CN101094088A - Implementing method for nesting intelligent service in broad band - Google Patents
Implementing method for nesting intelligent service in broad band Download PDFInfo
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- CN101094088A CN101094088A CNA2007101305524A CN200710130552A CN101094088A CN 101094088 A CN101094088 A CN 101094088A CN A2007101305524 A CNA2007101305524 A CN A2007101305524A CN 200710130552 A CN200710130552 A CN 200710130552A CN 101094088 A CN101094088 A CN 101094088A
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Abstract
The method comprises: a) soft switch sends a call request to the application server; said call request carries the information used for triggering the intelligent service; b) after application server receives the call request, it executes service logic and makes service process; c) the application server decides whether or not the phone number is changed, and sends the confirmation to the soft switch; said confirmation carries the information for indicating if the phone number is changed and also carries the information for triggering the intelligent server; d) after receiving the call confirmation, according to the information carried by the confirmation; the soft switch makes a decision; if it's a calling intelligent service and the calling number is changed, the soft switch triggers the service according to the changed calling number; if it's a called intelligent service and the called number is changed, the soft switch triggers the service according to the changed called number.
Description
Technical field
The present invention relates to the value-added service field in the communication network, relate in particular to a kind of implementation of nesting intelligent service in broad band.
Background technology
Flexible exchanging network is that network platform system integrated services such as voice, data, multimedia, full standard open can be provided simultaneously.Flexible exchanging network has following characteristics: open, layered architecture; The network of business-driven; Professional control with calling separated, and calls out with carrying and separates; Packet network based on uniform protocol; Equipment inserts synthesization; The Equipment Control strategyization.As shown in Figure 1, in flexible exchanging network, various IADs, Tandem Gateway, SGW are in medium/Access Layer; Core packet networks is in the core transport layer; Soft switch is in the control aspect; Arrowband intelligent service platform (SCP:ServiceControl Point), the intelligent service in broad band platform is an application server, network management system (NMS:NetworkManagement System), authentication, authentication, accounting server (AAA:Autentic ation, Authorization, Accounting Server), attaching position register (HLR:Home LocationRegister) is in the service/application layer, and wherein HLR is as the integrated data store of the signatory attribute of user.
Soft switch is mainly finished major functions such as calling is controlled, the access control of media gateway, resource allocation, protocol processes, route, authentication, charging, and can be provided various basic services and supplementary service to the user as core control equipment.
Application server is the equipment that all kinds of value-added services are provided to the user in flexible exchanging network, the charging of the visit of execution, business datum and the user data of responsible value-added service logic, business and management etc., it provides open standard A PI (application programming interfaces: Application ProgrammingInterface), finish the generation of new business and function is provided to the third party.
(Session Initiation Protocol: session initiation protocol) be an application layer control protocol, it is used for creating, revises and the termination session SIP.The type of session comprises Internet (internet) call, multimedia conferencing and multimedia transmission etc., and the participant of session can be a side or in many ways.Interface between application server and the soft switch adopts Session Initiation Protocol to set up, end, manage session end to end.Session Initiation Protocol adopts text formatting, has very strong flexibility and autgmentability, it is carried out simple necessary expansion just can support every new business and IN service easily.Application server can control and soft switch between the SIP service request, service request can be that soft switch is initiated, and also can be that application server starts.After application server was received service request from soft switch, application server called correspondent service logic according to the information that obtains.
