CN104780521A - Data roaming method, device and system - Google Patents

Data roaming method, device and system Download PDF

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Publication number
CN104780521A
CN104780521A CN201510223963.2A CN201510223963A CN104780521A CN 104780521 A CN104780521 A CN 104780521A CN 201510223963 A CN201510223963 A CN 201510223963A CN 104780521 A CN104780521 A CN 104780521A
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China
Prior art keywords
sim
user terminal
identification module
customer identification
request
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CN201510223963.2A
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Chinese (zh)
Inventor
杨开勇
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Gigaset Digital Technology Shenzhen Co Ltd
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Gigaset Digital Technology Shenzhen Co Ltd
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Priority to CN201510223963.2A priority Critical patent/CN104780521A/en
Publication of CN104780521A publication Critical patent/CN104780521A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support

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  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention discloses a data roaming method. The method includes the steps that a static subscriber identity module (SIM) is started; a dynamic subscriber identity module (SIM) acquisition request is sent to a server through the static subscriber identity module (SIM), and the dynamic subscriber identity module (SIM) acquisition request is used for acquiring the overseas number of a user terminal; when the dynamic subscriber identity module (SIM) acquisition request is successful, the overseas number, sent by the server, of the user terminal is received; data service is conducted through the overseas number, and the server is informed that the overseas number is used. The embodiment of the invention further provides a data roaming device and system. By means of the data roaming method, device and system, data service can be conducted overseas through the overseas number, international data roaming close to the local expenses is achieved through double numbers in a single SIM card, and user experience is improved to a larger extent.

Description

A kind of method of data roaming, Apparatus and system
Technical field
The embodiment of the present invention relates to mobile communication technology, particularly relates to a kind of method of data roaming, Apparatus and system.
Background technology
Along with the development of society and the intensification of globalization degree, increasing people can cross-borderly go abroad.Simultaneously, along with the fast development of mobile Internet and the universal of smart mobile phone, make the contact between them more and more tightr.People have urgent demand to connecting the Internet whenever and wherever possible.At present, the rate of international roaming are partially expensive, for data service, calculate according to international roaming network minimal standard 0.005 yuan/KB, if user uses 50MB every day, the rate of generation are 256 yuan.This is a very large expense.In addition, the expense of voice, SMS and MMS is also very high.And local SIM card set meal contains sufficient data traffic, data traffic wants cheap compared to voice, SMS rate, concerning most of situation, usage data business can carry out alternative traditional circuit-switched service.
At present, the existing portable wideband wireless device (MIFI, Mobile WirelessFidelity) supporting international roaming, integrates modulator-demodulator, router and access point three function.Internal modem can be accessed by a wireless signal, and internal router can share this connection between multiple user and wireless device.
But use the rate of MIFI equipment relative to local rate or higher, meanwhile, user also needs to carry a like this MIFI equipment, inconvenient for user.
Summary of the invention
Embodiments provide a kind of method of data roaming, Apparatus and system, can use overseas like this this overseas number carry out data service, by one card even numbers realize roam close to the ID of local rate, lifting Consumer's Experience to a great extent.
Embodiment of the present invention first aspect provides a kind of method of data roaming, comprising:
Start static client identification module SIM;
Send dynamic customer identification module SIM by described static client identification module SIM to server and obtain request, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
When described dynamic customer identification module SIM obtain request by time, receive the number overseas of the described user terminal sent by described server;
Described in using, overseas number carries out data service, and notify described server used described in overseas number.
In conjunction with the first aspect of the embodiment of the present invention, in the implementation that the first is possible, before the number overseas of the described user terminal that described reception is sent by described server, described method also comprises:
Receive the key and SIM information that are sent by described server;
Described SIM information is decrypted;
Judge whether the SIM information after described deciphering is effective information;
If the SIM information after described deciphering is effective information, then by described SIM information write dynamic customer identification module SIM;
If the SIM information after described deciphering is invalid information, then do not write described dynamic customer identification module SIM.
In conjunction with the first aspect of the embodiment of the present invention, in the implementation that the second is possible, describedly send after dynamic customer identification module SIM obtains request by described static client identification module SIM to server, described method also comprises:
When described dynamic customer identification module SIM obtains request for invalidation request, receive the information that the refusal sent by described server described dynamic customer identification module SIM obtains request;
Stop the number overseas obtaining described user terminal.
In conjunction with the first possibility implementation of embodiment of the present invention first aspect, in the implementation that the third is possible, if the SIM information after described deciphering is invalid information, does not then write described dynamic customer identification module SIM, comprising:
Again send described dynamic customer identification module SIM to described server and obtain request;
Judge whether in preset time, receive the SIM information sent by described server;
If receive the described SIM information sent by described server in preset time, then described SIM information is decrypted, and by the SIM information write dynamic customer identification module SIM after described deciphering;
If do not receive the described SIM information sent by described server in preset time, then stop the number overseas obtaining described user terminal.
Embodiment of the present invention second aspect provides a kind of method of data roaming, comprising:
Receive the dynamic customer identification module SIM sent from user terminal and obtain request, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
When described dynamic customer identification module SIM obtain request by time, send number overseas to user terminal;
Receive by described user terminal send use described in the notice of overseas number.
In conjunction with the second aspect of the embodiment of the present invention, in the implementation that the first is possible, after the dynamic customer identification module SIM that described reception sends from user terminal obtains request, described method also comprises:
Obtain request according to described dynamic customer identification module SIM and judge whether request is effective request;
If described dynamic customer identification module SIM obtains request for effectively request, then determine that described user terminal is by checking;
If described dynamic customer identification module SIM obtains request for invalidation request, then send to described user terminal the information that the described dynamic customer identification module SIM of refusal obtains request.
