CN101184260A - Method to implement calling name display in the next generation network - Google Patents
Method to implement calling name display in the next generation network Download PDFInfo
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Abstract
The invention relates to a method for realizing the display of the calling name in the next generation network, comprising two phases of subscriber registration and business launch; wherein, the process of subscriber registration comprises that twice registrations are launched to a corresponding service-call session control function (S-CSCF) by a terminal through the proxy-call session control function (P-CSCF), the inquiry-call session control function (I-CSCF) and a home subscriber server (HSS); P-CSCF stores the name information of the subscriber after a successful registration. A calling terminal which has finished registration sends the business requirements to a called terminal which has finished registration additionally, comprising that the information about the calling name is transmitted between a core network and the terminal by means of the head of SIP; combined with the security design, the business of the calling name display can be realized. The invention has the advantage that the dialed line can identify the call subscriber of the business call rapidly.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method that calling name shows that in next generation network (NGN), realizes.
Background technology
Calling name display business (Originating Name Presentation) is by the name information of caller is provided to the called subscriber, makes calledly can identify the calling subscriber.The advantage of this business is: terminal called does not need to store the number of caller and the corresponding relation of title in advance in this locality, and only needs extract from the service request of receiving the name information of caller, directly presents to the called subscriber and gets final product.
For example, in actual applications, the user is to operator's application number the time, and this user's title need be registered in the operation commercial city.After enabling the calling name display business, when user applies also need not inform other people in advance during new number because when other people receives this new digit to the service request of its transmission, just can directly know the name information of caller.
And for example, in enterprises communication, called hope can be understood calling party's information fast when receiving service request, for example: department, section office etc.A kind of feasible method is to leave enterprise address book in this locality, knows calling party's information by the number of matches caller side.This mode need carry out regularly upgrading numerous and diverse operations such as enterprise address book, and has caused the waste of local resource.Use the calling name display business just can address this problem preferably.With the part of information such as the department of caller, section office as calling name, when sending service request, carry the information such as department, section office of this caller, the called subscriber only needs to extract the name information of caller from service request, just can understand calling party's information easily.
Be in the next generation network of core with IP Multimedia System (IMS), adopt initial session protocol (SIP) as professional control protocol, every communication service can be finished by being cooperated by the application server (AS) of operator's setting in user's intelligent terminal and the network.
Fig. 1 is a kind of typical business realizing framework in the next generation network.Wherein, application server (AS) (may exist a plurality of, be respectively applied for the different business that realizes) link to each other with the service-call session control function (S-CSCF) of user attaching network by interface, this S-CSCF links to each other with home subscriber server (HSS) by interface, the professional control messages of SIP between user terminal A and the user terminal B (with dashed lines sign) can be flowed through Proxy-Call Session Control Function (P-CSCF) in the visited network separately and the S-CSCF in the home network and AS (according to the kind of customer service, may pass through different AS), AS can be by the business of various processing to realize enriching to professional control messages.User terminal A and user terminal B utilize the service message exchange and consult the media parameter that both sides supported, between is set up Media Stream and connected (using solid line), and Media Stream is used for transmitting data such as conversation voice packets.
In next generation network, redefined a cover user identification system, specifically comprised:
Public user identity: Public User Identity (PUI), used sign when being used to ask user and other telex network.In next generation network, this sign also is used to determine the path of SIP signaling.The form of a public user identity can be a SIP URI (universal resource identifier) (RFC 3261 is seen in concrete definition), also can be TEL URI (RFC 3966 is seen in concrete definition);
Private user identity: Private User Identity (PVI) is used for network this user is authenticated and discerns, and is not used in the path of decision SIP signaling.Private user identity adopts network access Identifier NAI (specifically defining referring to RFC 2486).
Simultaneously, for the credibility that guarantees that public user identity transmits in network, defined a new SIP head P-Asserted-Identity in RFC 3325, this head comprises a URI and an optional display-name (display Name), for example:
P-Asserted-Identity:″tom″<sip:tom@zte.com.cn>
This head will be inserted into through the public user identity of authentication in the request or response of terminal by the log-on message of network side according to terminal, thereby guarantee the legitimacy of user ID.
