CN101159761B - Method of processing login state subscription - Google Patents
Method of processing login state subscription Download PDFInfo
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- CN101159761B CN101159761B CN2007101848978A CN200710184897A CN101159761B CN 101159761 B CN101159761 B CN 101159761B CN 2007101848978 A CN2007101848978 A CN 2007101848978A CN 200710184897 A CN200710184897 A CN 200710184897A CN 101159761 B CN101159761 B CN 101159761B
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- state subscription
- login state
- subscriber identification
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Abstract
The invention discloses a processing method for registration state subscription, for processing registration state subscription of common user mark in IP multimedia sub-system. The method comprises following processes: inspecting whether a PUI has registration state subscription before carrying out PUI registration state subscription by P-CSCF; and carrying out PUI registration state subscription by the P-CSCF if the PUI has no registration state subscription, otherwise, no longer carrying out PUI registration state subscription if the PUI has registration state subscription. According to the invention, the P-CSCF inspects whether the PUI has the registration state subscription before PUI registration state subscription, and carries out corresponding treatment according to the inspection result so as to reduce the frequency for message communication such as registration state subscription and registration state subscription message in the network, thereby greatly reducing the network load and improving the processing capacity of net elements such as P-CSCF and S-CSCF.
Description
Technical field
The present invention relates to the communications field, particularly, the processing method that relates to login state subscription, it is particularly useful in the IP Multimedia System (IP Multimedia Core NetworkSubsystem, be called for short IMS) processing to the login state subscription of public subscriber identification.
Background technology
Network interconnection agreement (Internet Protocol, be called for short IP) IP multimedia subsystem, IMS (IPMultimedia Core Network Subsystem, be called for short IMS) be by third generation partner program (3rd Generation Partnership Project, abbreviation 3GPP) a kind of network architecture that proposes based on Session Initiation Protocol (a kind of application layer protocol of the session of creating two sides or in many ways, revise, terminate), it has made up one opening and service environment flexibly, support multimedia application, and can provide abundant multimedia service for the user.
Main functional entity comprises call conversation control entity (the Call Session Control Function that is used to control functions such as user's registration, session control among the IMS, CSCF) and be used to manage concentratedly user contracting data home subscriber server (Home SubscriberServer, HSS).
The user has two kinds of identify labels among the IMS: public user identity (Public UserIdentity, PUI) and private user identity (Private User Identity, PVI), PUI can related a plurality of PVI, for example: as colleague's user A and user B, the PVI of user A is user_a3gpp.com, and the PVI of user B is user_b3gpp.com, because they finish same work, the same PUI that they use in work is sip:user3gpp.com.
Fig. 1 is that IMS user's registration and user registration state are subscribed to flow chart.As shown in Figure 1, relate generally to following network element and equipment: subscriber equipment (User Equipment, UE), proxy call conversation control function entity (Proxy Call Session Control Function, P-CSCF), service call session control function entity (Serving Call Session ControlFunction, S-CSCF).
The IMS network uses the registration process of Session Initiation Protocol to realize that the user inserts the IMS network.User registration success will be set up relation between PUI and this user's current location at home domain S-CSCF.The IMS network uses login state subscription, realizes the real-time perception to concerning between user PUI and this user's current location.As shown in Figure 1, registration and login state subscription process comprise following processing:
S101～S104, UE registers to S-CSCF by P-CSCF, S-CSCF registered user success, making up succeeds in registration responds and issues, and P-CSCF and UE are known user registration success;
S105～S108, P-CSCF initiates login state subscription to the PUI of user's registration, and S-CSCF handles and subscribes to successfully, returns the subscription success response, and issues subscribing notification; P-CSCF receives subscribing notification, returns the subscribing notification success response after the success of renewal user registration state.