At present when the signatory IN service of user, soft switch is initiated request to application server, application server is carried out service logic, trigger for fear of the IN service circulation, application server returns to the IN service information that soft switch this time triggers, and soft switch is by the low IN service of the follow-up priority of this IN service information inquiry.Because soft switch is reported to the calling of application server and application server to carry out the calling that sends after the Business Processing, in soft switch being two independently calls out, soft switch can't judge whether number changes, therefore no matter whether number changes, the number that soft switch all can be returned according to application server and the low business of IN service information inquiry triggering following priority of this triggering.Like this, just have some problems when the IN service loop nesting: calling number changes after application server processes intelligent dialing business, application server is sent out INVITE (invitation) message to soft switch, the IN service information that has new calling number and this triggering in this INVITE, soft switch is lower than this professional IN service according to the IN service information of this triggering, the signatory priority of the new caller of inquiry and triggers, and the signatory priority of so new calling number is higher than that this professional intelligent dialing is professional just can't to be triggered; Called number changes behind the application server processes called intelligent service, application server is sent out INVITE to soft switch, the IN service information that has new called number and this triggering in this INVITE, soft switch is according to the IN service information of this triggering, inquire about called signatory priority and be lower than this professional IN service and trigger, the signatory priority of so new called number is higher than this professional called intelligent service and just can't triggers.
Summary of the invention
The technical problem to be solved in the present invention provides the method that a kind of nesting intelligent service in broad band is realized, solves after changing through the application server number problem that the partly signatory IN service of new digit can't be realized.
In order to solve the problems of the technologies described above, the invention provides the method that a kind of nesting intelligent service in broad band is realized, comprise following steps:
(a) soft switch sends call request to application server, carries the IN service information that this time triggers;
(b) after application server is received call request, carry out service logic, carry out Business Processing;
(c) application server judges whether number changes, and call answering is sent to soft switch, carries described number in the described call answering and whether changes information, also carries the IN service information that this time triggers;
(d) after this call answering is received in soft switch, according to the information of carrying in the call answering, when being judged as the change of intelligent dialing operation flow and calling number, soft switch is according to the calling number inquiry business after changing and trigger, be judged as called intelligent service flow process and called number when changing, soft switch is according to the called number inquiry business after changing and trigger.
Further, said method also can have following characteristics, the preceding step that comprises of described step (a), the IN service information that the soft switch inquiring user is signatory.
Further, said method also can have following characteristics, if soft switch has local Visited Location Registor VLR function, in this locality or the signatory IN service information of attaching position register HLR inquiring user; If soft switch does not have local VLR function, to the signatory IN service information of HLR inquiring user registration.
Further, said method also can have following characteristics, and in the described step (c), whether described number changes information is indicated by the number change flag in the call answering.
Further, said method also can have following characteristics, and in the described step (c), if be the intelligent dialing operation flow, application server judges whether calling number changes, and carries described calling number in the described call answering and whether changes information.
Further, said method also can have following characteristics, and in the described step (c), if be the called intelligent service flow process, application server judges whether called number changes, and carries described called number in the described call answering and whether changes information.
Further, said method also can have following characteristics, and described call answering is for inviting INVITE.
Further, said method also can have following characteristics, and described IN service information is service access code, perhaps service key and test point.
Further, said method also can have following characteristics, in the described step (d), soft switch is judged as the intelligent dialing operation flow and calling number does not change, according to former calling number and the last IN service inquiry business that triggers and trigger, soft switch is judged as the called intelligent service flow process and called number does not change, according to original called party number and the last IN service inquiry follow-up business that triggers and trigger.
Further, said method also can have following characteristics, and in the described step (d), when soft switch was judged as intelligent dialing operation flow and calling number change, query requests was initiated in soft switch, carries the highest access code of caller priority in the request; When soft switch was judged as called intelligent service flow process and called number change, query requests was initiated in soft switch, carries the minimum access code of caller priority in the request.
The present invention compared with prior art has following technique effect: the invention solves in the present flexible exchanging network, can't trigger the problem of new digit partial service after changing through the application server number; The present invention does not need network is transformed, and makes full use of the extensibility of Session Initiation Protocol, and extended field represents whether change through number after the application server Business Processing; Implementation of the present invention is simple, flexible, is easy to realize.
Description of drawings
Fig. 1 is a flexible exchanging network networking schematic diagram among the present invention;
Fig. 2 is a performing step flow chart of the present invention;
Fig. 3 is the message flow chart of the embodiment of the invention.
