CN1710966A - Intelligent external system based on control and use separation and having business generation ability - Google Patents
Intelligent external system based on control and use separation and having business generation ability Download PDFInfo
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Abstract
The system of intelligent peripheral equipment includes software and hardware. The software is a TINA distributed structured layer architecture composed of four layered modules including service layer, control layer, adaptation layer and resources layer, and management system. Each layer is a self-contained system inside the layer. Legible Interfaces between each layer and system are capable of implementing smart loading application and collocating resources so that it is easy to expand. Hardware includes at least front-end exchange and console, control node, resource node, management node, service generation node, and calling and carrying gateway. Through LAN, the said hardware devices are connected to each other. Internal message is transferred through TCP/IP protocol. Through modules, control capabilities, as well as ruing platform and interfaces, the system is able to supply multifold value added services of intelligent network, or as independent service node.
Description
Technical field
The present invention relates to a kind of novel Telecommunication network equipment, exactly, relate to a kind of be used for intelligent network separate, have the intelligent independent peripheral system of business generation ability based on control with using, belong to the communicator technical field in the intelligent network.
Background technology
Intelligent peripheral (IP, Intelligent Peripheral, claim again: ip intelligent peripherals or intelligent independent peripheral) be intelligent network (IN, Intelligent Network) essential functional entities in, be used to finish various specialized resource functions (SRF, Special Resource Function), provide various private resource services to the terminal use of intelligent network, as issuing prompt tone, receive subscriber dialing or the like to the user.In the early stage of development of intelligent network, because IN service is fairly simple to the demand of specialized resource function, the function of SRF often is integrated among the operation exchange node SSP (Service Switch Point), provides the device that sends prompt tone and collect user profile to network by switch.At present, common various SSP products generally all have the SRF function on the market.
Along with the development of intelligent network business, the service logic of some new business is increasingly sophisticated, require to support frequent simultaneously and control relative complex with the interactive operation user.This has just caused strengthening the demand of SRF function.SRF no longer is the sort of digit receiver that simple prompt tone and DTMF only are provided of past, and to strengthen its function from two aspects: the one, SRF will have the ability of operating part service logic, so just can be independent of the control of service control node SCP (Service Control Point), direct and user carries out complex interaction.Two provide more attracting private resource, such as the reception/transmitting apparatus of voice, data, image and speech recognition apparatus etc.The SRF function of this enhancement mode is the needs of future communications business development, and increasing intelligent network value-added service requires SRF to have neatly control ability with user interactions, and jumbo speech is handled and storage capacity.
At present, along with the develop rapidly of various value-added services, business tine is enriched constantly, because node SCP in the intelligent network and SSP function relative standard standard, the adaptability of business just is restricted.On the other hand, on the professional abundant demand that concentrates on mostly resource, for example, moving the personalized ring back tone service of opening is exactly affluent resources and the control ability that has made full use of the intelligent network independent peripheral.But method and controlled function that present existing most of ip intelligent peripherals provide are all relatively limited, are peripheral hardwares that compares " moronism ".Main cause has two: the one, and for service is provided fast, present most of ip intelligent peripherals is all selected the method for realization easily, will inevitably support the following integral body of using to consider deficiency to this external device like this; The 2nd, if too many controlled function is increased in ip intelligent peripherals, the software architecture that neither one is suitable is supported again, will influence the operating efficiency of this ip intelligent peripherals.Bring problems will for like this providing of intelligent network business: the function of ip intelligent peripherals is subjected to concrete professional demand to influence bigger, rich in natural resources is used underaction, timely, reliable, and the unification that skimble-scamble each ip intelligent peripherals of function can directly influence its business provides; Adaptive capacity to next generation network is poor, does not have perfect relatively realization standards and norms; Become one of bottleneck of business development.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of separating with using of intelligent network that be used for based on control, intelligent external system with business generation ability, this system has solved above-mentioned prior art problems preferably, by the abundant adaptability of using and strengthening resource, can be quicker, flexibly, in time, the resource of various demands is provided for corresponding service reliably, can also carry out abstract and unified exploitation is provided service logic, editor, the hardware environment that debugging and explanation are carried out, strengthen and improve the ability of this independent peripheral system, can satisfy and adapt to the demand that develops rapidly of next generation network preferably.
In order to achieve the above object, the invention provides a kind of be used for intelligent network based on control and use the intelligent independent peripheral system separate, have business generation ability, form by software and hardware; It is characterized in that:
The software of this system adopts the layer architecture of the distributed frame of telecom information network system TINA: be made up of operation layer, key-course, adaptation layer and four layers of software module of resource layer and data system and management system, establish one's own system in every layer of inside, interface between at all levels and system is clear, can realize the flexible loading of using and the flexible configuration of resource, help the expansion of system applies; Wherein:
Operation layer as the application that exists with the miscellaneous service form, is presented as service logic and business datum at this layer; Its software module comprises the editing machine of service logic and data at least, compiler, debugger and simulator;
Key-course, core as software systems, i.e. Ye Wu execution environment, contain and carry out the required various support functions of service logic, its function comprises selection, scheduling and the management of service logic at least, the network side call event of offering according to preceding end switch starts correspondent service logic, realizes various intelligent calls;
Adaptation layer, hardware resource management device by concrete network of shielding and hardware resource details is formed, be responsible for the registration of all resources and message flow, carry out the coding and decoding function, the protocol conversion that all kinds of resources are provided becomes the general internal unity message with API API (Application Programming Interface) function representation to pass to service logic execution environment, make professional operation be independent of concrete network and hardware resource, realize the opening and the versatility of system;
Resource layer, comprise all kinds of resources that system provides and the driver of resource, resource type includes but not limited to the transmittability applying portion TCAP of signal resource, voice resource, fax resource, Signaling System Number 7 interoffice signaling ISDNYong Hubufen ISUP, carrying intelligent network application protocol INAP; Resource layer provides access, identification, connection control, maintenance management and the execution fault tolerance to above-mentioned resource;
Management system is responsible for service management, resource management, network management; Wherein service management is all business datum and a state of management; Resource management provides the ability of searching resource, takies/discharge resource, the various states of management resource, the action of control resource, and the access-in management of functional entity hardware; Network management is that connection, the running status of the hardware unit in the system in network managed.
