CN101175084B - Public subscriber identification designation display implementing method based on subscription informing mechanism - Google Patents
Public subscriber identification designation display implementing method based on subscription informing mechanism Download PDFInfo
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- CN101175084B CN101175084B CN2007101631383A CN200710163138A CN101175084B CN 101175084 B CN101175084 B CN 101175084B CN 2007101631383 A CN2007101631383 A CN 2007101631383A CN 200710163138 A CN200710163138 A CN 200710163138A CN 101175084 B CN101175084 B CN 101175084B
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Abstract
The invention discloses a realization method of a Public User Identity (PUI) Display Name based on notification/subscription mechanism, which comprises: UE and P-CSCF establishing subscription relationships respectively on S-CSCF; when receiving the Display Name change notice sent by HSS, the S-CSCF utilizing the notification/subscription mechanism to respectively informs the Display Name change notice to the UE and P-CSCF through subscription notice message. The invention overcomes the real-time synchronization problem of the PUI of the Display Name change in the prior IP multimedia subsystem between S-CSCF, P-CSCF and the UE, thus avoiding the possibility of wrong carried Display Name information during calling process and improving the quality of business experience of users.
Description
Technical field
The present invention relates to the communications field, and particularly, (it is particularly useful for IP Multimedia System for Public User Identity, PUI) display Name (DisplayName) implementation method to relate to a kind of public subscriber identification based on subscription informing mechanism.
Background technology
IP Multimedia System (IP Multimedia Subsystem, be called for short IMS) be third generation affiliate tissue (3rd Generation Partnership Project, abbreviation 3GPP) standard of the next generation network of definition, its outstanding feature is to have adopted session initiation protocol (Session Initial Protocol, be called for short SIP) system, communication is irrelevant with access, can possess multiple media business controlled function separates with bearing capacity, call out and service detach, application separates with service, business and network detach, and multiple abilities such as mobile network and internet integrated services.
Major function entity in the IMS system comprises: call conversation control entity (the Call Session ControlFunction that functions such as user's registration management, session control, user's access 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.
Wherein call conversation control entity CSCF further comprises again:
Proxy CSCF (Proxy Call Session Control Function is called for short P-CSCF) is first contact point of user in the IMS system, carries out Proxy Call Session Control Function;
Inquiry CSCF (Interrogating Call Session Control Function is called for short I-CSCF) carries out the query call conversation control function;
Serving CSCF (Serving Call Session Control Function is called for short S-CSCF) is carried out service call conversation control function;
In IMS, can specify display Name (Display Name) for the user, be used for user's calling procedure.Display Name information can be department/post/position information of user, or user's pet name information.Operator can be according to the heterogeneity of display Name information in the process of reality operation, allows or does not allow user's modification.
Display Name information is that user's public subscriber identification (Public User Identity is called for short PUI) is specified display Name in HSS by the signatory decision of user, preserves as this user's static signing information.If this user has a plurality of different PUI simultaneously, then can specify different display Names at each PUI.
According to correlation technique, display Name information is downloaded from HSS by S-CSCF in user registration course, and returns to UE and P-CSCF in response.Subsequent user is when carrying out the irrelevant business of session or session, and the P-CSCF by the calling and called side is inserted into the display Name of preserving in the registration process in the Subscriber Number respectively.
When the user had the another name public user identity, the display Name that will be called the public user identity correspondence by S-CSCF was inserted in the another name public user identity.
Behind the display Name information-change of preserving among the HSS, HSS can give S-CSCF with the proactive notification of display Name modification information, and perhaps S-CSCF also can initiatively obtain this modification information from HSS.
Concrete related procedure is shown in Fig. 1 to Fig. 3.
Fig. 1 is the user's register flow path (annotating: for the purpose of simplifying the description, omitted among the figure and irrelevant network element and the flow process of display Name function) in the correlation technique:
S101, UE sends register requirement to P-CSCF;
S102, P-CSCF are forwarded to register requirement the I-CSCF of user's home network access point;
S103, I-CSCF sends a request message to HSS, and request distributes S-CSCF;
S104, HSS return the ability of the S-CSCF or the S-CSCF of distribution to I-CSCF;
S105, I-CSCF sends to selected S-CSCF with login request message;
S106, S-CSCF sends the request of user's configuration data to HSS;
S107, HSS stores S-CSCF information, and user's CAMEL-Subscription-Information is returned S-CSCF, comprises the display Name information of these all PUI of user in the CAMEL-Subscription-Information;
S108, S-CSCF return registration response (the PUI display Name information that comprises this user in the registration response);
S109, I-CSCF returns registration response (the PUI display Name information that comprises this user in the registration response) to P-CSCF;
S110, the local PUI display Name information of preserving this user of P-CSCF;
S111, P-CSCF returns registration response (the PUI display Name information that comprises this user in the registration response) to UE.
