CN105025461B - Method, user terminal and system for updating Preferred Roaming List - Google Patents
Method, user terminal and system for updating Preferred Roaming List Download PDFInfo
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- CN105025461B CN105025461B CN201410157559.5A CN201410157559A CN105025461B CN 105025461 B CN105025461 B CN 105025461B CN 201410157559 A CN201410157559 A CN 201410157559A CN 105025461 B CN105025461 B CN 105025461B
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Abstract
The present invention discloses a kind of method, user terminal and system for updating Preferred Roaming List.Wherein when carrying out Preferred Roaming List update, inquiry request is sent to preset Resource Server, file is guided to be obtained from Resource Server；When receiving the guide file of Resource Server transmission, the latest version information for guiding file to include is extracted；Judge whether current roaming preference lists version information is consistent with latest version information；If current roaming preference lists version information and latest version information are inconsistent, the download address for guiding file to include further is extracted；Update request is sent to update platform associated with download address；When receiving the newest Preferred Roaming List that update platform is sent, using newest Preferred Roaming List as the Preferred Roaming List being currently configured, and current roaming preference lists version information is updated.By the way that version number is arranged in Preferred Roaming List, so as to effectively solve the problems, such as to roam effective list update.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of method for updating Preferred Roaming List, user terminal and
System.
Background technology
With increasing for international exchange, more and more mobile terminal clients have the demand of international roaming, but part is moved
Dynamic terminal client is in GSM（Global System for Mobile Communication, global system for mobile communications）Or
WCDMA（Wideband Code Division Multiple Access, wideband code division multiple access）When network area roams, encounter
It is especially slow to access network, is up to more than 20 minutes sometimes.Mainly the international roaming proxy quotient of mobile terminal operator is roaming partner
The network of companion has divided grade, and if it is the network of low priority, then preceding register and authentication several times can all return to failure（But failure is former
Because value is possible and nonsystematic is unavailable, terminal also stops this network）Cause access network unsuccessful.To solve the above-mentioned problems,
Terminal needs the Preferred Roaming List of built-in international roaming proxy quotient；Roaming broker quotient management tactics can make the roaming preferred simultaneously
List often changes, to bring Preferred Roaming List need update the problem of.An effective mechanism is needed to update this
Preferred Roaming List；But in international standard, Preferred Roaming List does not define version number, thus can not effectively solve roaming have
Imitate list update problem.
Invention content
The embodiment of the present invention provides a kind of method, user terminal and system for updating Preferred Roaming List.By
Version number is set in Preferred Roaming List, so as to effectively solve the problems, such as to roam effective list update.
According to an aspect of the present invention, a kind of method for updating Preferred Roaming List is provided, including：
When carrying out Preferred Roaming List update, inquiry request is sent to preset Resource Server, so as to from money
Source server, which obtains, guides file, wherein file is guided to include the latest version information of Preferred Roaming List and download accordingly
Address；
When receiving the guide file of Resource Server transmission, the latest edition for guiding file to include is extracted
Information；
Judge whether current roaming preference lists version information is consistent with the latest version information；
If current roaming preference lists version information and the latest version information are inconsistent, guide is further extracted
The download address that file includes；
To update platform associated with the download address send update request, so as to from the update platform obtain and
The associated newest Preferred Roaming List of latest version information；
When receiving the newest Preferred Roaming List that the update platform is sent, using newest Preferred Roaming List as working as
The Preferred Roaming List of preceding configuration, and update current roaming preference lists version information.
In one embodiment, when receiving the newest Preferred Roaming List that update platform is sent, further include：
Newest Preferred Roaming List is verified；
If verification passes through, execute using newest Preferred Roaming List as the step of the Preferred Roaming List being currently configured.
In one embodiment, it if verification does not pass through, executes and is sent out to update platform associated with the download address
The step of sending update to ask.
In one embodiment, it further includes check code to guide in file；
The step of being verified to newest Preferred Roaming List include：
Using the check code, newest Preferred Roaming List is verified.
