the media capability of self is initiated controlled terminal.
Further, described main control terminal provides the newly-increased medium control option that whether needs main control terminal to confirm to newly-increased media communication in the session of controlled terminal after switching when carrying out the business continuance registration; The business continuance application server also is used for receiving and preserves described newly-increased medium and control option.
Further, described newly-increased medium request affirmation process is specially:
The business continuance server judges that according to described newly-increased medium control option if this option need to be set to main control terminal to confirm, then the business continuance server sends the request acknowledge message by the IMS core net to main control terminal; Otherwise directly initiate newly-increased medium and set up process;
After main control terminal user makes a choice, send request by the IMS core net to the business continuance server and confirm response message, carry the result who whether accepts the newly-increased medium request of controlled terminal in the message;
The business continuance server is judged according to the result who carries in the message after receiving described request affirmation response message, if main control terminal is accepted the newly-increased medium request of controlled terminal, then initiates the process of setting up of newly-increased medium; Otherwise directly send response message to controlled terminal, the request of notice controlled terminal is rejected.
Whether the present invention when controlled terminal adds new media, is allowed to add this new media according to described control option decision-making by main control terminal, thereby has realized the control of main control terminal to newly-increased media manipulation by adding the control option of a main control terminal.
Description of drawings
Fig. 1 business continuance service log-on of the present invention process;
Fig. 2 main control terminal of the present invention increases the process chart that media communication is controlled to controlled terminal in the session that switching is come.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Describe below in conjunction with 1 pair of registration process of accompanying drawing, registration process also is the registration process of IMS business, just increases main control terminal to whether needing controlled terminal new media communication of initiating in session is controlled such option in registration.
Step 1: serving session control function entity (the Call Session ControlFunction of main control device in core net, S-CSCF) whether send the register requirement that business continuance is served, increasing a user in the request message needs increasing the control option (being designated hereinafter simply as newly-increased medium control option) that media communication is confirmed in the session of controlled device after switching newly.
After step 2:S-CSCF receives register requirement, home business server in core net (HomeService Server, HSS) query requests of initiation Cx interface, with inquiry business application server for continuity (Service Connectivity Control Appliction Server, SCC AS) application service address, information such as port address, business rule.This process is observed IMS service log-on standard.
Step 3:S-CSCF initiates the register requirement to SCC AS, and whether comprise main control terminal in this register requirement needs the controlled terminal newly-increased medium control option that new media communication of initiating is controlled in session.
Step 4:SCC AS finishes registration, sends registration and finishes message (200OK) to S-CSCF.
Step 5:S-CSCF sends out ACk message and informs for SCC AS to know registration to finish.
Fig. 2 increases the process chart that media communication is controlled for main control terminal of the present invention to controlled terminal in the session that switching is come, below illustrate this flow process based on business scenario: father (opposite end) makes a telephone call on mother's the phone (main control terminal) outside, mother switches to conversation on son's the terminal (controlled terminal), allow son and father converse, son is when conversing with father, hope passes a photo (newly-increased medium) to father, at this moment, could set up after the communication of a photo of hope biography may need mother to confirm, the present invention can realize increasing the function that the medium request of setting up is controlled newly.
Below be the detailed description of handling process, wherein UE-1 is a main control device, and UE-2 is a controlled device, and SCC AS is the business continuance server, and the opposite end is the terminal that communicates with UE-1.
Step 201:UE-1 and SCCAS carry out associated session, to allow SCCAS assist communicating by letter of UE-1 and opposite end.
Step 202:UE-1 carries out medium A with the opposite end and communicates by letter, and this communication process is observed the IMS call flow.
Step 203:UE-2 carries out medium B with the opposite end and communicates by letter under the control of UE-1, and these medium B is the some or all of of medium A, and this process is observed the handoff procedure of SCC.
Step 204: controlled device wishes to increase newly the communication of medium C in session, sends newly-increased medium request message to the IMS core net, carries medium C media description information in the message.
Step 205:IMS core net is transmitted newly-increased medium request and is given SCC AS.
After step 206:SCC AS receives newly-increased medium request, the newly-increased medium control option that provides in registration process according to main control device judges whether that needs are confirmed newly-increased medium request by main control device UE-1, if newly-increased medium control option need to be set to confirm, then execution in step 207, otherwise execution in step 215.
Step 207:SCC AS sends the request acknowledge message by the IMS core net to UE-1, and request UE-1 confirms whether allow to add medium C, carries the media description of medium C in the described request acknowledge message.
Step 208:IMS core net will ask acknowledge message to be transmitted to UE-1.
