CN101159570A - IP multimedia subsystem based user subscription method of multi-terminal user - Google Patents
IP multimedia subsystem based user subscription method of multi-terminal user Download PDFInfo
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Abstract
The invention discloses a subscription method of multi-terminal users based on an IP multimedia subsystem. The method comprises the following steps: an application server processes a third party registration request from a S-CSCF terminal; the application server checks whether a common user ID corresponding to the terminal has made a state subscription; the application server initiates a state subscription request to the common user ID under the condition that the common user ID doesn't make the state subscription, or the application server doesn't initiate the state subscription request under the condition that the common user ID has made the state subscription. The invention can efficiently reduce the resource occupancy during the subscription process, particularly reduce the invalid occupancy of network resources due to repeated identical subscriptions, so that the efficiency is increased, the operating cost is reduced and the network user capacity is increased.
Description
Technical field
The present invention relates to communication field, particularly, relate to (application server) method for subscribing of multi-terminal user in the IP Multimedia System.
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, uses and 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.
In IMS, a user can have a plurality of different terminals, be referred to as multi-terminal user, these multi-terminal users have identical public user identity (Public UserIdentity, be called for short PUI) and different private user identity (Private User Identity is called for short PVI), PUI can related a plurality of PVI, certainly, a PVI also can related a plurality of PUI.
At present, the IMS system is also strengthening day by day to the support of multi-terminal user, and it allows these terminals simultaneously online, carries out different dialogue simultaneously.Because the capacity variance of a plurality of terminals that multi-terminal user has is very big, different terminals is also different to the IMS core requirement, should this require the IMS system to provide differentiated service will become a kind of trend to different terminals.
Fig. 1 shows the network structure that a PUI (as: User@home.com) has three terminal UE 1, UE2, UE3.As shown in Figure 1, framework among the figure has comprised application server 101 (Application Server, be called for short AS), S-CSCF 102 (Serving CallSession Control Function, service call conversation control function), P-CSCF 103, (Proxy Call Session Control Function, Proxy Call Session Control Function) user terminal 1104 (User Equipment No.1, be called for short UE1), user terminal 2 105, (User Equipment No.2 is called for short UE2) user terminal 3 106 (User EquipmentNo.3 is called for short UE3).
UE1 among Fig. 1, UE2, UE3 are three different terminals of same user, be respectively different equipment, have the very terminal capability of big-difference, after they are successfully registered in the IMS system, bound different contact addresses, for example, be respectively: UE1@home.com, UE2@home.com, UE3@home.com; Here, these terminals all need be carried out third-party registration on same application server, and application server need carry out state subscription to terminal.The user is before using the IMS business, necessary successful execution registration process, and the user is before using specific application, need to carry out third-party registration to the application server of appointment, and after finishing third-party registration, application server can carry out state subscription to this user, three terminals that a PUI (User@home.com) is corresponding among Fig. 1 have completed successfully after the register flow path successively, all need on same application server, carry out third-party registration, this application server also all needs to carry out state subscription, so just need carry out three third party's registrations, application server also needs to carry out three next states and subscribes to; Flow process about these third-party registration and state subscription will be described in Fig. 2.