In one embodiment, it when carrying out Preferred Roaming List update, is looked into the transmission of preset Resource Server
Asking the step of asking includes：
In scheduled Preferred Roaming List renewable time, inquiry request is sent to preset Resource Server.
In one embodiment, it when carrying out Preferred Roaming List update, is looked into the transmission of preset Resource Server
Asking the step of asking includes：
When receiving instruction of the user in relation to updating Preferred Roaming List, looked into the transmission of preset Resource Server
Ask request.
According to another aspect of the present invention, a kind of user terminal for updating Preferred Roaming List, including first are provided
Interface unit, the first extraction unit, recognition unit, the second extraction unit, second interface unit and updating unit, wherein：
First interface unit, for when user terminal carries out Preferred Roaming List update, being taken to preset resource
Business device sends inquiry request, and file is guided to be obtained from Resource Server, wherein it includes Preferred Roaming List to guide file
Latest version information and corresponding download address；
First extraction unit, for when first interface unit receives the guide file that Resource Server is sent, extracting
Go out to guide the latest version information that file includes；
Recognition unit, for judging whether current roaming preference lists version information is consistent with the latest version information；
Second extraction unit, for according to the judging result of recognition unit, if current roaming preference lists version information with
The latest version information is inconsistent, then further extracts the download address for guiding file to include；
Second interface unit, for update platform associated with the download address send update ask, so as to from
The update platform obtains newest Preferred Roaming List associated with the latest version information；
Updating unit, for receiving the newest Preferred Roaming List that the update platform is sent when second interface unit
When, using newest Preferred Roaming List as the Preferred Roaming List being currently configured, and update current roaming preference lists version letter
Breath.
In one embodiment, above-mentioned user terminal further includes verification unit, wherein：
Verification unit, for when second interface unit receive update platform send newest Preferred Roaming List when, it is right
Newest Preferred Roaming List is verified；If verification pass through, it indicates that updating unit execute using newest Preferred Roaming List as
The operation of the Preferred Roaming List of current-configuration.
In one embodiment, verification unit be additionally operable to verify it is obstructed out-of-date, instruction second interface unit execute to
The associated update platform of download address sends the operation of update request.
In one embodiment, it further includes check code to guide in file；
Verification unit specifically utilizes the check code, is verified to newest Preferred Roaming List.
In one embodiment, first interface unit is specifically in scheduled Preferred Roaming List renewable time, to setting in advance
Fixed Resource Server sends inquiry request.
In one embodiment, above-mentioned user terminal further includes instruction receiving unit, wherein：
Receiving unit is indicated, for receiving instruction of the user in relation to updating Preferred Roaming List；
First interface unit is additionally operable to receive instruction of the user in relation to updating Preferred Roaming List when instruction receiving unit
When, send inquiry request to preset Resource Server.
According to another aspect of the present invention, a kind of system for updating Preferred Roaming List is provided,
Including user terminal, Resource Server and update platform, wherein：
User terminal is the user terminal that any of the above-described embodiment is related to；
Resource Server, for when receiving the inquiry request of user terminal transmission, file will be guided to be sent to user
Terminal, wherein it includes the latest version information of Preferred Roaming List and corresponding download address to guide file；
Platform is updated, it, will be associated with latest version information when for being asked in the update for receiving user terminal transmission
Newest Preferred Roaming List be sent to user terminal.
The present invention is by when carrying out Preferred Roaming List update, sending inquiry to preset Resource Server and asking
It asks, file is guided to be obtained from Resource Server；When receiving the guide file of Resource Server transmission, guide is extracted
The latest version information that file includes；Judge current roaming preference lists version information is with the latest version information
It is no consistent；If current roaming preference lists version information and the latest version information are inconsistent, guide is further extracted
The download address that file includes；Update request is sent to update platform associated with the download address；Work as reception
It is when to the newest Preferred Roaming List for updating platform transmission, newest Preferred Roaming List is excellent as the roaming being currently configured
List is selected, and updates current roaming preference lists version information.By the way that version number is arranged in Preferred Roaming List, so as to have
Effect solves the problems, such as the effective list update of roaming.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram of the method one embodiment of the present invention for updating Preferred Roaming List.