Embodiment
Below with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.
The present invention program is as follows, and application server is the extended message field in being handed down to the INVITE of soft switch, carries expression calling number and the called number sign that whether changes.Soft switch (SS) is then adopted new calling number inquiry IN service if calling number changes and is calling service in the identification INVITE, and all signatory intelligent dialing business of so new caller can both be by querying triggering; If called number changes and is called service in the SS identification INVITE, then adopt new called number inquiry IN service, new so called all signatory called intelligent services can both be by querying triggering.
As shown in Figure 2, specific implementation step of the present invention is as follows:
Step 210, the IN service information that the soft switch inquiring user is signatory;
If soft switch has local VLR (Visitor Location Register, Visited Location Registor) function, the IN service information that can contract the local search user; If soft switch does not have local VLR function, to the signatory IN service information of HLR inquiring user registration.
Wherein, IN service information comprises service access code, perhaps service key and DP point business information such as (DetectionPoint, test points).
Wherein, calling procedure judges whether calling number changes, and called flow judges whether called number changes.Also can two all judge.Promptly can be with whether change information of called number, also can not be with calling procedure; Can be with whether change information of calling number to called flow, also can not be with.Described calling number whether change information or called number whether change information be not limited to and whether change flag bit or called number by the calling number in the INVITE and whether change flag bit and carry.
IN service information in the INVITE that step 250, soft switch are returned according to application server is judged as intelligent dialing operation flow and calling number when changing, and soft switch is according to the calling number inquiry business after changing and trigger; If for intelligent dialing operation flow but calling number do not change, by original flow process according to former calling number and the last IN service inquiry follow-up business that triggers and trigger.
Be judged as called intelligent service flow process and called number when changing, soft switch is according to the called number inquiry business after changing and trigger, if for called intelligent service flow process but called number do not change, by original flow process according to original called party number and the last IN service inquiry follow-up business that triggers and trigger.
As Fig. 1, in the intelligent network project, adopt the integrated data store of HLR as the signatory attribute of user, no matter whether soft switch possesses the networking which kind of agreement VLR function, soft switch and HLR adopt, whether application server is carried out professional back all clear and definite number in return messages and is changed, and so just can finish the realization of nested IN service when changing through the application server number.Here do not possess the VLR function with soft switch, and to adopt MAP+ (Mobile Application Part, MAP Extended Protocol) agreement between the HLR be that example explanation service inquiry triggers detailed process.
For guaranteeing professional correct querying triggering, need to consider following two problems simultaneously:
When calling number changes, application server bring soft switch for the logical number of new caller, the soft switch caller logical number that this is new is inquired about to HLR, do the physics number inquiry and cause inquiry error for preventing that HLR is mistakened as, the highest access code of intelligent dialing service priority of the whole network definition, soft switch access code+called logical number that new caller logical number, caller priority is the highest is inquired about to HLR, owing to inserted service access code before the called number, it has been logical number that HLR differentiates calling number, only needs inquiry IN service attribute.This access code is not the access code of certain specific transactions, when only being used for the calling number variation, uses during to the HLR inquiry.
When called number changes, soft switch with caller logical number, new called logical number when HLR inquires about, ask calling service and cause the calling service circulation to trigger for preventing the HLR false drop, access code that the intelligent dialing service priority is minimum of the whole network definition, soft switch is inquired about caller logical number, access code that caller priority is minimum+new called logical number to HLR, HLR inquires about called signing service information like this.This access code is not the access code of certain specific transactions, when only being used for the called number variation, uses during to the HLR inquiry.
Flow process with following user A calling party B is that example specifies the invention process method.The user A intelligent dialing business 1 of contracting, this service logic are carried out back calling number and are changed to C; The user C intelligent dialing business 3 of contracting, this service logic are carried out back calling number and are not changed; The user B called intelligent service 2 of contracting, this service logic are carried out back called number and are changed to D; The user D intelligent dialing business 4 of contracting, this service logic are carried out back called number and are not changed.
