CN102801701A - Application correlator for session initiation protocol (SIP) network and user application network - Google Patents
Application correlator for session initiation protocol (SIP) network and user application network Download PDFInfo
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Abstract
The invention relates to an application correlator for a session initiation protocol (SIP) network and a user application network. The application correlator performs network communication based on the SIP network, a user terminal, an information management system (IMS) network and a WebSocket protocol in a hypertext markup language 5 (HTML5) standard. A standard Web browser is arranged on the user terminal. The SIP network is provided with an SIP. The application correlator provides a cross-platform SIP-based SIP service for a user through the standard Web browser, is arranged on gateway equipment between the IMS network and the user terminal, and becomes a boundary gateway in the IMS network. The boundary gateway is an SIP user proxy module, and can receive, process and respond to messages on any SIP network. Service-oriented access capability can be provided, IMS network information can be hidden, and the application correlator is high in security.
Description
Technical field
The invention belongs to networking technology area, be specifically related to the application correlator of a kind of SIP network and user application network.
Background technology
Along with the continuous progress of information technology, people's communication mode is more diversified.For example, in nearest 30 years, individual's communication develops into and utilizes digital network to carry out the audio frequency and video intercommunication from the voice call based on Analog Electronics Technique.In addition, cellular network and Wi-Fi have added mobile element to communication.In TV industry, before 30 years, only there is a kind of TV format, signal transmits through aerial, is received by the antenna in the subscriber household.And now, having got into family of domestic consumer based on IPTV, the digital TV in high resolution of wideband digital network, TV network can provide interactively user experience equally.Digital broadband network in the subscriber household, cable TV network and telephone network are progressively unified, and the integration of three networks becomes a kind of technological trend.
The angle of, hardware advances soft from computer, the information terminal kind in people's hand is abundanter.Smart mobile phone, Web TV etc. possess the information terminal of higher hardware performance and powerful operating system, progress into people's life, become the indispensable element of modern society.Information terminal provides brand-new communication experiences for the user, also for telecom operators and service provider brand-new service provision platform is provided.Under above-mentioned technical background, telecom operators and service provider constantly provide abundant application and service, satisfy the demand that the user constantly changes on new platform, obtain profit with this.When service was provided, telecom operators and service provider also need overcome the compatibility issue on the variety classes information terminal, with a kind of service, needed to realize different versions, had increased cost of serving.In sum, the progress of the communication technology and the fast development of hardware and software platform have brought the compatibility issue of different platform.This problem can be through increasing the intermediate layer, and the method for isolation platform difference solves.So, under this demand, arise at the historic moment to the intermediate layer technology of different aspects.Possess multiposition, many equipment and the span ability of serving at IMS technology and Session Initiation Protocol aspect the fusion of network, be optimum at present network integration scheme more.And for different information terminal platforms, requisite Web browser in its system becomes the best cutting point of current shielding harness difference.Nowadays; The plug-in unit of the application program that on browser, is used for realizing and standard kind are more and more, for example, and the Java Applet of Oracle company; The Flash technology of Adobe company; The Silverlight of Microsoft company technology, only based on traditional Web technology of http protocol, and starting soon, the swift and violent HTML5 standard of development etc.
The scheme that several kinds of related Session Initiation Protocol and user browser have at present occurred comprises:
Related by browser plug-in with SIP.Like Flash or Java Applet etc., these plug-in units are at first loaded through http protocol by browser, and browser calls the relevant operation platform (like Flash player or JVM etc.) of plug-in unit and carries out plug-in unit.Plug-in unit generally comprises the SIP Stack module of complete function, can directly insert the IMS network, uses sip message that service is provided.The instance of this scheme comprises Web Phone products such as Doodle, TringMe.
Directly through the related Session Initiation Protocol of http protocol.This solution is divided into two parts with the access of SIP service; At first receive the SIP incoming message by Web Server; Message is transferred to SIP Stack resolve, message after will resolving then and prior stored message type association are accomplished SIP signalling function on Web Server.Then, the corresponding contents of server end logic Modification website presentation layer, the Web browser of client obtains the Web page through http protocol, and the SIP service is offered the end user.Had corresponding patent about this scheme: patent name: SIP-HTTP uses correlator, application number: 200980108355.Existing traditional SIP UA, general direct towards the end user, promptly client-side program is directly connected to the SIP network, can't accomplish the transparence of Session Initiation Protocol.Say that from security standpoint the user can obtain the for example specifying information of IMS network through the sip message that listens to, be unfavorable for hiding of information, fail safe is relatively poor relatively.Say from the angle that inserts the SIP network; Opaque SIP network interface can cause the user to use the client-side program (for example intelligent appliance control interface, speech interface, advertisement pushing interface etc.) that can't realize oneself towards concrete service interface; Need client must know the realization details of SIP; Client need be done the conversion between SIP and concrete service, can't reduce the complexity of access.For mentioning the solution of using plug-in unit hereinbefore, belong to the category of traditional SIP UA equally.