In conjunction with the second aspect of the embodiment of the present invention, in the implementation that the second is possible, describedly to send overseas before number to user terminal, described method also comprises:
Send key and SIM information to described user terminal, to make described user terminal, described SIM information is decrypted.
In conjunction with the first possible implementation of embodiment of the present invention second aspect, in the implementation that the third is possible, described method also comprises:
If the SIM information after described user terminal deciphering is invalid information, then the described dynamic customer identification module SIM again accepting to be sent by described user terminal obtains request;
SIM information is sent to described user terminal in preset time.
The embodiment of the present invention third aspect provides a kind of user terminal, comprising:
Opening module, for starting static client identification module SIM;
Sending module, send dynamic customer identification module SIM acquisition request for the static client identification module SIM after being opened by described opening module to server, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
First receiver module, for obtain as the dynamic customer identification module SIM that described sending module sends request by time, receive the number overseas of the described user terminal sent by described server;
Business module, carries out data service for the number overseas using described first receiver module to receive, and notify described server used described in overseas number.
In conjunction with the third aspect of the embodiment of the present invention, in the implementation that the first is possible, described user terminal also comprises:
Second receiver module, before receiving the number overseas of the described user terminal sent by described server, receives the key and SIM information that are sent by described server for described first receiver module;
Deciphering module, is decrypted for the SIM information received described second receiver module;
Judge module, for judging whether the SIM information after the deciphering of described deciphering module is effective information;
Writing module, if judge that the SIM information after deciphering is effective information for described judge module, then by described SIM information write dynamic customer identification module SIM;
Refuse writing module, if judge that the SIM information after deciphering is invalid information for described judge module, then do not write described dynamic customer identification module SIM.
In conjunction with the third aspect of the embodiment of the present invention, in the implementation that the second is possible, described user terminal also comprises:
3rd receiver module, after sending dynamic customer identification module SIM acquisition request for described sending module, when described dynamic customer identification module SIM obtains request for invalidation request, receive the information that the refusal sent by described server described dynamic customer identification module SIM obtains request;
Stopping modular, after receiving the information of described dynamic customer identification module SIM acquisition request, stops the number overseas obtaining described user terminal for the 3rd receiver module.
May implementation in conjunction with the first of the embodiment of the present invention third aspect, in the implementation that the third is possible, described in refuse writing module and comprise:
Transmitting element, obtains request for again sending described dynamic customer identification module SIM to described server;
Judging unit, for send described dynamic customer identification module SIM acquisition request at described transmitting element after, judges whether in preset time, receive the SIM information sent by described server;
Decryption unit, receives if judge for described judging unit the described SIM information sent by described server, is then decrypted described SIM information in preset time, and by the SIM information write dynamic customer identification module SIM after described deciphering;
Stop element, does not receive if judge for described judging unit the described SIM information sent by described server in preset time, then stop the number overseas obtaining described user terminal.
Embodiment of the present invention fourth aspect provides a kind of server, comprising:
First receiver module, obtain request for receiving the dynamic customer identification module SIM sent from user terminal, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
First sending module, when described first receiver module receive dynamic customer identification module SIM obtain request by time, send number overseas to user terminal;
Second receiver module, for send when described first sending module overseas number is effective time, receive by described user terminal send use described in the notice of overseas number.
In conjunction with the fourth aspect of the embodiment of the present invention, in the implementation that the first is possible, described server also comprises:
Judge module, after receiving the dynamic customer identification module SIM acquisition request sent from user terminal, obtains request according to described dynamic customer identification module SIM and judges whether request is effective request for described first receiver module;
By module, if judge that dynamic customer identification module SIM obtains request as effectively request for described judge module, then determine that described user terminal is by checking;
Refusal module, if judge that dynamic customer identification module SIM obtains request as invalidation request for described judge module, then sends to described user terminal the information that the described dynamic customer identification module SIM of refusal obtains request.
In conjunction with the fourth aspect of the embodiment of the present invention, in the implementation that the second is possible, described server also comprises:
Second sending module, sends overseas before number for described first sending module to user terminal, sends key and SIM information, be decrypted to make described user terminal to described SIM information to described user terminal.
In conjunction with the first possible implementation of embodiment of the present invention fourth aspect, in the implementation that the third is possible, described server also comprises:
Second receiver module, if be invalid information for the SIM information of the described second sending module transmission after described user terminal deciphering, then the described dynamic customer identification module SIM again accepting to be sent by described user terminal obtains request;
3rd sending module, after again accepting the described dynamic customer identification module SIM acquisition request sent by described user terminal, sends SIM information to described user terminal for described second receiver module in preset time.
The embodiment of the present invention the 5th aspect provides a kind of system of data roaming, comprising: user terminal and server;
Described user terminal is the embodiment of the present invention third aspect, the third aspect the first may user terminal according to any one of implementation to the third;
Described server is embodiment of the present invention fourth aspect, fourth aspect the first may server according to any one of implementation to the third.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In the embodiment of the present invention, when user terminal is moved to overseas, start static client identification module SIM, send dynamic customer identification module SIM by static client identification module SIM to server and obtain request, ask by time, receive the key sent by server, when key is effective, the number overseas of the user terminal obtained, and announcement server has used number overseas.Can use overseas like this this overseas number carry out data service, by one card even numbers realize roam close to the ID of local rate, lifting Consumer's Experience to a great extent.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Method embodiment schematic diagram of data roaming in Fig. 1 embodiment of the present invention;
Another embodiment schematic diagram of method of data roaming in Fig. 2 embodiment of the present invention;
User terminal embodiment schematic diagram in Fig. 3 embodiment of the present invention;
Another embodiment schematic diagram of user terminal in Fig. 4 embodiment of the present invention;
Another embodiment schematic diagram of user terminal in Fig. 5 embodiment of the present invention;
Another embodiment schematic diagram of user terminal in Fig. 6 embodiment of the present invention;
Server embodiment schematic diagram in Fig. 7 embodiment of the present invention
Another embodiment schematic diagram of server in Fig. 8 embodiment of the present invention;
Another embodiment schematic diagram of server in Fig. 9 embodiment of the present invention;
Another embodiment schematic diagram of server in Figure 10 embodiment of the present invention;
The embodiment schematic diagram of data roaming system in Figure 11 embodiment of the present invention.
