CN103906175A - Method of accessing IMS core network, device and ICGW gateway - Google Patents
Method of accessing IMS core network, device and ICGW gateway Download PDFInfo
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- CN103906175A CN103906175A CN201210576279.9A CN201210576279A CN103906175A CN 103906175 A CN103906175 A CN 103906175A CN 201210576279 A CN201210576279 A CN 201210576279A CN 103906175 A CN103906175 A CN 103906175A
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Abstract
The invention provides a method of accessing an IMS core network, a device and an ICGW gateway, and belongs to the field of mobile communication. The method of accessing the IMS core network comprises steps of receiving a service message sent by a client, carrying out analysis on the service message and constructing an IMS protocol message according to the analyzed content, and sending the IMS protocol message to the IMS core network and building a service channel between the client and the IMS core network. The technical scheme of the invention can enable the internet terminal to seamlessly access the IMS core network.
Description
Technical field
The present invention relates to moving communicating field, refer to especially a kind of method of the IMS of access core net and device, ICGW gateway.
Background technology
Along with the development of 3G network, mobile subscriber logins the platforms such as various forums on the Internet, community, microblogging with mobile terminal more and more.In prior art, internet, applications is access mobile communication net directly, needs special client can realize access mobile communication net, like this for different mobile application, needs different client ability access mobile communication nets.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method of the IMS of access core net and device, ICGW gateway, can realize internet terminal seamless access IMS core net.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, provide a kind of method of the IMS of access core net, comprising:
Receive the service message that client sends;
Described service message is resolved, and build IMS protocol message according to the content after resolving;
Described IMS protocol message is sent to IMS core net, sets up the service channel between client and IMS core net.
Further, the service message that described reception client sends, resolves described service message, and builds IMS protocol message according to the content after resolving, described IMS protocol message is sent to IMS core net, and the service channel of setting up between client and IMS core net comprises:
Receive the message related to calls of the employing Internet protocol of client transmission;
Described message related to calls is resolved, build IMS-SIP INVITE according to the content after resolving;
Described IMS-SIP INVITE is sent to IMS core net, sets up the audio frequency media passage between client and IMS core net.
Further, after the described audio frequency media passage of setting up between client and IMS core net, also comprise:
Receive the audio frequency upstream data bag of the employing Internet protocol of client transmission;
Described audio frequency upstream data bag is resolved and decoded, to decoded data recompile and be packaged into RTP upstream data bag;
Described RTP upstream data bag is sent to IMS core net;
Receive the RTP downlink data packet that IMS core net is returned;
Described RTP downlink data packet is resolved and decoded, to decoded data recompile and be packaged into and adopt the audio frequency downlink data packet of described Internet protocol;
Described audio frequency downlink data packet is sent to described client.
Further, the service message that described reception client sends, resolves described service message, and builds IMS protocol message according to the content after resolving, described IMS protocol message is sent to IMS core net, and the service channel of setting up between client and IMS core net comprises:
Receive the account logging request that carries platform information that client sends;
Described account logging request is resolved, obtain authentication information according to the content after resolving from corresponding platform, build account registration message according to described authentication information;
Described account registration message is sent to IMS core net.
Further, describedly obtain authentication information according to the content after resolving from corresponding platform, build account registration message according to described authentication information and comprise:
Send request authentication message according to the content after resolving to corresponding platform, receive the response message that described platform returns;
The query messages that sends request inquiry authentication information to described platform, receives and preserves the authentication information that described platform returns.
The embodiment of the present invention also provides a kind of device of the IMS of access core net, comprising:
Receiving element, the service message sending for receiving client;
Resolution unit, for described service message is resolved, and builds IMS protocol message according to the content after resolving;
Transmitting element, for described IMS protocol message is sent to IMS core net, sets up the service channel between client and IMS core net.
The message related to calls of the employing Internet protocol that further, described receiving element sends specifically for reception client;
Described resolution unit, specifically for described message related to calls is resolved, builds IMS-SIP INVITE according to the content after resolving;
Described transmitting element, specifically for described IMS-SIP INVITE is sent to IMS core net, is set up the audio frequency media passage between client and IMS core net.