After step 209:UE-1 received the request acknowledge message, the request of transmission confirmed that response message to the IMS core net, comprises the information of whether agreeing to add medium C in the message.
The request of transmitting of step 210:IMS core net confirms that response message is to SCC AS, SCC AS confirms that according to request the result who carries in the response message judges, if main control terminal is accepted the newly-increased medium request of controlled terminal, then SCC AS initiates the process of setting up of newly-increased medium, execution in step 211; If main control terminal is not accepted the newly-increased medium request of controlled terminal, then direct execution in step 223;
Step 211:SCC AS requires UE-1 to report its medium of conversing after receiving the request affirmation response message that the IMS core net is transmitted, and sends the medium reporting message to the IMS core net.
Step 212:IMS core net is transmitted medium and is reported request message to give UE-1;
Step 213: owing to have only medium A between UE-1 and the opposite end, therefore send medium and report response message, carry the media description information of medium A to IMS;
Step 214:IMS transmits medium and reports response message to give SCC AS;
Step 215:SCCAS sends medium to the IMS core net and sets up request message, requires the IMS core net to assist to set up the communicating by letter of medium C of UE-2 and opposite end;
Step 216:IMS core net sends medium to the opposite end and sets up the affirmation request message, indication is accepted to carry out communicating by letter of medium A between opposite end and the UE-1 in the message, with carry out communicating by letter of medium B and medium C between the UE-2, carry the media description information of medium A, medium B and medium C in the message.
Step 217: after the opposite end receives medium foundation affirmation request message, judge and currently do not set up communicating by letter of medium C with UE-2, then judge whether to set up with the medium C of UE-2 and communicate by letter according to self media capability, set up the affirmation request response to the IMS core net if can then send medium, carry the media description information of medium A, medium B and medium C in the message to the opposite end;
After step 218:IMS core net receives medium foundation affirmation request response, allocation of communications respective resources for medium C, send medium to SCC AS then and set up request response, notice SCC AS accepts the communicating by letter of medium C between opposite end and the UE-2, carries the media description information of medium A, B, C in the message;
Step 219:SCC AS sends the ACK acknowledge message to the IMS core net;
Step 220:IMS core net sends the ACK acknowledge message to the opposite end after receiving the ACK acknowledge message of SCC AS;
Step 221:SCC AS sends session to the IMS core net and sets up notification message;
Step 222:IMS core net is transmitted session and is set up notification message to UE-1, and notice UE-1 has accepted the media communication of the medium C of UE-2 and opposite end;
Step 223:SCC AS sends newly-increased medium response message to the IMS core net, if main control terminal is accepted the communication of medium C, then carry the media description information of medium C in the message, if main control terminal is not accepted the communication of medium C, then do not carry the media description information of medium C in newly-increased medium response message.UE-2 judges whether to set up and the communicating by letter of the medium C of opposite end according to the media description information that whether carries medium C in this message;
Step 224:IMS core net is transmitted newly-increased medium response message and is given UE-2;
Step 225:UE-2 sends the ACK acknowledge message to the IMS core net, and notice has been set up and the communicating by letter of the medium C of opposite end;
Step 226:IMS core net is transmitted medium and is accepted push-notification-answer message to SCC AS.
Step 227:UE-2 carries out communicating by letter of medium C with the opposite end.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (10)
1. the method for user terminal session control in the IMS network is characterized in that, comprising:
After session is switched, when the controlled terminal request increases medium newly, the business continuance server is initiated newly-increased medium request to main control terminal and is confirmed process, and after by main control terminal the newly-increased medium of controlled terminal request being confirmed, the business continuance server assists controlled terminal to finish continuing of session.
2. method according to claim 1, it is characterized in that, before described session is switched, during the service of main control terminal registration business continuance, submit the newly-increased medium control option that whether needs main control terminal to confirm to newly-increased media communication in the session of controlled terminal after switching to; The business continuance server judges that according to described newly-increased medium control option if this option setting needs main control terminal that newly-increased medium are confirmed, then process is confirmed in the newly-increased medium request of main control terminal initiation; Otherwise directly initiate newly-increased medium and set up process.
3. method according to claim 2 is characterized in that, described newly-increased medium request affirmation process is specially:
A1, business continuance server send the request acknowledge message by the IMS core net to main control terminal;
After A2, main control terminal user make a choice, send request by the IMS core net to the business continuance server and confirm response message, carry the result who whether accepts the newly-increased medium request of controlled terminal in the message;
A3, business continuance server receive described request to be confirmed to judge behind the response message, if main control terminal is accepted the newly-increased medium request of controlled terminal, then initiates the process of setting up of newly-increased medium; Otherwise directly send response message to controlled terminal, the request of notice controlled terminal is rejected.