Fig. 2 is the schematic flow sheet that a plurality of terminals of present IMS system multi-terminal user are finished registration, state subscription respectively.User among Fig. 2 has 3 different terminal UE 1, UE2 and UE3, and these three terminals are used identical PUI.All registrations and finish third-party registration in same IMS system of UE1, UE2, UE3, then as shown in Figure 2, the flow process of application server state subscription may further comprise the steps:
S201, user terminal UE1 be successfully registration on S-CSCF, binding contact address UE1@home.com, and finish User Status and subscribe to, this part flow process does not need special concern in the present invention, does not launch to describe;
S202, S-CSCF initiate the third-party registration request to application server after the register requirement of the UE1 that successfully finishes dealing with, our called after " third-party registration 1 " of this third-party registration request;
S203, application server receive " third-party registration 1 ", finish authentication, authentication after, send the response of succeeding in registration of third-party registration 1 to S-CSCF;
S204, application server is initiated the state subscription request to the pairing PUI of UE1, and the state subscription request called after " application server state subscription 1 " that this application server is initiated is called for short " subscribing to 1 ";
S205, S-CSCF receive the subscription of application server, send to subscribe to success response, and UE1 finished registration and application server and also finished state subscription to the pairing PUI of UE1 this moment;
S206, with the another one terminal UE 2 of the shared same PUI of user terminal UE1, also successfully registration on S-CSCF, binding contact address UE2@home.com, and finish User Status and subscribe to;
S207, S-CSCF initiate the third-party registration request to application server after the register requirement of the UE2 that successfully finishes dealing with, our called after " third-party registration 2 " of this third-party registration request; Here " third-party registration 2 " message content is roughly similar with " third-party registration 1 " message content, the main distinction shows the contact address difference: the contact address of " third-party registration 1 " is UE1@home.com, and the contact address of " third-party registration 2 " is UE2@home.com, and the difference that may register expired time;
S208, application server receive " third-party registration 2 ", finish authentication, authentication after, send the third-party registration success response to S-CSCF;
S209, application server is initiated the state subscription request to the pairing PUI of UE2, the state subscription request called after " application server state subscription 2 " that this application server is initiated, be called for short " subscribing to 2 ", because state subscription is at PUI, so " subscription 1 " is the subscription of application server to twice repetition of same PUI with " subscribing to 2 ", " subscribing to 1 " is almost completely identical with " subscribing to 2 " message content;
S210, S-CSCF receive application server and " subscribe to 2 ", send to subscribe to success response, and this moment, UE2 finished registration, and application server has also been finished the state subscription to the pairing PUI of UE2;
S211, user terminal UE3 and user terminal UE1, UE2 share same PUI, also successfully registration on S-CSCF, binding contact address UE3@home.com, and finish User Status and subscribe to;
S212, S-CSCF initiate the third-party registration request to application server after the register requirement of the UE3 that successfully finishes dealing with, our called after " third-party registration 3 " of this third-party registration request; Here, the message content of " third-party registration 3 " is also roughly similar with the message content of " third-party registration 1 ", " third-party registration 2 ", and main difference is the contact address difference, and the difference that may register expired time;
S213, application server receive " third-party registration 3 ", finish authentication, authentication after, send the third-party registration success response to S-CSCF;
S214, application server is initiated the state subscription request to the pairing PUI of UE3, and the state subscription request called after " application server state subscription 3 " that this application server is initiated is called for short " subscribing to 3 ".Subscribe to 1 ", " subscribing to 2 ", " subscribing to 3 " be the subscription of application server to the repetition of same PUI, message content is also almost completely identical;
S215, S-CSCF receive application server and " subscribe to 3 ", send to subscribe to success response, and this moment, UE3 finished registration, and application server has also been finished the state subscription to the pairing PUI of UE3;
From client subscription process shown in Figure 2 as can be seen, have in three different terminal UE 1 of same PUI, the process that UE2, UE3 register in same IMS core net respectively, the third-party registration flow process that three flow processs that S-CSCF carries out for these three terminals are identical, message is also almost consistent, simultaneously, application server has also carried out three times the identical state subscription of the corresponding PUI of terminal.