In process shown in Figure 1, after the user registration success, P-CSCF initiates login state subscription to PUI immediately, when a plurality of PVI of PUI association, use these PVI and this PUI respectively under P-CSCF succeeds in registration situation the user, P-CSCF will initiate repeatedly to subscribe to (number of times is identical with the quantity of the PVI that registers with this PUI) to this PUI.This process may further comprise the steps as shown in Figure 2:
S201, UE1 uses PVI1 (user_a3gpp.com) and PUI (sip:user3gpp.com) to finish registration on S-CSCF by P-CSCF, and P-CSCF finishes login state subscription on S-CSCF to PUI, the flow process of its flow process and S101～S108 shown in Figure 1 is basic identical, sees the description to the corresponding flow process of Fig. 1 for details;
S202, UE2 uses PVI2 (user_b3gpp.com) and PUI (sip:user3gpp.com) to finish registration on S-CSCF by P-CSCF, and P-CSCF finishes login state subscription on S-CSCF to PUI, the flow process of its flow process and S101～S108 shown in Figure 1 is basic identical, sees the description to the corresponding flow process of Fig. 1 for details;
Because only needing that PUI is carried out a login state subscription, P-CSCF just can accurately know the login state of PUI on S-CSCF, therefore, the subscription that P-CSCF carries out PUI once more in the above-mentioned treatment S 202 is unnecessary, this has increased the load of network elements such as P-CSCF, S-CSCF, whole core net (Core Network, load CN) have also been increased.
Summary of the invention
Consider exist in the correlation technique for the public subscriber identification (PUI) corresponding with a plurality of private user identity (PVI), under the situation that this PUI has registered, P-CSCF need propose the present invention to its problem that repeats to subscribe to.
According to an aspect of the present invention, a kind of processing method of login state subscription is provided, this method is used for the IP Multimedia System of proxy call conversation control function entity (P-CSCF), service call session control function entity (S-CSCF), and the login state subscription of the public subscriber identification related with at least one private user identity is handled.
This method comprised following processing: P-CSCF before carrying out the login state subscription process of public subscriber identification, checked whether public subscriber identification has existed login state subscription; Existed at public subscriber identification under the situation of login state subscription, P-CSCF no longer initiates the login state subscription to public subscriber identification, do not exist at public subscriber identification under the situation of login state subscription, P-CSCF initiates the login state subscription to public subscriber identification.
Preferably, P-CSCF is in advance in the relevant subscription information of local maintenance public subscriber identification.
Preferably, P-CSCF preserves the login state subscription information of public subscriber identification in this locality behind the login state subscription of finishing public subscriber identification.Particularly, the login state subscription sign of P-CSCF this locality preservation is set to effectively.
In addition, preferably, P-CSCF carries out before the login state subscription process of public subscriber identification after the response of succeeding in registration that receives from S-CSCF, checks whether public subscriber identification has existed login state subscription.
Above-mentioned P-CSCF initiates the processing of the login state subscription of public subscriber identification is comprised: P-CSCF sends the login state subscription request to S-CSCF; S-CSCF returns the login state subscription success response to P-CSCF; S-CSCF sends subscribing notification to P-CSCF; P-CSCF upgrades user registration state, returns the subscribing notification success response to S-CSCF.
By the present invention, by making P-CSCF before carrying out the login state subscription process of public subscriber identification, check whether public subscriber identification has existed login state subscription, and carry out respective handling according to check result, can reduce the number of times of interacting message such as login state subscription and login state subscription notice in the network, reduce network load greatly, thereby can improve the disposal ability of network elements such as P-CSCF, S-CSCF.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart according to registration and login state subscription in the IMS network of correlation technique;
Fig. 2 is a flow chart of handling the login state subscription of the PUI related with a plurality of PVI according to P-CSCF in the IMS network of correlation technique;
Fig. 3 is the flow chart according to the processing method of the login state subscription of the embodiment of the invention;
Fig. 4 is the flow chart of the specific implementation example of method shown in Figure 3.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
As mentioned above, in correlation technique, for the public subscriber identification (PUI) corresponding with a plurality of private user identity (PVI), under the situation that this PUI has registered, P-CSCF still needs it is repeated to subscribe to, for this reason, in the processing method of the login state subscription that the embodiment of the invention provides, P-CSCF checked whether PUI has existed login state subscription, and carries out respective handling according to check result before carrying out the login state subscription process of PUI.Wherein, the IP Multimedia System of the application embodiment of the invention comprises other functional entitys such as P-CSCF, S-CSCF.