Data system is responsible for this system the storage of various data and service logic, the function of management is provided;
The hardware unit of this system includes following based on local area network (LAN) LAN realization connection at least, and adopts the functional entity of ICP/IP protocol transmission inside story:
Preceding end switch and control desk thereof, increase corresponding signaling control module and constituted front end switching equipment-preceding end switch by finishing letter switch modern and the speech channel access, and terminal-front end Switch Console that this preceding end switch is configured and manages-form; As the interface of this system and public switched telephone network (PSTN), finish access, guiding, exchange and the call out function of subscriber phone; Should before be provided with the E1/T1 that speech channel is provided in end switch and the network between the SSP and be connected mutual path with the ISUP signaling, and be provided with the transmission channel of INAP signaling between the SCP;
Control Node CN adds that by server key-course and adaptation layer software module are constituted, and as the control centre of this intelligent external system, adopts the two-node cluster hot backup of shared disk array, and is provided with two network interface card redundancies in same station server, to guarantee reliable operation;
Resource node RN, add that by industrial computer or PC the integrated circuit board of various related resources and corresponding resource driver module thereof are constituted, comprise voice node VoiceNode, fax node FaxNode, literary composition language switching node TTS, automatic speech recognition node ASR and bridge joint resource at least; Being provided with between the resource node that voice wherein are provided and the preceding end switch provides the E1/T1 of speech channel to be connected;
Management node NMP, form by all-purpose computer as operation platform, maintenance management terminal as this intelligent external system, its function comprises service management, NM network management, data management, resource management, configuration management, statistics/measurement, log management, alarm monitoring and accounting management at least, also support the user to pass through the Web browser Access Management Access page, realize long-range access of NMP and maintenance;
The professional node that generates, add that by industrial computer or PC the operation layer software module forms, has the production environment of service logic-based on business development environment and the friendly simple graphical working interface of specific purpose tool collection ToolKit, so that according to user's request, generate the service logic of new business or existing service logic is made amendment by editor, emulation, debugging and process of compilation;
Calling/carrying gateway is responsible for realizing the intercommunication of intelligent network and IP data network, finishes calling/bearing function, and realizes that the modern conversion of both sides calling control letter cooperates, and finishes the control flow of whole calling jointly; Its with preceding end switch between be provided with and provide the E1/T1 of PCM speech channel to be connected;
Software module and control ability thereof by above-mentioned each difference in functionality, again by hardware unit as its operation platform and interface, this system can externally provide the multiple value-added service function of the intelligent network of setting or expanding as intelligent independent peripheral, perhaps as service node, independently finish the providing capability of value-added service, satisfy the application demand of intelligent network.
Software module editing machine in the described operation layer is responsible for providing service logic editor's interface and interface; Simulator is responsible for the implementation effect of service logic is simulated, so that effect and problem when service logic carried out are analyzed; The service execution environment that debugger is responsible for providing suitable with true environment is that business is debugged; Professional compiler is responsible for the business that edits is compiled, and generates the file format that service execution environment can be explained;
The software module of described key-course is responsible for externally providing by CCF the control of the whole calling procedure that comprises that at least call setup, user data query, call proceeding, playing alert tones, calling discharge; At least comprise system call, call out control virtual machine, system call, time queue, message queue; Wherein system call is the core of key-course, also is the core of whole intelligent external system;
The software module of described adaptation layer comprises the hardware resource management device at the different hardware type at least, is responsible for carrying out adaptive and management to each hardware resource; This manager adopts different software module independent process respectively to different resource, and each module can load and unload in system flexibly, satisfies system's flexibility adaptive to different resource; And the module that does not have a user is dynamic offloading then, and the assurance system is efficiently operation under lightweight;
The software module of described resource layer includes but not limited to the driving of speech, fax, seat, meeting, data terminal multiple hardwares resource at least;
The software module of described management system is responsible for normal, the reliability service state of this intelligent external system and data are managed and safeguard that management system can be independent of this intelligent external system;
Database in the described data system is used to store and manages this intelligent external system and move required Various types of data that comprises business datum, control data, user data at least and service logic.
The core of described operation layer is made up of OO business description language, professional compiler and service debugging device three parts, and this system adopts with C
++Language is the descriptive language of the OO business description language OO-SDL on basis as service logic.
Described operation layer is professional generation system: service logic and business datum are edited by visual interface by professional editing machine, be assembled into complete service logic, the program of need not regrouping just is configured to application; The service logic that edits is carried out the emulation execution by the business simulating device, finds that problematic part then finds concrete the very crux by the service debugging device, and the back of fixing a breakdown continues to debug in simulated environment; After service debugging is good, be stored as service scripts, by professional compiler the service logic file be compiled as the binary code that service execution environment can be discerned again, the good error diagnosis function of professional compiler, can endure strict scrutiny to calling function parameters for the user searches syntax error.
Be used as the multithreading virtual machine of calling out control in the described key-course and be all " virtual " computer by software realization, execute file code, this multithreading virtual machine is based upon on software platform and the operating system, constitute the instruction set of complete function with system call, provide necessary instrument for the user develops professional and writes the resource driver.
Described adaptation layer can drive and the conversion process module according to the different resource of business demand dynamic-configuration, to realize professional opening and versatility.
The interface of software module at all levels adopts inside story mechanism interaction message and adopts shared data mode Data transmission in this system: wherein adaptation layer provides API details to resource bid service and requirement service by resource layer; Adaptation layer and key-course are undertaken alternately by inside story, and this inside story is then undertaken alternately by shared drive and socket Socket connected mode; Each software module of operation layer is will describe the service scripts of business tine as data, promptly with data mode storage service content, reads and visits to supply with correlation module; The data interaction of key-course and operation layer is exactly to carry out data interaction by the service scripts that operation layer generates, these files are stored in the service logic database that adopts database mode storage service file, when the service call example is activated, key-course will call the execution that makes an explanation of corresponding file from professional logical data base.
End switch adopts the programmable switch of Open architecture to form before described, links to each other with upper end tandem exchange by multiple signaling, as the access device of this system; Its internal condition need dispose different integrated circuit boards and cabinet, supports hot plug, redundant configuration and comprises the various standard signaling protocols of ISUP, TCAP, TUP, R2 and PRI, has the advantages that high reliability, high throughput and business function enrich.
Adopt fault-tolerant software in the described Control Node CN server, when guaranteeing that a station server breaks down, it serves rapid handoff migration to another station server; Two data between nodes shift and adopt logical volume to shift; When the virtual disk management of fault-tolerant software can be guaranteed disk failure or booting operating system fault, still addressable data, and obtain to comprise online revised file system, dynamically adjust the senior disk management ability of magnetic disc i/o performance, dynamic equalization magnetic disc i/o passage, file system snapshot, significantly reduce the pressure of application system, help its high-efficient operation.
Described resource node RN is used to accept the order of Control Node CN, carries with preceding end switch to be connected, and control resource and user's access, takes out stitches, and sends voice suggestion to the user, and collection user's digital information also reports Control Node CN.