Fig. 2 exhales (caller) session flow process (annotating: for the purpose of simplifying the description, be example with the INVITE among the figure, and omitted and network element and flow process that the display Name function is irrelevant) for rising in the correlation technique:
S201, UE initiates the INVITE request to P-CSCF;
S202, P-CSCF confirm calling subscriber's trusted PUI, and insert the P-Asserted-Identity header field in request, the pairing display Name information of this PUI that obtains when wherein comprising user's trusted PUI and initial registration;
S203, P-CSCF sends the INVITE request to the S-CSCF of caller ownership;
S204, if also there is another name in the calling subscriber, then S-CSCF inserts new P-Asserted-Identity header field again in request, wherein comprises calling subscriber's another name (PUI) and the corresponding display Name of another name; The another name here is meant the professional identical another one public user identity (as user's telephone number) with this user's trusted PUI;
S205, S-CSCF sends the INVITE request to called network;
S206, called network return 180 Ringing Temporary Responses such as (rings);
S207, S-CSCF returns 180 Ringing Temporary Responses such as (rings) to P-CSCF;
S208, P-CSCF returns 180 Ringing Temporary Responses such as (rings) to UE;
S209, called subscriber's off-hook, called network return 200 OK and finally respond;
S210, S-CSCF returns 200 OK to P-CSCF and finally responds;
S211, P-CSCF returns 200 OK to UE and finally responds;
S212, UE sends the ACK session to P-CSCF and sets up acknowledge message;
S213, P-CSCF sends the ACK session to S-CSCF and sets up acknowledge message;
S214, S-CSCF sends the ACK session to called network and sets up acknowledge message.
Fig. 3 is for exhaling (called) session flow process (annotating: for the purpose of simplifying the description, be example with the INVITE among the figure, and omitted and network element and flow process that the display Name function is irrelevant) end in the correlation technique:
S301 rises and exhales network to send the INVITE request to called ownership S-CSCF;
S302, S-CSCF sends the INVITE request to P-CSCF;
S303, P-CSCF sends the INVITE request to UE;
S304, UE return 180 Ringing Temporary Responses such as (rings);
S305, P-CSCF confirm called subscriber's trusted PUI, and insert the P-Asserted-Identity header field in Temporary Response, wherein comprise this called subscriber's trusted PUI and the display Name information of this PUI of obtaining when initial registration;
S306, P-CSCF returns 180 Ringing Temporary Responses such as (rings) to S-CSCF;
S307, if also there is another name in the called subscriber, then S-CSCF inserts new P-Asserted-Identity header field again in response.The another name (PUI) and the corresponding display Name of another name that wherein comprise the called subscriber;
S308, S-CSCF exhales network to return 180 Ringing Temporary Responses such as (rings) to rising;
S309, UE return 200 OK and finally respond;
S310, P-CSCF confirm called subscriber's trusted PUI, and insert the P-Asserted-Identity header field in Temporary Response, wherein comprise this called subscriber's trusted PUI, and the display Name information of this PUI that obtains when initial registration;
S311, P-CSCF returns 200 OK to S-CSCF and finally responds;
S312, if there is another name in the called subscriber, then S-CSCF inserts new P-Asserted-Identity header field again in response, wherein comprises called subscriber's another name (PUI) and the corresponding display Name of another name;
S313, S-CSCF exhales network to return 200 OK finally to respond to rising;
S314 rises and exhales network to set up acknowledge message to called ownership S-CSCF transmission ACK session;
S315, S-CSCF sends the ACK session to P-CSCF and sets up acknowledge message;
S316, P-CSCF sends the ACK session to UE and sets up acknowledge message.
From said process as can be seen, in present technology, be responsible for confirming trusted PUI and the corresponding display Name of caller and called users by P-CSCF at network side, and the display Name in the calling and called trusted that S-CSCF no longer carries the P-CSCF sign is checked and is handled, if when there is other another names PUI in user's trusted PUI, be responsible for calling the processing of corresponding display Name by S-CSCF.