Particularly, as shown in Figure 3, comprise (step S302～step S304) according to the processing method of the login state subscription of the embodiment of the invention:
Step S302, P-CSCF checked whether PUI has existed login state subscription before carrying out the login state subscription process of PUI;
In this step, preferably, P-CSCF carries out before the login state subscription process of PUI after the response of succeeding in registration that receives from S-CSCF, checks whether PUI has existed login state subscription, certainly, the invention is not restricted to this, can check in suitable any according to the needs of implementing, for example, P-CSCF can promptly check after UE initiates register requirement, and need not to wait for the response of succeeding in registration of S-CSCF.
In addition, the registration process of UE is referring to step S101～S104 of Fig. 1:
Step S101, UE sends register requirement to P-CSCF;
Step S102, P-CSCF is forwarded to S-CSCF with register requirement;
Step S103, S-CSCF registered user success makes up the response (200OK) of succeeding in registration, and is issued to P-CSCF;
S104, P-CSCF will succeed in registration to respond and send to UE.
After the step S302, proceed to step S304: existed at PUI under the situation of login state subscription, P-CSCF no longer initiates the login state subscription to PUI, does not exist at PUI under the situation of login state subscription, and P-CSCF initiates the login state subscription to PUI.
In above-mentioned processing, preferably, P-CSCF can be in advance in the relevant subscription information of local maintenance PUI, for example, the promoter of subscription, subscribe to type, subscribe to sign etc.
In addition, in above-mentioned processing, preferably, P-CSCF preserves the login state subscription information of PUI in this locality behind the login state subscription of finishing PUI.For example, the P-CSCF corresponding login state subscription sign of can this locality preserving is set to effectively or is set to true.Like this, behind the login state subscription of execution PUI, just can upgrade the login state subscription information that P-CSCF preserves in this locality.
The P-CSCF that mentions in step S304 initiates the processing of the login state subscription of PUI can be understood with reference to step S105～S108 of Fig. 1:
Step S105, P-CSCF sends the login state subscription request to S-CSCF;
Step S106, S-CSCF returns the login state subscription success response to P-CSCF;
Step S107, S-CSCF sends subscribing notification to P-CSCF;
Step S108, P-CSCF upgrades user registration state, returns the subscribing notification success response to S-CSCF.
Below will understand the present invention further combined with example.In this example, PUI (sip:user3gpp.com) is related with PVI1 (user_a3gpp.com) and PVI2 (user_b3gpp.com), UE1 at first uses PUI (sip:user3gpp.com) to initiate registration, UE2 uses PUI (sip:user3gpp.com) to initiate registration equally afterwards, after the technical scheme of employing according to the embodiment of the invention, the relevant treatment flow process comprises as shown in Figure 4:
Step S401, UE1 uses PVI1 (user_a3gpp.com) and PUI (sip:user3gpp.com) to finish registration on S-CSCF (flow process of its flow process and the described S101～S104 of Fig. 1 is basic identical, the description of the corresponding flow process to Fig. 1 as detailed above) by P-CSCF;
Step S402, P-CSCF are checked through the login state subscription that does not exist PUI, carry out the login state subscription to this PUI;
Step S403, P-CSCF finishes login state subscription on S-CSCF to PUI; (flow process of its flow process and the described S105～S108 of Fig. 1 is basic identical, the description of the corresponding flow process to Fig. 1 as detailed above)
Step S404, UE2 use PVI2 (user_b3gpp.com) and PUI (sip:user3gpp.com) to finish registration on S-CSCF by P-CSCF; (flow process of its flow process and the described S105～S108 of Fig. 1 is basic identical, the description of the corresponding flow process to Fig. 1 as detailed above)
Step S405, P-CSCF are checked through the login state subscription that exists PUI, no longer carry out the login state subscription to this PUI.Handling process with relevant technology is compared as can be seen, in embodiments of the present invention, need not to repeat login state subscription.