The function of described calling/carrying gateway also comprises: finish speech coding and packing, echo elimination, silence detection and the receiving end buffer memory is provided, support comprises the multiple speech coding agreement of G711, G723 and G729, and when the conversation beginning, gather charge information, when end of conversation or regularly the charging in the IP data network/authentication center transmits charge information, and be provided with the interface with Network Management Equipment, finish include but not limited to dispose, the function of statistics, fault inquiry, alarm.
The present invention be a kind of be used for intelligent network based on control and use the intelligent independent peripheral system separate, have business generation ability, its technical innovative characteristics is that this system can provide independent ancillary equipment simultaneously and professional service node independently is provided for intelligent network, software module and the supporting a plurality of communicators hardware environment formed of this system by setting up complete business execution/control, each service/application as concrete example and data, is loaded and run in it in soft, hardware environment of this system; And at different service/application, soft, hardware environment need not any change just can explain execution at once, and corresponding service ability externally is provided.In the adaptation of resource, adopt the method for every kind of resource independent adaptation and processing, make the processing independent completion of resource, multiple resource can simultaneously and/or be provided respectively; And under the complicated situation of network condition, still can adapt to the access and the disposal ability of multiple network protocol.
The The software stratification design philosophy of intelligent external system of the present invention, application, control, resource are rationally divided, realize the stratification software systems, application and control and resource are separated from each other, made things convenient for intelligent external system that application is provided flexibly, apace; Adopt the mode of service logic to carry out abstract to various application again, the basic module of service logic design is proposed, realized the application in the intelligent external system abstract for service logic and service logic edited, debugs and explain the process of execution, thereby can utilize the basic module of this service logic and related tool software thereof that service logic is carried out unified exploitation, editor, debugging, test; In addition, also designed unified service logic execution environment, unified to the service logic execution that makes an explanation; And adopt the unified resource adaptable interface to shield the influence of different resource to application layer.In addition, the resource adaptation layer that this system is provided with can be to key-course and different resource type and the forms of operation layer shielding, and adaptive by self provides unified interface to key-course and operation layer.Therefore, can expect: system of the present invention will be applied in intelligent network and next generation network widely; Especially at new application abundant in the next generation network, the present invention has good adaptability.
Description of drawings
Fig. 1 is the software systems hierarchical structure schematic diagram of intelligent external system of the present invention.
Fig. 2 is that the hardware unit of intelligent external system of the present invention is formed structural representation.
Fig. 3 is the processing procedure schematic diagram of UISscript of the present invention.
Fig. 4 is the professional compiling of a present invention schematic flow sheet.
Fig. 5 is that the multithreading virtual-machine architecture among the present invention is formed block diagram.
Fig. 6 is that the adaptation layer structure among the present invention is formed schematic diagram.
Fig. 7 is preceding end switch among the present invention and the interacting message mode schematic diagram between the Control Node.
Fig. 8 is that the resource node hardware architecture among the present invention is formed schematic diagram.
Fig. 9 is that system of the present invention provides when serving and external entity is carried out mutual sequential chart.
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 accompanying drawing.
The present invention be a kind of be used for intelligent network based on control and use the intelligent external system separate, have business generation ability, this system is made up of software and hardware, has the ability that like product does not possess in following various aspects, can satisfy the new application demand of network better: adopt expansion design for independent peripheral, and expand and realized the suggestion of ITU CS2 standard to the UIScript function of SRF, application is generated and load and execution fast with form of service; In large-scale communication software system, adopted the distributed software construction design method of TINA first, the technological frame of TINA has been used for the software systems of this intelligent external system; Realized that the complete business of a cover provides mechanism, this intelligent external system not only can provide the ability of the independent peripheral in the intelligent network, and the ability of service node can be provided simultaneously; Having satisfied on the basis of ITU to the demand of resource type, increased control to resources such as seats.Enriched requirement by agency mechanism to CS3 and data network intercommunication ability.
Referring to Fig. 1, introduce the present invention be used for intelligent network based on control and use the software architecture of the intelligent external system separate, have business generation ability: the layer architecture of the distributed frame of employing telecom information network system TINA, form by operation layer, key-course, adaptation layer and four layers of software module of resource layer and data system and management system, establish one's own system in every layer of inside, interface between at all levels and system is clear, can realize the flexible loading of using and the flexible configuration of resource, help the expansion of system applies; Wherein:
Operation layer as the various application that exist with form of service, is presented as service logic and business datum at this layer; Its software module comprises the editing machine of service logic and data at least, compiler, debugger and simulator; Wherein editing machine is responsible for providing service logic editor's interface and interface; Simulator is responsible for the implementation effect of service logic is simulated, thereby effect and problem when service logic carried out are analyzed; The service execution environment that debugger is responsible for providing suitable with true environment is that business is carried out debugging work; Compiler is responsible for the business that edits is compiled, and generates the file format that service execution environment can be explained.Owing to adopted the service concept of advanced intelligent network to design to operation layer, make the easier fast adaptation different application of software of system of the present invention, can in service execution environment, efficiently handle for business simultaneously and lay a good foundation.
Key-course, core as software systems, it is the execution environment of service logic, contain and carry out the required various support functions of service logic, at least comprise selection, scheduling and the management of service logic, the network side call event of offering according to preceding end switch starts correspondent service logic, realizes various intelligent calls; The module of key-course mainly comprises system call, calls out control virtual machine, system call, time queue and message queue; Wherein the system call that use was rationally arranged, controlled to various functional modules is the core of key-course, also is the core of whole intelligent external system.
Adaptation layer, hardware resource management device by concrete network of shielding and hardware resource details is formed, be responsible for the registration of all resources and message flow, carry out the coding and decoding function, the proprietary protocol that all kinds of resources are provided converts the general internal unity message of representing with the API api function to and passes to service logic execution environment, make professional operation be independent of concrete network and hardware resource, realize the opening and the versatility of system; Wherein the hardware resource management device adopts different module independent process to different resource, and module can load in system and unloading (referring to Fig. 6) neatly, can satisfy system's flexibility adaptive to different resource.Simultaneously, do not have user's the module can dynamic offloading, the assurance system is efficiently operation under lightweight.
Resource layer, comprise a plurality of different software and hardware resources (comprising letter the present, speech, fax, seat, data terminal etc.) that system provides and the driver of resource, signaling is supported Signaling System Number 7 interoffice signaling ISDNYong Hubufen ISUP, the transmittability applying portion TCAP of carrying intelligent network application protocol INAP, No. 1 signaling of China; Resource layer provides access, identification, connection control, maintenance management and the execution fault tolerance to above-mentioned resource.Resource layer is easy to support the increase of new resources simultaneously;
Management system is responsible for service management, resource management, network management; Wherein service management is all business datum and a state of management; Resource management provides the ability of searching resource, takies/discharge resource, the various states of management resource, the action of control resource, and the access-in management of functional entity hardware; Network management is that connection, the running status of the hardware unit in the system in network managed.Management system guarantees the running status and the data of this system's normal reliable are managed and safeguard that it can be independent of this system.
