CN102469070A - IP (Internet Protocol) multimedia subsystem, method for subscribing Forking and device - Google Patents

IP (Internet Protocol) multimedia subsystem, method for subscribing Forking and device Download PDF

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Publication number
CN102469070A
CN102469070A CN2010105346099A CN201010534609A CN102469070A CN 102469070 A CN102469070 A CN 102469070A CN 2010105346099 A CN2010105346099 A CN 2010105346099A CN 201010534609 A CN201010534609 A CN 201010534609A CN 102469070 A CN102469070 A CN 102469070A
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subscribe request
subscribe
user
business
cscf
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CN102469070B (en
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高扬
周蓝粢
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ZTE Corp
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ZTE Corp
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Priority to CN201010534609.9A priority Critical patent/CN102469070B/en
Priority to PCT/CN2011/077289 priority patent/WO2012058943A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1063—Application servers providing network services

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The invention discloses a method for subscribing Forking in an IP (Internet Protocol) multimedia subsystem. The method comprises the following steps of: after an IMS (IP Multimedia Subsystem) receives a subscribing request sent by a user, determining all ASs (Automatic System) according to service information carried in the subscribing request, and sending the subscribing request to all the ASs. Simultaneously, the invention also discloses a device for subscribing Forking in the IP multimedia subsystem; the device comprises a receiving unit, a determining unit and a sending unit, wherein the receiving unit is used for receiving the subscribing request sent by the user; the determining unit is used for determining all the ASs for processing the subscribing request according to service description information carried in the subscribing request; and the sending unit is used for sending the subscribing request to all the ASs. The invention also discloses an IP multimedia subsystem. In the invention, the Forking subscribing service can be realized, the modification for the existing system is less and the compatibility is stronger.