Embodiment
Embodiments providing a kind of method of data roaming, for using overseas number overseas to carry out data service, realizing roaming close to the ID of local rate by a card even numbers.The embodiment of the present invention additionally provides the device of corresponding data roaming.Below be described in detail respectively.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Be described in detail the method for the data roaming in the present invention below, refer to Fig. 1, the embodiment of the method for a kind of data roaming that the embodiment of the present invention provides comprises:
101, static client identification module SIM is started;
In the present embodiment, when user terminal is carried into overseas by user, by third party application (APP, Application) static client identification module (SIM is opened, Subscriber Identity Module), and this static client identification module SIM has opened roaming function.
In the present embodiment, in a SIM card, contain two modules, being static client identification module SIM and dynamic customer identification module SIM respectively, is separate between them, each sim module is similar to common SIM card, the full detail containing a SIM card inside.Static client identification module SIM is that one-time write is inner and can not the sim module of erase/write information when dispatching from the factory; And the partial data of dynamic customer identification module SIM writes in advance, but also some key message can repeat erasable, such as international mobile subscriber identity (IMSI, International Mobile Subscriber IdentificationNumber), between SIM card and operator enciphered data transmit key (Ki, Key identifier) and integrated circuit card identification code (ICCID, Integrate circuit card identity) etc.
Be understandable that no matter at any time, in a SIM card, to only have a sim module to be in effective status, owing to needing the real-time ensureing international roaming, so require that static client identification module SIM opens roaming function.
It should be noted that, APP refers to specifically mutual for cloud server and user terminal software, and can be Subscriber Identity Module application development tool (STK, SIM Tool Kit), also can be other App softwares, so locate not limit.
102, send dynamic customer identification module SIM by static client identification module SIM to server and obtain request, dynamic customer identification module SIM obtains the overseas number of request for obtaining user terminal;
In the present embodiment, the user terminal that user carries enters overseas, and the App software on user terminal first can close dynamic customer identification module SIM, and opens static client identification module SIM; User terminal is by the server transmission dynamic customer identification module SIM acquisition request of static client identification module SIM to high in the clouds, and this dynamic customer identification module SIM acquisition request is the number overseas for obtaining user terminal.
103, when dynamic customer identification module SIM obtain request by time, receive the number overseas of the user terminal sent by server;
In the present embodiment, when the server in high in the clouds can determine dynamic customer identification module SIM obtain request by time, user terminal can receive the number overseas of the user terminal sent by server.
104, use number overseas to carry out data service, and announcement server has used number overseas;
In the present embodiment, get overseas after number at user terminal, can use this overseas number carry out the data service that needs, can use this number overseas by announcement server simultaneously, be convenient to server and check numbers and carry out unified management.
In the embodiment of the present invention, when user terminal is moved to overseas, start static SIM, send dynamic customer identification module SIM by static client identification module SIM to server and obtain request, ask by time, receive the key sent by server, when key is effective, the number overseas of the user terminal obtained, and announcement server has used number overseas.Can use overseas like this this overseas number carry out data service, by one card even numbers realize roam close to the ID of local rate, lifting Consumer's Experience to a great extent.
Alternatively, on the basis of embodiment corresponding to above-mentioned Fig. 1, in first embodiment of the data roaming method that the embodiment of the present invention provides, before receiving the number overseas of the user terminal sent by server, can also comprise:
Receive the key and SIM information that are sent by server;
SIM information is decrypted;
Judge whether the SIM information after deciphering is effective information;
If the SIM information after deciphering is effective information, then by SIM information write dynamic customer identification module SIM;
If the SIM information after deciphering is invalid information, then do not write dynamic customer identification module SIM.
In the present embodiment, user terminal is before receiving the number overseas of user terminal sent by server, and the key that reception server sends, and carry out cipher key interaction with the server in high in the clouds, this key is used for subsequent decryption number information.User terminal receives the SIM information sent by server, and SIM information is the relevant information preparing write dynamic customer identification module SIM.User terminal is decrypted SIM information by APP, whether be that effective information judges to SIM information simultaneously, if deciphering the SIM information obtained is effective information, namely SIM information by secret key decryption obtain overseas number time, effective information is sent to communication modem (modulator-demodulator, Modem) bottom software, SIM information write dynamic customer identification module SIM, upgrades interior data; If deciphering the SIM information that obtains is invalid information, namely SIM information by secret key decryption do not obtain overseas number time, then do not carry out the write of dynamic customer identification module SIM.
Secondly, in the embodiment of the present invention, user terminal is decrypted it for SIM information, when to obtain SIM information be effective information in deciphering, just by this SIM information write dynamic customer identification module SIM, if SIM information is invalid information, then dynamic customer identification module SIM can not be write.So, user can be made to obtain number overseas under secure conditions, and this number is authentic and valid, improves actual application ability of the present invention.
Alternatively, on the basis of embodiment corresponding to above-mentioned Fig. 1, in second embodiment of the data roaming method that the embodiment of the present invention provides, send after dynamic customer identification module SIM obtains request by static client identification module SIM to server, can also comprise:
When dynamic customer identification module SIM obtains request for invalidation request, receive the information that the refusal dynamic customer identification module SIM sent by server obtains request;
Stop the number overseas obtaining user terminal.
In the present embodiment, if when the dynamic customer identification module SIM acquisition request that server authentication user terminal sends is invalidation request, illustrate that this request may be illegal request, now the server in high in the clouds can refuse the renewal of this overseas number, and refuse information is sent to user terminal.
