CN101282572A

CN101282572A - Automatic log-on method for non-register IMS user as called one

Info

Publication number: CN101282572A
Application number: CNA2007100920066A
Authority: CN
Inventors: 杨维忠; 李文苡
Original assignee: China Telecom Corp Ltd
Current assignee: China Telecom Corp Ltd
Priority date: 2007-04-04
Filing date: 2007-04-04
Publication date: 2008-10-08
Anticipated expiration: 2027-04-04
Also published as: CN101282572B

Abstract

The invention provides an automatic registration method of unregistered IMS called subscribers. I-CSCF of IMS domain that the unregistered IMS called subscribers belongs to receives service requests of calling users, and inquires routing addresses of the called users towards a home subscriber server of the called users. The home subscriber server determines that interrelated IMS public marks of the called users are not registered, then sends a request of requesting the users to register to a short message service center. The short message service center sends a short message provided with ISM notification information to the called users via a circuit switched domain. The called users receive and distinguish the short message, and processes IMS registration to the home subscriber server.

Description

Unregistered IMS user does the automatic registration method when called

Technical field

The present invention relates to moving communicating field, relate in particular to unregistered IP Multimedia System (IMS) user and do automatic registration when called.

Background technology

At present, IMS user does caller and still does called the needs and at first register in the IMS territory.In the prior art, do called situation, at independent of service and the professional relevant following two kinds of call proceedings that exist for unregistered IMS user.

It is unregistered to do when called IMS public identify (IMPU) for IMS user, and the situation that does not have relevant service contracting, call proceeding flow process of the prior art is as follows: at first, calling subscriber's service request is forwarded to the CSCF (S-CSCF#1) of service, carrying out business according to initial filter standard or norm (iFC) triggers, and forwarding service request the CSCF (I-CSCF) of the inquiry in the IMS territory that the called subscriber belongs to according to called home domain name, I-CSCF is to called subscriber's home subscriber server (HSS) inquiry called subscriber's routing address then.HSS finds that user-dependent IMPU is unregistered, and this IMPU do not have signing service, then returns user's unregistered state to I-CSCF.At last, to return the user to the IMS of caller network unregistered for I-CSCF.

And it is unregistered to do when called IMPU for IMS user, and the situation of relevant specific transactions (for example Call Forwarding is to Voice Mailbox) of having contracted, call proceeding flow process of the prior art is as follows: calling subscriber's service request is forwarded to S-CSCF#1, and S-CSCF#1 carries out the business triggering according to iFC, and forwarding service request the I-CSCF of the IMS territory that the called subscriber belongs to according to called home domain name, I-CSCF is to HSS inquiry called subscriber's routing address then.HSS finds that user-dependent IMPU is unregistered, and this IMPU has signing service, then returns the S-CSCF capability set of supporting signing service and selects a S-CSCF#2 for I-CSCF.So, I-CSCF is forwarded to the selected S-CSCF#2 of I-CSCF with service request, S-CSCF#2 is to HSS acquisition request user's business information then, so HSS downloads to S-CSCF#2 with user's business information, last S-CSCF#2 carries out business according to iFC and controls.

Obviously, in the prior art, if the IMS mobile subscriber is not registered to the IMS territory, when its when called, the IMS business continuing returns failure.This situation does not have under the signatory situation of related service particularly outstanding IMS user.

Summary of the invention

The purpose of this invention is to provide a kind of method, it utilizes the IMS mobile subscriber to adhere to, can accept the advantage of wireless signal in the start of circuit switching (CS) territory, doing under the situation not when called the IMS mobile subscriber in IMS registration, make terminal login the IMS territory automatically, thereby make call proceeding can continue to finish.This has improved the call completing rate of network, and promotes user's business impression.

Because the mobile subscriber has been attached to bearer network when starting shooting, such as the CS territory, though so the mobile subscriber of IMS be not registered to the IMS territory, between user and network, can transmit signal.When the user is called as IMS, can pass through CS field notice user with note by network.After user's terminal receives and identifies out this special short message, can initiatively select or be registered to automatically the IMS territory, continue to receive the business of IMS then.

According to an aspect of the present invention, a kind of unregistered IP Multimedia System called subscriber's automatic registration method is provided, has comprised: the CSCF of the inquiry of the IMS domain that the called subscriber belonged to (I-CSCF) receives calling subscriber's service request; The CSCF (I-CSCF) of inquiry is to called subscriber's home subscriber server inquiry called subscriber's routing address; Home subscriber server is determined called subscriber's not registration of relevant IMS public identify, then sends the request that requires the user to register to Short Message Service Center; Short Message Service Center sends the note that has the IP Multimedia System advertised information by circuit commutative field to the called subscriber; The called subscriber receives and identifies described note, and carries out the IP Multimedia System registration to home subscriber server.