Further, the audio frequency upstream data bag of employing Internet protocol that described receiving element also sends for receiving client;
Described resolution unit is also for described audio frequency upstream data bag is resolved and decoded, to decoded data recompile and be packaged into RTP upstream data bag;
Described transmitting element is also for being sent to IMS core net by described RTP upstream data bag;
The RTP downlink data packet that described receiving element also returns for receiving IMS core net;
Described resolution unit is also for described RTP downlink data packet is resolved and decoded, to decoded data recompile and be packaged into the audio frequency downlink data packet that adopts described Internet protocol;
Described transmitting element is also for being sent to described client by described audio frequency downlink data packet.
Further, the account logging request that carries platform information that described receiving element also sends for receiving client;
Described resolution unit also, for described IMS protocol message is sent to IMS core net, is set up the service channel between client and IMS core net.
Described transmitting element is also for being sent to IMS core net by described account registration message.
Further, described resolution unit, specifically for sending request authentication message according to the content after resolving to corresponding platform, receives the response message that described platform returns; The query messages that sends request inquiry authentication information to described platform, receives and preserves the authentication information that described platform returns.
The embodiment of the present invention also provides a kind of ICGW gateway, comprises the device of access IMS core net as above.
Embodiments of the invention have following beneficial effect:
In such scheme, ICGW gateway receives the service message that client sends, and service message is resolved, and build IMS protocol message according to the content after resolving; IMS protocol message is sent to IMS core net, sets up the service channel between client and IMS core net.Technical scheme of the present invention can realize internet terminal seamless access IMS core net.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the method for the access IMS core net of the embodiment of the present invention;
Fig. 2 is the structured flowchart of the device of the access IMS core net of the embodiment of the present invention;
Fig. 3 is the signaling flow path switch schematic diagram of the ICGW gateway of the embodiment of the present invention;
Fig. 4 is the audio frequency media flow path switch schematic diagram of the ICGW gateway of the embodiment of the present invention;
Fig. 5 is the authorizing procedure schematic diagram of the ICGW gateway of the embodiment of the present invention.
Embodiment
For technical problem, technical scheme and advantage that embodiments of the invention will be solved are clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention are for applying for no movement in prior art, need the problem of different client ability access mobile communication nets, a kind of method of the IMS of access core net and device, ICGW gateway are provided, can realize internet terminal seamless access IMS core net.
Fig. 1 is the schematic flow sheet of the method for the access IMS core net of the embodiment of the present invention, and as shown in Figure 1, the present embodiment comprises:
Step 101: receive the service message that client sends;
Step 102: service message is resolved, and build IMS protocol message according to the content after resolving;
Step 103: IMS protocol message is sent to IMS core net, sets up the service channel between client and IMS core net.
In such scheme, ICGW gateway receives the service message that client sends, and service message is resolved, and build IMS protocol message according to the content after resolving; IMS protocol message is sent to IMS core net, sets up the service channel between client and IMS core net.Technical scheme of the present invention can realize internet terminal seamless access IMS core net.
Fig. 2 is the structured flowchart of the device of the access IMS core net of the embodiment of the present invention, and as shown in Figure 2, the present embodiment comprises:
Receiving element 20, the service message sending for receiving client;
Resolution unit 21, for service message is resolved, and builds IMS protocol message according to the content after resolving;
Transmitting element 22, for IMS protocol message is sent to IMS core net, sets up the service channel between client and IMS core net.
The message related to calls of the employing Internet protocol that further, receiving element 20 sends specifically for reception client;
Resolution unit 21, specifically for message related to calls is resolved, builds IMS-SIP INVITE according to the content after resolving;
Transmitting element 22, specifically for IMS-SIP INVITE is sent to IMS core net, is set up the audio frequency media passage between client and IMS core net.
Further, the audio frequency upstream data bag of employing Internet protocol that receiving element 20 also sends for receiving client;
Resolution unit 21 is also for audio frequency upstream data bag is resolved and decoded, to decoded data recompile and be packaged into RTP upstream data bag;
Transmitting element 22 is also for being sent to IMS core net by RTP upstream data bag;
The RTP downlink data packet that receiving element 20 also returns for receiving IMS core net;
Resolution unit 21 is also for RTP downlink data packet is resolved and decoded, to decoded data recompile and be packaged into the audio frequency downlink data packet that adopts Internet protocol;
Transmitting element 22 is also for being sent to client by audio frequency downlink data packet.
Further, the account logging request that carries platform information that receiving element 20 also sends for receiving client;
Resolution unit 21, also for IMS protocol message is sent to IMS core net, is set up the service channel between client and IMS core net.