It should be noted that, the situation that usual request is invalid can be that user terminal is ravesdropping, also can be user terminal by other people remote control, concrete condition judges according to the fail safe of user terminal, limits so place does not obtain the invalid situation of request to checking dynamic customer identification module SIM.
Again, in the embodiment of the present invention, propose a kind of dynamic customer identification module SIM that refuses and obtain the situation of asking, the server when high in the clouds carries out fail safe authentication to this request, when the user obtaining sending this request is for disabled user, the number overseas that namely refusal carries out this upgrades.Like this, fail safe and the practicality of the present invention program can be promoted to a great extent.
Alternatively, on the basis of first embodiment corresponding to above-mentioned Fig. 1, in the 3rd embodiment of the data roaming method that the embodiment of the present invention provides, if the SIM information after deciphering is invalid information, then do not write dynamic customer identification module SIM, can comprise:
Again send dynamic customer identification module SIM to server and obtain request;
Judge whether in preset time, receive the SIM information sent by server;
The SIM information sent by described server if receive in preset time, be then decrypted SIM information, and by the SIM information write dynamic customer identification module SIM after deciphering;
The SIM information sent by server if do not receive in preset time, then stop the number overseas obtaining user terminal.
In the present embodiment, if when the SIM information obtained after the APP deciphering of user terminal is invalid information, user terminal again can also send dynamic customer identification module SIM to server and obtain request, and then judge whether in preset time, receive the SIM information sent by server, if have received the SIM information that server sends in preset time, then SIM information is decrypted, and the effective information obtained after deciphering is sent to Modem bottom software, and SIM information write dynamic customer identification module SIM.If do not receive the SIM information sent by server in preset time, then user terminal can carry out timeout treatment, stops the number overseas continuing to obtain user terminal, and closes the data service of static client identification module SIM.
Be understandable that, calculate a APP that preset time can be user terminal, also can be the timing software that user terminal carries, not limit herein.
It should be noted that, preset time can be set as 5 seconds, or 10 seconds, can also be other rational preset times, so place does not limit.
Further, in the embodiment of the present invention, relate to message retransmission and limited time mechanism and retransmit timeout treatment mechanism, to tackle situation about there will be in actual applications, simultaneously, the data service of static client identification module SIM can be closed when retransmitting time-out, avoiding occurring expensive data roaming services, experience sense time user is actual to be used can be strengthened further.
Be all from the angle of user terminal, data roaming the present invention is described in example above, below the angle from server be described the method for data roaming in the present invention.Refer to Fig. 2, another embodiment of data roaming method of the present invention comprises:
201, receive the dynamic customer identification module SIM sent from user terminal and obtain request, dynamic customer identification module SIM obtains the overseas number of request for obtaining user terminal;
In the present embodiment, server receives the dynamic customer identification module SIM sent from user terminal and obtains request, it is number overseas for obtaining user terminal that this dynamic customer identification module SIM obtains request, and the number of the server-assignment one that is to say user terminal requests high in the clouds overseas country is written in dynamic customer identification module SIM.
202, when dynamic customer identification module SIM obtain request by time, send number overseas to user terminal;
In the present embodiment, the dynamic customer identification module SIM that server can send user terminal obtains request and carries out authentication, when obtaining dynamic customer identification module SIM acquisition request after authentication and passing through, that is use the user of this user terminal for validated user, now, server can send the number overseas of user terminal to user terminal.
203, the notice using number overseas sent by user terminal is received.
In the present embodiment, when user terminal obtain overseas number time, server can receive the notice using number overseas sent by user terminal.
Server can be responsible for the calculating of rate, the distribution of number and recovery, secure authentication, and subscriber information management and service request quit the subscription of management etc., and the APP of server and user terminal carries out data interaction, is to adopt the mode of encryption to carry out.
It should be noted that, for the number application of user terminal, server can obtain from carrier side.Also can in the SIM card data of server stores batch, according to strategy, balanced assignment numbers is to user terminal, so place does not limit concrete number checking method.
In the embodiment of the present invention, server receive from user terminal send dynamic customer identification module SIM obtain request, when dynamic customer identification module SIM obtain request by time, to user terminal send key, when key is effective, receive the notice using number overseas sent by user terminal.Such user can use number overseas to carry out data service overseas, realize roaming close to the ID of local rate, lifting Consumer's Experience to a great extent by a card even numbers.
Alternatively, on the basis of embodiment corresponding to above-mentioned Fig. 2, in first embodiment of the data roaming method that the embodiment of the present invention provides, receive after the dynamic customer identification module SIM sent from user terminal obtains request, can also comprise:
Obtain request according to dynamic customer identification module SIM and judge whether request is effective request;
If dynamic customer identification module SIM obtains request for effectively request, then determine that user terminal passes through checking;
If dynamic customer identification module SIM obtains request for invalidation request, then send to user terminal the information that the described dynamic customer identification module SIM of refusal obtains request.
In the present embodiment, after server receives the dynamic customer identification module SIM acquisition request of user terminal transmission, obtain request according to this dynamic customer identification module SIM and judge whether it is effective request, particularly, the dynamic customer identification module SIM that server can send user terminal obtains request and carries out authentication, determine whether validated user with this, if determine after authentication, this request is for effectively request, then determine that user terminal passes through checking; On the contrary, as determined after authentication, this request is invalidation request, then about the information sending a refusal to user terminal and obtain number overseas.
Secondly, in the embodiment of the present invention, propose a kind of dynamic customer identification module SIM that refuses and obtain the situation of asking, when server carries out fail safe authentication to this request, when the user obtaining sending this request is for disabled user, the number overseas that namely refusal carries out this upgrades.Like this, fail safe and the practicality of the present invention program can be promoted to a great extent.