Fig. 2 is the schematic diagram of method another embodiment of the present invention for updating Preferred Roaming List.
Fig. 3 is the schematic diagram of the user terminal one embodiment of the present invention for updating Preferred Roaming List.
Fig. 4 is the schematic diagram of user terminal another embodiment of the present invention for updating Preferred Roaming List.
Fig. 5 is the schematic diagram of the system one embodiment of the present invention for updating Preferred Roaming List.
Fig. 6 is the schematic diagram of present invention update Preferred Roaming List one embodiment.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of attached various pieces shown in the drawings is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
Fig. 1 is the schematic diagram of the method one embodiment of the present invention for updating Preferred Roaming List.Effectively, this implementation
The method and step of example can be executed by user terminal.
Step 101, when carrying out Preferred Roaming List update, inquiry request is sent to preset Resource Server,
File is guided to be obtained from Resource Server, wherein it includes the latest version information and phase of Preferred Roaming List to guide file
The download address answered.
In one embodiment, it in scheduled Preferred Roaming List renewable time, is sent out to preset Resource Server
Send inquiry request.That is, user terminal can actively initiate more new technological process by scheduled time interval T.
In another embodiment, when receiving instruction of the user in relation to updating Preferred Roaming List, to preset
Resource Server sends inquiry request.That is, when updating menu when the user clicks, more new technological process actively can be transmitted in user.
Step 102, when receive Resource Server transmission guide file when, extract guide file include it is described
Latest version information.
Step 103, judge whether current roaming preference lists version information is consistent with the latest version information.
Step 104, it if current roaming preference lists version information and the latest version information are inconsistent, further carries
Take out the download address for guiding file to include.
Version information is inconsistent, this shows that the Preferred Roaming List of user terminal needs to update.
Step 105, update request is sent to update platform associated with the download address, so as to flat from the update
Platform obtains newest Preferred Roaming List associated with the latest version information.
Step 106, when receiving the newest Preferred Roaming List that the update platform is sent, by the preferred row of newest roaming
Table updates current roaming preference lists version information as the Preferred Roaming List being currently configured.
Based on the above embodiment of the present invention provide for updating the method for Preferred Roaming List, by roam it is excellent
When selecting list update, inquiry request is sent to preset Resource Server, file is guided to be obtained from Resource Server；
When receiving the guide file of Resource Server transmission, the latest version information for guiding file to include is extracted；Sentence
Whether disconnected current roaming preference lists version information and the latest version information are consistent；If current roaming preference lists version is believed
Breath is inconsistent with the latest version information, then further extracts the download address for guiding file to include；To with institute
It states the associated update platform of download address and sends update request；When receiving, the newest roaming that the update platform is sent is preferred
When list, using newest Preferred Roaming List as the Preferred Roaming List being currently configured, and current roaming preference lists version is updated
This information.By the way that version number is arranged in Preferred Roaming List, so as to effectively solve the problems, such as to roam effective list update.
Preferably, Preferred Roaming List includes at least the content of three fields：Entry Type（PLMN（Public Land
Mobile Network, public land mobile network）Type）、PLMN Entry（PLMN network numbers）、Access
Technology（Wireless access technology）.Pass through one record of the first row increase in Preferred Roaming List（MCC（Mobile
CountryCode, mobile country code）=EEE and MNC（Mobile Network Code, mobile network code, MNC）=version number）,
Version number for marking presently preferred list updates, as shown in table 1 convenient for Preferred Roaming List.
| Entry Type | PLMN ENTRY | Access technology |
| MCC=EEE MNC=version number | ||
| EHPLMN | MCC=460MNC=03 | LTE |
| OPLMN | MCC=455MNC=04 | GSM |
| …… | …… | …… |
Table 1
Fig. 2 is the schematic diagram of method another embodiment of the present invention for updating Preferred Roaming List.Preferably, this implementation
The method and step of example can be executed by user terminal.