According to a further aspect in the invention, provide a kind of home subscriber server, having comprised: determined device, be used for determining whether IP Multimedia System user's IMS public identify is registered; And dispensing device, if be used for determining IP Multimedia System user's not registration of IMS public identify, then send the request that requires the user to register to Short Message Service Center.

In accordance with a further aspect of the present invention, provide a kind of IP Multimedia System user terminal, having comprised: recognition device is used to discern the note that has the IP Multimedia System advertised information; And register device, be used to be registered to IMS domain.

Description of drawings

Introduce the present invention in detail below with reference to accompanying drawing, wherein

Fig. 1 shows in the prior art that to do when called IMPU IMS user unregistered, and does not have the flow chart of the exemplary flow process that continues under the situation of relevant service contracting;

Fig. 2 shows in the prior art that to do when called IMPU IMS user unregistered, and the flow chart of the exemplary flow process that continues under the situation of the relevant business of having contracted;

Fig. 3 shows the flow chart that unregistered IMS user according to the present invention does the exemplary flow process that continues of the automatic registration method when called;

Fig. 4 shows the flow chart in the exemplary flow process that continues of network side that unregistered IMS user according to the present invention does automatic registration method when called;

Fig. 5 shows the flow chart according to terminal processes announcement note of the present invention.

Embodiment

For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the referenced drawings preferred embodiment.

Fig. 1 shows in the prior art that to do when called IMPU IMS user unregistered, and does not have the flow chart of the exemplary flow process that continues under the situation of relevant service contracting.Fig. 1 shows the network (being originating network) that sends caller, calling subscriber's home network (home network #1), called subscriber's home network (home network #2).Calling subscriber's S-CSCF is represented as S-CSCF#1 among the home network #1, and called subscriber's S-CSCF is represented as S-CSCF#2 among the home network #2.As shown in Figure 1, in

step

1 and 2, calling subscriber's service request is forwarded to S-CSCF#1, and in response to this, S-CSCF#1 returns Temporary Response 100 (Trying).Then, in step 3, S-CSCF#1 carries out business according to iFC to be triggered.In

step

4 and 5, S-CSCF#1 is forwarded to the I-CSCF in the IMS territory that the called subscriber belongs to according to called home domain name with service request, and this I-CSCF returns Temporary Response 100 (Trying).Next, in step 6, I-CSCF is to called home subscriber server (HSS) inquiry called subscriber's routing address; HSS finds that user-dependent IMPU is unregistered, and this IMPU do not have signing service, then returns user's unregistered state to I-CSCF.At last, in step 71, I-CSCF returns 404 (user is unregistered) to the IMS of caller network, and S-CSCF#1 returns ACK to 400, and 404 (user is unregistered) are returned to the calling subscriber, and the calling subscriber returns ACK to 404 equally.

Fig. 2 shows in the prior art that to do when called IMPU IMS user unregistered, and the flow chart of the exemplary flow process that continues under the situation of the relevant specific transactions of having contracted.Fig. 2 also shows the network (originating network) that sends caller, the home network (home network #1) of caller, called home network (home network #2).The S-CSCF of caller is represented as S-CSCF#1 among the home network #1, and called S-CSCF is represented as S-CSCF#2 among the home network #2.Step 1-5 is identical with step 1-5 among Fig. 1 among Fig. 2.As shown in Figure 2, in

step

1 and 2, calling subscriber's service request is forwarded to S-CSCF#1, and S-CSCF#1 returns Temporary Response 100 (Trying); In step 3, S-CSCF#1 carries out business according to iFC to be triggered then; In step 4-5, S-CSCF#1 forwards service request the I-CSCF of the IMS territory that the called subscriber belongs to according to called home domain name, and this I-CSCF returns Temporary Response 100 (Trying).Then, in step 6, I-CSCF is to HSS inquiry called subscriber's routing address, and wherein HSS finds that user-dependent IMPU is unregistered, and this IMPU has signing service, selects a S-CSCF#2 so return the S-CSCF capability set of supporting signing service for I-CSCF.Next, in

step

7 and 8, I-CSCF is forwarded to the selected S-CSCF#2 of I-CSCF with service request, and S-CSCF#2 returns Temporary Response 100 (Trying).Then, in step 9, S-CSCF#2 is to HSS acquisition request user's business information.In step 10, HSS downloads to S-CSCF#2 with user's business information, and in step 11, S-CSCF#2 carries out business control according to iFC at last.