Alternatively, on the basis of embodiment corresponding to above-mentioned Fig. 2, in second embodiment of the data roaming method that the embodiment of the present invention provides, send overseas before number to user terminal, can also comprise:
Send key and SIM information to described user terminal, to make user terminal, SIM information is decrypted.
In the present embodiment, server sends overseas before number to user terminal, first can send key to user terminal, through the cipher key interaction with user terminal and after confirming that key is correct, send SIM information to user terminal, user terminal is decrypted it for SIM information, and judge whether the SIM information after deciphering is effective information, only when SIM information is effective information, just by SIM information write dynamic customer identification module SIM.
Again, in the embodiment of the present invention, server sends SIM information to user terminal, user terminal is decrypted SIM information, and confirm whether this SIM information is effective information, if invalid information would not write dynamic customer identification module SIM, user can be made like this to obtain number overseas under secure conditions, add the practicality of scheme simultaneously, improve actual application ability of the present invention.
Alternatively, on the basis of second embodiment corresponding to above-mentioned Fig. 2, in the 3rd embodiment of the data roaming method that the embodiment of the present invention provides, can also comprise:
If the SIM information after user terminal deciphering is invalid information, then the dynamic customer identification module SIM again accepting to be sent by user terminal obtains request;
SIM information is sent to user terminal in preset time.
In the present embodiment, if user terminal decrypted SIM information, and when confirming that this SIM information is invalid information, then user terminal again can send dynamic customer identification module SIM to server and obtain request, understandably, server also correspondingly can receive the dynamic customer identification module SIM acquisition request that user terminal sends again.
Similarly, server can obtain request to this dynamic customer identification module SIM and carry out authentication, determines that user is after validated user, can send SIM information in preset time to user terminal.
It should be noted that, preset time can be set as 5 seconds, or 10 seconds, can also be other rational preset times, so place does not limit.
Further, in the embodiment of the present invention, relate to message retransmission and limited time mechanism and retransmit timeout treatment mechanism, to tackle situation about there will be in actual applications, simultaneously, the core of server system as a whole, can send information to user terminal and carry out authentication, to ensure the safety that user uses, also enhance practicality.
For ease of understanding, being described in detail with the method for an embody rule scene to data roaming a kind of in the present invention below, being specially:
User A, at present in China, have purchased the mobile phone that is supported native system, comprises the card even numbers SIM card that the present invention mentions.At the static client identification module sim module of this SIM card, the built-in number of China Mobile.User opens international roaming function by the App software of mobile phone terminal, and so cloud server can open the ID roaming function of this card, and opens charge system.
Present user A needs Berlin, Germany to go on business, and reaches Germany domestic, and mobile phone terminal App software is by functional modules such as GPS or AGPS, and determining current location is not China, is that Germany is domestic.Because current phone can use static client identification module sim module to be linked into network, mobile phone terminal App software just can be linked into cloud server automatically, proposes local number application.Containing mobile phone IMEI number, No. ICCID of static client identification module sim module, user account information and location message in number application content.Cloud server receives the number application information of user A, can carry out authentication to this user profile, differentiates the user whether opening this service.If authentication success, cloud server can first send key to mobile phone terminal, and then a SIM card information (containing key messages such as IMSI, Ki, ICCID) containing local number is sent to mobile phone terminal in the mode of encrypting.
The mobile phone of user A receives ciphertext, and corresponding App software can be deciphered it and differentiate its validity.If data are effective, response message can be sent to cloud server.Cloud server can be checked numbers and to be bound with user, reclaims for follow-up charging and number.The mobile phone A pp software of user A can decipher after SIM card information be issued to the dynamic customer identification module SIM card module of SIM card, carry out the renewal of SIM card information.Upgrade complete, static client identification module SIM card can be closed in Modem side, and opens dynamic customer identification module SIM card.So far, the local number that user A just can newly upgrade is linked into local mobile network, uses its data service.
Be described in detail the user terminal in the present invention below, refer to Fig. 3, the user terminal in the embodiment of the present invention comprises:
Opening module 301, for starting static client identification module SIM;
Sending module 302, send dynamic customer identification module SIM acquisition request for the static client identification module SIM after being opened by described opening module 301 to server, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
First receiver module 303, for obtain as the dynamic customer identification module SIM that described sending module 302 sends request by time, receive the number overseas of the described user terminal sent by described server;
Business module 304, carries out data service for the number overseas using described first receiver module 303 to receive, and notify described server used described in overseas number.
In the present embodiment, opening module 301 starts static client identification module SIM, sending module 302 sends dynamic customer identification module SIM by the static client identification module SIM after opening module 301 unlatching to server and obtains request, dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal, when the dynamic customer identification module SIM acquisition request that sending module 302 sends is passed through, first receiver module 303 receives the number overseas of the user terminal sent by server, the number overseas that business module 304 uses the first receiver module 303 to receive carries out data service, and announcement server has used number overseas.
In the embodiment of the present invention, when user terminal is moved to overseas, start static client identification module SIM, send dynamic customer identification module SIM by static client identification module SIM to server and obtain request, ask by time, receive the key sent by server, when key is effective, the number overseas of the user terminal obtained, and announcement server has used number overseas.Can use overseas like this this overseas number carry out data service, by one card even numbers realize roam close to the ID of local rate, lifting Consumer's Experience to a great extent.