In the user identity identification system of above-mentioned next generation network, still there is not standard declaration how to realize the calling name display business.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method that calling name shows that realizes in next generation network, realize the service feature that calling name shows in the next generation network to be implemented in, and can satisfy various application (for example: audio call, data application, instant messaging etc.) in the next generation network, make the user in next generation network, can enjoy the convenience that this business is brought.
The technical solution used in the present invention is:
A kind of method that realizes the calling name demonstration in next generation network comprises that the user registers and professional the initiation two stages, and wherein, user registration course may further comprise the steps:
A, terminal initiate to comprise the register requirement of public user identity of described terminal to the service-call session control function S-CSCF of correspondence by Proxy-Call Session Control Function P-CSCF, inquiry-CSCF I-CSCF and home subscriber server HSS after, receive described S-CSCF and return the unauthorized response to it, wherein comprise described S-CSCF by carrying out the Ciphering Key that the mutual back of multimedia authentication obtains with described HSS by described I-CSCF and P-CSCF;
B, described terminal generate corresponding authentication information according to described Ciphering Key, initiate registration according to step a to described S-CSCF again, comprise described authentication information in the registration message;
C, described S-CSCF after affirmation user's identity is legal, download with described public user identity corresponding archive information from described HSS according to described authentication information, wherein comprise the name information of described public user identity correspondence; Return the response of succeeding in registration by described I-CSCF to described P-CSCF then, wherein comprise described name information;
After d, described P-CSCF preserve described name information, the described response of succeeding in registration is transmitted to described terminal, finishes registration;
A user who finishes registration is a calling terminal, is that terminal called is initiated service request to other one user who finishes registration, may further comprise the steps:
A, described caller P-CSCF are after the service request that receives described calling terminal transmission, and insertion one comprises the initial session protocol head of described caller name information in this request, also this request is transmitted to originating S-CSCF then;
B, described S-CSCF are triggered to corresponding calling subscriber's server A S according to the triggering rule in described calling subscriber's archive information with described service request, judge the described calling subscriber restriction title display business of whether having contracted by described caller AS; If, the indication of then in described service request, inserting a restriction display of calling name information; Otherwise do not insert; After complete, described service request is sent to terminating S-CSCF by described originating S-CSCF;
C, described terminating S-CSCF are triggered to corresponding called AS according to the triggering rule in called subscriber's archive information with described service request, judge the described called subscriber restriction title display business of whether having contracted by described called AS; If, the indication of then in described service request, inserting a restriction display of calling name information; Otherwise do not insert; After complete, described service request is transmitted to called P-CSCF by terminating S-CSCF;
D, called P-CSCF then will be transmitted to described terminal called after the deletion of the name information in the described service request as comprising the indication of restriction display of calling name information in the service request as described in judging; Otherwise, directly described service request is transmitted to described terminal called;
If comprise described name information in the service request that E receives, then described terminal called takes out described name information from described SIP head, present to the called subscriber; Otherwise, display Name information not.
Further, also comprise among the step c: the public user identity of described S-CSCF and the public user identity of described terminal are bound and its corresponding relation is kept on the described HSS, other CSCF, as I-CSCF, just or AS by can know the related originating S-CSCF with the public user identity of described terminal to described HSS inquiry.
Further, described login request message and business request information adopt initial session protocol.
The method that the present invention proposes has solved the problem that how to realize the calling name display business in the next generation network that with IMS is core, makes the user still can use existing service feature in the legacy network in next generation network.By method provided by the invention, the calling subscriber in called subscriber's identification services calling fast; And in enterprise used, enterprise can place information such as the department at user place, section office in the user's name, had effectively solved carrying of work position information.In a word, the method that proposes among the present invention provides a business to carry out platform for other application of next generation network.