Shortcoming except above traditional UA; For the plug-in unit solution related with Session Initiation Protocol; Require user browser must at first pass through the http protocol loading of plug-in, the specific software platform that the operation of plug-in unit need be relevant with platform (as, Flash player or JVM etc.) support.This pattern relies on specific intermediate layer environment, and standardization level is low, and the efficient that loads and move is all lower, is not suitable for resource-constrained, miscellaneous terminal platform.
Through the related Session Initiation Protocol of HTTP, when realizing, can bring the problem of inefficiency for directly owing to the half-duplex characteristic of http protocol communication.Specifically, HTTP is to be used to pull the information on the server from client-side program, and can't accomplishes that reverse server is to client push message when initial design.Though occurred such as new technologies such as Ajax at present, can be used to provide, strengthen the ability that HTTP pushes, study carefully its essence, still need circle logic of client maintenance, do not stop the querying server end and change the efficiency that fundamentally solves useless.
Summary of the invention
The present invention has overcome the deficiency of prior art; The application correlator of a kind of SIP network and user application network has been proposed; Said correlator makes full use of the network integration ability of Session Initiation Protocol; By the fundamental characteristics of the WebSocket agreement full-duplex communication in the HTML5 standard, use this entity of correlator through SIP-WebSocket two kinds of agreements are combined.Can be through the standard Web browser on the user terminal, for the user provides cross-platform SIP service.
Technical scheme of the present invention is: the application correlator of a kind of SIP network and user application network; Said application correlator carries out network service based on the WebSocket agreement in SIP network, user terminal, IMS network and the HTML5 standard; Said user terminal is provided with the standard Web browser, and said SIP network is provided with Session Initiation Protocol, and said application correlator is through said standard Web browser; For the user provides the cross-platform SIP service based on Session Initiation Protocol; Said application correlator is arranged on the gateway device between IMS network and the user terminal, becomes a borde gateway in the IMS network, and said borde gateway is a sip user agent module; Ability receives, handles and responds the message on any SIP network, and the workflow of said application correlator is:
1) said application correlator is resolved first message (SIP signaling) of Incoming, compares according to its content and the good application message of prior storage, and decision runs on which application and first message relating outside the IMS network; After related the completion, use the correlator use and realize second message, information is transmitted to the IMS network uses outward based on the WebSocket agreement;
2) outside the IMS network, during application start, need at first to set up registration and be connected with the applications gateway module of using correlator;
3) after registration connects completion, use correlator and can SIP be provided service for external application.
Use correlator and can be used to realize basic voice call function.
Use correlator and can SIP be provided service for various subscriber equipmenies.
The flow process that said registration connects is:
User side is used at first and is connected through WebSocket Handshake Protocol and the exterior gateway of using correlator, connects to send through this and uses register requirement, and exterior gateway receives request and carries out authentication process; If the authentication success is then transmitted register requirement to sip user agent, the latter is packaged as the SIP register requirement with the register requirement of applications; Issue the call session control function of IMS network, call session control function processing register request is after succeeding in registration; The answer sign that succeeds in registration, after using correlator and receiving the sign that succeeds in registration, user agent's side is with the resolution reply message content; Related associated external is used; In local storage, and this application of notice exterior gateway succeeds in registration with the information stores of applications, and exterior gateway is informed applications with the state that succeeds in registration through the communication protocol based on WebSocket.
The present invention has following beneficial effect:
1) SIP combines with the WebSocket agreement, and the message that the SIP signaling is transferred to based on the WebSocket agreement offers the IMS applications.The cross-platform real-time SIP service of full duplex is provided, can simplifies user's access, make Session Initiation Protocol in the incoming end transparence, thereby hide the IMS network information, make the user use the client-side program that to realize oneself towards concrete service.
2) the present invention can realize cross-platform service.