According to existing IMS agreement, after HSS changes the display Name information of PUI and is notified to S-CSCF, S-CSCF can pass through network side re-authentication informing mechanism, shorten the registration refresh time of UE, make UE initiate to re-register, make P-CSCF and UE learn display Name information after changing by the follow-up successful registration of this user (initial registration, registration refresh, nullify), but, therefore make S-CSCF the display Name modification information can't be fed back to P-CSCF and UE in real time because the time interval of this user's subsequent registration operation may be longer.
In this case, behind the display Name information-change of the PUI that in S-CSCF, preserves, if P-CSCF also is not able to do in time by user registration (initial registration, refresh registration) this display Name information synchronously, then the display Name information of carrying in Client-initiated session this moment (or standalone transaction) will with this user's signatory display Name information inconsistency.For this problem, also there is not effective solution route at present.
Summary of the invention
Consider the problem that exists in the correlation technique and propose the present invention, for this reason, the present invention aims to provide a kind of PUI display Name implementation method based on subscription informing mechanism, to overcome the problem of the display Name information inconsistency that may exist in the existing PUI display Name implementation procedure.
Public subscriber identification designation display implementation method based on subscription informing mechanism according to the present invention is used for IP Multimedia System, this IP Multimedia System comprises subscriber equipment, agent call conversation control entity (P-CSCF), service call conversation control entity (S-CSCF), home subscriber server, and this method comprises: subscriber equipment and P-CSCF create subscribing relationship respectively on S-CSCF; After S-CSCF receives the display Name Notification of Changes that home subscriber server sends, utilize subscription informing mechanism, by subscribing notification message respectively with display Name modification information notifying user equipment and P-CSCF.
In said method, subscriber equipment and P-CSCF create subscribing relationship respectively on S-CSCF processing is specially: subscriber equipment and P-CSCF send the subscribing relationship request to create to S-CSCF respectively, S-CSCF accepts subscription, returns the establishment success response to subscriber equipment and P-CSCF respectively.
Wherein, the S-CSCF display Name information that can in creating success response, carry the corresponding public subscriber identification of current preservation.
After subscriber equipment receives subscribing notification message, upgrade the display Name information of the local corresponding public subscriber identification of preserving; Equally, after P-CSCF receives subscribing notification message, upgrade the display Name information of the local corresponding public subscriber identification of preserving.
The subscription informing mechanism that relates in the said method can be the subscription informing mechanism of session initiation protocol.In this case, subscribing notification message is subscribed to the incident bag for the registration of expansion, and it can carry display Name information.
Compare with correlation technique, by the present invention, solved the real-time stationary problem of display Name (Display Name) change between S-CSCF and P-CSCF and UE of public subscriber identification in the existing IP Multimedia System, avoid in the calling procedure Display Name information to carry wrong possibility, improved customer service experience.
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 user's register flow path according to correlation technique;
Fig. 2 is for exhaling (caller) session flow process according to rising of correlation technique;
Fig. 3 is for exhaling (called) session flow process eventually according to correlation technique;
Fig. 4 is the flow chart based on the PUI display Name implementation method of subscription informing mechanism according to the inventive method embodiment;
Fig. 5 shows the detailed subscribing notification flow process of method shown in Figure 4.
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 PUI display Name (Display Name) implementation method based on subscription informing mechanism.
This method according to the embodiment of the invention can be used for IP Multimedia System.For example, be used to realize that IP Multimedia System of the present invention can comprise subscriber equipment (UE), agent call conversation control entity (P-CSCF), service call conversation control entity (S-CSCF), home subscriber server (HSS).
As shown in Figure 4, this method can comprise following processing:
Step S402, UE and P-CSCF create subscribing relationship respectively on S-CSCF;
Step S404, after S-CSCF received the Display Name Notification of Changes that HSS sends, it utilized subscription informing mechanism, by subscribing notification message respectively with DisplayName modification information notice UE and P-CSCF.
Step S402 can be specially: UE and P-CSCF send the subscribing relationship request to create to S-CSCF respectively; S-CSCF accepts subscription, returns establishment success response (this process will be described in detail with reference to Fig. 5 hereinafter) to UE and P-CSCF respectively.
Wherein, the S-CSCF Display Name information that can in creating success response, carry the corresponding PUI of current preservation.