Fig. 3 is that three terminals change at state in the prior art, and need subscribe to the schematic flow sheet when refreshing.As shown in Figure 3, basic procedure is as follows:
S301, certain terminal generating change of state in three terminals has perhaps initiatively been initiated heavily registration by terminal;
S302-S303, S-CSCF is known terminal generating change of state, detects terminal and changes if SOT state of termination is changed in the IMS core net network element, and then S302 is certain network element notice S-CSCF, if and terminal is when initiatively initiating heavy register requirement, S302 then is a registration process;
S304, because the application server among Fig. 2 has successfully been subscribed to " subscribing to 1 " on S-CSCF, S-CSCF is to application server transmit status notice (NOTIFY) request;
After S305, application server receive the state notifying of " subscribing to 1 ", to S-CSCF transmit status push-notification-answer;
S306, application server among Fig. 2 has successfully been subscribed to " subscribing to 2 " on S-CSCF, S-CSCF is to application server transmit status notice (NOTIFY) request, the state notifying request of " subscribing to 2 " all is to reflect that Status Change or heavily registration have taken place the same terminal of same PUI with the state notifying request of " subscribing to 1 ", so content is identical;
After S307, application server receive the state notifying of " subscribing to 2 ", to S-CSCF transmit status push-notification-answer;
S308, application server among Fig. 2 has successfully been subscribed to " subscribing to 3 " on S-CSCF, S-CSCF is to application server transmit status notice (NOTIFY) request, and the state notifying request of " subscribing to 3 " is also in full accord with the state notifying request of " subscribing to 1 ", " subscribing to 2 ";
After S309, application server receive the state notifying of " subscribing to 3 ", to S-CSCF transmit status push-notification-answer;
This shows, in existing technology, as long as multi-terminal user have a terminal generating change of state or heavily the registration, S-CSCF all can send equal the terminal subscribes sum notification message to application server; And state variation all might take place in each terminal of multi-terminal user, regularly heavily register in the capital, answer this for the user who has a plurality of terminals, state variation or heavily the registration will be quite frequent, and whenever state variation or when heavily registering, S-CSCF needs to send the identical state notification message of a plurality of contents to application server.
Fig. 4 is that three terminals reformulate the schematic flow sheet of readding in the prior art.The overtime of three state subscriptions (" subscribing to 1 ", " subscribing to 2 ", " subscribing to 3 ") may be also inequality, therefore three state subscriptions reformulate read also might and asynchronous, here more clear in order to explain, only showing once reformulating of each state subscription reads, as shown in Figure 4, its basic procedure is as follows:
Whether S401, application server monitor all subscription in real time overtime, and this moment, application server found that " subscribing to 1 " need reformulate and read;
S402, application server initiate the request of readding that reformulates of " subscribing to 1 " to S-CSCF;
S403, S-CSCF return the response that reformulates the request of readding of " subscribing to 1 ";
S404, application server find that " subscribing to 2 " need reformulate and read;
S405, application server is initiated the request of readding that reformulates of " subscribing to 2 " to S-CSCF, and " subscribing to 2 " request is similar with " subscribing to 1 " request content, and also to read request content similar with reformulating of " subscribing to 1 " in the request of readding that reformulates that should " subscribing to 2 " here;
S406, S-CSCF return the response that reformulates the request of readding of " subscribing to 2 ";
S407, application server find that " subscribing to 3 " need reformulate and read;
S408, application server is initiated the request of readding that reformulates of " subscribing to 3 " to S-CSCF, and to read request content similar for the reformulating of the request of readding, " subscription 2 " that reformulate that reformulates the request of readding and " subscribing to 1 " of " subscribing to 3 ";
S409, S-CSCF return the response that reformulates the request of readding of " subscribing to 3 ";
This shows, three of same PUI correspondence UE are in registration process among Fig. 2 to Fig. 4, S-CSCF and application server have all carried out identical operation: third-party registration, application server User Status are subscribed to, and its message is identical, has taken a large amount of Internet resources; Because same UE is repeated to subscribe to, so state variation takes place each UE, S-CSCF will produce several identical notification messages and issue application server; And the subscription refresh requests that the application server end is initiated also needs to send repeatedly.If the terminal quantity of a PUI correspondence is bigger, these terminals are simultaneously online, each terminal all will be carried out in official hour in the heavily registration of IMS network and the Status Change of other situation, for PUI, it will be very frequent changing, and each variation will produce a plurality of message informings, and because the notification message body is bigger, therefore waste a large amount of Internet resources.If can reduce ineffective occupation, then will be desirable undoubtedly to these resources.
