CN101102607B - A method for processing user subscription in IP multimedia subsystem IMS - Google Patents
A method for processing user subscription in IP multimedia subsystem IMS Download PDFInfo
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- CN101102607B CN101102607B CN2007101401589A CN200710140158A CN101102607B CN 101102607 B CN101102607 B CN 101102607B CN 2007101401589 A CN2007101401589 A CN 2007101401589A CN 200710140158 A CN200710140158 A CN 200710140158A CN 101102607 B CN101102607 B CN 101102607B
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Abstract
The method comprises: a) user end (UE) initiates a registration request, and after receiving the information about successful registration, initiates a registration state subscription request; if the subscription fails, and the fail reason is that the registration state subscription is prohibited, then entering the next step; b) said UE initiates a re-registration request, and after successfully completing the re-registration, re-initiates a registration state subscription request; c) if the subscription fails, and the failure reason is still that the registration state subscription is prohibited, and the times of re-registrations don't reach a upper threshold, returning to step (b); otherwise, ending the process.
Description
Technical field
The present invention relates to communication field, relate in particular to the method that process user is subscribed among a kind of IP Multimedia System IMS.
Background technology
IMS (IP Multimedia Subsystem, IP Multimedia System) is third generation affiliate tissue (3rd Generation Partnership Project, abbreviation 3GPP) standard of the next generation network of definition, its distinguishing feature is to have adopted Session initiation Protocol (Session Initiation Protocol, be called for short SIP) system, communication is irrelevant with access, can possess multiple media business controlled function separates with bearing capacity, calling separates with session, application separates with service, business and network detach, and multiple abilities such as mobile network and internet integrated services, the trend of communication network fusion development has been complied with in the proposition of IMS.
Major function entity in the IMS system comprises: call conversation control entity (the Call Session Control Function that functions such as user's registration management, session control are provided, be called for short CSCF), home subscriber server (the Home Subscriber Server of centralized management user contracting data function is provided, be called for short HSS), the application server (Application Server is called for short AS) of miscellaneous service logic control function is provided.
The user must the successful execution registration process before using the IMS business.Fig. 1 is that IMS user's registration and user registration state are subscribed to (user registration state is subscribed to and also be can be described as subscription, state subscription) flow chart.Relate generally to following network element and equipment: user terminal (User Equipment, be called for short UE), Proxy Call Session Control Function (Proxy Call Session Control Function, be called for short P-CSCF), query call conversation control function (Interrogating Call Session Control Function, be called for short I-CSCF), service call conversation control function (Serving Call Session Control Function, be called for short S-CSCF), home subscriber server (Home Subscriber Server, be called for short HSS), and application server (Application Server is called for short AS).
The IMS network uses the registration process of Session Initiation Protocol, realizes that the user inserts the IMS network.User registration success will be set up relation between public user identity and this user's current location at home domain S-CSCF.Registration process may further comprise the steps as shown in Figure 1:
S101) UE sends register requirement to P-CSCF;
When S102) P-CSCF receives register requirement, find the I-CSCF of user attaching Network Access Point, and register requirement is forwarded to I-CSCF by DNS inquiry or other method;
S103) I-CSCF sends a request message to HSS, and request distributes S-CSCF;
S104) HSS returns the ability of the S-CSCF name or the S-CSCF of distribution to I-CSCF;
S105) I-CSCF sends to selected S-CSCF with login request message;
S106) if～S116) S-CSCF need carry out authentication to the user, need so to obtain the authentification of user vector to HSS, and according to the Ciphering Key that returns in the S107 message, structure challenge request (401Unauthorized message), after this challenge request was forwarded to UE, UE constructed challenge responses, after S-CSCF receives S115 challenge responses message, judge user's legitimacy, finish authentication, authentication the user; If do not need authentication, can directly carry out S117;
S117) S-CSCF sends the request of user's configuration data to HSS;
S118) HSS stores S-CSCF information, and user contracting data, charging address information are returned S-CSCF;
S119) S-CSCF storing subscriber information comprises user contracting data, charging address etc.;
S120)～S122) S-CSCF makes up the response of succeeding in registration, and response forwards UE to behind I-CSCF and P-CSCF;
S123) P-CSCF initiates the login state subscription request;
S124) I-CSCF sends to S-CSCF with the state request of P-CSCF;
S125) S-CSCF handles and subscribes to successfully, returns the subscription success response;
S126) I-CSCF will subscribe to success response message and issue P-CSCF, the login state subscription success that P-CSCF initiates;
S127)～S130) S-CSCF issues subscribing notification; P-CSCF receives after subscribing notification upgrades the user registration state success and returns the subscribing notification success response;
S131)～S134) UE initiates login state subscription, and S-CSCF handles and subscribes to successfully, returns and subscribes to success response to UE;
S135)～S138) S-CSCF issues subscribing notification; UE receives after subscribing notification upgrades the user registration state success and returns the subscribing notification success response.