Description of drawings
Fig. 1 is that a kind of typical services of next generation network in the prior art realizes framework;
Fig. 2 is a register method and the flow chart of initiating the service request method in the embodiment of the invention;
Fig. 3 is in the embodiment of the invention during user A calling party B, realizes the flow chart that calling subscriber's title shows.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
The present invention is by preserving the corresponding relation of public user identity (PUI) and caller name information in home subscriber server (HSS), use the display name part in the P-Asserted-Identity field between core net and terminal, to transmit caller name information, and, the calling name display business is achieved in conjunction with the confidentiality setting of AS.
The key network element that the method that the present invention adopts relates to as shown in Figure 2, specifically comprises:
S101: service request initiator, the caller in the service request just can link to each other with core net by various access waies; It carries out Signalling exchange by Session Initiation Protocol and core net, realization and other IMSUE (subscriber equipment) or other network terminal are (for example, the terminal of PLMN (public land mobile network)/PSTN (PSTN) network) communication, in addition, by mutual, can realize corresponding business with AS;
S102: service request termination side, just called in the service request can link by various access waies and core net; It carries out Signalling exchange by Session Initiation Protocol and core net, and (for example, the terminal of PLMN/PSTN network) communication in addition, by mutual with AS, can realize corresponding business for realization and other IMSUE or other network terminal.In the present invention, it is responsible for the name information of display of calling;
S103: caller P-CSCF, be responsible for the access of caller, it can be transmitted to S-CSCF with SIP request and the response of IMS UE, also SIP request and response can be transmitted to IMS UE; In the present invention, be responsible for calling subscriber's name information is deposited in the P-Asserted-Identity field;
S104: originating S-CSCF, serve as the greffier (registar) of calling terminal, it authenticates by IMS Authentication and Key Agreement mechanism, realizes the mutual authentication between IMS UE and home network; It also is used to carry out session control, selects suitable routing forwarding request and response.On the other hand, according to user's CAMEL-Subscription-Information, call request triggers is arrived caller AS S105;
S105: caller AS is the supplier of calling service, and its use Session Initiation Protocol and IMS user terminal are mutual, for the user provides various application, in the present invention, according to user's signatory situation, is responsible for the indication that the restriction of originating calls title shows is inserted in the SIP request;
S106: terminating S-CSCF, serve as the greffier (register) of terminal called, authenticate by IMS Authentication and Key Agreement mechanism, realize the mutual authentication between terminal called and home network; Carry out session control, select suitable routing forwarding request and response.On the other hand, according to user's CAMEL-Subscription-Information, call request triggers is arrived called AS S107;
S107: called AS is the supplier of called service, uses Session Initiation Protocol and IMS user terminal mutual, for the user provides various application.In the present invention, according to user's signatory situation, be responsible for the indication that the restriction of originating calls title shows is inserted in the SIP request;
S108: called P-CSCF, be responsible for called access, the SIP request and the response of terminal called is transmitted to S-CSCF, also SIP request and response are transmitted to terminal called; Be responsible for providing SIP signaling integrity protection, keep the Security Association between terminal and the P-CSCF, and the sip message that comes self terminal is decompressed and compresses.In the present invention, whether called Proxy Call Session Control Function basis allows the indication of display of calling title, is responsible for calling name is hidden operation.
S109: home subscriber server (HSS) is the central database that is used to store user, service related data in the next generation network, mainly comprise: IMS user ID, number and address information, IMS user security information (authentication of user network access control and authorization message), IMS user are in the intrasystem positional information of IMS, IMS user's signing service information etc., and HSS is by these Data Control Multimedia session.In the present invention, be responsible for preserving the corresponding relation between user's name information and the public user identity (PUI), and user's name information passed to S-CSCF by interface.
S110: inquiry-CSCF (I-CSCF), be responsible for a user who initiates the SIP register requirement and distribute a S-CSCF, will be routed to S-CSCF from the SIP request of other network.
The concrete enforcement of calling identification sign display packing provided by the invention is divided into two stages, and user's registration and user initiate service request.