Refer to Fig. 4, another embodiment of the user terminal in the embodiment of the present invention comprises:
Opening module 301, for starting static client identification module SIM;
Sending module 302, send dynamic customer identification module SIM acquisition request for the static client identification module SIM after being opened by described opening module 301 to server, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
First receiver module 303, for obtain as the dynamic customer identification module SIM that described sending module 302 sends request by time, receive the number overseas of the described user terminal sent by described server;
Second receiver module 305, before receiving the number overseas of the described user terminal sent by described server, receives the key and SIM information that are sent by described server for described first receiver module 303;
Deciphering module 306, is decrypted for the SIM information received described second receiver module 305;
Judge module 307, for judging whether the SIM information after the deciphering of described deciphering module 306 is effective information;
Writing module 308, if judge that the SIM information after deciphering is effective information for described judge module 307, then by described SIM information write dynamic customer identification module SIM;
Refuse writing module 309, if judge that the SIM information after deciphering is invalid information for described judge module 307, then do not write described dynamic customer identification module SIM;
Business module 304, carries out data service for the number overseas using described first receiver module 303 to receive, and notify described server used described in overseas number.
Secondly, in the embodiment of the present invention, user terminal is decrypted it for SIM information, when to obtain SIM information be effective information in deciphering, just by this SIM information write dynamic customer identification module SIM, if SIM information is invalid information, then dynamic customer identification module SIM can not be write.So, user can be made to obtain number overseas under secure conditions, and this number is authentic and valid, improves actual application ability of the present invention.
Refer to Fig. 5, another embodiment of the user terminal in the embodiment of the present invention comprises:
Opening module 301, for starting static client identification module SIM;
Sending module 302, send dynamic customer identification module SIM acquisition request for the static client identification module SIM after being opened by described opening module 301 to server, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
3rd receiver module 310, after sending dynamic customer identification module SIM acquisition request for described sending module 302, when described dynamic customer identification module SIM obtains request for invalidation request, receive the information that the refusal sent by described server described dynamic customer identification module SIM obtains request;
Stopping modular 311, after receiving the information of described dynamic customer identification module SIM acquisition request, stops the number overseas obtaining described user terminal for the 3rd receiver module 310;
First receiver module 303, for obtain as the dynamic customer identification module SIM that described sending module 302 sends request by time, receive the number overseas of the described user terminal sent by described server;
Business module 304, carries out data service for the number overseas using described first receiver module 303 to receive, and notify described server used described in overseas number.
Again, in the embodiment of the present invention, propose a kind of dynamic customer identification module SIM that refuses and obtain the situation of asking, the server when high in the clouds carries out fail safe authentication to this request, when the user obtaining sending this request is for disabled user, the number overseas that namely refusal carries out this upgrades.Like this, fail safe and the practicality of the present invention program can be promoted to a great extent.
Refer to Fig. 6, another embodiment of the user terminal in the embodiment of the present invention comprises:
Opening module 301, for starting static client identification module SIM;
Sending module 302, send dynamic customer identification module SIM acquisition request for the static client identification module SIM after being opened by described opening module 301 to server, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
First receiver module 303, for obtain as the dynamic customer identification module SIM that described sending module 302 sends request by time, receive the number overseas of the described user terminal sent by described server;
Second receiver module 305, before receiving the number overseas of the described user terminal sent by described server, receives the key and SIM information that are sent by described server for described first receiver module 303;
Deciphering module 306, is decrypted for the SIM information received described second receiver module 305;
Judge module 307, for judging whether the SIM information after the deciphering of described deciphering module 306 is effective information;
Writing module 308, if judge that the SIM information after deciphering is effective information for described judge module 307, then by described SIM information write dynamic customer identification module SIM;
Refuse writing module 309, if judge that the SIM information after deciphering is invalid information for described judge module 307, then do not write described dynamic customer identification module SIM;
Business module 304, carries out data service for the number overseas using described first receiver module 303 to receive, and notify described server used described in overseas number;
Wherein, refuse writing module 309 described in comprise:
Transmitting element 3091, obtains request for again sending described dynamic customer identification module SIM to described server;
Judging unit 3092, for send described dynamic customer identification module SIM acquisition request at described transmitting element 3091 after, judges whether in preset time, receive the SIM information sent by described server;
Decryption unit 3093, receives if judge for described judging unit 3092 the described SIM information sent by described server, is then decrypted described SIM information in preset time, and by the SIM information write dynamic customer identification module SIM after described deciphering;
Stop element 3094, does not receive if judge for described judging unit 3092 the described SIM information sent by described server in preset time, then stop the number overseas obtaining described user terminal.
Further, in the embodiment of the present invention, relate to message retransmission and limited time mechanism and retransmit timeout treatment mechanism, to tackle situation about there will be in actual applications, simultaneously, the data service of static client identification module SIM can be closed when retransmitting time-out, avoiding occurring expensive data roaming services, experience sense time user is actual to be used can be strengthened further.
Be described in detail the server in the present invention below, refer to Fig. 7, in the embodiment of the present invention, server comprises:
First receiver module 401, obtain request for receiving the dynamic customer identification module SIM sent from user terminal, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
First sending module 402, when described first receiver module 401 receive dynamic customer identification module SIM obtain request by time, send number overseas to user terminal;
Second receiver module 403, for send when described first sending module 402 overseas number is effective time, receive by described user terminal send use described in the notice of overseas number.
In the present embodiment, first receiver module 401 receives the dynamic customer identification module SIM sent from user terminal and obtains request, dynamic customer identification module SIM obtains the overseas number of request for obtaining user terminal, when the dynamic customer identification module SIM acquisition request that the first receiver module 401 receives is passed through, first sending module 402 sends number overseas to user terminal, when first sending module 402 send overseas number is effective time, the second receiver module 403 receives the notice using number overseas sent by user terminal.
In the embodiment of the present invention, server receive from user terminal send dynamic customer identification module SIM obtain request, when dynamic customer identification module SIM obtain request by time, to user terminal send key, when key is effective, receive the notice using number overseas sent by user terminal.Such user can use number overseas to carry out data service overseas, realize roaming close to the ID of local rate, lifting Consumer's Experience to a great extent by a card even numbers.