Transmitting element 22 is also for being sent to IMS core net by account registration message.
Further, resolution unit 21 is specifically for sending request authentication message to corresponding platform, the response message that receiving platform returns according to the content after resolving; The query messages that sends request inquiry authentication information to platform, receives and preserves the authentication information that platform returns.
In such scheme, ICGW gateway receives the service message that client sends, and service message is resolved, and build IMS protocol message according to the content after resolving; IMS protocol message is sent to IMS core net, sets up the service channel between client and IMS core net.Technical scheme of the present invention can realize internet terminal seamless access IMS core net.
The present invention also provides a kind of ICGW gateway, comprises the device of access IMS core net as above.
Below in conjunction with specific embodiment, the method for access IMS core net of the present invention is described in detail:
Technical scheme of the present invention utilizes ICGW gateway to realize the intercommunication of mobile radio communication and internet, applications, in the embodiment of the present invention, client refers to an access the application terminal of miscellaneous service platform on the Internet, such as the community based on browser, microblogging, forum, space, e-commerce website etc., and other instant communication terminals based on software, or VoIP media termination based on hardware gateway.Client is the carrier of internet, applications, in the evolution of the Internet, user has formed use habit and the style of oneself, target of the present invention is exactly in the situation that these client forms not being done to any upgrading and change, allows user can use easily and directly mobile communication network service.
In the embodiment of the present invention, ICGW gateway is as the Internet and IMS(IP Multimedia Subsystem, IP multimedia system) the mutual key network element merging, allow various conventional internet client seamless access IMS core net, its major function is for realizing the Internet signaling protocol, and the signaling protocol of voice flow and IMS core net, the conversion of voice flow are distributed.ICGW gateway receives the different business protocol streams from the Internet, as HTTP(HTTP)/RTMP(real-time messages transportation protocol) or SIP(signaling control protocol)/RTP(RTP), according to type of service, above-mentioned protocol streams is converted to corresponding IMS protocol streams and distributes.
Embodiment mono-
The present embodiment, take client as Flash terminal is as example, illustrates the signaling flow path switch between internet, applications and IMS core net, and as shown in Figure 3, the present embodiment comprises the following steps:
Step 1, the request of making a call of Flash client, the protocol type that this call request adopts is RTMP;
Step 2, before ICGW gateway is mail in this call request, can be first by FMS(Flash Media Server) this call request is resolved;
Step 3, ICGW gateway can include signaling adaptation module and Xin Lingdaili module, and signaling adaptation module builds SIPUA SIP-INVITE message according to the call request after resolving, and is sent to Xin Lingdaili module;
Wherein, signaling adaptation module and Xin Lingdaili module all can be included in the resolution unit of device of access IMS core net.
Step 4, Xin Lingdaili module build SIP-INVITE message according to SIPUA SIP-INVITE, mail to IMS core net;
Step 5, IMS core net, receiving SIP-INVITE message, are returned to response message by ICGW gateway to Flash client, set up the audio frequency media passage between Flash client and IMS core net.
Embodiment bis-
The present embodiment, take client as Flash terminal is as example, illustrates the audio frequency media flow path switch between internet, applications and IMS core net, and as shown in Figure 4, the present embodiment comprises the following steps:
Step 1, Flash client send audio frequency upstream data bag, and the protocol type that this audio frequency upstream data bag adopts is RTMP;
Step 2, before this audio frequency upstream data bag mails to ICGW gateway, can be first by FMS(Flash Media Server) this audio frequency upstream data bag is resolved;
Step 3, ICGW gateway can include voice data pond, decoder module, coding module and transmission control module, voice data pond receives the audio frequency upstream data bag after resolving, issue decoder module, decoder module is decoded to the audio frequency upstream data bag after resolving, and decoded data are issued to coding module, decoded data are packaged into RTP upstream data bag by coding module, issues transmission control module, and RTP upstream data bag is mail to IMS core net by transmission control module;
Wherein, voice data pond, decoder module, coding module and transmission control module all can be included in the resolution unit of device of access IMS core net.
Step 4, transmission control module receive the RTP downlink data packet that IMS core net is returned, issue voice data pond, RTP downlink data packet is sent to decoder module by voice data pond, decoded data are issued coding module by decoder module, coding module is packaged into decoded data the audio frequency downlink data packet that adopts RTMP agreement, sends to FMS;
The audio frequency downlink data packet receiving is sent to Flash client by step 5, FMS.