3) the present invention can realize the network integration.
4) the present invention has high real-time, high-efficiency characteristics.
5) the present invention adopts full-duplex mode.
6) the present invention can provide service-oriented access capability.
7) the present invention hides the IMS network information, tool high security.
Description of drawings
Further specify the present invention below in conjunction with accompanying drawing and embodiment.
Fig. 1 is a basic framework sketch map of the present invention.
Fig. 2 is an external application registration process sketch map of the present invention.
Fig. 3 is basic call flow process illustrated figure of the present invention.
Fig. 4 is the tame electric control sketch map that the present invention is based on sip subscribe mechanism.
Fig. 5 is an exterior gateway side system flow chart of the present invention.
Fig. 6 is user agent of the present invention (UA) side system flow chart.
Embodiment:
Extremely shown in Figure 6 referring to Fig. 1; The present invention makes full use of the network integration ability of SIP agreement; By the fundamental characteristics of the WebSocket agreement full-duplex communication in the HTML5 standard, use this entity of correlator through SIP-WebSocket two kinds of agreements are combined.Can be through the standard Web browser on the user terminal, for the user provides cross-platform SIP service.Shown in Fig. 1, use the borde gateway of correlator at SIP-WebSocket as the IMS network, can regard the SIP user agent of a telotism as, can receive, handle and respond the message of any SIP regulation.Use for different types of user, correlator is realized an exterior gateway that has WebSocket Server, can should be used as real-time full-duplex communication with browser or the non-browser on the user terminal.The SIP-WebSocket correlator can be deployed on the gateway device between IMS network and the user terminal; First message (SIP signaling) of Incoming is resolved; Compare according to its content and the good application message of prior storage, so that decision runs on which application and first message relating outside the IMS network.After related the completion, the SIP-WebSocket correlator uses the agreement based on WebSocket to realize second message, information is transmitted to the IMS network uses outward.
Outside the IMS network during application start, the applications gateway module that needs at first to use correlator with SIP-WebSocket connects, and claims that here this process is registration.Fig. 2 is depicted as the successfully flow process of registration; The user side application at first connects through the exterior gateway of WebSocket Handshake Protocol and SIP-WebSocket application correlator, connects to send through this and uses register requirement, and the exterior gateway reception asks to carry out processing such as authentication; If authentication success; Then transmit register requirement to sip user agent, the latter is packaged as the SIP register requirement with the register requirement of applications, issues the call session control function (CSCF) of IMS network.Call session control function processing register request after succeeding in registration, is replied 200 OK (representative is succeeded in registration).After SIP-WebSocket application correlator receives 200 OK; User agent's side is with the resolution reply message content; Related associated external is used; In local storage, and this application of notice exterior gateway succeeds in registration with the information stores of applications, and exterior gateway is informed applications with the state that succeeds in registration through the communication protocol based on WebSocket.Registration is accomplished.
Fig. 3 has described a kind of implementation how the present invention provides basic call to serve for example:
Initiate a calling by certain terminal user surrogate in the IMS network in the example, call out the SIP signaling exchange of in terminal user surrogate, call session control function and correlator user agent, accomplishing the initialization dialogue.
Terminal user surrogate sends the call session control function that the SIP invitation request that has called URI arrives IMS; The call session control function is replied 100 and is attempted responding and SIP invitation is forwarded on the correlator user agent; The correlator user agent replys SIP 100 and attempts response and carry out the association of external application; Related success back replys SIP 180 rings response and SIP 200 responds the call session control function, and the call session control function is transmitted SIP 180 rings and responded terminal user surrogate.After the correlator user agent received the affirmation ACK corresponding to SIP 200 responses, the correlator user agent can comprise to the necessary information of outside this conversation of gateway forwards: the service that the URI of audio coding form, calling terminal, this calling are supported etc.After the user uses and to receive call information, can call local media services module according to call information, according to call information set up with the Termination user agent between voice be connected.So far, the signaling procedure of a basic call is accomplished.
The present invention not only can be used to realize basic voice call function, can also other SIP services be provided for various subscriber equipmenies.
The instance that Fig. 4 describes be to use correlator based on SIP-WebSocket, the subscription of SIP agreement weather service on informing mechanism and the Internet realize the intelligence adjusting of family's air-conditioning.