Summary of the invention
Consider that information interaction is too loaded down with trivial details in registration process, SOT state of termination change notification flow process and the application server state subscription refresh flow of the multi-terminal user that exists in the correlation technique, thereby cause taking a large amount of Internet resources and the not high problem of treatment effeciency and propose the present invention.For this reason, the present invention aims to provide a kind of method for subscribing of the multi-terminal user based on IP Multimedia System.
Method for subscribing according to the multi-terminal user based on IP Multimedia System of the present invention, be used to comprise that application server, service call session control function entity are the network environment of S-CSCF, wherein, a plurality of terminals of multi-terminal user are shared a public user identity.
This method comprises following processing: application server processes is from the third-party registration request of the terminal of S-CSCF; Whether the public user identity of application server inquiry terminal correspondence has carried out state subscription; Do not carry out under the situation of state subscription at public user identity, application server is initiated the state subscription request to public user identity, has carried out under the situation of state subscription at public user identity, and application server is no longer initiated the state subscription request.
In addition, do not carry out under the situation of state subscription at public user identity, application server has carried out the information of state subscription at the local record public user identity after the state subscription success of initiating.Can be specially following operation: the state subscription sign of public user identity correspondence is set to effectively.
After said method may further include following operation: S-CSCF and receives the state subscription request, send to application server and to subscribe to success response.
In addition, said method may further include following processing: the terminal generating change of state of multi-terminal user or terminal have initiatively been initiated heavily registration; S-CSCF knows that the state of terminal changes; S-CSCF is to application server transmit status notice request; Application server is sent out ` to S-CSCF and is sent the state notifying response.
In addition, said method may further include following processing: whether application server is implemented all subscription of monitoring overtime, and monitor to reformulate and read; Application server sends the request of readding that reformulates to S-CSCF; S-CSCF sends to reformulate to application server and reads response.
By the present invention, can reduce effectively in the subscription procedure the taking of resource, particularly reduce the ineffective occupation of multiple identical subscription, thereby can raise the efficiency Internet resources, cut operating costs, improve network user's capacity.
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 network architecture schematic diagram according to multi-terminal user in the IMS system of correlation technique;
Fig. 2 is the registration of multi-terminal user in the IMS system, the schematic diagram of subscription flow process according to correlation technique;
Fig. 3 is the SOT state of termination change notification schematic flow sheet according to multi-terminal user in the IMS system of correlation technique;
Fig. 4 is the application server state subscription refresh flow schematic diagram according to multi-terminal user in the IMS system of correlation technique;
Fig. 5 is the flow chart based on the method for subscribing of the multi-terminal user of IP Multimedia System according to the embodiment of the invention;
Fig. 6 is the detailed process flow chart based on the specific implementation process of the method for subscribing of the multi-terminal user of IP Multimedia System according to the embodiment of the invention;
Fig. 7 is the schematic diagram of SOT state of termination change notification flow process in the method shown in Figure 5;
Fig. 8 is the schematic diagram of application server state subscription refresh flow in the method shown in Figure 5.
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.
According to the embodiment of the invention, provide a kind of method for subscribing of the multi-terminal user based on IP Multimedia System.This method can be used to comprise the network environment of application server (AS), service call session control function entity (S-CSCF), for example, and IMS system shown in Figure 1.In addition, as mentioned above, multi-terminal user refers to the user that a plurality of terminals are shared a public user identity (PUI).
As shown in Figure 5, the method for subscribing based on the multi-terminal user of IP Multimedia System according to the embodiment of the invention comprises following processing:
Step S502, AS handles the third-party registration request from the terminal of S-CSCF;
Step S504, whether the PUI of AS inquiry terminal correspondence has carried out state subscription (perhaps, whether the subscription status of the PUI of inquiry terminal correspondence is effective);
Step S506 does not carry out under the situation of state subscription at this PUI, and AS initiates the state subscription request to PUI, and has carried out under the situation of state subscription at PUI, and AS no longer initiates the state subscription request.
