CN1208975C - SCF system for supporting multi-protocol unloadable in intelligent network system - Google Patents
SCF system for supporting multi-protocol unloadable in intelligent network system Download PDFInfo
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Abstract
The present invention provides an SCF system for supporting disassembling multiple protocols in an intelligent network. The existing SCF system of an intelligent network does not support processing multiple kinds of protocols, and an SCSM module in the SCF system has complicated functions to be not beneficial to expansion of protocols in future. The SCF system for supporting disassembling multiple protocols of the present invention supports processing multiple kinds of protocols, simplifies the functions of the SCSM module and separates relevant processing of protocols from relevant logic calls of service, and thereby, the development and the opening of service functions become possible, and the present invention conforms to the developing direction of the opening of the intelligent network in future.
Description
Technical field
The present invention relates to the Service Control Function system of Service Control Point member in the intelligent net system, relate in particular to a kind of intelligent net system that is used for and support multi-protocols and service control function system detachable, Extended Protocol.
Background technology
Intelligent network is a kind of by adopting the thought of exchange and service detach, set up a whole set of service definition (promptly generate), explain (i.e. operation) and management system, thereby the system of abundant telecommunication service can be provided on public switched telephone network (PSTN), global system for mobile communications communication networks such as (GSM) fast, economically.
The general structure of intelligent net system as shown in Figure 1.Intelligent network generally comprise service creation environment (SCEP) 11, SMAP (SMAP) 12, service management point (SMP) 13, settlement center 14, Service Switching Point system 16, SCP unit 15, ip intelligent peripherals (IP) 17, PSTN net 18, business management system (SMS), etc. several parts form.Wherein, SSP unit 16 is the tie points that connect existing PSTN net 18 or mobile network and intelligent network, and the function that inserts intelligent network function collection is provided.SCP unit 15 is service control points, and its major function is to start different service logics according to the call event of offering on the SSP unit 16, sends the calling control command according to service logic to corresponding SSP unit 16, thereby realizes various intelligent calls.IP unit 17 is the special resources of having assisted IN service, has various phonetic functions usually, and as phonetic synthesis, the playback notice receives DTMF pulsing, carries out speech recognition or the like.The SMS unit is a business management system, generally has functions such as service logic management, Service Data Management, user data management, professional monitoring.Service creation environment (SCEP) unit 11 is business development environment, can generate new service logic according to client's demand.
In traditional intelligent net system, different because of the difference of network type as the unit, service control point (SCP) 15 of intelligent network core component.Can handle the intelligent call of landline telephone as the SCP unit of fixed intelligent network; Be based upon intelligent network SCP on the wireless network and can handle the intelligent call of mobile phone.Because the agreement that heterogeneous networks adopted generally all is different, what adopt as fixed intelligent network is the Intelligent Network Application Protocol Intelligent Network Application Protocol, and the gsm wireless intelligent network generally adopts mobile network to strengthen logic formulation application (CAMEL) applying portion (CAP) agreement, therefore in traditional intelligent network, single SCP unit 15 does not generally possess the function of handling various protocols simultaneously.Wherein restrict SCP unit 15 and support that the one of the main reasons of the function of various protocols is the system configuration of SCP unit 15, because Service Control Function is mainly finished in SCP unit 15.More typical SCF system configuration as shown in Figure 2, by Function Entity Access Management FEAM (FEAM) unit 21, professional control and management control centre unit (SCME-Control) 22, Service Control State Machine unit (SCSM) 23, service control function management entity unit (SCME) 24 constitutes, FEAM unit 21 is responsible for setting up and keeping and Service Switching Function (SSF) 41, Service Resource Function (SRF), the interface of service data function (SDP) 51, will be from SSF unit 41, the SRF unit, the message that SDP unit 51 is received passes to 22 regulation and control of SCME-Control unit, the inside story of SCF unit is formatd, queuing, and send to SSF unit 41, the SRF unit, SDP unit 51; SCME-Control unit 22 is control centres of SCF unit, and it is responsible for various message in the dispatching patcher, is in charge of each SCSM unit 23, and timing function is provided; SCSM unit 23 is responsible for calling correspondent service logic and is handled (SLP) and SSF FSM reciprocation, finishes one and calls out control; Single Association Control Function (SACF) mainly is responsible for protocol message is converted to the inside story of SCF unit, offers SCSM unit 23 and handles.Wherein SCSM unit 23 generally all is to handle certain single agreement, as INAP, CAP etc., do not possess the function of handling various protocols simultaneously, therefore and, be actually and protocol processes function and service logic are carried out function be mixed in and realize in the SCSM unit 23 because service logic program will be responsible for calling in SCSM unit 23.