Stage one: user's registration, finish from HSS and download name information to P-CSCF.Concrete steps are as shown in Figure 2:
The Q101:IMS terminal sends the SIP register requirement to P-CSCF, comprising the public user identity of preparing registration;
Q102:P-CSCF transmits the SIP register requirement and gives I-CSCF;
It is mutual that Q103:I-CSCF and HSS carry out subscriber authorisation, determines the S-CSCF of this public user identity correspondence;
Q104:I-CSCF transmits the SIP register requirement and gives above-mentioned S-CSCF;
It is mutual that Q105:S-CSCF and HSS carry out multimedia authentication, obtains Ciphering Key from HSS;
Q106:S-CSCF returns 401 Unauthorized (unauthorized) response to I-CSCF, wherein comprises corresponding Ciphering Key, requires the IMS terminal to initiate registration again according to Ciphering Key;
Q107:I-CSCF is transmitted to P-CSCF with 401 Unauthorized response;
Q108:P-CSCF is transmitted to the IMS terminal with 401 Unauthorized response;
The Q109:IMS terminal generates corresponding authentication information according to the Ciphering Key in 401 responses, sends the SIP register requirement to P-CSCF again, comprises above-mentioned authentication information in this request;
Q110:P-CSCF transmits the SIP register requirement and gives I-CSCF;
It is mutual that Q111:I-CSCF and HSS carry out subscriber authorisation, need to determine the S-CSCF of this public user identity correspondence;
Q112:I-CSCF transmits the SIP register requirement and gives above-mentioned S-CSCF;
Q113:S-CSCF is according to the authentication information in the SIP register requirement, after affirmation user's identity is legal, download the archive information (Profile) corresponding from HSS with above-mentioned public user identity, (name information that wherein comprises this public user identity correspondence), and be kept on the HSS with the SIP URI of S-CSCF and the binding of this public user identity and with its corresponding relation, so that other CSCF (for example I-CSCF) or AS are by just knowing the related S-CSCF with this public user identity to the HSS inquiry;
Q114:S-CSCF returns 200 OK response to I-CSCF, wherein comprises the pairing name information of public user identity;
Q115:I-CSCF transmits 200 OK response to P-CSCF;
Q116:P-CSCF extracts the information relevant with registration and is kept at this locality from 200 OK response, wherein comprise the pairing name information of public user identity;
Q117:P-CSCF transmits 200 OK and responds the terminal to IMS, and registration process finishes.
By user registration course, P-CSCF has obtained the name information of public user identity correspondence from HSS, gets ready for realizing that calling name shows.
Stage two: the user initiates service request, and P-CSCF is inserted into calling name in the service request, and AS inserts whether allow the indication that shows in request, concrete steps as shown in Figure 2:
N101: caller IMS terminal is initiated the SIP service request to P-CSCF;
N102:P-CSCF is transmitted to S-CSCF with this SIP service request insert P-Asserted-Identity head (wherein comprising the name information that is associated with the caller public user identity) in the SIP service request after;
N103:S-CSCF is triggered to corresponding caller AS according to the triggering rule in calling subscriber's archive information with this SIP service request;
N104: caller AS judges whether the calling subscriber needs to limit title and show, restriction if desired, the indication of then inserting restriction display of calling name information in the SIP service request; If do not need restriction, then do not insert the indication of restriction display of calling name information.After executing aforesaid operations this SIP request is sent to originating S-CSCF;
N105: originating S-CSCF is transmitted to terminating S-CSCF with the SIP service request;
N106: terminating S-CSCF is triggered to corresponding called AS according to the triggering rule in called subscriber's archive information with the SIP service request;
N107: called AS judges whether the called subscriber allows title to show, if do not allow to show, then inserts the indication of restriction display of calling name information in the SIP request; If allow to show, then do not insert the indication of restriction display of calling name information.Called AS transmits back terminating S-CSCF with the SIP service request after executing aforesaid operations;
N108: terminating S-CSCF is transmitted to called P-CSCF with the SIP service request;
N109: called P-CSCF judges whether and caller name information need be hidden according to the indication that whether comprises restriction display of calling name information in the SIP request.In this way, then called P-CSCF deletes the caller name information in the SIP request, otherwise, do not delete.After executing aforesaid operations, the SIP service request is transmitted to the IMS terminal;
N110: if comprise caller name information in the SIP service request, then the IMS terminal is taken out calling name from the P-Asserted-Identity head of SIP service request, presents to the user.