In addition, do not carry out under the situation of state subscription at PUI, AS has carried out the information of state subscription at local record PUI after the state subscription success of initiating.For example, the state subscription sign that AS can the PUI correspondence is set to effectively.
In step S506, S-CSCF can send to AS and subscribe to success response after receiving the state subscription request.
Below will by example the present invention be described further combined with accompanying drawing.Suppose that multiple users has three terminal UE 1, UE2, UE3.Then as shown in Figure 6, the method for subscribing based on the multi-terminal user of IP Multimedia System according to the embodiment of the invention can be specially following processing:
Step S601, user terminal UE1 be successfully registration on S-CSCF, binding contact address UE1@home.com, and finish User Status and subscribe to;
Step S602, S-CSCF initiate the third-party registration request to AS after the register requirement of the UE1 that successfully finishes dealing with, this third-party registration request can called after " third-party registration 1 ";
Step S603, AS receive " third-party registration 1 ", finish authentication, authentication after, send the response of succeeding in registration of third-party registration 1 to S-CSCF;
Step S604, AS inquire the UE1 correspondence in local data PUI does not have effective state subscription at this AS;
Step S605, AS initiates the state subscription request to the pairing PUI of UE1;
Step S606, S-CSCF receives the subscribe request of AS, sends to subscribe to success response;
Step S607, AS will be saved in this locality to the subscribe request information that this PUI carries out, and UE1 finished registration and AS and also finished state subscription to the pairing PUI of UE1 this moment;
Step S608, with the another one terminal UE 2 of the shared same PUI of user terminal UE1, also successfully registration on S-CSCF, binding contact address UE2@home.com, and finish User Status and subscribe to;
Step S609, S-CSCF initiate the third-party registration request to AS after the register requirement of the UE2 that successfully finishes dealing with, this third-party registration request can called after " third-party registration 2 ";
Step S610, AS receive " third-party registration 2 ", finish authentication, authentication after, send the third-party registration success response to S-CSCF;
Step S611, AS inquire the UE2 correspondence in local data PUI has effective state subscription at this AS, should this no longer carry out state subscription;
Step S612, user terminal UE3 also share same PUI with user terminal UE1, UE2, also successfully registration on S-CSCF, and binding contact address UE3@home.com, and finish User Status and subscribe to;
Step S613, S-CSCF initiate the third-party registration request to AS after the register requirement of the UE3 that successfully finishes dealing with, this third-party registration request can called after " third-party registration 3 ";
Step S614, AS receive " third-party registration 3 ", finish authentication, authentication after, send the third-party registration success response to S-CSCF;
Step S615, AS inquire the UE3 correspondence in local data PUI has effective state subscription at this AS, therefore no longer carries out state subscription.
For convenience of description, having omitted the User Status that AS initiates in back twice registration process in this example subscribes to, this be because, in the present realization technology, three next state subscribed contents are roughly the same, and carrying out the first time during state subscription, the both sides AS of subscription and S-CSCF have all known these contents.
In addition, as shown in Figure 7, when terminal generating change of state or terminal had initiatively been initiated heavily to register, said method may further include following processing:
Step S702, certain terminal generating change of state of multi-terminal user or terminal have initiatively been initiated heavily registration;
Step S704, S-CSCF know that the state of terminal changes; (if SOT state of termination is changed in the IMS core net network element and detects terminal and change, and then notifies big certain network element notice S-CSCF of process of S-CSCF, if terminal is initiatively initiated heavy register requirement, the process of then notifying S-CSCF is a registration process);
Step S706, S-CSCF is to AS transmit status notice (NOTIFY) request;
Step S708, AS is to S-CSCF transmit status push-notification-answer.