Data system is responsible for this system the required various data of system operation and the storage of service logic, the function of management is provided.
Referring to Fig. 2, the hardware that introduction the present invention is based on control and use to separate, has the intelligent external system of business generation ability is formed framework: include at least and followingly realize being connected based on local area network (LAN) LAN, and adopt ICP/IP protocol to transmit the functional entity of inside story:
Preceding end switch and control desk thereof, increase front end switching equipment-preceding end switch that corresponding signaling control module is constituted by finishing the switch that signaling and speech channel insert, and terminal-front end Switch Console that this preceding end switch is configured and manages-form; As the interface of this system and public switched telephone network (PSTN), finish access, guiding, exchange and the call out function of subscriber phone; Should before be provided with the E1/T1 that speech channel is provided in end switch and the network between the SSP and be connected mutual path with the ISUP signaling, and be provided with the transmission channel of INAP signaling between the SCP;
Control Node CN adds that by server key-course and adaptation layer software module are constituted, and as the control centre of this system, adopts the two-node cluster hot backup of shared disk array, and is provided with two network interface card redundancies in same station server, to guarantee reliable operation;
Resource node RN, add that by industrial computer or PC the integrated circuit board of various related resources and corresponding resource driver module thereof are constituted, comprise voice node VoiceNode, fax node FaxNode, literary composition language switching node TTS, automatic speech recognition node ASR and bridge joint resource at least; Being provided with between the resource node that voice wherein are provided and the preceding end switch provides the E1/T1 of speech channel to be connected;
Management node NMP, form by all-purpose computer as operation platform, maintenance management terminal as this peripheral system, its function comprises at least: the service management that all business datums and state are managed, the ability of searching resource is provided, take/discharge resource, the state of management resource (for example: busy/spare time/obturation etc.) and the resource management of control resource action, to connection status and the network management that manages such as running status in network of equipment or functional entity, data management, configuration management, statistics/measurement, log management, alarm monitoring and accounting management, also support the user to pass through the Web browser Access Management Access page, realize long-range access of NMP and maintenance;
The professional node that generates, add that by industrial computer or PC the operation layer software module forms, has the production environment of service logic-based on business development environment and the friendly simple graphical working interface of specific purpose tool collection ToolKit, so that according to user's request, generate the service logic of new business and service logic is made amendment by editor, emulation, debugging and process of compilation;
Calling/carrying gateway is responsible for realizing the intercommunication of intelligent network and this IP data network, finishes calling/bearing function, and realizes that the conversion of both sides call control signalling cooperates, and finishes the control flow of whole calling jointly; Its with preceding end switch between be provided with and provide the E1/T1 of PCM speech channel to be connected;
Software module and control ability thereof by above-mentioned each difference in functionality, again by hardware unit as its operation platform and interface, this system can externally provide the multiple value-added service function of the intelligent network of setting or expanding as intelligent independent peripheral, perhaps as service node, independently finish the providing capability of value-added service, satisfy the application demand of intelligent network.
Correlation function to the software systems of system of the present invention is further described below.
It is to guarantee that this system possesses the prerequisite of powerful professional providing capability that the business that system of the present invention provided is carried out function.Service logic among the present invention is to adopt to carry out improved based on the SRF service logic of the user interactions description (UserInteraction Script) that proposes among the CS2, making professional provides very quick, do not need to regroup program for new application, only the visualization interface by this system is combined into a complete service logic in a certain order as the assembly that plays with building blocks service logic, adds business datum again and just can make up and used.
The initial UIScript that proposes of CS2 is in order to reduce in a series of user interaction process (for example subscription authentication process) quantity of pass-along message between the ip intelligent peripherals and SCP.Former UIScript has only satisfied the application demand of intelligent network business to ip intelligent peripherals, and system of the present invention improves the UIScript method and expands, and makes it not only support service logic among the SRF, can support the complete logic of present all kinds of telecommunication services equally.
Its improvement comprises: the basic resources function of expansion UIScript: except the control ability to resource, can also comprise and call out control, data base querying, calling connection or the like; Can support the activation of ip intelligent peripherals inside story, and not only only support the message activation that SCP sends.
Referring to Fig. 3, introduce the processing procedure of the UIScript after improving, its concrete manifestation also is the processing procedure of a service logic: adopt the UIScript notion of CS2 definition, the content of UIScript is defined and describes, realize compiling and the execution environment of UIScript.In this intelligent external system, the formal description of the service logic that any application can comprise with UIScript.After introducing UIScript mechanism, the process of the intelligent network service that system of the present invention externally provides remains unchanged.
Providing on the business, the advantage of UIScript mechanism is: the load that IN service is handled has obtained sharing: SCP is responsible for route in the business, the control of the part of chargeing, and SRF is responsible for the control of user interactions part in the business.User interactions is controlled between business to be shared: the user interaction process with general meaning can be used by different business.Improved the response speed of user interactions: the message in the user interaction process between SCP and the ip intelligent peripherals reduces, and has shortened the processing time.Ip intelligent peripherals can provide the control ability of complete business simultaneously, and (Service-Node) carries out work as service node.
The software kernels of intelligent external system of the present invention is operation layer, key-course, adaptation layer.The specific implementation method of software has: (1) process instance: the key concept of telecommunication service, and it is the business of being created and being called by system kernel, business comprises: service logic, management logic and administrator terminal order.The basis of process instance operation is the virtual machine that system kernel provides.Example does not directly act on resource, and it passes through the operation of the resource transfer realization of system kernel to resource.(2) system kernel: system kernel is used to manage all process instances, hardware resource Inter-Process Communication, synchronous and resource allocation.The object that system kernel of the present invention comprises is all modules among Fig. 1.(3) driver: the hardware resource driver is responsible for being connected control operation and encoding and decoding with the communication of physical resource.It has shielded the difference of hardware in network configuration, signaling, for user's operational hardware provides unified interface.
The business development environment is the core of operation layer, comprises OO business description language, professional compiler and three independent sectors of service debugging device, and is wherein crucial for business description language and compiler, introduces it below respectively.
Service logic in the system of the present invention adopts the business description language to describe, and need be explained by service execution environment by the service logic of this language description and carry out.For guaranteed efficiency, the business description language adopts a kind of similar C
++OO business description language: OO-SDL.This language is fully studying existing telecommunication service descriptive tool, as the SIB of IN, and Step 1.1 SDL I.301, the structure of management information SMI of ISO uses for reference transparent object oriented language simultaneously and designs.The design principle of OO-SDL language is: can complete, clearly describe whole telecommunication services, can effectively utilize the multithreading virtual machine function of this system.