Further, being provided with generally of the name information in the method finished by the operator of network or enterprise customer's keeper, and the general user can not arbitrarily change, to guarantee the accuracy of name information;
Further, if comprise two P-Asserted-Identity heads in the method, then the name information in these two P-Asserted-Identity heads should be identical;
Further, the application server in the method can provide various different business, for example, supplementary service, data service etc., the method among the present invention all is suitable for.
Fig. 3 is that the inventive method is applied in the embodiment in the calling.
In the present embodiment, the public user identity of calling subscriber A is " tel:+862552877191 ", and corresponding name information is " Zhang San ", and the not signatory restriction display Name of caller business that is to say, allows caller name information is passed to called.Simultaneously, the called subscriber B title display business of having contracted is wished the name information of display of calling.User A and B have all finished above-mentioned registration process.Concrete implementation step is as follows:
F101: caller IMS terminal is initiated the INVITE request to caller P-CSCF;
F102: caller P-CSCF inserts the P-Asserted-Identity head in the INVITE request, wherein comprise the name information that is associated with the caller public user identity, and the INVITE request is transmitted to originating S-CSCF; The partial content of the INVITE request of insertion P-Asserted-Identity is as follows:
INVITE?tel:+862552871731?sip?2.0/udp
From:<tel:+862552877191>；tag＝xxxx；
To:<tel:+862552871731>
P-Asserted-Identity: " Zhang San "＜tel:+862552871731 〉
...
F103: originating S-CSCF is triggered to corresponding caller AS according to the triggering rule in calling subscriber's archive information with the INVITE request;
F104: caller AS judges the not signatory restriction display Name of calling subscriber business, does not insert the indication of restriction display of calling name information, and keeps the P-Asserted-Identity header contents constant, and originating S-CSCF is transmitted back in the INVITE request;
F105: originating S-CSCF is transmitted to terminating S-CSCF according to called party information with the INVITE request;
F106: terminating S-CSCF is triggered to corresponding called AS according to the triggering rule in called subscriber's archive information with the INVITE request;
F107: called AS judges called subscriber's title demonstration of having contracted, and the indication that does not need to insert restriction display of calling name information simultaneously, keeps the P-Asserted-Identity header contents constant, and terminating S-CSCF is transmitted back in the INVITE request;
F108: terminating S-CSCF is transmitted to called P-CSCF with the INVITE request;
F109: called P-CSCF judges the indication of display of calling name information without limits in the INVITE request, therefore keeps the P-Asserted-Identity header contents constant, and the INVITE request is transmitted to called IMS terminal;
F110: called IMS terminal is taken out calling name " Zhang San " from the P-Asserted-Identity head of SIP service request, present to the user.