From foregoing as can be known, there is following defective in present SCF system configuration:
(1) because the SCF structure does not support to handle various protocols,, thereby might need to build intelligent network SCP respectively, increase operator's cost for different network types so single SCP can't support the intelligent network call of different agreement simultaneously.
(2) call-handling capability and service logic execution function need be finished in the SCSM unit, and this makes that the SCSM function is complicated, and has strengthened the realization difficulty, and makes that the coupling of system is bigger, is unfavorable for the expansion of system, especially is unfavorable for protocol extension in the future.
(3) structure of SCF does not meet the service logic execution function of following intelligent network and the development trend that the protocol processes function is separated from each other.
Summary of the invention
At problems of the prior art, one of purpose of the present invention will provide a kind of intelligent net system that is used for to support the dismountable SCF system configuration of multi-protocols exactly, make single SCF can realize support, make the dismounting of agreement and newly-increased convenient simultaneously various protocols.Another object of the present invention is being separated with protocol-dependent processing capacity and business logic processing function SCSM unit 23, this had both improved the blocking degree of system, guaranteed the stability of system again, reduced the system maintenance cost, make professional exploitation opening become possibility, thereby meet the open developing direction of following intelligent network more.
The present invention realizes by following method:
A kind of intelligent net system that is used for is supported the dismountable Service Control Function of multi-protocols system, and described SCF system comprises as lower unit:
Unit, professional control and management control centre (SCME-Control) 22 is responsible for the message of other unit in the scheduling SCF system, and is created dissimilar automaton interfaces for other cell call;
The message from described SCF system outside be responsible for to be accepted in Function Entity Access Management FEAM (FEAM) unit 21, passes to 22 scheduling of SCME-Control unit after the decoding, and the message of described SCF internal system is sent to SCF system outside after encoded;
Multiple association control function and Single Association Control Function (MACF﹠amp; SACF) unit, wherein, different agreements is distinguished according to the application context (ACN) of protocol operation in MACF unit 31, calls the SACF of different agreement; After the SACF of each different agreement is converted to SCF internal system message to initialization test point (IDP) source codec that sends from SCF system outside, create and the corresponding SCSM automaton 23 of each agreement, and the inside story that will send outside the SCF system is converted to the external message that can issue, and management of dialogs chained list; The MACF unit 31 of described SCF system has only an overall example, and the SACF unit is corresponding with each agreement.
Service Control State Machine (SCSM) automaton 23 is responsible for and is called out relevant processing, each different agreement SACF created and the corresponding SCSM of each agreement unit 23 establishment Service Logic Processing Instances (SLPI), 33 automatons; The SCSM unit 23 of described SCF system is corresponding with each agreement respectively.
Service Logic Processing Instance (SLPI) automaton 33 is responsible for service logic and is carried out, and by calling business logic processing SLP, controls whole calling procedure; For each intelligent call, described SCF system all creates a SLPI automaton 33 and calls the SLP unit.The SLPI automaton 33 of described SCF system calls the functional entity function (FEA) of each SIB unit.