Step 201, when carrying out Preferred Roaming List update, inquiry request is sent to preset Resource Server,
File is guided to be obtained from Resource Server, wherein it includes the latest version information of Preferred Roaming List, phase to guide file
The download address and check code answered.
For example, guiding file（XML format）It include the following contents：
● roam preferred table version<GVER>；
● roam preferred table address<GADD>；
● roam preferred table check code<GCHE>.
Step 202, when receive Resource Server transmission guide file when, extract guide file include it is described
Latest version information.
Step 203, judge whether current roaming preference lists version information is consistent with the latest version information.If current
Preferred Roaming List version information is consistent with the latest version information, thens follow the steps 210.If current roaming preference lists version
This information and the latest version information are inconsistent, then follow the steps 204.
Step 204, the download address for guiding file to include is extracted.
Step 205, update request is sent to update platform associated with the download address, so as to flat from the update
Platform obtains newest Preferred Roaming List associated with the latest version information.
Step 206, when receiving the newest Preferred Roaming List that the update platform is sent, to the preferred row of newest roaming
Table is verified.
Preferably, using the check code for guiding file to include, newest Preferred Roaming List is carried out by MD5 algorithms
Verification.
Step 207, judge whether verification succeeds.If verifying successfully, 208 are thened follow the steps；If verification does not pass through, return
Step 205.
That is, if verification is unsuccessful, need to re-download.
Step 208, using newest Preferred Roaming List as the Preferred Roaming List being currently configured, and it is excellent to update current roaming
Select list version information.
Step 209, it is updated successfully response to update platform transmission.Later, other steps of the present embodiment are no longer executed.
For example, response can be sent by HTTPs POST modes, following element is may include in response：
● roam preferred table update result<GSTATE>:1 represents successfully, and 0 represents failure；
● roam the preferred table update deadline<GTIME>:Date small Hour Minute Second（Ten 4-digit numbers）；
● update the version of operation<GVER>；
● subscriber card identifies<GIMSI>:It is operated under C moulds and then uploads C net IMSI, be operated under G moulds and upload G nets IMSI；
● user terminal identification<GMEID>:MEID.
Step 210, more new technological process is terminated.
Fig. 3 is the schematic diagram of the user terminal one embodiment of the present invention for updating Preferred Roaming List.Such as Fig. 3 institutes
Show, user terminal includes first interface unit 301, the first extraction unit 302, recognition unit 303, the second extraction unit 304,
Two interface units 305 and updating unit 306.Wherein：
First interface unit 301 is used for when user terminal carries out Preferred Roaming List update, to preset resource
Server sends inquiry request, and file is guided to be obtained from Resource Server, wherein it includes the preferred row of roaming to guide file
The latest version information of table and corresponding download address.
First extraction unit 302, the guide file for receiving Resource Server transmission when first interface unit 301
When, extract the latest version information for guiding file to include.
Recognition unit 303, for judge current roaming preference lists version information and the latest version information whether one
It causes.
Second extraction unit 304, for the judging result according to recognition unit 303, if current roaming preference lists version
Information and the latest version information are inconsistent, then further extract the download address for guiding file to include.
Second interface unit 305, for sending update request to update platform associated with the download address, so as to
Newest Preferred Roaming List associated with the latest version information is obtained from the update platform.
Updating unit 306, the newest roaming for receiving the update platform transmission when second interface unit 305 are preferred
When list, using newest Preferred Roaming List as the Preferred Roaming List being currently configured, and current roaming preference lists version is updated
This information.