As can be seen from the above description, in the present invention, when certain terminal generating change of state or when heavily registering, S-CSCF only need send a state notification message to AS, and need to send three fully identical state notification message in the prior art, therefore the present invention can improve treatment effeciency undoubtedly, saves Internet resources.
As shown in Figure 8, when the AS state subscription refreshed, said method may further include following processing:
Whether step S802, AS implement all subscription of monitoring overtime, and monitor to reformulate and read;
Step S804, AS sends the request of readding that reformulates to S-CSCF;
Step S806, S-CSCF send to reformulate to AS and read response.
As can be seen from the above description, AS only need safeguard a state subscription to PUI, and a state subscription also only need once reformulate in a time out period and read, and has saved taking the CPU of AS, thereby can reduce the scale of AS local data, and alleviate network burden.
As mentioned above,, can reduce effectively in the subscription procedure, particularly reduce the ineffective occupation of multiple identical subscription, thereby can raise the efficiency, cut operating costs, improve network user's capacity Internet resources to the taking of resource by the present invention.
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 (6)
1. method for subscribing based on the multi-terminal user of IP Multimedia System, be used to comprise that application server, service call session control function entity are the network environment of S-CSCF, a plurality of terminals of described multi-terminal user are shared a public user identity, it is characterized in that described method comprises:
Application server processes is from the third-party registration request of S-CSCF;
Whether the public user identity that described application server is inquired about described terminal correspondence has carried out state subscription;
Do not carry out under the situation of state subscription at described public user identity, described application server is initiated the state subscription request to described public user identity, carried out under the situation of state subscription at described public user identity, described application server is no longer initiated the state subscription request.
2. method according to claim 1, it is characterized in that, further comprise: do not carry out under the situation of state subscription at described public user identity, described application server has carried out the information of state subscription at the described public user identity of local record after the state subscription success of initiating.
3. method according to claim 2 is characterized in that, is specially:
The state subscription sign of described public user identity correspondence is set to effectively.
4. method according to claim 1 is characterized in that, further comprises:
After described S-CSCF receives described state subscription request, send the subscription success response to described application server.
5. according to each described method in the claim 1 to 4, it is characterized in that, further comprise:
The terminal generating change of state of described multi-terminal user or terminal have initiatively been initiated heavily registration;
Described S-CSCF knows that the state of described terminal changes;
Described S-CSCF is to described application server transmit status notice request;
Described application server is to described S-CSCF transmit status push-notification-answer.
6. according to each described method in the claim 1 to 4, it is characterized in that, further comprise:
Whether described application server is implemented all subscription of monitoring overtime, and monitor to reformulate and read;
Described application server sends the request of readding that reformulates to described S-CSCF;
Described S-CSCF sends to reformulate to described application server and reads response.
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| WO2010145623A1 (en) * | 2009-10-29 | 2010-12-23 | 中兴通讯股份有限公司 | Method and system for subscription service in ip multimedia subsystem network |
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| CN102752335A (en) * | 2011-04-22 | 2012-10-24 | 中兴通讯股份有限公司 | Method and system for subscribing for overload information of nodes in peer-to-peer overlay network |
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| CN105657638A (en) * | 2014-11-28 | 2016-06-08 | 三星电子株式会社 | Method and device for function sharing between electronic devices |
| WO2019144786A1 (en) * | 2018-01-26 | 2019-08-01 | 华为技术有限公司 | Wireless information subscription method, related devices and system |
| CN110087227A (en) * | 2019-04-26 | 2019-08-02 | 中湾慧科(深圳)科技有限公司 | A kind of system and method for the distributed presentation business based on IMS architecture |
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| GB0213726D0 (en) * | 2002-06-14 | 2002-07-24 | Nokia Corp | A communication system |
| CN100403847C (en) * | 2005-06-22 | 2008-07-16 | 华为技术有限公司 | Mobility event packet subscribing method and multi-connection state reporting method |
| CN100583894C (en) * | 2006-12-28 | 2010-01-20 | 华为技术有限公司 | User registration method, system, application server and network device |
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