Description

Method and the device of IP Multimedia System, subscription Forking
Technical field
The present invention relates to the subscription Forking technology in IP Multimedia System (IMS, the IP Multimedia Subsystem) network architecture, relate in particular to method and the device of a kind of IP Multimedia System, subscription Forking.
Background technology
IMS is the developing direction of following multimedia communication, also is the of paramount importance part of next generation network.It is third generation partner program (3GPP; The subsystem of the support IP multimedia service that Third Generation Partnership Project) proposes; Its notable feature is to have adopted session initiation protocol (SIP; Session Initial Protocol) system; Communication is irrelevant with access way, can possess that multiple multimedia service controlled function is separated with bearing capacity, calling separates with session, application separates with service, business and network detach, and multiple abilities such as mobile network and internet service fusion.
At the IMS network; Use public user identity (PUI; Public User Identity) and the form registration that combines of private user identity (PVI, Private User Identity), a PUI can bind with a plurality of PVI and repeatedly register; Promptly a number can have a plurality of contact addresses, corresponding a plurality of physical ends.It is that the behavior at a plurality of terminals is Forking that conversation request can be sought a plurality of destination addresses.Promptly allow to use a sip message by a plurality of user terminals of a related ID receive.For example call conversation control function entity (CSCF, Call Session Control Function) is after new conversation request arrives acting server (Proxy Server), and forward direction INVITE asks a plurality of positions.
Along with the continuous development of IMS, the business in telecommunications network is also constantly increasing, and the user is also constantly enlarging the demand of service subscribing.At present, the flow process of service subscribing is following in the IMS network:
When the user has demand to a certain business; The user sends this professional request of subscription to IMS; Wherein IMS can be service call session control function entity (S-CSCF; Serving Call Session Control Function), but being not limited only to this equipment, is this service subscribing flow process of example explanation with S-CSCF.After S-CSCF receives subscribe request; Subscribe request is sent to corresponding application server (AS; Application Server); AS responds this subscribe request, accomplishes this professional subscription operation and returns the service subscribing operating result to S-CSCF, and S-CSCF transmits this service subscribing operating result and gives the user.Wherein, the received subscribe request of S-CSCF is necessary for the incident bag that S-CSCF can support, and has configured which kind of incident bag before the S-CSCF and send to which AS and handle.
But, based on the prior art of above description, find in the practical business subscription procedure, can produce following problem:
At first, S-CSCF sends to corresponding AS with the incident bag of the subscribe request that the user sends by the predetermined fixed configuration, but has the incident bag of the subscribe request that has received the S-CSCF forwarding probably, and AS does not support the ordered professional situation of user;
Secondly, when different AS supported business of the same race, S-CSCF did not support the Forking of subscribe request.
Summary of the invention
In view of this, method and device that main purpose of the present invention is that a kind of IP Multimedia System is provided, subscribes to Forking, IMS can realize professional subscription Forking.
For achieving the above object, technical scheme of the present invention is achieved in that
Subscribe to the method for Forking in a kind of IP Multimedia System, comprising:
After IP Multimedia System IMS receives the subscribe request of user's transmission,, said subscribe request is sent to said all AS according to definite all AS that can handle said subscribe request of the business information of carrying in the said subscribe request.
Preferably, said method also comprises:
Said IMS notifies said user after receiving any AS first affirmation response to said subscribe request among said all AS.
Preferably, said method also comprises:
Said IMS does not reinform said user after receiving the affirmation response of all the other AS to said subscribe request among said all AS.
Preferably, said method also comprises:
Pre-configured business and can handle the corresponding relation between the AS of this professional subscribe request in IMS, wherein, every kind of business is corresponding at least one AS.
Preferably; Receive the subscribe request that the user sends by the S-CSCF among the said IMS; And confirm to handle all AS of said subscribe request according to the business description information of carrying in the said subscribe request, and said subscribe request is transmitted to determined all AS, and; After receiving the affirmation response of AS, notify or do not notify said user to said service subscribing request.
Preferably, said business description information is at least one item of following information: service key, service identification; Wherein, said service identification is Business Name or service code.
Subscribe to the device of Forking in a kind of IP Multimedia System, be applied among the IMS, said device comprises receiving element, confirms unit and transmitting element, wherein,
Receiving element is used to receive the subscribe request that the user sends;
Confirm the unit, the business description information that is used for carrying according to said subscribe request confirms to handle all AS of said subscribe request;
Transmitting element is used for said subscribe request is sent to said all AS.
Preferably, said device also comprises:
Notification unit is used for after said receiving element receives any AS first affirmation response to said subscribe request of said all AS, notifying said user.
Preferably, after the affirmation response of said receiving element all the other AS in receiving said all AS to said subscribe request, said notification unit does not reinform said user.
Preferably, said device also comprises:
Dispensing unit is used for pre-configured business and can handles the corresponding relation between the AS of this professional subscribe request, and wherein, every kind of business is corresponding at least one AS.
Preferably, said business description information is at least one item of following information: service key, service identification; Wherein, said service identification is Business Name or service code.
A kind of IP Multimedia System includes the device of subscribing to Forking in the aforesaid IP Multimedia System.
A kind of IP Multimedia System includes S-CSCF, and said S-CSCF comprises receiving element, confirms unit and transmitting element, wherein,
Receiving element is used to receive the subscribe request that the user sends;
Confirm the unit, the business description information that is used for carrying according to said subscribe request confirms to handle all AS of said subscribe request;
Transmitting element is used for said subscribe request is sent to said all AS.
Preferably, said S-CSCF also comprises:
Notification unit is used for after said receiving element receives any AS first affirmation response to said subscribe request of said all AS, notifying said user;
After the affirmation response of said receiving element all the other AS in receiving said all AS to said subscribe request, said notification unit does not reinform said user.
Among the present invention, pre-configured business and can handle the corresponding relation between the AS of this professional subscribe request in IMS, wherein, every kind of business that is to say that corresponding at least one AS a kind of business can be corresponding to a plurality of AS.Receive the subscribe request of user's transmission as IMS after, for current business is determined all AS that can handle current subscribe request, at this moment; IMS will send subscribe request to determined all AS; And after the first service subscribing processing response in receiving these AS, sending to said user, IMS is in receiving these AS after the response of non-service subscribing first; To no longer send to said user, promptly said user masked the non-response first of the service subscribing of all the other AS transmissions.Because the present invention is not to be corresponding one by one with being set between business and the AS, but the relation of multi-to-multi, like this; After the subscribe request that receives user's transmission; Can with subscribe request send to might handle the AS of this subscribe request, guaranteed the processing of AS to subscribe request, IMS is transmitted to the user after receiving the first response of AS to subscribe request; Shield the non-first response of all the other AS, safeguarded the compatibility of IMS to handling process between the user and existing handling process to subscribe request.
Description of drawings
Fig. 1 is a service subscribing flow chart among the IMS;
Fig. 2 is for subscribing to the method flow diagram of Forking in the IP Multimedia System of the present invention;
Fig. 3 obtains the flow chart of subscribing service information and AS tabulation for the present invention;
Fig. 4 is for subscribing to the composition structural representation of the device of Forking in the IP Multimedia System of the present invention.
Embodiment
Basic thought of the present invention is, pre-configured business and can handle the corresponding relation between this professional AS in IMS, and wherein, every kind of business that is to say that corresponding at least one AS a kind of business can be corresponding to a plurality of AS.Receive the subscribe request of user's transmission as IMS after; For current business is determined all AS that can handle this subscribe request, at this moment, IMS will send subscribe request to determined all AS; And after the first service subscribing processing response in receiving these AS; Send to said user, IMS after the non-response of service subscribing first, will no longer send to said user in receiving these AS.
Fig. 1 is service subscribing flow chart among the IMS, and is as shown in Figure 1, and the service subscribing flow process specifically may further comprise the steps among the IMS:
Step 101, user UE sends subscribe request to IMS; Be that UE sends the Subscribe subscribe message to S-CSCF; Comprised fixing incident bag in the subscribe message;
Step 102 when S-CSCF receives user's subscription request message, triggers according to initial filter criteria (IFC, Initial Filter Criteria), sends to AS_1 according to fixing incident bag and handles; S-CSCF is indifferent to the particular content of this incident bag;
Step 103, AS_1 receives after the next subscription request message of S-CSCF forwarding, handles this subscription request message, replys corresponding response message 200OK;
Step 104, S-CSCF transmits this 200OK response message and gives UE;
Step 105, AS_1 immediately sends the NOTIFY notification message and gives S-CSCF, informs successfully to handle and subscribes to;
Step 106, S-CSCF transmits this NOTIFY notification message and gives UE;
Step 107, UE replys the response 200OK to the NOTIFY notification message;
Step 108, S-CSCF transmits this 200OK response message and gives AS_1;
Step 109～step 124, UE is S-CSCF when sending same subscribe message to IMS, and S-CSCF is toggled to other AS according to IFC, and its flow process repeats no more at this with step 101～step 108.
Before describing technical scheme of the present invention, at first introduce the basic configuration that realizes technical scheme of the present invention.Among the present invention, need among the S-CSCF in IMS pre-configured business and can handle the corresponding relation between this professional AS, wherein, every kind of business that is to say that corresponding at least one AS a kind of business can be corresponding with a plurality of AS; And multiple business also can be corresponding to an AS, and promptly an AS can handle multiple subscribing service.Among the present invention, send in the subscribe request of S-CSCF, also carry service key, service identification information such as the information such as Business Name, service code of business description information as treating subscribing service of subscribing service of remaining the user.
Fig. 2 is for subscribing to the method flow diagram of Forking in the IP Multimedia System of the present invention, and is as shown in Figure 2, and the method for subscribing to Forking in the IP Multimedia System of the present invention specifically may further comprise the steps:
Step 201, UE sends subscribe request to IMS; Be that UE sends the Subscribe subscribe message to S-CSCF; The business description information that has comprised subscribing service in the subscribe message, routine service key, Business Name, service code etc.; It will be appreciated by those skilled in the art that any information relevant with subscribing service all can be used as the business description information of subscribing service.
Step 202 when S-CSCF receives user's subscription request message, is extracted the business description information in the message;
Step 203, S-CSCF is according to the business description information that extracts, and corresponding allocation list finds out all the AS tabulations that can handle this subscription request message;
Step 204, S-CSCF duplicates the Subscribe subscribe message, is ready for sending to all qualified AS; Here, the eligible AS that promptly can mate with allocation list, the AS of subscribe request that also can process user;
Step 205, S-CSCF sends to AS_1 with the Subscribe subscribe message;
Step 206, S-CSCF sends to qualified all the other AS with the Subscribe subscribe message, numbers with AS_2 to AS_N-1 in this example, is about to the Subscribe subscribe message and sends to AS_2 to AS_N-1;
Step 207, S-CSCF sends to AS_N with the Subscribe subscribe message;
Need to prove, only be for clear need having carried out numbering and illustrate S-CSCF to send to these AS successively AS of illustrating among Fig. 2, and when practical application, S-CSCF can send the Subscribe subscribe message to these AS concurrently;
Step 208, all AS that satisfy condition handle this subscription request message, and reply response 200OK and give S-CSCF; Article one that S-CSCF receives response 200OK, can among the AS that satisfies condition any one, can think the 200OK that AS_1 replys, the 200OK that also can reply for AS_N can certainly be the response that AS replied of other labels; The present invention is that example describes with AS_1 for the AS of the 200OK that at first replys to S-CSCF;