After UE receives subscribing notification message, upgrade the Display Name information of the local corresponding PUI that preserves; Equally, after P-CSCF receives subscribing notification message, upgrade the Display Name information of the local corresponding PUI that preserves.
The subscription informing mechanism that relates among the present invention, can adopt the subscription informing mechanism of SIP (session initiation protocol), referring to RFC 3265 " Session Initiation Protocol (SIP)-Specific Event Notification ", also can adopt the subscription informing mechanism of other modes.If adopt the subscription informing mechanism (RFC 3265) of SIP, can utilize existing registration to subscribe to incident bag (referring to RFC3680 " A Session Initiation Protocol (SIP) Event Package for Registrations "), and expand, with in notification message, carry Display Name information (such as, can increase the attribute of expression Display Name information to " registration " element among the Event PackageXML Schema of definition among the RFC 3680; Perhaps utilize other extension mechanism that RFC 3265 is expanded; Perhaps or utilize other to subscribe to the incident bag, perhaps newly-increased subscription incident bag makes notification message can carry Display Name information by similar definition.
If " registration " element among the Event Package XML Schema that defines among the RFC3680 is expanded, example is as follows:
<xs:element?name＝″registration″>
<xs:complexType>
<xs:sequence>
<xs:element ref＝″tns:contact″ minOccurs＝″0″
maxOccurs＝″unbounded″/>
<xs:any?namespace＝″##other″processContents＝″lax″minOccurs＝″0″
maxOccurs＝″unbounded″/>
</xs:sequence>
<xs:attribute?name＝″aor″type＝″xs:anyURI″use＝″required″/>
<xs:attribute?name＝″id″type＝″xs:string″use＝″required″/>
<xs:attribute?name＝″state″use＝″required″>
<xs:simpleType>
<xs:restriction?base＝″xs:string″>
<xs:enumeration?value＝″init″/>
<xs:enumeration?value＝″active″/>
<xs:enumeration?value＝″terminated″/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
</xs:complexType>
</xs:element>
Definition after the expansion:
<xs:element?name＝″registration″>
<xs:complexType>
<xs:sequence>
<xs:element ref＝″tns:contact″ minOccurs＝″0″
maxOccurs＝″unbounded″/>
<xs:any?namespace＝″##other″processContents＝″lax″minOccurs＝″0″
maxOccurs＝″unbounded″/>
</xs:sequence>
<xs:attribute?name＝″aor″type＝″xs:anyURI″use＝″required″/>
<xs:attribute?name＝″display-name″use＝″optional″>
<xs:complexType>
<xs:simpleContent>
<xs:extension?base＝″xs:string″>
<xs:attribute?ref＝″xml:lang″use＝″optional″/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:attribute>
<xs:attribute?name＝″id″type＝″xs:string″use＝″required″/>
<xs:attribute?name＝″state″use＝″required″>
<xs:simpleType>
<xs:restriction?base＝″xs:string″>
<xs:enumeration?value＝″init″/>
<xs:enumeration?value＝″active″/>
<xs:enumeration?value＝″terminated″/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
</xs:complexType>
</xs:element>
Below, will be that example further describes the embodiment of the invention with the sip subscribe informing mechanism of registration subscription incident bag.
As shown in Figure 5, the processing of step S402 among Fig. 4 can be specially step S501-S505 (UE creates the process of subscribing relationship) and step S506-S510 (S-CSCF creates the process of subscribing relationship), need to prove, there is not the requirement of sequencing for the processing of UE, S-CSCF establishment subscribing relationship, that is, without limits for the sequencing of step S501-S505 and step S506-S510.Detailed process is as follows:
S501 after UE succeeds in registration, sends registration to S-CSCF and subscribes to event packet subscribing notice request (that is, above-mentioned conclude a bargin concern request to create);
S502, S-CSCF accepts subscription, creates subscribing relationship, and returns success response;
S503, S-CSCF sends a notification message to UE, notifies user's log-on message, wherein comprises the PUI and the corresponding D isplay Name of registration;
S504, UE preserves user's log-on message, comprises the PUI corresponding D isplay Name with registration;
S505, UE returns the notice success response to S-CSCF.