Embodiment tri-
The present embodiment, take client as Flash terminal is as example, illustrates the SSO authorizing procedure that obtains mobile microblogging platform in login by ICGW gateway, and as shown in Figure 5, the present embodiment comprises the following steps:
Step 1, Flash client send account logging request to ICGW gateway;
Step 2, ICGW gateway send request authentication message to middle mobile microblogging platform, and the response message that in reception, mobile microblogging platform returns, returns to SSO(Single Sign On, single-sign-on to Flash client afterwards) information is so that Flash client storage;
Step 3, ICGW gateway send inquiry package information message to middle mobile microblogging platform, and the package information that in receiving, mobile microblogging platform returns;
Step 4, ICGW gateway send inquiry core net binding information message to middle mobile microblogging platform, and the core net binding information that in receiving, mobile microblogging platform returns;
Step 5, ICGW gateway obtain information according to inquiry and send account registration message to IMS core net, and the authentication that reception IMS core net is returned is challenged 401 message;
Step 6, ICGW gateway send to IMS core net the message that carries authorization data again, receive 200 message that succeed in registration that IMS core net is returned.
Afterwards Flash client can directly access by the SSO obtaining in mobile microblogging platform resource, realize single-sign-on.
In the time that user terminal need to be accessed third-party platform by mobile radio communication, to IMS core net application application insertion authority, and obtain IMS core net provide authorization identifying information (as App Key and Secret Key), configuration application access data on ICGW gateway, third-party platform is at own website deploy configuration application access data simultaneously, when using, user terminal first sends request to third-party platform, third-party platform initiates to consult to ICGW gateway, generate unique key, returning to user terminal preserves, user terminal uses this key to complete the login authentication in this business with ICGW gateway.
In the time that third-party platform needs integrated use mobile network business, need on ICGW gateway, obtain Authorization Code and obtain Access Token, if authentication is directly used the business in mobile network by the rear pattern that just can embed by FLASH.Also the business in mobile network can be added in other social networks as third party's application simultaneously, call for the account in third party's social networks.The pattern that now ICGW gateway confirms code by note the user of binding is first carried out to two-way account binding and the mode reminding user reminded by note in the business using in mobile network, avoid account to lose the risk causing.
In the embodiment of the present invention, ICGW gateway is by providing the application interface without plug-in unit, allow pure internet, applications obtain the ability of access mobile communication net, interface encapsulation adopts the mode of Flash+JS, offers third-party platform with the form that meets most the Internet ecology.IMS core net, as the main bearing system of mobile communication business, also without making any modification for adaptive internet terminal, is still accepted service request with standard agreement and mode herein.
Many functional parts described in this specification are all called as unit, module, to emphasize more especially the independence of its implementation.
In the embodiment of the present invention, module can realize with software, to carried out by various types of processors.For instance, the executable code module of a mark can comprise one or more physics or the logical block of computer instruction, and for instance, it can be built as object, process or function.However, the executable code of institute's identification module is without being physically located in together, but can comprise and be stored in different different instructions physically, in the time combining in these command logics, and its composition module and realize the regulation object of this module.
In fact, executable code module can be individual instructions or many instructions, and even can be distributed on multiple different code segments, is distributed in the middle of distinct program, and crosses over multiple memory devices distributions.Similarly, operating data can be identified in module, and can realize and be organized in the data structure of any suitable type according to any suitable form.Described operating data can be used as individual data collection and is collected, or can be distributed on diverse location and (be included in different storage device), and can only be present on system or network as electronic signal at least in part.
In the time that module can utilize software to realize, consider the level of existing hardware technique, so module that can realize with software, in the situation that not considering cost, those skilled in the art can build corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises conventional ultra-large integrated (VLSI) circuit or gate array and the existing semiconductor such as logic chip, transistor or other discrete element.Module can also be used programmable hardware device, realizations such as field programmable gate array, programmable logic array, programmable logic device.
In the each embodiment of the method for the present invention; the sequence number of described each step can not be used for limiting the sequencing of each step; for those of ordinary skills, do not paying under the prerequisite of creative work, the priority of each step is changed also within protection scope of the present invention.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a method that accesses IMS core net, is characterized in that, comprising:
Receive the service message that client sends;
Described service message is resolved, and build IMS protocol message according to the content after resolving;
Described IMS protocol message is sent to IMS core net, sets up the service channel between client and IMS core net.