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 (3)
1. in next generation network, realize the method that calling name shows for one kind, it is characterized in that comprise that the user registers and professional the initiation two stages, wherein, user registration course may further comprise the steps:
A, terminal initiate to comprise the register requirement of public user identity of described terminal to the service-call session control function S-CSCF of correspondence by Proxy-Call Session Control Function P-CSCF, inquiry-CSCF I-CSCF and home subscriber server HSS after, receive described S-CSCF and return the unauthorized response to it, wherein comprise described S-CSCF by carrying out the Ciphering Key that the mutual back of multimedia authentication obtains with described HSS by described I-CSCF and P-CSCF;
B, described terminal generate corresponding authentication information according to described Ciphering Key, initiate registration according to step a to described S-CSCF again, comprise described authentication information in the registration message;
C, described S-CSCF after affirmation user's identity is legal, download with described public user identity corresponding archive information from described HSS according to described authentication information, wherein comprise the name information of described public user identity correspondence; Return the response of succeeding in registration by described I-CSCF to described P-CSCF then, wherein comprise described name information;
After d, described P-CSCF preserve described name information, the described response of succeeding in registration is transmitted to described terminal, finishes registration;
A user who finishes registration is a calling terminal, is that terminal called is initiated service request to other one user who finishes registration, may further comprise the steps:
A, described caller P-CSCF are after the service request that receives described calling terminal transmission, and insertion one comprises the initial session protocol head of described caller name information in this request, also this request is transmitted to originating S-CSCF then;
B, described S-CSCF are triggered to corresponding calling subscriber's server A S according to the triggering rule in described calling subscriber's archive information with described service request, judge the described calling subscriber restriction title display business of whether having contracted by described caller AS; If, the indication of then in described service request, inserting a restriction display of calling name information; Otherwise do not insert; After complete, described service request is sent to terminating S-CSCF by described originating S-CSCF;
C, described terminating S-CSCF are triggered to corresponding called AS according to the triggering rule in called subscriber's archive information with described service request, judge the described called subscriber restriction title display business of whether having contracted by described called AS; If, the indication of then in described service request, inserting a restriction display of calling name information; Otherwise do not insert; After complete, described service request is transmitted to called P-CSCF by terminating S-CSCF;
D, called P-CSCF then will be transmitted to described terminal called after the deletion of the name information in the described service request as comprising the indication of restriction display of calling name information in the service request as described in judging; Otherwise, directly described service request is transmitted to described terminal called;
If comprise described name information in the service request that E receives, then described terminal called takes out described name information from described SIP head, present to the called subscriber; Otherwise, display Name information not.
2. the method for claim 1 is characterized in that,
Also comprise among the step c: the public user identity of described S-CSCF and the public user identity of described terminal are bound and its corresponding relation is kept on the described HSS, other CSCF, as I-CSCF, just or AS by can know the related originating S-CSCF with the public user identity of described terminal to described HSS inquiry.
3. the method for claim 1 is characterized in that,
Described login request message and business request information adopt initial session protocol.
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| CN200710163771A CN100589607C (en) | 2007-10-30 | 2007-10-30 | Method to implement calling name display in the next generation network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011023023A1 (en) * | 2009-08-25 | 2011-03-03 | 中兴通讯股份有限公司 | Method and apparatus for processing internet protocol multimedia subsystem call |
| CN102131010A (en) * | 2010-01-20 | 2011-07-20 | 中兴通讯股份有限公司 | Method, device and system for realizing polychrome based on internet protocol (IP) multimedia subsystem |
| CN102739499A (en) * | 2011-03-31 | 2012-10-17 | 中国移动通信集团公司 | Routing method, routing device and routing system for signaling message |
-
2007
- 2007-10-30 CN CN200710163771A patent/CN100589607C/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011023023A1 (en) * | 2009-08-25 | 2011-03-03 | 中兴通讯股份有限公司 | Method and apparatus for processing internet protocol multimedia subsystem call |
| CN101998318A (en) * | 2009-08-25 | 2011-03-30 | 中兴通讯股份有限公司 | IP (Internet Protocol) multi-media subsystem call processing method and device |
| CN102131010A (en) * | 2010-01-20 | 2011-07-20 | 中兴通讯股份有限公司 | Method, device and system for realizing polychrome based on internet protocol (IP) multimedia subsystem |
| CN102739499A (en) * | 2011-03-31 | 2012-10-17 | 中国移动通信集团公司 | Routing method, routing device and routing system for signaling message |
| CN102739499B (en) * | 2011-03-31 | 2015-08-19 | 中国移动通信集团公司 | A kind of method for routing of signaling message, Apparatus and system |
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|---|---|
| CN100589607C (en) | 2010-02-10 |
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