As mentioned above, by the present invention, by making P-CSCF before carrying out the login state subscription process of PUI, check whether PUI has existed login state subscription, and carry out respective handling according to check result, can reduce the number of times of interacting message such as login state subscription and login state subscription notice in the network, reduce network load greatly, thereby can improve the disposal ability of network elements such as P-CSCF, S-CSCF.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the processing method of a login state subscription, be used to comprise that proxy call conversation control function entity is that P-CSCF, service call session control function entity are the IP Multimedia System of S-CSCF, login state subscription to the public subscriber identification related with at least one private user identity is handled, it is characterized in that described method comprises:
P-CSCF initiates to check immediately whether described public subscriber identification has existed login state subscription after the register requirement at UE, perhaps, described P-CSCF is after the response of succeeding in registration that receives from S-CSCF, before carrying out the login state subscription process of public subscriber identification, check whether described public subscriber identification has existed login state subscription;
Existed at described public subscriber identification under the situation of login state subscription, described P-CSCF no longer initiates the login state subscription to described public subscriber identification, do not exist at described public subscriber identification under the situation of login state subscription, described P-CSCF initiates the login state subscription to described public subscriber identification.
2. method according to claim 1 is characterized in that, described P-CSCF is in advance in the relevant subscription information of local maintenance public subscriber identification.
3. method according to claim 1 is characterized in that, described P-CSCF preserves the login state subscription information of described public subscriber identification in this locality behind the login state subscription of finishing described public subscriber identification.
4. method according to claim 3 is characterized in that, is specially, and the login state subscription sign that preserve described P-CSCF this locality is set to effectively.
5. method according to claim 1 is characterized in that, described P-CSCF initiates the processing of the login state subscription of described public subscriber identification is comprised:
Described P-CSCF sends the login state subscription request to described S-CSCF;
Described S-CSCF returns the login state subscription success response to described P-CSCF;
Described S-CSCF sends subscribing notification to described P-CSCF;
Described P-CSCF upgrades user registration state, returns the subscribing notification success response to described S-CSCF.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101848978A CN101159761B (en) | 2007-10-29 | 2007-10-29 | Method of processing login state subscription |
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| CN2007101848978A CN101159761B (en) | 2007-10-29 | 2007-10-29 | Method of processing login state subscription |
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| CN101159761A CN101159761A (en) | 2008-04-09 |
| CN101159761B true CN101159761B (en) | 2011-12-07 |
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| CN2007101848978A Expired - Fee Related CN101159761B (en) | 2007-10-29 | 2007-10-29 | Method of processing login state subscription |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101588568B (en) * | 2009-06-11 | 2011-07-13 | 中兴通讯股份有限公司 | Method and device for changing user registration state utilizing IMS |
| CN101990189B (en) * | 2009-08-04 | 2014-04-30 | 中兴通讯股份有限公司 | Implementation method and system for third-party registration based on IP multimedia subsystem |
| CN101998356B (en) * | 2009-08-12 | 2013-12-04 | 中兴通讯股份有限公司 | Processing method and system for AS (Application Server) to initiate subscription in IP (Internet Protocol) multi-media subsystem |
| CN104426956B (en) | 2013-08-28 | 2018-10-12 | 华为技术有限公司 | A kind of SOT state of termination method for subscribing, apparatus and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040193690A1 (en) * | 2002-12-19 | 2004-09-30 | Hiroyuki Nagai | Electronic mail distributing apparatus, electronic mail distributing method, program for controlling the method, and storage medium storing the program |
| CN1767482A (en) * | 2004-10-26 | 2006-05-03 | 华为技术有限公司 | User registering method for Internet protocol multimedia subsystem |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040193690A1 (en) * | 2002-12-19 | 2004-09-30 | Hiroyuki Nagai | Electronic mail distributing apparatus, electronic mail distributing method, program for controlling the method, and storage medium storing the program |
| CN1767482A (en) * | 2004-10-26 | 2006-05-03 | 华为技术有限公司 | User registering method for Internet protocol multimedia subsystem |
Non-Patent Citations (2)
| Title |
|---|
| 3GPP.TSG Core Network and Terminals.TS 24.229 V7.8.0.2007,1-423. * |
| 3GPP.TSG Core Network and Terminals.TS 29.228 V6.8.0.2005,1-54. * |
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Granted publication date: 20111207 Termination date: 20171029 |