Air-conditioning in the subscriber household is used the client of correlator as SIP-WebSocket and has been succeeded in registration; At first the exterior gateway to SIP-WebSocket application correlator sends the request of subscribing to real-time Weather information; Latter's analysis request; Store client application information, and request is sent to SIP user agent side.The SIP SUBSCRIBE request that it is good that the SIP user agent will pack sends to agency or the application server in the IMS network.On the other hand; There has been a weather service entity in the Internet; This entity possesses SIP user agent's ability and has been registered in the same ISM network, and the state information that can regularly issue weather through SIP PUBLISH method is to the application corresponding server.After the SUBSCRIBE request that is triggered by user's air-conditioning arrives the ISM application server; Server should be subscribed to according to the situation checking of user profile and subscription information; Checking responds through then replying SIP 200, and the Weather information of last update is sent to the SIP user agent of SIP-WebSocket application correlator through the SIP notice immediately.The SIP user agent inquires about the association that local storage carries out application program; If related success is then replied SIP 200 and is responded the ISM application server; And the SIP notification message after will resolving is transmitted to exterior gateway; Exterior gateway is packaged into the air-conditioning control request with Weather information and sends on the air-conditioning in the users home through the agreement based on WebSocket, realizes the automatic control of humiture.If weather service is issued Weather information once more to the IMS application server, application server is informed the subscriber through the SIP notice with Weather information equally.
Claims (4)
1. the application correlator of SIP network and user application network; It is characterized in that: said application correlator carries out network service based on the WebSocket agreement in SIP network, user terminal, IMS network and the HTML5 standard; Said user terminal is provided with the standard Web browser, and said SIP network is provided with Session Initiation Protocol, and said application correlator is through said standard Web browser; For the user provides the cross-platform SIP service based on Session Initiation Protocol; Said application correlator is arranged on the gateway device between IMS network and the user terminal, becomes a borde gateway in the IMS network, and said borde gateway is a sip user agent module; Ability receives, handles and responds the message on any SIP network, and the workflow of said application correlator is:
1) said application correlator is resolved first message (SIP signaling) of Incoming, compares according to its content and the good application message of prior storage, and decision runs on which application and first message relating outside the IMS network; After related the completion, use the correlator use and realize second message, information is transmitted to the IMS network uses outward based on the WebSocket agreement;
2) outside the IMS network, during application start, need at first to set up registration and be connected with the applications gateway module of using correlator;
3) after registration connects completion, use correlator and can SIP be provided service for external application.
2. the application correlator of SIP network according to claim 1 and user application network is characterized in that: the flow process that said registration connects is: user side is used at first and is connected through WebSocket Handshake Protocol and the exterior gateway of using correlator, connects to send through this and uses register requirement; Exterior gateway receives request and carries out authentication process, if the authentication success is then transmitted register requirement to sip user agent; The latter is packaged as the SIP register requirement with the register requirement of applications, issues the call session control function of IMS network, call session control function processing register request; After succeeding in registration; The answer sign that succeeds in registration, after using correlator and receiving the sign that succeeds in registration, user agent's side is with the resolution reply message content; Related associated external is used; In local storage, and this application of notice exterior gateway succeeds in registration with the information stores of applications, and exterior gateway is informed applications with the state that succeeds in registration through the communication protocol based on WebSocket.
3. the application correlator of SIP network according to claim 1 and 2 and user application network is characterized in that: use correlator and can SIP be provided service for various subscriber equipmenies.
4. the application correlator of SIP network according to claim 3 and user application network is characterized in that: use correlator and can be used to realize basic voice call function.
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| CN2012100799157A CN102801701A (en) | 2012-03-25 | 2012-03-25 | Application correlator for session initiation protocol (SIP) network and user application network |
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| CN103118410A (en) * | 2013-02-18 | 2013-05-22 | 广州市动景计算机科技有限公司 | Mobile communication method, mobile communication system and server for mobile communication |
| CN105577605A (en) * | 2014-10-09 | 2016-05-11 | 阿尔卡特朗讯 | Method and server for adopting two-way REST based on WebSocket protocol in web real-time communication |
| WO2017197989A1 (en) * | 2016-05-16 | 2017-11-23 | 中兴通讯股份有限公司 | Signalling architecture and method and apparatus thereof for implementing call processing |
| CN110071945A (en) * | 2018-01-22 | 2019-07-30 | 中国移动通信有限公司研究院 | A kind of method for subscribing of user data, device and computer readable storage medium |
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Application publication date: 20121128 |