OO-SDL selects C
++Language mainly contains following consideration as basis and expansion:
From entire system, the software operation layer of this system is wanted fully to adapt to miscellaneous miscellaneous service and is described, promptly require OO-SDL to have general ability to express, simultaneously for describing the standard that telecommunication service has formed, SIB as IN, I.301 Step 1.1, OO-SDL also should have the function that reinterprets with corresponding conversion.Also require OO-SDL that implementation method to the hardware resource interface routine is provided, comprise the description to resource static structure and dynamic behaviour, therefore, OO-SDL should have very strong function, for business development provides good statement instrument.Consider C from realizing using
++Language is an object oriented language the most widely at present, and most systems all support C
++, simultaneously based on C
++The technique of compiling of language is also relative with implementation method simple.
The present invention is when using the OO-SDL language, and followed following principle: the expansion to language should be as far as possible little; Adaptation is supported multithreading based on the characteristic of multithreading virtual machine, and notion is unified.
Referring to Fig. 4, introduce the operational flowchart of the professional compiler in the operation layer of the present invention: at first use compiler that the source program of importing is carried out functions such as preliminary treatment, macro substitution, subsequently by lexical analyzer, syntax analyzer, symbol table, error handling processing and code generator etc. are translated into assembler language with source code, call connector at last and assembler language are connected the working procedure that generates the service execution environment support with OO-SDL java standard library, tool set (ToolKit).
Professional generation system has constituted operation layer.Professional editing machine is by visual interface service logic and business datum to be edited, and is assembled into complete business.The service logic that edits can be carried out emulation by the business simulating environment that business simulating device in the system provides and be carried out, find that problematic part can find concrete problem by the service debugging module, and continuing in this simulated environment, to continue debugging after the modification.After service debugging is good, be stored as service scripts, by professional compiler the service logic file is compiled as the binary code that service execution environment can be discerned again.Professional compiler has good error diagnosis function, can search syntax error for the user, endures strict scrutiny to calling function parameters.
Virtual employing multithreading virtual machine mode is controlled in calling of the present invention.Therefore, the multithreading virtual machine is the significant components of key-course, is that " virtual " computer-fully of execute file code is realized by software, is based upon on the actual software platform and operating system.It constitutes the instruction set of complete function with system call.For developing required business and write the resource driver, the user provides necessary instrument.The purpose of design virtual machine provides a computer model based on abstract specification representation.The code that it makes the service operation file comprise can move on the model of this standard.Referring to Fig. 5, introduce the architecture of this virtual machine:
(1) command system: instruct similarly, form by command code and operand to other computer; This virtual machine code adopts tlv triple.Each instruction is made of regular length.
(2) instruction actuator: instruction actuator sense order from code segment, and carry out according to command request.It comprises CS (Code Segment), two registers group of IP (Instruction Pointer).CS points to code segment, and IP points to the instruction that next bar will be carried out.
(3) data structure: comprising: code segment, data segment (Data, Bass), heap section (Heap), wherein code segment is used for the code of storage service, data segment is made up of the data segment of initialized global data base and no initializtion, and heap section coexists with data segment in the section, is used for the memory register pointer.
(4) memory allocator: be used for storage administration, it is responsible for the dynamic assignment of the section of heap and the recovery of fragment, is responsible for the modification to PD simultaneously.This virtual machine is supported multithreading, so this module will be supported sharing the concurrent access of storage system.
(5) thread and management (message queue): it is responsible for generation, the scheduling of thread and reclaims resource when thread finishes.This virtual machine requires to realize efficient, public thread management.
(6) data register bank: be used to store the plurality of data register.
Except the above-mentioned functions module, the internal module of the software systems of this intelligent external system also comprises:
System call interfaces: being the polymerization of a group objects, also is the interface of process and operating system, and as the important component of system call user program, system call interfaces has shielded the difference of system, distributes for the user provides transparent system.
System call: be responsible for the scheduling of srvice instance and kernel program operation.
System administration services: be the core of system kernel, it is by to message queue, time queue, the database service interface finish system synchronously, the communication between agreement and example; Also be responsible for creating srvice instance, and example termination back is to the recovery of resource.
The hardware resource management device: be interface professional and hardware driving, it has stipulated the operation interface of hardware drive program and the standard of dynamic load or download.Its hardware management resource adopts the name server mode: when new resources are loaded into system, by sending message to practice operating system, logical name, class name and the attribute of login oneself in explorer.Name server is responsible for to the hardware resource location, for the user provides the transparent access resource.
System kernel also comprises the systematic function configuration file, as service scripts, device file, system index file etc.
Referring to Fig. 6, hardware resource management device in the adaptation layer of system of the present invention adopts different module independent process to different resource, can mask the detailed problem of concrete network and hardware resource like this, thereby make professional exploitation be independent of concrete network and hardware resource, reach opening and versatility.By writing different hardware drive programs, can expand loading and unloading to system easily.As in order to support the network entity of VOIP, need add the H.323 adaptation processing module of agreement; In order to support intelligent network, need to support Intelligent Network Application Protocol and the adaptation processing module of adding Intelligent Network Application Protocol.System can come dynamic resource allocation driver module according to concrete business demand.As supporting SS7, FAX, NO.1 etc.
The interface of each software module at all levels adopts inside story mechanism interaction message and adopts shared data mode Data transmission in this system: wherein adaptation layer provides API details to resource bid service and requirement service by resource layer; Adaptation layer and key-course are undertaken alternately by inside story, and this inside story is then undertaken alternately by shared drive and socket Socket connected mode; Each software module of operation layer is will describe the service scripts of business tine as data, promptly with data mode storage service content, reads and visits to supply with correlation module; The data interaction of key-course and operation layer is carried out data interaction by the service scripts that operation layer generates, these files are stored in the service logic database that adopts database mode storage service file, when the corresponding business call instance is activated, key-course will call from professional logical data base and the execution that makes an explanation of its corresponding file.
Again the hardware unit of intelligent external system of the present invention is described further below.
Preceding end switch is the interface of this system and PSTN public telephone network, and user's calling is after preceding end switch inserts, and the control and treatment through Control Node CN is directed to corresponding resource node RN according to certain selection principle.The job stability of preceding end switch directly influences operator to quality of services for users.Therefore, require to design according to large-scale telecommunication system, support hot plug, redundant configuration requires stable performance, and disposal ability is strong, integrated level is high, should before end switch adopt commercial switching plane able to programme, and link to each other with upper end tandem exchange by multiple signalings such as No. seven, SS7-, make this equipment have high reliability, high throughput, business function and characteristics such as enrich.