Refer to Fig. 8, another embodiment of the server in the embodiment of the present invention comprises:
First receiver module 401, obtain request for receiving the dynamic customer identification module SIM sent from user terminal, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
Judge module 404, after receiving the dynamic customer identification module SIM acquisition request sent from user terminal, obtains request according to described dynamic customer identification module SIM and judges whether request is effective request for described first receiver module 401;
By module 405, if judge that dynamic customer identification module SIM obtains request as effectively request for described judge module 404, then determine that described user terminal is by checking;
Refusal module 406, if judge that dynamic customer identification module SIM obtains request as invalidation request for described judge module 405, then sends to described user terminal the information that the described dynamic customer identification module SIM of refusal obtains request;
First sending module 402, with obtain as the dynamic customer identification module SIM that described first receiver module 401 receives ask by time, send key to described user terminal;
Second receiver module 403, for send when described first sending module 402 key effective time, receive by described user terminal send use described in the notice of overseas number.
Secondly, in the embodiment of the present invention, propose a kind of dynamic customer identification module SIM that refuses and obtain the situation of asking, when server carries out fail safe authentication to this request, when the user obtaining sending this request is for disabled user, the number overseas that namely refusal carries out this upgrades.Like this, fail safe and the practicality of the present invention program can be promoted to a great extent.
Refer to Fig. 9, another embodiment of the server in the embodiment of the present invention comprises:
First receiver module 401, obtain request for receiving the dynamic customer identification module SIM sent from user terminal, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
First sending module 402, with obtain as the dynamic customer identification module SIM that described first receiver module 401 receives ask by time, send key to described user terminal;
Second sending module 407, sends overseas before number for described first sending module 402 to user terminal, sends key and SIM information, be decrypted to make described user terminal to described SIM information to described user terminal;
Second receiver module 403, for send when described first sending module 402 key effective time, receive by described user terminal send use described in the notice of overseas number.
Again, in the embodiment of the present invention, server sends SIM information to user terminal, user terminal is decrypted SIM information, and confirm whether this SIM information is effective information, if invalid information would not write dynamic customer identification module SIM, user can be made like this to obtain number overseas under secure conditions, add the practicality of scheme simultaneously, improve actual application ability of the present invention.
Refer to Figure 10, another embodiment of the server in the embodiment of the present invention comprises:
First receiver module 401, obtain request for receiving the dynamic customer identification module SIM sent from user terminal, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
First sending module 402, with obtain as the dynamic customer identification module SIM that described first receiver module 401 receives ask by time, send key to described user terminal;
Second sending module 407, for described first sending module 402 to after described user terminal sends key, sends SIM information to described user terminal, is decrypted to make described user terminal to described SIM information;
Second receiver module 408, if be invalid information for the SIM information of described second sending module 407 transmission after described user terminal deciphering, then the described dynamic customer identification module SIM again accepting to be sent by described user terminal obtains request;
3rd sending module 409, after again accepting the described dynamic customer identification module SIM acquisition request sent by described user terminal, sends SIM information to described user terminal for described second receiver module 408 in preset time;
Second receiver module 403, for send when described first sending module 402 key effective time, receive by described user terminal send use described in the notice of overseas number.
Further, in the embodiment of the present invention, relate to message retransmission and limited time mechanism and retransmit timeout treatment mechanism, to tackle situation about there will be in actual applications, simultaneously, the core of server system as a whole, can send information to user terminal and carry out authentication, to ensure the safety that user uses, also enhance practicality.
Be described the data transmission system in the embodiment of the present invention below, refer to Figure 11, the data roaming system in the embodiment of the present invention comprises:
User terminal 501 and server 502;
User terminal 501 starts static client identification module SIM; User terminal 501 sends dynamic customer identification module SIM by described static client identification module SIM to server 502 and obtains request, and described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal 501; When described dynamic customer identification module SIM obtain request by time, user terminal 501 receives the number overseas of the user terminal sent by described server 502; User terminal 501 uses number overseas to carry out data service, and notify described server 502 used described in overseas number.
Server 502 receives the dynamic customer identification module SIM sent from user terminal 501 and obtains request, and described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal 501; When described dynamic customer identification module SIM obtain request by time, server 502 sends number overseas to described user terminal 501; Server 502 receive by described user terminal 501 send use described in the notice of overseas number.
In the embodiment of the present invention, when user terminal is moved to overseas, start static client identification module SIM, send dynamic customer identification module SIM by static client identification module SIM to server and obtain request, ask by time, receive the key sent by server, when key is effective, the number overseas of the user terminal obtained, and announcement server has used number overseas.Can use overseas like this this overseas number carry out data service, by one card even numbers realize roam close to the ID of local rate, lifting Consumer's Experience to a great extent.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (17)

1. a method for data roaming, is characterized in that, comprising:
Start static client identification module SIM;
Send dynamic customer identification module SIM by described static client identification module SIM to server and obtain request, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
When described dynamic customer identification module SIM obtain request by time, receive the number overseas of the described user terminal sent by described server;
Described in using, overseas number carries out data service, and notify described server used described in overseas number.
2. method according to claim 1, is characterized in that, before the number overseas of the described user terminal that described reception is sent by described server, described method also comprises:
Receive the key and SIM information that are sent by described server;
Described SIM information is decrypted;
Judge whether the SIM information after described deciphering is effective information;
If the SIM information after described deciphering is effective information, then by described SIM information write dynamic customer identification module SIM;
If the SIM information after described deciphering is invalid information, then do not write described dynamic customer identification module SIM.
3. method according to claim 1, is characterized in that, describedly sends after dynamic customer identification module SIM obtains request by described static client identification module SIM to server, and described method also comprises:
When described dynamic customer identification module SIM obtains request for invalidation request, receive the information that the refusal sent by described server described dynamic customer identification module SIM obtains request;
Stop the number overseas obtaining described user terminal.