Step 209, S-CSCF transmits article one response 200OK message that receives and gives UE;
Step 210～step 211, if first the 200OK response that the 200OK that replys among the AS_1 to AS_N that satisfies condition response does not receive for S-CSCF, then S-CSCF can not send to UE with the 200OK response interception of follow-up answer;
Step 212 after AS_1 successfully handles subscribe message, is sent the NOTIFY notification message and is given S-CSCF, informs and successfully accepts processing;
Step 213, S-CSCF transmits this notification message and gives UE;
Step 214, UE replys the response 200OK to the NOTIFY notification message;
Step 215, S-CSCF transmits this 200OK response message and gives AS_1;
Step 216～step 223, the notifier processes flow process of other AS repeats no more at this with step 212～step 215.
In step 216～step 223, receive the NOTIFY notification message of all the other AS to subscribe request after, still be transmitted to said UE, understand ordered professional relevant information to make things convenient for the user.The present invention has realized subscription Forking through sending this subscribe request to a subscribe request to more than one AS.S-CSCF of the present invention can transmit to UE by the NOTIFY notification message order that receives AS.
Fig. 3 obtains the flow chart of subscribing service information and AS tabulation for the present invention, and is as shown in Figure 3, and the flow process that the present invention obtains subscribing service information and AS tabulation specifically may further comprise the steps:
Step 301, UE sends subscribe request to IMS; Be that UE sends the Subscribe subscribe message to S-CSCF; The business description information that has comprised subscribing service in the subscribe message: service key 10235, Business Name Call Forwarding Unconditional, professional abbreviation CFU; Business description information is not limited only to foregoing;
Step 302 when S-CSCF receives user's subscription request message, is extracted the business description information in the message: service key 10235, Business Name Call Forwarding Unconditional, professional abbreviation CFU;
Step 303, S-CSCF searches configuration information table with the business description information that extracts, and finds out all the AS tabulations that can handle this subscription request message; Finding accessible AS according to form is AS_1, AS_3, AS_7;
Step 304, S-CSCF duplicates the Subscribe subscribe message, is ready for sending to all qualified AS:AS_1, AS_3, AS_7;
Step 305, S-CSCF sends to AS_1 with the Subscribe subscribe message;
Step 306, S-CSCF sends to AS_3 with the Subscribe subscribe message;
Step 307, S-CSCF sends to AS_7 with the Subscribe subscribe message.
Above-mentioned order of sending the Subscribe subscribe message to AS is not to be used for limiting just for the ease of technical scheme of the present invention is described.It will be appreciated by those skilled in the art that S-CSCF can be parallel mode of sending to the mode of sending above-mentioned Subscribe subscribe message.
Treatment step after the step 307, identical with the processing mode of aforementioned step 208～step 223 shown in Figure 2, repeating no more here, it realizes details.
Among the present invention; As shown in Figure 3; Business description information also can be other professional relevant informations, as service key be 10236, Business Name is Call Forwarding Unconditional, the business of professional abbreviation CFNA, service key is 10237, Business Name is the business of interruption-free, professional abbreviation CFNA.
Fig. 4 is for subscribing to the composition structural representation of the device of Forking in the IP Multimedia System of the present invention, and is as shown in Figure 4, subscribes to the device of Forking in the IP Multimedia System of the present invention; Be applied among the IMS; Comprise receiving element 40, confirm unit 41 and transmitting element 42, wherein
Receiving element 40 is used to receive the subscribe request that the user sends;
Confirm unit 41, the business description information that is used for carrying according to said subscribe request confirms to handle all AS of said subscribe request;
Transmitting element 42 is used for said subscribe request is sent to said all AS.
On the basis of the device of subscription Forking, the device of subscribing to Forking in the IP Multimedia System of the present invention also comprises in IP Multimedia System shown in Figure 4:
Notification unit (not shown) is used for after said receiving element receives any AS first affirmation response to said subscribe request of said all AS, notifying said user.
And after receiving element 40 all the other AS in receiving said all AS confirmed response to non-first of said subscribe request, said notification unit did not reinform said user.
On the basis of the device of subscription Forking, the device of subscribing to Forking in the IP Multimedia System of the present invention also comprises in IP Multimedia System shown in Figure 4:
Dispensing unit (not shown) is used for pre-configured business and can handles the corresponding relation between the AS of this professional subscribe request, and wherein, every kind of business is corresponding at least one AS.
Above-mentioned business description information is at least one of following information: service key, service identification; Wherein, said service identification is Business Name or service code.
Those skilled in the art are to be understood that; The device of subscribing to Forking in the present invention's IP Multimedia System shown in Figure 4 is for realizing that the method for subscribing to Forking in the aforesaid IP Multimedia System designs, and the realization function of above-mentioned each processing unit can be understood with reference to the associated description of the method for subscribing to Forking in the aforementioned IP Multimedia System.The function of each processing unit among the figure can realize through the program that runs on the processor, also can realize through concrete logical circuit.
The present invention has also put down in writing a kind of IP Multimedia System, comprises the device of subscribing to Forking in the aforementioned IP Multimedia System shown in Figure 4.
The present invention has also put down in writing another kind of IP Multimedia System, includes S-CSCF, and said S-CSCF comprises receiving element, confirms unit and transmitting element, wherein,
Receiving element is used to receive the subscribe request that the user sends;
Confirm the unit, the business description information that is used for carrying according to said subscribe request confirms to handle all AS of said subscribe request;
Transmitting element is used for said subscribe request is sent to said all AS.
Said S-CSCF also comprises:
Notification unit is used for after said receiving element receives any AS first affirmation response to said subscribe request of said all AS, notifying said user;
After said receiving element all the other AS in receiving said all AS confirmed response to non-first of said subscribe request, said notification unit did not reinform said user.
It will be appreciated by those skilled in the art that S-CSCF described here can realize subscribing in the above-mentioned IP Multimedia System shown in Figure 4 all functions of the device of Forking.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.