Preceding end switch can dispose different integrated circuit boards and cabinet as required, and the subscribers feeder number that each cabinet is supported can be selected between 60~2048 lines; Its volume has only 2 industrial computer sizes.When the subscribers feeder in the cabinet can't be satisfied the demand, can extend to a plurality of cabinets with the ring of light, can extend to 16 cabinets the most for a long time.Speech channel between each node and signaling information are mutual by the ring of light of 10GB.End switch is supported the Chinese signalling system No.7 of standard before being somebody's turn to do: ISUP, TCAP, TUP; Cno.1 signaling: MFC:R2.
The physical parameter of preceding end switch is: external power source is the direct current of technical grade standard-48V, and the internal electric source card has two, works in the Hot Spare mode; CPU board can have two, works in the Hot Spare mode; Can dispose 2 SS7 cards at most, work in the Hot Spare mode; Can dispose polylith DSP card, collect the digits and conference telephone service to handle DTMF;
Referring to Fig. 7, be connected with server mode with client by LAN between preceding end switch and the Control Node CN, showed the information interactive process between them among the figure.Before end switch be connected by transparent E1 with each resource node RN, with play the various warning tones that record, by the voice of text-converted one-tenth, digital information of reception user or the like.
The programmable switch of the Open architecture that the present invention adopts is for supporting that multiple business provides conformability: can be applicable to diverse network, support various general signaling protocols (comprising ISUP, TUP, TCAP, R2 etc.), follow multiple different standard criterion, support the master computer (Host) and the selected operating environment of multiple model.In addition, this programmable switch also provides high reliability: fault tolerance, its critical piece (as CPU card, SS7 card, power supply etc.) all has fault-tolerant ability, the inner dual-bus structure that adopts, support three grades of network synchronous clocks, switch adopts at least 2 ISUP, TCAP link with outside the connection, can efficiently meet the demands fast;
The hardware platform of Control Node CN adopts high-performance server (as: server of SUN, HP, IBM brand), adopts HA or Cluster scheme to guarantee the reliability of system; The two-node cluster hot backup of shared disk array and employing fault-tolerant software can effectively guarantee to switch under failure condition: when a certain fault, its service can migrate to another station server rapidly; The data between nodes of VxVM can carrying out rapidly shifts (adopting logical volume to shift); The management of the virtual disk of fault-tolerant software can be carried out division such as disk mirroring, Raid-5 to the data of depositing in the disk, guarantees that data still have accessibility when disk failure or booting operating system fault.Wherein disk mirroring be with the data in magnetic disk real-time mirror image in another disk, can guarantee that to the mirror image of system disk the booting failure of system is recovered, still can visit its data when the Raid technology can be guaranteed disk failure.Use the virtual disk management can also obtain such as the online modification file system, dynamically to adjust senior disk management abilities such as magnetic disc i/o performance, dynamic equalization magnetic disc i/o passage, file system snapshot, these abilities have significantly reduced the pressure of application system, help its high-efficient operation.In addition, two network interface card redundancies can also be set in same station server, when a network interface card broke down, fault-tolerant software started second network interface card automatically, need not node and switched.
The software environment of Control Node CN is UNIX, and the shortcoming that this software platform has effectively overcome the sealing of existing telesoftware structure, function singleness and has been difficult to safeguard is for the user develops business, the dynamic load business provides strong instrument.Be adapted to heterogeneous network, it has shielded the different of carrying and signaling by the driver of internal system, and for the user provides the unified interface and the API of a cover and independent of service, according to these API, the user can develop business, dynamic load business fast.If the above-mentioned problem that needs to revise the call business flow process, the user can oneself write business by professional generation system, loads through graphic interface, and new business is come into force.
Resource node RN adds various resource integrated circuit boards by Industrial Control Computer and constitutes, and adopts the CTI technology to realize, for network provides various special resources.Its hardware configuration is: sound card/fax card of special-purpose industrial control computer (IPC) and 2,4,8,16E1, maximum 240 road speeches of unit.Its software arrangements is: running environment is the Unix groupware, and the RN systems soft ware is based on C
++The kit exploitation forms, and the API that the control of speech ciphering equipment wherein is based on integrated circuit board to be provided carries out secondary development.
Resource node RN accepts the order of Control Node CN, carries with preceding end switch to be connected, and control resource and user's access, takes out stitches, and sends out voice suggestion to the user, and collection user's digital information also reports CN.
According to the resource difference that provides, the main type of resource node has: voice node (VN), fax node (FN), literary composition-language switching node (TTS), automatic speech recognition system (ASR), bridge joint resource or the like.Referring to Fig. 8, introduce the logical construction of resource node hardware platform, RN node among Fig. 4-9 wherein, ASR-Server, TTS-Server constitutes by high reliability, high performance industrial computer.The Client/Server structure is all adopted in ASR service, TTS service, is subjected to SiteServer LBS support, all can online dilatation.
Calling/carrying gateway (C/BGF, Call/Bearer Gateway Function) adopts industrial control computer to add the mode of integrated circuit board.Finish conversion to ISDN User Part and IP network side agreement.
Management node NMP is as the maintenance management terminal in this independent peripheral system, and its function that provides comprises service management, NM network management (network surveillance, networking traffic administration, networking data collection etc.), data management, resource management, configuration management, statistics/measurement, log management, alarm monitoring and accounting management etc.The maintenance terminal that is used for speech processes is based on the power PC microcomputer, is equipped with recording microphone, audio amplifier, sound card, and the typing of support voice and editting function comprise the inquiry, typing, editor, modification, deletion of voice etc.As operation platform, its realization and running environment are irrelevant with all-purpose computer for NMP.The management node NMP of this system supports the user by the Web browser Access Management Access page, realizes long-range access of NMP and maintenance.
Professional generation node SCN possesses the production environment of service logic, business development environment based on specific purpose tool collection (ToolKit) has friendly simple graphical working interface, overcome in the past to adopt and be independent of the limitation of business module (SIB) as development scheme, this service creation environment can be fully according to the service logic of user's request generation new business.
Intelligent external system has increased the processing to the MGCP/H.323 agreement, has realized the calling/carrying gateway function of the local area network (LAN) intercommunication of intelligent network and this intelligent external system.What calling/carrying gateway was mainly supported is Voice over IP (VOIP) function, and the gateway in it and the existing IP data network has many similarities on function.Calling/carrying gateway is the equipment that is connected across between intelligent network and the IP data network, and in intelligent network one side, it and SSP communicate by ISUP in the No.7 signaling, finish call setup and release; In the IP data network side, it and gatekeeper or MGC equally also will realize call setup and release by H.323 agreement or MGCP are mutual, in addition, also need to realize the cooperation of both sides call control signalling, finish the control flow of whole calling jointly.