As can be seen, after UE finishes registration, change if user registration state takes place from said process, UE can only pass through successfully to initiate to subscribe to, and constantly obtains S-CSCF and upgrades user registration state to its subscribing notification that issues.
After S-CSCF returns the response (S122) of succeeding in registration, UE just thinks that self is in the success of IMS network registry, but at this time S-CSCF does not really finish all flow processs that this UE registers in fact, have only after S-CSCF completes successfully all follow-up flow processs, the business that UE could use all IMS to provide, and also there is the possibility of failure in these follow-up flow processs, such as: wherein some flow process is professional necessary, if these flow processs are made mistakes, the cancellation that S-CSCF initiates network terminal will be triggered.If the subscription that UE initiates occurs in after this cancellation, this subscription will be forbidden (403 Forbidden) by S-CSCF.
If the login state subscription that UE initiates is forbidden (403 Forbidden) by S-CSCF, UE can't upgrade user registration state, cause the asynchronous of registration status information in the entire I MS system, this moment, login state that UE write down deviation occurred with real login state, will cause the user can't use the serious consequence of the business that IMS provides.The user registration state that UE shows at this time can occur is registered success, and this user registration state is for being canceled in the actual IMS system, and at this moment this UE can't normally carry out caller, business such as called, causes very bad experience to the user.
Also there is not the corresponding techniques scheme to solve the problems referred to above at present.
Summary of the invention
The technical problem to be solved in the present invention provides the method for user's subscription registration state failure problem among a kind of IP Multimedia System IMS, make take place the user subscribe to make mistakes after, can eliminate the serious consequence that the user can't use the business that IMS provides as early as possible.
In order to solve the problems of the technologies described above, the invention provides the method that process user is subscribed among a kind of IP Multimedia System IMS, comprising:
(a) user terminal UE initiates register requirement, initiates the login state subscription request after receiving the information of succeeding in registration, and is login state subscription when being under an embargo if subscribe to failure and failure cause, carries out next step;
(b) described UE initiates heavy register requirement, and initiates the login state subscription request once more after the registration completing successfully heavily;
(c) if this time subscribe to failure, failure cause still is under an embargo for login state subscription, and heavy times of registration returns step (b) when not reaching the set upper limit value, otherwise, end.
Further, above-mentioned method can also have following characteristics: in the step (c), as weighing the threshold value that times of registration reaches regulation, then UE stops heavily to register, and alarms to the user.
Further, above-mentioned method can also have following characteristics: step (a) or step (c) if in subscribe to successfully, the business that the user can use IMS to provide finishes.
Further, above-mentioned method can also have following characteristics: step (a) or step (c) if in to subscribe to failure be other mistake, then handle according to the corresponding handling process of its error reason.
Further, above-mentioned method can also have following characteristics: the higher limit of the heavy times of registration of described permission is by UE or by other network element regulation among the IMS.
Further, above-mentioned method can also have following characteristics: wherein said login state subscription is under an embargo and is meant: after UE receives the information of succeeding in registration, owing to the cancellation of network terminal is canceled the login state of UE in IMS, if UE initiates the login state subscription request after this cancellation, then this subscription will be under an embargo.
The method that process user is subscribed among the IMS of the present invention, under the situation of the login state subscription request failure that UE initiates, its error code is classified, handling process according to its error code is handled, when login state subscription is under an embargo, UE can upgrade user registration state by initiating heavy register requirement, thereby has solved the problem of user registration state subscription failure effectively.
Description of drawings
Fig. 1 is that the schematic diagram of flow process is registered, subscribed to user terminal in the prior art in the IMS system;
Fig. 2 is that the process user of the embodiment of the invention is subscribed to the flow chart of failure method;
Fig. 3 subscribes to the schematic flow sheet that failure back UE heavily registers in the application example of the present invention;
Fig. 4 repeatedly subscribes to failure back UE alarm processing schematic diagram in the application example of the present invention.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
The invention provides the method that process user is subscribed among a kind of IMS, its core concept comprises as shown in Figure 2:
S201) user terminal UE initiates register requirement, and after receiving the information of succeeding in registration, and to subscribe to failure and failure cause be login state subscription when being under an embargo if initiate the login state subscription request at once, carries out next step;
S202) described UE initiates heavy register requirement, and initiates the login state subscription request once more after the registration completing successfully heavily;
S203) if this time subscribe to failure, failure cause still is under an embargo for login state subscription, and heavy times of registration returns step S202 when not reaching the set upper limit value, otherwise, end.