Claims (14)

1. subscribe to the method for Forking in the IP Multimedia System, it is characterized in that said method comprises:
After IP Multimedia System IMS receives the subscribe request of user's transmission,, said subscribe request is sent to said all AS according to definite all application server AS that can handle said subscribe request of the business information of carrying in the said subscribe request.
2. method according to claim 1 is characterized in that, said method also comprises:
Said IMS notifies said user after receiving any AS first affirmation response to said subscribe request among said all AS.
3. method according to claim 2 is characterized in that, said method also comprises:
Said IMS does not reinform said user after receiving the affirmation response of all the other AS to said subscribe request among said all AS.
4. method according to claim 1 is characterized in that, said method also comprises:
Pre-configured business and can handle the corresponding relation between the AS of this professional subscribe request in IMS, wherein, every kind of business is corresponding at least one AS.
5. according to each described method of claim 1 to 4; It is characterized in that, receive the subscribe request that the user sends, and confirm to handle all AS of said subscribe request according to the business description information of carrying in the said subscribe request by the service call session control function entity S-CSCF among the said IMS; And said subscribe request is transmitted to determined all AS; And, after receiving the affirmation response of AS, notify or do not notify said user to said subscribe request.
6. according to each described method of claim 1 to 4, it is characterized in that said business description information is at least one of following information: service key, service identification; Wherein, said service identification is Business Name or service code.
7. subscribe to the device of Forking in the IP Multimedia System, be applied to it is characterized in that among the IMS, said device comprises receiving element, confirms unit and transmitting element, wherein,
Receiving element is used to receive the subscribe request that the user sends;
Confirm the unit, the business description information that is used for carrying according to said subscribe request confirms to handle all AS of said subscribe request;
Transmitting element is used for said subscribe request is sent to said all AS.
8. device according to claim 7 is characterized in that, said device also comprises:
Notification unit is used for after said receiving element receives any AS first affirmation response to said subscribe request of said all AS, notifying said user.
9. device according to claim 8 is characterized in that, after the affirmation response of said receiving element all the other AS in receiving said all AS to said subscribe request, said notification unit does not reinform said user.
10. device according to claim 7 is characterized in that, said device also comprises:
Dispensing unit is used for pre-configured business and can handles the corresponding relation between the AS of this professional subscribe request, and wherein, every kind of business is corresponding at least one AS.
11., it is characterized in that said business description information is at least one of following information: service key, service identification according to each described device of claim 7 to 10; Wherein, said service identification is Business Name or service code.
12. an IP Multimedia System is characterized in that, includes the device of subscribing to Forking in each described IP Multimedia System of claim 7 to 11.
13. an IP Multimedia System includes S-CSCF, it is characterized in that, said S-CSCF comprises receiving element, confirms unit and transmitting element, wherein,
Receiving element is used to receive the subscribe request that the user sends;
Confirm the unit, the business description information that is used for carrying according to said subscribe request confirms to handle all AS of said subscribe request;
Transmitting element is used for said subscribe request is sent to said all AS.
14. system according to claim 13 is characterized in that, said S-CSCF also comprises:
Notification unit is used for after said receiving element receives any AS first affirmation response to said subscribe request of said all AS, notifying said user;
After the affirmation response of said receiving element all the other AS in receiving said all AS to said subscribe request, said notification unit does not reinform said user.
CN201010534609.9A 2010-11-05 2010-11-05 IP Multimedia System, the method for subscribing to Forking and device Expired - Fee Related CN102469070B (en)

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PCT/CN2011/077289 WO2012058943A1 (en) 2010-11-05 2011-07-18 Ip multimedia subsystem, and method and device for forking subscription

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