As mentioned above, in the prior art, if the IMS mobile subscriber is not registered to the IMS territory, when its when called, the IMS business continuing returns failure.This situation does not have under the signatory situation of related service particularly outstanding IMS user.For this reason, the present invention proposes a kind of unregistered IP Multimedia System called subscriber's automatic registration method.Introduce the present invention below with reference to accompanying drawing.

Fig. 3 shows the flow chart that unregistered IMS user according to the present invention does the exemplary whole flow process that continues of the automatic registration method when called.According to the present invention, if having started shooting attached to the CS territory, the callee arrive IMS registration, then, can trigger callee's automatic register flow path when calling subscriber's initiation during to callee's service request.

As shown in Figure 3, the calling subscriber represents that with user equipment (UE) #1 the called subscriber represents with user equipment (UE) #2.At first, in

step

1 and 2, calling subscriber's service request is forwarded to the S-CSCF#1 of its ancestral home network #1, and S-CSCF#1 returns Temporary Response 100 (Trying) to the service request that is received.Then, in step 3, S-CSCF#1 carries out business according to iFC to be triggered.So in

step

4 and 5, S-CSCF#1 is forwarded to the I-CSCF in the IMS territory that the called subscriber belongs to according to called home domain name with service request, and I-CSCF returns Temporary Response 100 (Trying) to this.And in step 6, I-CSCF is to called subscriber's HSS inquiry called subscriber's routing address.And in step 7, HSS finds not registration of user-dependent IMPU, so send the request that requires the user to register to Short Message Service Center SMSC.In step 8, in response to this request, the mobile switching center MSC/VLR (MSC Server/VLR) that the home location register HLR of SMSC by the called subscriber finds the user to roam, and send the note that has the IMS advertised information to user equipment (UE) #2 by the CS territory.In step 9, if terminal successfully receives this note, and to identify this be IMS announcement note, and then it initiates the register flow path of IMS.After succeeding in registration, in step 10, HSS returns the S-CSCF address of user's registration to I-CSCF.Then, in step 11-14, I-CSCF is according to the S-CSCF address that HSS the returned IMS business that continues to continue.So in step 15-18, called subscriber answer returns calling subscriber 200OK, professional foundation finished.

According to the present invention, HSS can send the request that requires the user to register based on the SMPP agreement to Short Message Service Center SMSC.And the registration operation can be automatically performed by called user terminal, also can initiatively be selected by the called subscriber.

By automatic registration method according to the present invention, can improve the success rate of IMS territory business, and promote the experience of customer service.Because mobile network's first stage of construction (yet comprising the IMS business development initial stage), the user does not also cultivate the custom of use IMS business, though therefore have certain customers' start only attached to the CS territory, has only just to be registered to the IMS territory in the time of will carrying out the IMS business.Therefore, be not registered to the IMS territory and do when called the user, the IMS business continuing can be failed.And can when the user is called, allow the user be registered to IMS reception IMS business automatically, thereby have improved the call completing rate of network by the method according to this invention.In addition, from user's experience angle, the user still can selective reception or do not receive business from IMS by the method according to this invention under the situation that is not having registration.

Introduce unregistered IMS user according to the present invention in more detail below with reference to accompanying drawing 4 and do automatic registration method when called in the exemplary flow process that continues of network side.

As shown in Figure 4, at called subscriber's network side, at first calling subscriber's service request is forwarded to the I-CSCF in the IMS territory that the called subscriber belongs to, and I-CSCF returns Temporary Response 100 (Trying).Then, I-CSCF is to called subscriber's HSS inquiry called subscriber's routing address.And HSS finds not registration of user-dependent IMPU, promptly sends the request that requires the user to register to SMSC.Then, SMSC sends the note that have IMS advertised information by the CS territory to the user by the MSC/VLR (MSC Server/VLR) that HLR finds the user to roam.If terminal successfully receives this note, and to identify this be IMS announcement note, then initiates the register flow path of IMS automatically.After succeeding in registration, HSS returns the S-CSCF address of user's registration to I-CSCF.So continue the calling of IMS to continue in the S-CSCF address that I-CSCF returns according to HSS.And if IMS announcement note sends failure or registration failure, then HSS is undertaken by normal process of the prior art, returns the failed message code.