4. according to claim 2 or 3 described methods, it is characterized in that described newly-increased medium are set up process and comprised:
B1, business continuance server send medium to the IMS core net and set up request message, and request IMS core net assists to set up the newly-increased media communication of controlled terminal and opposite end;
B2, IMS core net send medium to the opposite end and set up the affirmation request message, carry the media description information of the newly-increased media communication of setting up in controlled terminal request and opposite end in the message; The opposite end judges whether to support newly-increased medium according to self media capability, and sends medium and set up and confirm that request response is to the IMS core net;
B3, if newly-increased medium are supported in the opposite end, then the IMS core net is distributed respective resources and is sent medium to the business continuance server and sets up request response;
B4, business continuance server are set up by the newly-increased medium of IMS core net notice main control terminal;
B5, business continuance server are by the newly-increased medium request results of IMS core net notice controlled terminal.
5. method according to claim 4 is characterized in that, described newly-increased medium are set up and also comprised the process that main control terminal reports media information in the process:
A31, business continuance server send medium by the IMS core net and report request message to main control terminal;
A32, main control terminal send medium by the IMS core net and report response message to the business continuance server, carry the media information between main control terminal and the opposite end in the message.
6. the system of user terminal session control in the IMS network is characterized in that, comprising:
Controlled terminal is used for after session is switched, and initiates newly-increased medium request;
The business continuance application server after being used to receive the newly-increased medium request of controlled terminal, need to judge whether main control terminal to confirm, if then initiate newly-increased medium request and confirm process; Otherwise initiate newly-increased medium and set up process, and assist controlled terminal to finish continuing of session;
The IMS core net is used for assisting to carry out newly-increased medium request affirmation process and newly-increased medium are set up process, carries out media negotiation, forwards and resource allocation;
Main control terminal is used for the newly-increased medium request of controlled terminal is confirmed;
The opposite end is used for responding and handling according to the newly-increased medium request that the media capability of self is initiated controlled terminal.
7. system according to claim 6 is characterized in that, described main control terminal provides the newly-increased medium control option that whether needs main control terminal to confirm to newly-increased media communication in the session of controlled terminal after switching when carrying out the business continuance registration; The business continuance application server also is used for receiving and preserves described newly-increased medium and control option.
8. system according to claim 7 is characterized in that, described newly-increased medium request affirmation process is specially:
The business continuance server judges that according to described newly-increased medium control option if this option need to be set to main control terminal to confirm, then the business continuance server sends the request acknowledge message by the IMS core net to main control terminal; Otherwise directly initiate newly-increased medium and set up process;
After main control terminal user makes a choice, send request by the IMS core net to the business continuance server and confirm response message, carry the result who whether accepts the newly-increased medium request of controlled terminal in the message;
The business continuance server is judged according to the result who carries in the message after receiving described request affirmation response message, if main control terminal is accepted the newly-increased medium request of controlled terminal, then initiates the process of setting up of newly-increased medium; Otherwise directly send response message to controlled terminal, the request of notice controlled terminal is rejected.
9. system according to claim 8 is characterized in that, described newly-increased medium are set up process and are specially:
The business continuance server sends medium to the IMS core net and sets up request message, and request IMS core net assists to set up the newly-increased media communication of controlled terminal and opposite end;
The IMS core net sends medium to the opposite end and sets up the affirmation request message, carries the media description information of the media communication of setting up in controlled terminal request and opposite end in the message; The opposite end judges whether to support newly-increased medium according to self media capability, and sends medium and set up and confirm that request response is to the IMS core net;
If newly-increased medium are supported in the opposite end, then the IMS core net is distributed respective resources and is set up request response to business continuance server transmission medium;
The business continuance server is set up by the newly-increased medium of IMS core net notice main control terminal;
The business continuance server is by the newly-increased medium request results of IMS core net notice controlled terminal.
10. system according to claim 9 is characterized in that, described newly-increased medium are set up and also comprised the process that main control terminal reports media information in the process:
The business continuance server sends medium by the IMS core net and reports request message to main control terminal;
Main control terminal sends medium by the IMS core net and reports response message to the business continuance server, carries the media information between main control terminal and the opposite end in the message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910091481.0A CN101998321B (en) | 2009-08-21 | 2009-08-21 | Method and system for controlling user terminal session in IMS network |
Applications Claiming Priority (1)
| 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 true CN101998321A (en) | 2011-03-30 |
| CN101998321B 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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| CN101998321B (en) | 2015-06-10 |
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