Shown in Figure 3 is the flow chart of the embodiment of the invention, specific as follows:
1, the intelligent dialing service inquiry triggers flow process
Step S101: caller initiates a call to soft switch, and soft switch is initiated query requests to HLR, carries caller A physical number, called B logical number;
Step S102:HLR inquires calling subscriber A and has registered intelligent dialing business 1, returns caller A logical number and intelligent dialing service access code A1 and gives soft switch;
Step S103: soft switch to the application server request of making a call, is carried caller A logical number, called B logical number and intelligent dialing service access code A1 as SSP (Service Switch Point, Service Switching Point) trigger intelligent business;
Step S104: after the application server processes service logic, and judge that calling number changes, becomes C from A, make a call to soft switch, carry new caller C logical number, called B logical number, intelligent dialing service access code A1, calling number change flag;
Step S105: soft switch is judged as calling procedure, judges that according to the calling number change flag calling number changes according to the intelligent dialing service access code of receiving, soft switch is initiated query requests to HLR, carries new caller C logical number, access code+called B logical number that caller priority is the highest;
Step S106:HLR inquires calling subscriber C and has registered intelligent dialing business 2, returns intelligent dialing service access code A2;
Step S107: soft switch is initiated request as the SSP trigger intelligent business to application server, carries caller C logical number, called B logical number and intelligent dialing service access code A2;
Step S108: after the application server processes service logic, and judge that number does not change, make a call, carry not change flag of caller C logical number, called B logical number, intelligent dialing service access code A2, number to soft switch;
Step S109: soft switch is initiated query requests to HLR, carries caller C logical number, the called B logical number of intelligent dialing service access code A2+;
Step S110:HLR inquiring calling has not had other IN service, inquires called subscriber B and has registered called intelligent service 3, returns called intelligent service access code A3.
If caller has other IN service, just continue to return the intelligent dialing service access code, soft switch triggers professional, inquires about to HLR again.
2, called intelligent service querying triggering flow process
Step S111: soft switch is initiated request as the SSP trigger intelligent business to application server, carries caller C logical number, called B logical number and called intelligent service access code A3;
Step S112: after the application server processes service logic, and judge that called number changes, becomes D from B, make a call to soft switch, carry caller C logical number, new called D logical number, called intelligent service access code A3, called number change flag;
Step S113: soft switch is judged as the called service flow process according to the called intelligent service access code of receiving and called number changes, soft switch is initiated query requests to HLR, carries caller C logical number, access code+called D logical number that caller priority is minimum;
Step S114:HLR inquires called subscriber D and has registered called intelligent service 4, returns called intelligent service access code A4;
Step S115: soft switch is initiated request as the SSP trigger intelligent business to application server, carries caller C logical number, called D logical number and called intelligent service access code A4;
Step S116: after the application server processes service logic, and judge that number does not change, make a call, carry not change flag of caller C logical number, called D logical number, called intelligent service access code A4, number to soft switch;
Step S117: soft switch is initiated query requests to HLR, carries caller C logical number, the called D logical number of called intelligent service access code A4+;
Step S118:HLR inquires about called other IN service that do not had, returns called physical number, and soft switch continues according to the physical number that returns.
Claims (10)
1, a kind of method of nesting intelligent service in broad band realization comprises following steps:
(a) soft switch sends call request to application server, carries the IN service information that this time triggers;
(b) after application server is received call request, carry out service logic, carry out Business Processing;
(c) application server judges whether number changes, and call answering is sent to soft switch, carries described number in the described call answering and whether changes information, also carries the IN service information that this time triggers;
(d) after this call answering is received in soft switch, according to the information of carrying in the call answering, when being judged as the change of intelligent dialing operation flow and calling number, soft switch is according to the calling number inquiry business after changing and trigger, be judged as called intelligent service flow process and called number when changing, soft switch is according to the called number inquiry business after changing and trigger.