This method specifically may further comprise the steps:
(1) UE initiates registration, complete successfully registration after, initiate login state subscription, if subscribe to failure, UE will receive the subscription failure response.
Subscribing to failure also might be request timed out, and at this moment UE very likely collects less than any final response, and UE will handle according to subscribing to overtime flow process, and relevant agreement provides this handling process explanation, and this is not the problem that the present invention need pay close attention to.
(2) UE classifies according to the error code of receiving, when error code is 403, shows that the processing registration failure is former because forbid (403 Forbidden) mistake on S-CSCF.
If it is other error code that S-CSCF this moment handles error result, then UE can make corresponding operating according to the related protocol regulation, and related protocol provides this handling process explanation, and this does not belong to the problem that the present invention need pay close attention to.
And forbid that (403 Forbidden) mistake does not have related protocol and stipulates its error handling processing behavior.
(3) when error code when forbidding (403 Forbidden), UE initiates heavily registration, and after finishing heavily registration, initiates state subscription once more.
If this state subscription success, then UE can use the business that the IMS network provides.
If this state subscription is still unsuccessful, and error code need repeat this step and arrive the upper limit that allows heavy times of registration up to heavy times of registration still for forbidding (403 Forbidden).
This restricted number can be the UE regulation, also can be by other network element regulation among the IMS.
If heavily after the registration, subscribe to still failure, but the failure error code no longer is when forbidding (403Forbidden), will to handle according to the corresponding handling process of this error code, not necessarily initiates heavily registration by UE again.
(4) heavy times of registration reaches the upper limit and still fails, and UE abandons heavily registration again, and sends warning information.
At this time UE can allow the user select whether to carry out follow-up registration retry, also can no longer carry out retry.
If retry no longer, UE is with all business that possibly can't normally use IMS to provide.
Further be illustrated with application example of the present invention below.
Fig. 3 subscribes to the schematic flow sheet that failure back UE heavily registers in the application example of the present invention.Described among the figure first that UE succeeds in registration, after (403 Forbidden), UE has sent heavy register requirement but login state subscription is under an embargo, and after the success, has initiated new subscription, subscribes to successfully specifically (200 OK).Step is as follows among the figure:
S301) UE finishes the registration on S-CSCF, and the flow process of its flow process and the described S101～S122 of Fig. 1 is basic identical, sees the description of the corresponding flow process of Fig. 1 for details;
S302) P-CSCF initiates the login state subscription request, and S-CSCF handles and subscribes to successfully, returns the subscription success response, and issues subscribing notification; P-CSCF receives after subscribing notification upgrades the user registration state success and returns the subscribing notification success response.The flow process of its flow process and the described S123～S130 of Fig. 1 is basic identical, sees the description of the corresponding flow process of Fig. 1 for details;
S303) UE initiates the login state subscription request;
S304) P-CSCF sends to S-CSCF with the subscribe request of UE;
S305) S-CSCF handles the subscribe request failure, sends to forbid that (403 Forbidden) response is to P-CSCF;
S306) P-CSCF sends response to UE;
S307) UE handles and subscribes to failure response, for forbidding mistake (403 Forbidden), initiates heavily registration, succeeds in registration;
S308) UE initiates the login state subscription request once more;
S309) P-CSCF sends to S-CSCF with the subscribe request of UE;
S310) this processing subscribe request success of S-CSCF sends successfully (200 OK) response and gives P-CSCF;
S311) P-CSCF sends response to UE;
S312) S-CSCF issues subscribing notification and gives P-CSCF;
S313) P-CSCF issues UE with subscribing notification;
S314) UE receives after subscribing notification upgrades the user registration state success and returns the subscribing notification success response to P-CSCF;
S315) P-CSCF issues S-CSCF with success response.