Service logic program management (SLP) unit 34 is responsible for loading and managing all available business logic processing, and provides interface for 33 visits of SLPI unit;
General SIB and protocol-dependent SIB are mainly managed in service independent block management (SIB) unit 35, and provide interface for 33 visits of SLPI unit.
Three internal interfaces are realized the reciprocation between call treatment and the service logical calling below needing to increase between the SCSM automaton 23 of described SCF system and SLPI automaton 33:
1) dialogue deletion notification message, the byte number of described message are 4, type is INTERGER, field DlgType by name, are used for describing dialogue types; And the byte number of described message is 1, type is UNSIGNED CHAR, field AbortReason by name, is used for describing the termination of a session reason;
2) SCSM state of automata error notification message comprises that a byte number is 4, type is INTERGER, field InvokeID by name, is used for calling ID, indicates the operation that causes StateError;
3) the SCSM automaton discharges notification message, and parameter is empty.
From the SCF system configuration of the support multi-protocols of the invention described above as can be seen, the SCF system configuration scheme of the present invention's design, processing capable of supporting several protocols is the basis of the SCP of exploitation integrated treatment various protocols; Can support to unload flexibly and easily or add one or more agreements, thereby satisfy various clients' demand, and can shorten 15 construction cycles of SCP unit, save and build the intelligent network cost, because and protocol-dependent unit is respectively MACF unit 31/SACF, SCSM unit 23 and SIB unit 34, a kind of agreement support of new if desired expansion only needs design and adds corresponding SACF unit, SCSM unit 23 and SIB unit to get final product, and increases and to unload one or more agreements all very convenient; Do not need to revise the unit with protocol-independent during Extended Protocol, improved the stability of system, saved the cost of building intelligent network.15 construction cycles of SCP unit have been shortened; In SCF, service logic execution function and call-handling capability are separated, open development trend is moved towards in the exploitation that has adapted to following business, so just make intelligent equipment provider be absorbed in the exploitation of platform capabilities, IN service then can be by operator or third company's exploitation, this is very favorable to quick release IN service, the application of enriching intelligent network, thereby has brought the situation of all-win such as equipment supplier, telecom operators and third party's IN service development company.
Description of drawings
Fig. 1 is the intelligent network architecture.
Fig. 2 is traditional SCF system configuration.
Fig. 3 is the dismountable SCF system configurations of multi-protocols of the present invention.
Fig. 4 is the INAP signaling process figure of intelligent call example of the present invention.
Fig. 5 is that multi-protocols of the present invention are handled the intelligent network structure.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples.
The dismountable SCF structure of support multi-protocols of the present invention as shown in Figure 3, the dotted arrow among the figure is represented the sending direction of message between the unit.The SCF system is made of SCME-Control unit 22, FEAM unit 21, MACF/ SACF unit 31 and 32, SCSM23 automaton, SLPI33 automaton, SLPs unit 34, SIBs unit 35.Below each unit is elaborated.
SCME-Control unit 22 is control centres of SCF system, and the message of FEAM unit 21, MACF unit 31, SCSM23 automaton and SLPI33 automaton all will be through the scheduling of SCME-Control unit 22.SCME-Control unit 22 also provides has created dissimilar automaton interfaces for cell calls such as SACF unit, FEAM unit 21, and as the calling for Intelligent Network Application Protocol, the SCSM automaton of an INAP is created in the SACD_INAP unit.
FEAM unit 21 is functional entity access units, mainly is to be responsible for receiving outside next message with being responsible for inside story to be sent to the outside.To the message that the outside is come, receive the back source codec, pass to SCME-Control unit 22 then, and then other cell processing is given in scheduling.To the message that inside will send, encode earlier, send to other entity then.
The application context name (CAN) that MACF unit 31 is responsible for according to protocol operation is distinguished different agreements, and calls SACF unit 32 processing of different agreement; 32 of the SACF unit of different agreement are responsible for the operation of sending from external entity (as the INAP of TCAP carrying) is converted to inside story, create and the corresponding SCSM automaton of each different agreement, or the inside story that will outwards send transfers the external message that can issue to, and is in charge of the dialogue chained list.MACF unit 31 has only an overall example, SACF unit 32 then respectively with each agreement correspondence.