Based on the user terminal for updating Preferred Roaming List that the above embodiment of the present invention provides, by being overflow
When swimming preference lists update, inquiry request is sent to preset Resource Server, is guided to be obtained from Resource Server
File；When receiving the guide file of Resource Server transmission, the latest edition letter for guiding file to include is extracted
Breath；Judge whether current roaming preference lists version information is consistent with the latest version information；If current roaming preference lists
Version information and the latest version information are inconsistent, then further extract the download address for guiding file to include；
Update request is sent to update platform associated with the download address；It is overflow when receiving the newest of update platform transmission
When swimming preference lists, using newest Preferred Roaming List as the Preferred Roaming List being currently configured, and it is preferred to update current roaming
List version information.By the way that version number is arranged in Preferred Roaming List, asked so as to effectively solve to roam effective list update
Topic.
Fig. 4 is the schematic diagram of user terminal another embodiment of the present invention for updating Preferred Roaming List.As shown in figure 3
Embodiment is compared, and in the embodiment shown in fig. 4, user terminal further includes verification unit 401.Wherein：
Verification unit 401, for receiving the newest Preferred Roaming List that update platform is sent when second interface unit 305
When, newest Preferred Roaming List is verified；If verification passes through, it indicates that updating unit 306 executes newest roaming is preferred
Operation of the list as the Preferred Roaming List being currently configured.
Preferably, verification unit 401 be additionally operable to verify it is obstructed out-of-date, instruction second interface unit 305 execute to institute
State the operation that the associated update platform of download address sends update request.
Preferably, it further includes check code to guide in file；
Verification unit 401 specifically utilizes the check code, is verified to newest Preferred Roaming List.
Preferably, first interface unit 301 is specifically in scheduled Preferred Roaming List renewable time, to preset money
Source server sends inquiry request.
Preferably, user terminal further includes instruction receiving unit 402.Wherein：
Receiving unit 402 is indicated, for receiving instruction of the user in relation to updating Preferred Roaming List.
First interface unit 301 is additionally operable to receive the related update Preferred Roaming List of user when instruction receiving unit 402
Instruction when, to preset Resource Server send inquiry request.
To which user terminal can actively initiate update operation, can also be indicated to be updated operation according to user.
Fig. 5 is the schematic diagram of the system one embodiment of the present invention for updating Preferred Roaming List.As shown in figure 5, should
System includes user terminal 501, Resource Server 502 and update platform 503.Wherein：
User terminal 501, the user terminal being related to for any embodiment in Fig. 3 or Fig. 4.
Resource Server 502, for when receiving the inquiry request of the transmission of user terminal 501, file will be guided to send
To user terminal 501, wherein it includes the latest version information of Preferred Roaming List and corresponding download address to guide file.
Platform 503 is updated, it, will be with latest version information when for being asked in the update for receiving the transmission of user terminal 501
Associated newest Preferred Roaming List is sent to user terminal 501.
Based on the above embodiment of the present invention provide for updating the system of Preferred Roaming List, by roam it is excellent
When selecting list update, inquiry request is sent to preset Resource Server, file is guided to be obtained from Resource Server；
When receiving the guide file of Resource Server transmission, the latest version information for guiding file to include is extracted；Sentence
Whether disconnected current roaming preference lists version information and the latest version information are consistent；If current roaming preference lists version is believed
Breath is inconsistent with the latest version information, then further extracts the download address for guiding file to include；To with institute
It states the associated update platform of download address and sends update request；When receiving, the newest roaming that the update platform is sent is preferred
When list, using newest Preferred Roaming List as the Preferred Roaming List being currently configured, and current roaming preference lists version is updated
This information.By the way that version number is arranged in Preferred Roaming List, so as to effectively solve the problems, such as to roam effective list update.
Below by specific example, the present invention will be described.As shown in Figure 6：
Step 601, user terminal is looked into when carrying out Preferred Roaming List update to the transmission of preset Resource Server
Ask request.
Wherein user terminal can actively initiate more new technological process by scheduled time interval T, or indicate to carry out according to user
Update operation.