Fig. 4 repeatedly subscribes to failure back UE alarm processing schematic diagram in the application example of the present invention.Having described UE among the figure succeeds in registration, but login state subscription is under an embargo after (403 Forbidden), UE has sent heavy register requirement, after the success, initiated new subscription, (403 Forbidden) once more is under an embargo, repeatedly retry procedure (heavily registration-＞succeed in registration-＞subscribe to-＞subscribe to be under an embargo) after, the heavy times of registration upper limit of final arrival is still unregistered, and UE stops retry procedure, sends warning information.Step is as follows among the figure:
S401) UE finishes the registration on S-CSCF, and the flow process of its flow process and the described S101～S122 of Fig. 1 is basic identical, sees the description of the corresponding flow process of Fig. 1 for details;
S402) P-CSCF initiates the login state subscription request, and S-CSCF handles and subscribes to successfully, returns the subscription success response, and issues subscribing notification; P-CSCF receives after subscribing notification upgrades the user registration state success and returns the subscribing notification success response.The flow process of its flow process and the described S123～S130 of Fig. 1 is basic identical, sees the description of the corresponding flow process of Fig. 1 for details;
S403) UE initiates the login state subscription request;
S404) P-CSCF sends to S-CSCF with the subscribe request of UE;
S405) S-CSCF handles the subscribe request failure, sends to forbid that (403 Forbidden) response is to P-CSCF;
S406) P-CSCF sends response to UE;
S407) UE handles and subscribes to failure response, for forbidding mistake (403 Forbidden), initiates heavily registration, succeeds in registration;
S408) UE initiates the login state subscription request;
S409) P-CSCF sends to S-CSCF with the subscribe request of UE;
S410) S-CSCF handles the subscribe request failure once more, sends to forbid that (403 Forbidden) response is to P-CSCF;
S411) P-CSCF sends response to UE;
S412), subscribe to still failure, and failure cause is 403 Forbidden always by repeatedly carrying out flow process S407～S411, if at this moment heavy times of registration reaches the number of times upper limit of once heavily registering of UE regulation, then stop heavily to register, and send alarm, show this UE registration failure.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (6)
1. the method that process user is subscribed among the IP Multimedia System IMS comprises:
(a) user terminal UE initiates register requirement, initiates the login state subscription request after receiving the information of succeeding in registration, and is login state subscription when being under an embargo if subscribe to failure and failure cause, carries out next step;
(b) described UE initiates heavy register requirement, and initiates the login state subscription request once more after the registration completing successfully heavily;
(c) if this time subscribe to failure, failure cause still is under an embargo for login state subscription, and heavy times of registration returns step (b) when not reaching the set upper limit value, otherwise, end;
Wherein, UE subscribes to failure response by handling, and the profiling error code learns that for forbidding failure cause is that login state subscription is under an embargo.
2. the method for claim 1 is characterized in that,
In the step (c), as weighing the threshold value that times of registration reaches regulation, then UE stops heavily to register, and alarms to the user.
3. the method for claim 1 is characterized in that,
Step (a) or step (c) if in subscribe to successfully, the business that the user can use IMS to provide finishes.
4. the method for claim 1 is characterized in that,
Step (a) or step (c) if in to subscribe to failure be other mistake, then handle according to the corresponding handling process of its error reason.
5. method as claimed in claim 3 is characterized in that,
The higher limit of the heavy times of registration of described permission is by UE or by other network element regulation among the IMS.
6. the method for claim 1 is characterized in that,
Wherein said login state subscription is under an embargo and is meant: after UE receives the information of succeeding in registration, owing to the cancellation of network terminal is canceled the login state of UE in IMS, if UE initiates the login state subscription request after this cancellation, then this subscription will be under an embargo.
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| CN2007101401589A CN101102607B (en) | 2007-08-08 | 2007-08-08 | A method for processing user subscription in IP multimedia subsystem IMS |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101577963A (en) * | 2008-10-17 | 2009-11-11 | 中兴通讯股份有限公司 | Method for handling user registration failure |
| CN102035805B (en) * | 2009-09-25 | 2015-05-20 | 中兴通讯股份有限公司 | Third party registration failure processing method and device for IMS (IP Multimedia Subsystem) |
| CN102546554B (en) * | 2010-12-27 | 2015-01-28 | 中兴通讯股份有限公司 | IP (Internet Protocol) multimedia subsystem and method thereof for recovering user subscription relationship |
| US9986525B1 (en) * | 2016-11-30 | 2018-05-29 | T-Mobile Usa, Inc. | Error handling during IMS subscription for registration status |
| US10051017B2 (en) * | 2016-12-28 | 2018-08-14 | T-Mobile Usa, Inc. | Error handling during IMS registration |
| CN110012078A (en) * | 2019-03-20 | 2019-07-12 | 河北远东通信系统工程有限公司 | Applied to AS system end-user registration event subscription and unsubscribe method |
| CN115568011B (en) * | 2022-02-07 | 2023-10-24 | 荣耀终端有限公司 | Method for user equipment to initiate IMS registration and corresponding user equipment |
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| CN1507762A (en) * | 2001-05-09 | 2004-06-23 | ��˹��ŵ�� | Method for indicating a user that it must register |
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| CN1507762A (en) * | 2001-05-09 | 2004-06-23 | ��˹��ŵ�� | Method for indicating a user that it must register |
Non-Patent Citations (3)
| Title |
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| 3GPP Organizational Partners.IP Multimedia Call Control Protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP) |
| 3GPP Organizational Partners.IP Multimedia Call Control Protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Stage 3(Release5).《3GPP TS 24.229 V5.19.0》.2007, * |
| Stage 3(Release5).《3GPP TS 24.229 V5.19.0》.2007, |
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