2, the method for claim 1 is characterized in that, the preceding step that comprises of described step (a), the IN service information that the soft switch inquiring user is signatory.
3, method as claimed in claim 2 is characterized in that, if soft switch has local Visited Location Registor VLR function, in this locality or the signatory IN service information of attaching position register HLR inquiring user; If soft switch does not have local VLR function, to the signatory IN service information of HLR inquiring user registration.
4, the method for claim 1 is characterized in that, in the described step (c), whether described number changes information is indicated by the number change flag in the call answering.
5, the method for claim 1 is characterized in that, in the described step (c), if be the intelligent dialing operation flow, application server judges whether calling number changes, and carries described calling number in the described call answering and whether changes information.
6, the method for claim 1 is characterized in that, in the described step (c), if be the called intelligent service flow process, application server judges whether called number changes, and carries described called number in the described call answering and whether changes information.
7, the method for claim 1 is characterized in that, described call answering is for inviting INVITE.
8, the method for claim 1 is characterized in that, described IN service information is service access code, perhaps service key and test point.
9, the method for claim 1, it is characterized in that, in the described step (d), soft switch is judged as the intelligent dialing operation flow and calling number does not change, according to former calling number and the last IN service inquiry business that triggers and trigger, soft switch is judged as the called intelligent service flow process and called number does not change, according to original called party number and the last IN service inquiry follow-up business that triggers and trigger.
10, the method for claim 1 is characterized in that, in the described step (d), when soft switch was judged as intelligent dialing operation flow and calling number change, query requests was initiated in soft switch, carries the highest access code of caller priority in the request; When soft switch was judged as called intelligent service flow process and called number change, query requests was initiated in soft switch, carries the minimum access code of caller priority in the request.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009121284A1 (en) * | 2008-03-29 | 2009-10-08 | 华为技术有限公司 | A method, system and gateway for supplying intelligent service |
| WO2010145354A1 (en) * | 2009-06-15 | 2010-12-23 | 中兴通讯股份有限公司 | Method and device for triggering nested service |
| CN102143153A (en) * | 2010-12-21 | 2011-08-03 | 华为技术有限公司 | Broadband service nesting method and device, and service application server |
| CN102547484A (en) * | 2010-12-31 | 2012-07-04 | 中国移动通信集团浙江有限公司 | Intelligent network service nesting method, system and service broker |
-
2007
- 2007-07-16 CN CN2007101305524A patent/CN101094088B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009121284A1 (en) * | 2008-03-29 | 2009-10-08 | 华为技术有限公司 | A method, system and gateway for supplying intelligent service |
| US8929357B2 (en) | 2008-03-29 | 2015-01-06 | Huawei Technologies Co., Ltd. | Method, system and gateway for supplying intelligent service |
| WO2010145354A1 (en) * | 2009-06-15 | 2010-12-23 | 中兴通讯股份有限公司 | Method and device for triggering nested service |
| US8989176B2 (en) | 2009-06-15 | 2015-03-24 | Zte Corporation | Method and device for triggering nested service |
| CN102143153A (en) * | 2010-12-21 | 2011-08-03 | 华为技术有限公司 | Broadband service nesting method and device, and service application server |
| CN102143153B (en) * | 2010-12-21 | 2014-04-02 | 华为技术有限公司 | Broadband service nesting method and device, and service application server |
| US8761058B2 (en) | 2010-12-21 | 2014-06-24 | Huawei Technologies Co., Ltd. | Broadband service nesting processing method and device, and service application server |
| US8761057B2 (en) | 2010-12-21 | 2014-06-24 | Huawei Technologies Co., Ltd. | Broadband service nesting processing method and device, and service application server |
| CN102547484A (en) * | 2010-12-31 | 2012-07-04 | 中国移动通信集团浙江有限公司 | Intelligent network service nesting method, system and service broker |
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| Publication number | Publication date |
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| CN101094088B (en) | 2010-08-18 |
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