Except the signaling translation function, calling/carrying gateway also will be finished speech coding and packing, echo elimination, silence detection and functions such as receiving end buffer memory are provided, and supports multiple speech coding agreement, comprises G.711, G723 and G729.In addition, this gateway must be gathered charge information when the conversation beginning, when end of conversation or regularly the charging in the IP data network/authentication center transmits charge information, and has the interface with Network Management Equipment, finishes functions such as configuration, statistics, fault inquiry, alarm.
System of the present invention externally provides the intelligent network peripheral functionality interface of standard, provides Standard IN INAP interface to SSP and SCP, comprise and SCP and SSP between carry out interacting message.Wherein SCP comprises at least to the message of this intelligent external system: cancellation (CANCEL), broadcasting are notified (PLAYANNOUNCEMENT), prompting and collection user profile (PROMPT AND COLLECT USERINFORMATION), prompting and reception message (PROMPT AND RECEIVE MESSAGE), move SCRIPT (SCRIPT RUN), are closed SCRIPT (SCRIPT CLOSE), SCRIPT information (SCRIPT INFORMATION).This intelligent external system comprises at least to the message of SCP: assistance requests order (ASSIST REQUEST INSTRUCTION), private resource report (SPECIALISTRESOURCE REPORT), SCRIPT incident (SCRIPT EVENT).
The interface rules of this intelligent external system and SSP adopt the No.7 signaling, meet domestic No.7 signaling method technical specification ISUP (ISUP).SSP sets up the user to the resource access passage in this ip intelligent peripherals by ISUP.In order to support IN service, according to code requirement Q.1600, the ISUP IAM message of ip intelligent peripherals and SSP has increased: ScfID, CorrelationID, territories such as LegID, these territories be used for to should system to the intelligent call of SCP.
Referring to Fig. 9, introduce intelligent external system of the present invention when service externally be provided, the interacting message sequential between itself and other functional entity:
(1) ETC (Establish Temporary Connection): SCP notice SSP sets up and is connected with the interim of ip intelligent peripherals;
(2) after IAM:SSP receives the message of SCP, to the ip intelligent peripherals request of making a call;
(3) ARI (Assist Request Instruction): the assistance requests order of ip intelligent peripherals notice SCP, mainly comprise the transmission with the id information of SSP dialogue, it is related that this id information guarantees to call out between SCP foundation and SSP and the ip intelligent peripherals;
(4) PA/PC (Play Announcemen/Prompt and Play User Information): SCP notifies ip intelligent peripherals playing alert tones/playing alert tones and collects the digits;
(5) ANM: after receiving IAM message, ip intelligent peripherals sends response message to SSP;
(6) ip intelligent peripherals is set up speech channel with SSP and is connected;
(7) REL (Release Call SSP): behind the end of conversation, SSP sends call release message respectively to SCP and ip intelligent peripherals.
As seen from the figure: carry out mutual process between intelligent external system and SSP and the SCP, comprise connecting, serve, removing connecting three steps, ip intelligent peripherals is accepted the control of SCP and is replied the call request that SSP sends.
Because intelligent external system of the present invention has complete signaling process, calls out control and resource providing capability, self-organizing system provides the ability of service node fully independently, and all kinds of value-added services externally are provided.At this moment, the interface way of itself and network side is to route the call to this service node by the switching equipment among PSTN or the mobile network by signalings such as ISUP/PRI, set up and the complete call flows of switching equipment by signalings such as ISUP/PRI simultaneously, at this moment, this intelligent external system then provides the professional control ability of value-added service in the service node mode.This implementation method of intelligent external system of the present invention makes things convenient for user's modification and new business is provided the quick loading of the value-added service condition of providing convenience.
Claims (11)
1, a kind of based on controlling and using the intelligent external system that separates, has business generation ability, form by software and hardware; It is characterized in that:
The software of this system adopts the layer architecture of the distributed frame of telecom information network system TINA: be made up of operation layer, key-course, adaptation layer and four layers of software module of resource layer and data system and management system, establish one's own system in every layer of inside, interface between at all levels and system is clear, can realize the flexible loading of using and the flexible configuration of resource, help the expansion of system applies; Wherein:
Operation layer as the application that exists with the miscellaneous service form, is presented as service logic and business datum at this layer; Its software module comprises the editing machine of service logic and data at least, compiler, debugger and simulator;
Key-course, core as software systems, it is service execution environment, contain and carry out the required various support functions of service logic, its function comprises selection, scheduling and the management of service logic at least, the network side call event of offering according to preceding end switch starts correspondent service logic, realizes various intelligent calls;
Adaptation layer, hardware resource management device by concrete network of shielding and hardware resource details is formed, be responsible for the registration of all resources and message flow, carry out the coding and decoding function, the protocol conversion that all kinds of resources are provided becomes the general internal unity message of representing with the API api function to pass to service logic execution environment, make professional operation be independent of concrete network and hardware resource, realize the opening and the versatility of system;
Resource layer, comprise all kinds of resources that system provides and the driver of resource, resource type includes but not limited to the transmittability applying portion TCAP of signal resource, voice resource, fax resource, Signaling System Number 7 interoffice signaling ISDNYong Hubufen ISUP, carrying intelligent network application protocol INAP; Resource layer provides access, identification, connection control, maintenance management and the execution fault tolerance to above-mentioned resource;
Management system is responsible for service management, resource management, network management; Wherein service management is all business datum and a state of management; Resource management provides the ability of searching resource, takies/discharge resource, the various states of management resource, the action of control resource, and the access-in management of functional entity hardware; Network management is that connection, the running status of the hardware unit in the system in network managed.
Data system is responsible for this system the storage of various data and service logic, the function of management is provided;
The hardware unit of this system includes following based on local area network (LAN) LAN realization connection at least, and adopts the functional entity of ICP/IP protocol transmission inside story:
Preceding end switch and control desk thereof, increase corresponding signaling control module and constituted front end switching equipment one preceding end switch by finishing switch that signaling and speech channel insert, and terminal-front end Switch Console that this preceding end switch is configured and manages-form; As the interface of this system and public switched telephone network (PSTN), finish access, guiding, exchange and the call out function of subscriber phone; Should before be provided with the E1/T1 that speech channel is provided in end switch and the network between the SSP and be connected mutual path with the ISUP signaling, and be provided with the transmission channel of INAP signaling between the SCP;
Control Node CN adds that by server key-course and adaptation layer software module are constituted, and as the control centre of this intelligent external system, adopts the two-node cluster hot backup of shared disk array, and is provided with two network interface card redundancies in same station server, to guarantee reliable operation;
Resource node RN, add that by industrial computer or PC the integrated circuit board of various related resources and corresponding resource driver module thereof are constituted, comprise voice node VoiceNode, fax node FaxNode, literary composition language switching node TTS, automatic speech recognition node ASR and bridge joint resource at least; Being provided with between the resource node that voice wherein are provided and the preceding end switch provides the E1/T1 of speech channel to be connected;
Management node NMP, form by all-purpose computer as operation platform, maintenance management terminal as this intelligent external system, its function comprises service management, NM network management, data management, resource management, configuration management, statistics/measurement, log management, alarm monitoring and accounting management at least, also support the user to pass through the Web browser Access Management Access page, realize long-range access of NMP and maintenance;
The professional node that generates, add that by industrial computer or PC the operation layer software module forms, has the production environment of service logic-based on business development environment and the friendly simple graphical working interface of specific purpose tool collection ToolKit, so that according to user's request, generate the service logic of new business or existing service logic is made amendment by editor, emulation, debugging and process of compilation;
Calling/carrying gateway is responsible for realizing the intercommunication of intelligent network and IP data network, finishes calling/bearing function, and realizes that the conversion of both sides call control signalling cooperates, and finishes the control flow of whole calling jointly; Its with preceding end switch between be provided with and provide the E1/T1 of PCM speech channel to be connected;
Software module and control ability thereof by above-mentioned each difference in functionality, again by hardware unit as its operation platform and interface, this system can externally provide the multiple value-added service function of the intelligent network of setting or expanding as intelligent independent peripheral, perhaps as service node, independently finish the providing capability of value-added service, satisfy the application demand of intelligent network.