2. the method for access IMS core net according to claim 1, it is characterized in that, the service message that described reception client sends, described service message is resolved, and build IMS protocol message according to the content after resolving, described IMS protocol message is sent to IMS core net, and the service channel of setting up between client and IMS core net comprises:
Receive the message related to calls of the employing Internet protocol of client transmission;
Described message related to calls is resolved, build IMS-SIP INVITE according to the content after resolving;
Described IMS-SIP INVITE is sent to IMS core net, sets up the audio frequency media passage between client and IMS core net.
3. the method for access IMS core net according to claim 2, is characterized in that, after the described audio frequency media passage of setting up between client and IMS core net, also comprises:
Receive the audio frequency upstream data bag of the employing Internet protocol of client transmission;
Described audio frequency upstream data bag is resolved and decoded, to decoded data recompile and be packaged into RTP upstream data bag;
Described RTP upstream data bag is sent to IMS core net;
Receive the RTP downlink data packet that IMS core net is returned;
Described RTP downlink data packet is resolved and decoded, to decoded data recompile and be packaged into and adopt the audio frequency downlink data packet of described Internet protocol;
Described audio frequency downlink data packet is sent to described client.
4. the method for access IMS core net according to claim 1, it is characterized in that, the service message that described reception client sends, described service message is resolved, and build IMS protocol message according to the content after resolving, described IMS protocol message is sent to IMS core net, and the service channel of setting up between client and IMS core net comprises:
Receive the account logging request that carries platform information that client sends;
Described account logging request is resolved, obtain authentication information according to the content after resolving from corresponding platform, build account registration message according to described authentication information;
Described account registration message is sent to IMS core net.
5. the method for access according to claim 4 IMS core net, is characterized in that, describedly obtains authentication information according to the content after resolving from corresponding platform, builds account registration message comprise according to described authentication information:
Send request authentication message according to the content after resolving to corresponding platform, receive the response message that described platform returns;
The query messages that sends request inquiry authentication information to described platform, receives and preserves the authentication information that described platform returns.
6. a device that accesses IMS core net, is characterized in that, comprising:
Receiving element, the service message sending for receiving client;
Resolution unit, for described service message is resolved, and builds IMS protocol message according to the content after resolving;
Transmitting element, for described IMS protocol message is sent to IMS core net, sets up the service channel between client and IMS core net.
7. the device of access IMS core net according to claim 6, is characterized in that,
The message related to calls of the employing Internet protocol that described receiving element sends specifically for reception client;
Described resolution unit, specifically for described message related to calls is resolved, builds IMS-SIP INVITE according to the content after resolving;
Described transmitting element, specifically for described IMS-SIP INVITE is sent to IMS core net, is set up the audio frequency media passage between client and IMS core net.
8. the device of access IMS core net according to claim 7, is characterized in that,
The audio frequency upstream data bag of employing Internet protocol that described receiving element also sends for receiving client;
Described resolution unit is also for described audio frequency upstream data bag is resolved and decoded, to decoded data recompile and be packaged into RTP upstream data bag;
Described transmitting element is also for being sent to IMS core net by described RTP upstream data bag;
The RTP downlink data packet that described receiving element also returns for receiving IMS core net;
Described resolution unit is also for described RTP downlink data packet is resolved and decoded, to decoded data recompile and be packaged into the audio frequency downlink data packet that adopts described Internet protocol;
Described transmitting element is also for being sent to described client by described audio frequency downlink data packet.
9. the device of access IMS core net according to claim 6, is characterized in that,
The account logging request that carries platform information that described receiving element also sends for receiving client;
Described resolution unit also, for described IMS protocol message is sent to IMS core net, is set up the service channel between client and IMS core net.
Described transmitting element is also for being sent to IMS core net by described account registration message.
10. the device of access IMS core net according to claim 9, is characterized in that,
Described resolution unit, specifically for sending request authentication message according to the content after resolving to corresponding platform, receives the response message that described platform returns; The query messages that sends request inquiry authentication information to described platform, receives and preserves the authentication information that described platform returns.
11. 1 kinds of ICGW gateways, is characterized in that, comprise the device of the access IMS core net as described in any one in claim 6-10.
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Application publication date: 20140702 |
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