Step 602, after Resource Server receives inquiry request, file will be guided to be sent to user terminal, wherein guiding
File includes the latest version information, corresponding download address and check code of Preferred Roaming List.
Step 603, user terminal is extracted to guide in file and be wrapped when receiving the guide file of Resource Server transmission
The latest version information included.
Step 604, user terminal judge current roaming preference lists version information and the latest version information whether one
It causes.If current roaming preference lists version information is consistent with the latest version information, this update operation is terminated；If current
Preferred Roaming List version information and the latest version information are inconsistent, then follow the steps 605.
Step 605, user terminal extracts the download address for guiding file to include.
Step 606, user terminal sends update request to update platform associated with the download address.
Step 607, newest Preferred Roaming List associated with the latest version information is sent to use by update platform
Family terminal.
Step 608, when user terminal receives the newest Preferred Roaming List that the update platform is sent, to newest unrestrained
Trip preference lists are verified.
Preferably, using the check code for guiding file to include, newest Preferred Roaming List is carried out by MD5 algorithms
Verification.
If verifying successfully, 609 are thened follow the steps；If verification does not pass through, return to step 606.
That is, if verification is unsuccessful, need to re-download.
Step 609, user terminal is using newest Preferred Roaming List as the Preferred Roaming List being currently configured, and updates and work as
Preceding Preferred Roaming List version information.
Step 610, user terminal is updated successfully response to update platform transmission.
By applying the present invention, by the built-in roaming preferred list based on version number in the user terminal, so as to have
Effect solves the replacement problem of roaming preferred list.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
Description of the invention provides for the sake of example and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
Various embodiments with various modifications of the solution present invention to design suitable for special-purpose.
Claims (13)
1. a kind of method for updating Preferred Roaming List, which is characterized in that including：
When carrying out Preferred Roaming List update, inquiry request is sent to preset Resource Server, to be taken from resource
Business device, which obtains, guides file, wherein file is guided to include the latest version information of Preferred Roaming List and download ground accordingly
Location；
When receiving the guide file of Resource Server transmission, the latest edition letter for guiding file to include is extracted
Breath；
Judge whether current roaming preference lists version information is consistent with the latest version information；
If current roaming preference lists version information and the latest version information are inconsistent, guide file is further extracted
The download address for including；
To update platform associated with the download address send update request, so as to from the update platform acquisition with it is described
The associated newest Preferred Roaming List of latest version information；
When receiving the newest Preferred Roaming List that the update platform is sent, using newest Preferred Roaming List as currently matching
The Preferred Roaming List set, and update current roaming preference lists version information.
2. according to the method described in claim 1, it is characterized in that,
When receiving the newest Preferred Roaming List that update platform is sent, further include：
Newest Preferred Roaming List is verified；
If verification passes through, execute using newest Preferred Roaming List as the step of the Preferred Roaming List being currently configured.
3. according to the method described in claim 2, it is characterized in that,
If verification does not pass through, the step of sending update request to update platform associated with the download address is executed.
4. according to the method described in claim 2, it is characterized in that,
It further includes check code to guide in file；
The step of being verified to newest Preferred Roaming List include：
Using the check code, newest Preferred Roaming List is verified.
5. according to the method described in claim 1, it is characterized in that,
When carrying out Preferred Roaming List update, include to the step of preset Resource Server transmission inquiry request：
In scheduled Preferred Roaming List renewable time, inquiry request is sent to preset Resource Server.
6. according to the method described in claim 1, it is characterized in that,
When carrying out Preferred Roaming List update, include to the step of preset Resource Server transmission inquiry request：
When receiving instruction of the user in relation to updating Preferred Roaming List, sends inquiry to preset Resource Server and ask
It asks.