2, intelligent external system according to claim 1 is characterized in that:
Software module editing machine in the described operation layer is responsible for providing service logic editor's interface and interface; Simulator is responsible for the implementation effect of service logic is simulated, so that effect and problem when service logic carried out are analyzed; The service execution environment that debugger is responsible for providing suitable with true environment is that business is debugged; Professional compiler is responsible for the business that edits is compiled, and generates the file format that service execution environment can be explained;
The software module of described key-course is responsible for externally providing by CCF the control of the whole calling procedure that comprises that at least call setup, user data query, call proceeding, playing alert tones, calling discharge; At least comprise system call, call out control virtual machine, system call, time queue, message queue; Wherein system call is the core of key-course, also is the core of whole intelligent external system;
The software module of described adaptation layer comprises the hardware resource management device at the different hardware type at least, is responsible for carrying out adaptive and management to each hardware resource; This manager adopts different software module independent process respectively to different resource, and each module can load and unload in system flexibly, satisfies system's flexibility adaptive to different resource; And the module that does not have a user is dynamic offloading then, and the assurance system is efficiently operation under lightweight;
The software module of described resource layer includes but not limited to the driving of speech, fax, seat, meeting, data terminal multiple hardwares resource at least;
The software module of described management system is responsible for normal, the reliability service state of this intelligent external system and data are managed and safeguard that management system can be independent of this intelligent external system;
Database in the described data system is used to store and manages this intelligent external system and move required Various types of data that comprises business datum, control data, user data at least and service logic.
3, intelligent external system according to claim 1 and 2 is characterized in that: the core of described operation layer is made up of OO business description language, professional compiler and service debugging device three parts, and this system adopts with C
++Language is the descriptive language of the OO business description language OO-SDL on basis as service logic.
4, according to claim 1 or 2 or 3 described intelligent external systems, it is characterized in that: described operation layer is professional generation system: service logic and business datum are edited by visual interface by professional editing machine, be assembled into complete service logic, the program of need not regrouping just is configured to application; The service logic that edits is carried out the emulation execution by the business simulating device, finds that problematic part then finds concrete the very crux by the service debugging device, and the back of fixing a breakdown continues to debug in simulated environment; After service debugging is good, be stored as service scripts, by professional compiler the service logic file be compiled as the binary code that service execution environment can be discerned again, the good error diagnosis function of professional compiler, can endure strict scrutiny to calling function parameters for the user searches syntax error.
5, intelligent external system according to claim 1 and 2, it is characterized in that: be used as the multithreading virtual machine of calling out control in the described key-course and be all " virtual " computer by software realization, execute file code, this multithreading virtual machine is based upon on software platform and the operating system, constitute the instruction set of complete function with system call, provide necessary instrument for the user develops professional and writes the resource driver.
6, intelligent external system according to claim 1 is characterized in that: described adaptation layer can drive and the conversion process module according to the different resource of business demand dynamic-configuration, to realize professional opening and versatility.
7, intelligent external system according to claim 1 is characterized in that: the interface of software module at all levels adopts inside story mechanism interaction message and adopts shared data mode Data transmission in this system: wherein adaptation layer provides API details to resource bid service and requirement service by resource layer; Adaptation layer and key-course are undertaken alternately by inside story, and this inside story is then undertaken alternately by shared drive and socket Socket connected mode; Each software module of operation layer is will describe the service scripts of business tine as data, promptly with data mode storage service content, reads and visits to supply with correlation module; The data interaction of key-course and operation layer is exactly to carry out data interaction by the service scripts that operation layer generates, these files are stored in the service logic database that adopts database mode storage service file, when the service call example is activated, key-course will call the execution that makes an explanation of corresponding file from professional logical data base.
8, intelligent external system according to claim 1 is characterized in that: end switch adopts the programmable switch of Open architecture to form before described, links to each other with upper end tandem exchange by multiple signaling, as the access device of this system; Its internal condition need dispose different integrated circuit boards and cabinet, supports hot plug, redundant configuration and comprises the various standard signaling protocols of ISUP, TCAP, TUP, R2 and PRI, has the advantages that high reliability, high throughput and business function enrich.
9, intelligent external system according to claim 1 is characterized in that: adopt fault-tolerant software in the described Control Node CN server, when guaranteeing that a station server breaks down, it serves rapid handoff migration to another station server; Two data between nodes shift and adopt logical volume to shift; When the virtual disk management of fault-tolerant software can be guaranteed disk failure or booting operating system fault, still addressable data, and obtain to comprise online revised file system, dynamically adjust the senior disk management ability of magnetic disc i/o performance, dynamic equalization magnetic disc i/o passage, file system snapshot, significantly reduce the pressure of application system, help its high-efficient operation.
10, according to claim 1 or 9 described intelligent external systems, it is characterized in that: described resource node RN is used to accept the order of Control Node CN, carry with preceding end switch and to be connected, control resource and user's access, take out stitches, send voice suggestion to the user, collect user's digital information and report Control Node CN.
11, intelligent external system according to claim 1, it is characterized in that: the function of described calling/carrying gateway also comprises: finish speech coding and packing, echo elimination, silence detection and the receiving end buffer memory is provided, G.711 support comprise, G.723 and multiple speech coding agreement G.729, and when the conversation beginning, gather charge information, when end of conversation or regularly the charging in the IP data network/authentication center transmits charge information, and be provided with the interface with Network Management Equipment, finish include but not limited to dispose, the function of statistics, fault inquiry, alarm.
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