In order to realize the automatic registration method according to unregistered IP Multimedia System called subscriber of the present invention, home subscriber server needs according to the present invention are increased to the interface of SMSC.For this reason, home subscriber server according to the present invention comprises definite device that whether IMPU that is used for determining IMS user registers and send the dispensing device that requires the request that the user registers to Short Message Service Center when IMS user's IMPU does not register.

Be used to realize the method according to this invention terminal below with reference to accompanying drawing 5 detailed introductions.In order to realize that according to automatic registration method of the present invention terminal needs according to the present invention possess the ability of identification IMS note.In the prior art, terminal can be by the identification of the special mark information in note multimedia messaging service, MMS MMS announcement note, and in a single day terminal identify MMS announcement note, just can go MMSC to fetch MMS automatically according to being provided with in advance.And this process is transparent to the user.And according to the present invention, this identification information is expanded, make terminal also can support to discern the announcement note of IMS, thereby can select or under the situation that the user does not feel, be registered to automatically the IMS territory to receive the business of IMS by the user.

For this reason, according to IMS user terminal of the present invention, comprise recognition device that is used to discern the note that has the IMS advertised information and the register device that is used to be registered to the IMS territory.As mentioned above, registration can initiatively be selected by the user, also can automatically perform under the situation that the user does not feel.Therefore, can when recognizing the note that has the IMS advertised information, be registered to the IMS territory automatically according to the register device in the IMS user terminal of the present invention.But, also can comprise the input unit that is used for indicating whether to be registered to the instruction in IMS territory according to the register device in the IMS user terminal of the present invention, thereby register device can be carried out the registration operation according to the instruction of importing via input unit by user input.

Though below describe the present invention in conjunction with the preferred embodiments in detail, the present invention is not limited to the concrete introduction of the foregoing description.The present invention can further upgrade, and perhaps new in addition to feature disclosed in this invention combination comprises any relevant claim and accompanying drawing, also can upgrade or newly makes up any method disclosed in this invention or process.

Claims

1. a unregistered IP Multimedia System called subscriber automatic registration method comprises

The CSCF (I-CSCF) of the inquiry of the IMS domain that described unregistered IP Multimedia System called subscriber is belonged to receives calling subscriber's service request;

The CSCF of described inquiry (I-CSCF) is inquired about described called subscriber's routing address to described called subscriber's home subscriber server;

Described home subscriber server is determined described called subscriber's not registration of relevant IMS public identify, then sends the request that requires the user to register to Short Message Service Center;

Described Short Message Service Center sends the note that has the IP Multimedia System advertised information by circuit commutative field to described called subscriber;

Described called subscriber receives and identifies described note, and carries out the IP Multimedia System registration to described home subscriber server.

2. according to the process of claim 1 wherein that described registration is automatically performed by called user terminal.

3. according to the process of claim 1 wherein that described registration initiatively selected by the called subscriber.

4. according to the process of claim 1 wherein that described home subscriber server returns the CSCF (S-CSCF#2) of the service of being registered to the CSCF (I-CSCF) of described inquiry after the IP Multimedia System registration.

5. according to the method for claim 4, the CSCF of wherein said inquiry (I-CSCF) is called out according to the CSCF (S-CSCF#2) of the service of the being registered IP Multimedia System that continues.

6. according to the process of claim 1 wherein that described home subscriber server sends the request that requires the user to register based on the SMPP agreement to Short Message Service Center.

7. according to the method for claim 1, wherein calling subscriber's service request is forwarded to the CSCF (S-CSCF#1) of service of described calling subscriber's ancestral home network, and the CSCF of described service (S-CSCF#1) is forwarded to service request the CSCF (I-CSCF) of described inquiry.

8. home subscriber server comprises:

Determine device, be used for determining whether IP Multimedia System user's IMS public identify is registered;

Dispensing device determines that IP Multimedia System user's IMS public identify is not registered if be used for described definite device, then sends the request that requires the user to register to Short Message Service Center.

9. home subscriber server according to Claim 8, wherein said dispensing device sends the request that requires the user to register based on the SMPP agreement to Short Message Service Center.

10. IP Multimedia System user terminal comprises:

Recognition device is used to discern the note that has the IP Multimedia System advertised information;

Register device is used to be registered to IMS domain.

11. according to the IP Multimedia System user terminal of claim 10, wherein said register device is registered to IMS domain automatically when recognizing the note that has the IP Multimedia System advertised information.

12. the IP Multimedia System user terminal according to claim 10 also comprises:

Input unit is used for importing the instruction that indicates whether to be registered to IMS domain by the user;

And described register device is carried out the registration operation according to the instruction of importing via input unit.