The SCSM23 automaton mainly is be responsible for to call out relevant processing, does particular processing as metered call status of processes and transfer process with to some special protocol operations.After receiving initialization test point IDP message with the corresponding Service Control State Machine SCSM of each agreement automaton, the state transitions of Service Control State Machine SCSM automaton arrives and the normal state of interaction of service switching point system, and create Service Logic Processing Instance SLPI automaton, initialization test point IDP message is sent to Service Logic Processing Instance SLPI automaton continues to handle.The execution of the not responsible service logic of SCSM23 automaton.Because SACF just creates a SCSM23 automaton when receiving the operation of initialization test point InitialDP, and the operation of different protocol call state models and definition is different, therefore need be SCSM23 automaton of each design of protocol.
The SLPI33 automaton is to be responsible for the unit that service logic is carried out, and it and concrete protocol type have nothing to do.For each intelligent call, need create a SLPI33 automaton example respectively, by calling business logic processing SLP, control whole calling procedure.The SLPI33 automaton can be used as the wrapper function unit and is developed.
In addition, in the SCF system, because the processing of calling is responsible in SCSM unit 23, and the SLPI33 automaton is responsible for the execution of service logic, except calling out necessary protocol operation, the SLPI34 automaton also must be done particular processing according to some state informations of calling out, and as discharged dialogue when the SCSM23 automaton after, the SLPI33 automaton should need to know whether this action will call SLP with decision and handle accordingly.Realize reciprocation between call treatment and the service logical calling so also must add some internal interfaces between SLPI33 automaton and two automatons of SCSM23 automaton, these interfaces are expressed as follows.
1. notification message (id_DlgDeleted) is deleted in dialogue
| Field name | Byte number | Type | Describe |
| DlgType | 4 | INTEGER | Dialogue types |
| AbortReason | 1 | UINSIGNED?char | The session termination reason |
2.SCSM state of automata error notification message (id_SCSMStateError)
| Field name | Byte number | Type | Describe |
| InvokeID | 4 | INTEGER | Call ID, indicate the operation that causes StateError |
3.SCSM automaton discharges notification message (id_ProtocolFSMDeleted), the message parameter of this message is empty.
As shown in Figure 4, present embodiment illustrates the operation principle of supporting the dismountable SCF of multi-protocols system with the INAP signaling process of a simple intelligent call example.
At first, as follows to each operating instruction that relates to the INAP signaling;
IDP:InitialDP promptly when SSF detects an intelligent call, sends to first start-up operation of SCF.
RRBE:Request Report BCSM Event, SCF please report the BCSM incident in SSF unit 41, as calling/called on-hook.
CONN:Connect, attended operation is used to be connected to called.
EBR:Event BCSM Report, the BCSM reporting events.
RC:Release Call please the SSF call release.
Secondly, further specify the operation principle of the SCF system of multi-protocols by the INAP signaling process.
As shown in Figure 4, the SCF system configuration is made of FEAM unit 21, MACF unit 31, SACF-INAP unit 42, SCSM-INAP automaton 43, SLPI automaton 33.The INAP signaling process of intelligent call example is as described below:
An intelligent call is initiated, and SSF has detected intelligent call, sends IDP message to the SCF system;
IDP message is received in FEAM unit 21, handles sending to MACF unit 31 by 22 scheduling of SCME-Control unit behind this source codec;
MACF unit 31 is Intelligent Network Application Protocol in the present embodiment according to the application context name (CAN) of the protocol operation in the IDP message, and then calls SACF_INAP unit 42 and handle;
The further decoding of IDP message is at first finished in SACF_INAP unit 42, create SCSM_INAP automaton 43 then, SCSM_INAP automaton 43 current call state when creating automaton is set to init state, and IDP message is sent to SCSM automaton 23 handles.