4. method according to claim 2, is characterized in that, if the SIM information after described deciphering is invalid information, does not then write described dynamic customer identification module SIM, comprising:
Again send described dynamic customer identification module SIM to described server and obtain request;
Judge whether in preset time, receive the SIM information sent by described server;
If receive the described SIM information sent by described server in preset time, then described SIM information is decrypted, and by the SIM information write dynamic customer identification module SIM after described deciphering;
If do not receive the described SIM information sent by described server in preset time, then stop the number overseas obtaining described user terminal.
5. a method for data roaming, is characterized in that, comprising:
Receive the dynamic customer identification module SIM sent from user terminal and obtain request, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
When described dynamic customer identification module SIM obtain request by time, send number overseas to user terminal;
Receive by described user terminal send use described in the notice of overseas number.
6. method according to claim 5.It is characterized in that, after the dynamic customer identification module SIM that described reception sends from user terminal obtains request, described method also comprises:
Obtain request according to described dynamic customer identification module SIM and judge whether request is effective request;
If described dynamic customer identification module SIM obtains request for effectively request, then determine that described user terminal is by checking;
If described dynamic customer identification module SIM obtains request for invalidation request, then send to described user terminal the information that the described dynamic customer identification module SIM of refusal obtains request.
7. method according to claim 5, is characterized in that, describedly sends overseas before number to user terminal, and described method also comprises:
Send key and SIM information to described user terminal, to make described user terminal, described SIM information is decrypted.
8. method according to claim 7, is characterized in that, described method also comprises:
If the SIM information after described user terminal deciphering is invalid information, then the described dynamic customer identification module SIM again accepting to be sent by described user terminal obtains request;
SIM information is sent to described user terminal in preset time.
9. a user terminal, is characterized in that, comprising:
Opening module, for starting static client identification module SIM;
Sending module, send dynamic customer identification module SIM acquisition request for the static client identification module SIM after being opened by described opening module to server, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
First receiver module, for obtain as the dynamic customer identification module SIM that described sending module sends request by time, receive the number overseas of the described user terminal sent by described server;
Business module, carries out data service for the number overseas using described first receiver module to receive, and notify described server used described in overseas number.
10. user terminal according to claim 9, is characterized in that, described user terminal also comprises:
Second receiver module, before receiving the number overseas of the described user terminal sent by described server, receives the key and SIM information that are sent by described server for described first receiver module;
Deciphering module, is decrypted for the SIM information received described second receiver module;
Judge module, for judging whether the SIM information after the deciphering of described deciphering module is effective information;
Writing module, if judge that the SIM information after deciphering is effective information for described judge module, then by described SIM information write dynamic customer identification module SIM;
Refuse writing module, if judge that the SIM information after deciphering is invalid information for described judge module, then do not write described dynamic customer identification module SIM.
11. user terminals according to claim 9, is characterized in that, described user terminal also comprises:
3rd receiver module, after sending dynamic customer identification module SIM acquisition request for described sending module, when described dynamic customer identification module SIM obtains request for invalidation request, receive the information that the refusal sent by described server described dynamic customer identification module SIM obtains request;
Stopping modular, after receiving the information of described dynamic customer identification module SIM acquisition request, stops the number overseas obtaining described user terminal for the 3rd receiver module.
12. user terminals according to claim 10, is characterized in that, described in refuse writing module and comprise:
Transmitting element, obtains request for again sending described dynamic customer identification module SIM to described server;
Judging unit, for send described dynamic customer identification module SIM acquisition request at described transmitting element after, judges whether in preset time, receive the SIM information sent by described server;
Decryption unit, receives if judge for described judging unit the described SIM information sent by described server, is then decrypted described SIM information in preset time, and by the SIM information write dynamic customer identification module SIM after described deciphering;
Stop element, does not receive if judge for described judging unit the described SIM information sent by described server in preset time, then stop the number overseas obtaining described user terminal.
13. 1 kinds of servers, is characterized in that, comprising:
First receiver module, obtain request for receiving the dynamic customer identification module SIM sent from user terminal, described dynamic customer identification module SIM obtains the overseas number of request for obtaining described user terminal;
First sending module, when described first receiver module receive dynamic customer identification module SIM obtain request by time, send number overseas to user terminal;
Second receiver module, for send when described first sending module overseas number is effective time, receive by described user terminal send use described in the notice of overseas number.
14. servers according to claim 13, is characterized in that, described server also comprises:
Judge module, after receiving the dynamic customer identification module SIM acquisition request sent from user terminal, obtains request according to described dynamic customer identification module SIM and judges whether request is effective request for described first receiver module;
By module, if judge that dynamic customer identification module SIM obtains request as effectively request for described judge module, then determine that described user terminal is by checking;
Refusal module, if judge that dynamic customer identification module SIM obtains request as invalidation request for described judge module, then sends to described user terminal the information that the described dynamic customer identification module SIM of refusal obtains request.
15. servers according to claim 13, is characterized in that, described server also comprises:
Second sending module, sends overseas before number for described first sending module to user terminal, sends key and SIM information, be decrypted to make described user terminal to described SIM information to described user terminal.
16. servers according to claim 15, is characterized in that, described server also comprises:
Second receiver module, if be invalid information for the SIM information of the described second sending module transmission after described user terminal deciphering, then the described dynamic customer identification module SIM again accepting to be sent by described user terminal obtains request;
3rd sending module, after again accepting the described dynamic customer identification module SIM acquisition request sent by described user terminal, sends SIM information to described user terminal for described second receiver module in preset time.
The system of 17. 1 kinds of data roaming, is characterized in that, comprising: user terminal and server;
The user terminal of described user terminal according to any one of the claims 9 to 12;
Described server is the server described in any one of the claims 13 to 16.
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