7. a kind of user terminal for updating Preferred Roaming List, which is characterized in that including first interface unit, the first extraction
Unit, recognition unit, the second extraction unit, second interface unit and updating unit, wherein：
First interface unit is used for when user terminal carries out Preferred Roaming List update, to preset Resource Server
Send inquiry request, so as to from Resource Server obtain guide file, wherein guide file include Preferred Roaming List most
New version information and corresponding download address；
First extraction unit, for when first interface unit receives the guide file that Resource Server is sent, extracting finger
The latest version information that quotation part includes；
Recognition unit, for judging whether current roaming preference lists version information is consistent with the latest version information；
Second extraction unit, for according to the judging result of recognition unit, if current roaming preference lists version information with it is described
Latest version information is inconsistent, then further extracts the download address for guiding file to include；
Second interface unit is asked for sending update to update platform associated with the download address, so as to from described
It updates platform and obtains newest Preferred Roaming List associated with the latest version information；
Updating unit, for when second interface unit receives the newest Preferred Roaming List that the update platform is sent, inciting somebody to action
Newest Preferred Roaming List updates current roaming preference lists version information as the Preferred Roaming List being currently configured.
8. user terminal according to claim 7, which is characterized in that further include verification unit, wherein：
Verification unit, for when second interface unit receive update platform send newest Preferred Roaming List when, to newest
Preferred Roaming List is verified；If verification passes through, it indicates that updating unit is executed using newest Preferred Roaming List as current
The operation of the Preferred Roaming List of configuration.
9. user terminal according to claim 8, which is characterized in that
It is obstructed out-of-date in verification that verification unit is additionally operable to, and instruction second interface unit is executed to associated with the download address
Update the operation that platform sends update request.
10. user terminal according to claim 8, which is characterized in that
It further includes check code to guide in file；
Verification unit specifically utilizes the check code, is verified to newest Preferred Roaming List.
11. user terminal according to claim 7, which is characterized in that
First interface unit specifically in scheduled Preferred Roaming List renewable time, is looked into the transmission of preset Resource Server
Ask request.
12. user terminal according to claim 7, which is characterized in that further include instruction receiving unit, wherein：
Receiving unit is indicated, for receiving instruction of the user in relation to updating Preferred Roaming List；
First interface unit is additionally operable to when indicating that receiving unit receives instruction of the user in relation to updating Preferred Roaming List, to
Preset Resource Server sends inquiry request.
13. a kind of for updating the system of Preferred Roaming List, which is characterized in that including user terminal, Resource Server and more
New platform, wherein：
User terminal is the user terminal that any one of claim 7-12 is related to；
Resource Server, for when receiving the inquiry request of user terminal transmission, file will be guided to be sent to user terminal,
It includes the latest version information of Preferred Roaming List and corresponding download address wherein to guide file；
Update platform, for receive user terminal transmission update request when, will it is associated with latest version information most
New Preferred Roaming List is sent to user terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410157559.5A CN105025461B (en) | 2014-04-17 | 2014-04-17 | Method, user terminal and system for updating Preferred Roaming List |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN102075916A (en) * | 2009-11-24 | 2011-05-25 | 中兴通讯股份有限公司 | Method, system and mobile terminal for updating concatenated preferred roaming list |
| CN102196400A (en) * | 2010-03-02 | 2011-09-21 | 高通股份有限公司 | Method and device for updating information of mobile communication terminal |
| CN102348170A (en) * | 2010-07-29 | 2012-02-08 | 中国电信股份有限公司 | Preferred roaming list setting method, system thereof, terminal and server |
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| US8423017B2 (en) * | 2008-03-31 | 2013-04-16 | General Motors Llc | Automatic updating of a preferred roaming list stored in a vehicle telematics unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102075916A (en) * | 2009-11-24 | 2011-05-25 | 中兴通讯股份有限公司 | Method, system and mobile terminal for updating concatenated preferred roaming list |
| CN102196400A (en) * | 2010-03-02 | 2011-09-21 | 高通股份有限公司 | Method and device for updating information of mobile communication terminal |
| CN102348170A (en) * | 2010-07-29 | 2012-02-08 | 中国电信股份有限公司 | Preferred roaming list setting method, system thereof, terminal and server |
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