After SCSM_INAP automaton 43 was received IDP, current call state was transferred to and the normal state of interaction in service switching point, and created the SLPI33 automaton, finished processing back IDP and was sent to SLPI33 automaton continuation processing.
The SLPI33 automaton receives that the service key information searching that carries according to IDP behind the IDP arrives corresponding SLP, and begins to carry out this SLP; When carrying out the SIB that issues the RRBE operation, request sends RREB.
The RRBE operation is sent to SCSM_INAP automaton 43, and operation is transmitted to 31 processing of MACF unit after doing suitable processing to SCSM_INAP automaton 44 again according to RRBE.
MACF unit 31 calls the 42 pairs of RRBE operations in SACF_INAP unit and encodes, and is transmitted to FEAM unit 21 after handling again and sends to SCF system outside.To CONN and RC operation that the SLPI33 automaton issues, handling process is operated with RRBE.The EBR that SSF is sent to SCF operates, and handling process is operated with IDP.
Although by the INAP signaling process operation principle of supporting the dismountable SCF of multi-protocols system is described when present embodiment just uses Intelligent Network Application Protocol to intelligent call, but and the INAP signaling process is similar, the dismountable SCF of support multi-protocols of the present invention system can support to handle the employed INAP of intelligent call in the intelligent network simultaneously, CAP, various protocols such as MAP, and described SCF structure is by being separated protocol processes function and logic of business functions, reduced the complexity of system, be convenient to the increase or the dismounting of agreement in the future, promptly expand a kind of new agreement support if desired, only need design and add SACF unit that should New Deal, the SCSM automaton, the SIB unit gets final product, and the SLPI automaton, the SLP unit according to the actual requirements, can be used as the outsourcing unit and be developed, and then make professional exploitation move towards open.
In the intelligent net system of an energy integrated treatment various protocols, support the single SCP of the dismountable SCF system configuration of multi-protocols to be connected with a plurality of dissimilar SSP, thereby make SCP can insert the intelligent call of handling multiple different agreement, its network configuration as shown in Figure 5.
Comprise SCEP unit 11, SMAP unit 12, SMP unit 13, SCP unit 15, SDP unit 51, SS7 unit 52, AIP unit 53, SSP/IP unit 16/17, MSC/gsmSSP/IP unit, HLR unit 54 in the intelligent network network configuration of Fig. 5, SCP unit 15 is connected by SSP/IP unit 16/17, the MSC/gsmSSP/IP unit of wireless network, the HLR unit 54 of No.7 nation-wide Network (SS7) unit 52 and (enhanced smart peripheral hardware) AIP unit 53, fixed network.What the intelligent call between SCP unit 15 and the fixed network SSP unit 16 used is Intelligent Network Application Protocol; What use between SCP unit 15 and the gsmSSP is CAMEL Application Part; What use between SSP unit 16 and HLR unit 54, the MSC is MAP.Because SCP unit 15 possesses the dismountable SCF system configuration of the multi-protocols of support, so just can insert and handle the intelligent call of different agreement simultaneously on single SCP unit 15, has reduced operator's cost effectively.