S506, P-CSCF send registration to S-CSCF and subscribe to event packet subscribing notice request (that is, above-mentioned conclude a bargin concern request to create) after UE succeeds in registration;
S507, S-CSCF accepts subscription, creates subscribing relationship, and returns success response;
S508, S-CSCF sends a notification message to P-CSCF, notifies user's log-on message, wherein comprises the PUI and the corresponding D isplay Name of registration;
S509, P-CSCF preserves user's log-on message, comprises the PUI corresponding D isplay Name with registration;
S510, P-CSCF returns the notice success response to S-CSCF.
Step S404 shown in Fig. 4 can be specially the step S511-S517 among Fig. 5, similarly, is not particularly limited for the execution sequence of step S512-S514 and step S515-S517.As shown in Figure 5, specific descriptions are as follows:
S511, when the user's configuration data among the HSS changes, notice S-CSCF, S-CSCF detects the changing of Display Name of PUI;
S512, S-CSCF sends subscribing notification message to P-CSCF, carries the modification information of Display Name of this user's PUI in the subscribing notification message;
S513, P-CSCF upgrade local Display Name information of preserving, and are used for follow-up this user's calling procedure;
S514, P-CSCF returns the notice success response to S-CSCF;
S515, S-CSCF sends subscribing notification message to UE, carries the modification information of Display Name of this user's PUI in the subscribing notification message;
S516, UE upgrade local Display Name information of preserving;
S517, UE returns the notice success response to S-CSCF.
In sum, pass through the embodiment of the invention, adopt subscription informing mechanism to notify user Display the change of Name to P-CSCF and UE by S-CSCF, overcome the real-time stationary problem of Display Name change between S-CSCF and P-CSCF, UE of PUI in the IP Multimedia System, avoid occurring in the calling procedure Display Name information and carried wrong situation, guarantee the consistency of user Display Name data, had favorable compatibility simultaneously.
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 (7)
1. public subscriber identification designation display implementation method based on subscription informing mechanism, be used for IP Multimedia System, this IP Multimedia System comprises that subscriber equipment, agent call conversation control entity are that P-CSCF, service call conversation control entity are S-CSCF, home subscriber server, it is characterized in that described method comprises:
Subscriber equipment and P-CSCF create subscribing relationship respectively on S-CSCF;
Receive the display Name Notification of Changes of home subscriber server transmission as described S-CSCF after, it utilizes subscription informing mechanism, respectively the display Name modification information is notified described subscriber equipment and described P-CSCF by subscribing notification message.
2. method according to claim 1 is characterized in that, described family equipment and P-CSCF create subscribing relationship respectively on S-CSCF processing is specially:
Described subscriber equipment and described P-CSCF send the subscribing relationship request to create to described S-CSCF respectively,
Described S-CSCF accepts subscription, returns the establishment success response to described subscriber equipment and described P-CSCF respectively.
3. method according to claim 2 is characterized in that, described S-CSCF carries the corresponding public subscriber identification of current preservation in creating success response display Name information.
4. method according to claim 3 is characterized in that, after described subscriber equipment receives described subscribing notification message, upgrades the display Name information of the local corresponding public subscriber identification of preserving.
5. method according to claim 3 is characterized in that, after described P-CSCF receives described subscribing notification message, upgrades the display Name information of the local corresponding public subscriber identification of preserving.
6. according to each described method in the claim 1 to 5, it is characterized in that described subscription informing mechanism is the subscription informing mechanism of session initiation protocol.
7. method according to claim 6 is characterized in that, described subscribing notification message is that the incident bag is subscribed in the registration that can carry the expansion of display Name information.
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| WO2006016846A1 (en) * | 2004-08-11 | 2006-02-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Provision of public service identities |
| CN101001247A (en) * | 2006-01-10 | 2007-07-18 | 华为技术有限公司 | Method for sensing public user mark under service configuration in communication system |
| CN101018353A (en) * | 2006-02-10 | 2007-08-15 | 朗迅科技公司 | Service data configuration based on the mobile unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006016846A1 (en) * | 2004-08-11 | 2006-02-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Provision of public service identities |
| CN101001247A (en) * | 2006-01-10 | 2007-07-18 | 华为技术有限公司 | Method for sensing public user mark under service configuration in communication system |
| CN101018353A (en) * | 2006-02-10 | 2007-08-15 | 朗迅科技公司 | Service data configuration based on the mobile unit |
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| 3GPP.Digital cellular telecommunications system(phase 2+) * |
| IP Multimedia(IM) Subsystem Cx and Dx Interfaces * |
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| Universal Mobile Telecommunications system(UMTS) * |
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