Claims (6)
1, a kind of intelligent net system that is used for is supported the dismountable service control function SCF of multi-protocols system, it is characterized in that, described service control function SCF system comprises as lower unit:
The message of other unit in the dispatching services controlled function SCF system is responsible in SCME-Control unit, professional control and management control centre, and creates dissimilar automaton interfaces and supply other cell call;
Function Entity Access Management FEAM FEAM unit, be responsible for to receive message from described SCF system outside, pass to the professional control and management SCME-Control of control centre cell scheduling after the decoding, and the message of described SCF internal system is sent to SCF system outside after encoded;
Multiple association control function MACF unit and Single Association Control Function SACF unit, wherein, different agreements is distinguished according to the application context ACN of protocol operation in multiple association control function MACF unit, calls the Single Association Control Function SACF unit of different agreement; After the Single Association Control Function SACF unit of each different agreement is converted to SCF internal system message to the initialization test point IDP source codec that sends from service control function SCF system outside, create and the corresponding Service Control State Machine SCSM of each agreement automaton, and the inside story that will send outside service control function SCF system is converted to the external message that can issue, and management of dialogs chained list;
Service Control State Machine SCSM automaton, be responsible for the processing relevant with calling, after receiving initialization test point IDP message with the corresponding Service Control State Machine SCSM of each agreement automaton, the state transitions of Service Control State Machine SCSM automaton arrives and the normal state of interaction of service switching point system, and create Service Logic Processing Instance SLPI automaton, initialization test point IDP message is sent to Service Logic Processing Instance SLPI automaton continues to handle;
Service Logic Processing Instance SLPI automaton is responsible for service logic and is carried out, and by calling business logic processing SLP unit, controls whole calling procedure;
Service logic program management SLP unit is responsible for loading and managing all available business logic processing, and provides interface for the visit of Service Logic Processing Instance SLPI automaton;
Service independent block management SIB unit is managed general service independent block management SIB unit and protocol-dependent service independent block management SIB unit, and is provided interface for the visit of Service Logic Processing Instance SLPI automaton.
2, a kind of intelligent net system that is used for shown in claim 1 is supported the dismountable SCF of multi-protocols system, it is characterized in that, the multiple association control function MACF unit of described service control function SCF system has only an overall example, and Single Association Control Function SACF unit is corresponding with each agreement.
3, a kind of shown in claim 1 is used for intelligent net system and supports the dismountable SCF of multi-protocols system, it is characterized in that, the Service Control State Machine SCSM automaton of described service control function SCF system is corresponding with each agreement respectively.
4, a kind of intelligent net system that is used for shown in claim 1 is supported the dismountable SCF of multi-protocols system, it is characterized in that, for each intelligent call, described service control function SCF system all creates a Service Logic Processing Instance SLPI automaton and calls service logic program management SLP unit.
5, a kind of intelligent net system that is used for shown in claim 1 is supported the dismountable SCF of multi-protocols system, it is characterized in that the Service Logic Processing Instance SLPI automaton of described service control function SCF system calls the functional entity function F EA of each service independent block management SIB unit.
6, a kind of intelligent net system that is used for shown in claim 1 is supported the dismountable SCF of multi-protocols system, it is characterized in that three internal interfaces are realized the reciprocation between call treatment and the service logical calling below needing to increase between the Service Control State Machine SCSM automaton of described service control function SCF system and Service Logic Processing Instance SLPI automaton:
1) dialogue deletion notification message, the byte number of described message are 4, type is INTERGER, field DlgType by name, are used for describing dialogue types; And the byte number of described message is 1, type is UNSIGNEDCHAR, field AbortReason by name, is used for describing the termination of a session reason;
2) Service Control State Machine SCSM state of automata error notification message comprises that a byte number is 4, type is INTERGER, field InvokeID by name, is used for calling ID, indicates the operation that causes StateError;
3) Service Control State Machine SCSM automaton discharges notification message, and parameter is empty.
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| CN101001398B (en) * | 2007-01-17 | 2011-05-04 | 华为技术有限公司 | Method, system and equipment of remote service logical calling access SCP control logic |
| CN101404656A (en) * | 2008-11-04 | 2009-04-08 | 深圳中兴力维技术有限公司 | Software interface design method for communicating with third party intelligent equipment protocol |
| CN101635717B (en) * | 2009-08-21 | 2012-07-04 | 中国科学院软件研究所 | Processing method and processing system of novel component-based network protocol |
| CN102231889B (en) * | 2011-07-18 | 2013-12-04 | 华为技术有限公司 | Business logic processing method and device and communication system |
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