CN107635274A - Method for network access and terminal of a kind of terminal under international roaming state - Google Patents
Method for network access and terminal of a kind of terminal under international roaming state Download PDFInfo
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- CN107635274A CN107635274A CN201711000976.9A CN201711000976A CN107635274A CN 107635274 A CN107635274 A CN 107635274A CN 201711000976 A CN201711000976 A CN 201711000976A CN 107635274 A CN107635274 A CN 107635274A
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Abstract
The invention discloses method for network access and terminal of a kind of terminal under international roaming state.This method includes：When terminal is with first network standard access carrier network failure, it is necessary first to release the disabled status of carrier network, the second network formats then supported again with the carrier network initiate to be connected with the access of carrier network.In the present invention, after terminal is with first network standard access carrier network failure, it is again coupled to using other network formats and the carrier network, after terminal can effectively be avoided with a certain network formats access carrier network failure, the situation of the carrier network can not be accessed with other network formats, network can quickly be recovered in the case of without network by realizing terminal, and then can greatly improve the success rate of terminal access carrier network in international roaming.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of method for network access of terminal under international roaming state
And terminal.
Background technology
With the continuous development of the communication technology, wireless cellular technology standard can be drawn according to development time sequencing at present
It is divided into four main epoch, such as the first third-generation mobile communication (First Generation, 1G) network, Generation Mobile Telecommunication System
(Second Generation, 2G) network, 3G (Third Generation) Moblie (The 3rd Generation
Telecommunication, 3G) network and based on Long Term Evolution (Time Division-Long Term Evolution,
TD-LTE) fourth generation mobile communication technology (the 4Generation mobile communication of technology
Technology, 4G) network.Therefore, terminal in wireless communications, is found after suitable network, it is necessary to first according to default net
A certain network formats (such as 4G) access network in network standard (such as 4G, 3G, 2G, 1G), it can just enjoy the service of operator's offer.
In the prior art, terminal is when carrying out international roaming, when terminal roaming to it is some national when, it may appear that terminal is overflow
The network refusal of You Guo operators, but actually roaming country operator can provide network service for terminal.
Based on this, a kind of method for network access of terminal under international roaming state is needed badly at present, for solving existing skill
The problem of terminal can not access network in international roaming in art.
The content of the invention
The embodiment of the present invention provides method for network access and terminal of a kind of terminal under international roaming state, existing to solve
There is terminal in technology can not access the technical problem of network in international roaming.
The embodiment of the present invention provides a kind of method for network access of terminal under international roaming state, including：
When the terminal is with first network standard access carrier network failure, the disabling shape of the carrier network is released
State；
The second network formats that the terminal is supported with the carrier network initiate the access with the carrier network
Connection.
Alternatively, before the terminal is with first network standard access carrier network failure, in addition to：
The public land mobile network of the carrier network is not included in the terminal check history access information
(Public Land Mobile Network, PLMN) encodes (Identification, ID)；
Methods described also includes：
The second network formats that the terminal is supported with the carrier network initiate the access with the carrier network
After successful connection, the PLMN ID of the carrier network and second network formats are at least added into the history access letter
In breath.
Alternatively, methods described also includes：
The PLMN ID of the carrier network are included in history access information described in the terminal check, then according to described
Corresponding with the PLMN ID of carrier network network formats initiate to connect with the carrier network in history access information
Enter connection.
Alternatively, before the disabled status for releasing the carrier network, in addition to：
Determine that the terminal is in roaming state；
The disabled status of the carrier network is released, including：
By the PLMN ID of the carrier network from forbid access public land mobile network (ForbiddenPublic
Land Mobile Network, FPLMN) delete in list；
The second network formats that the terminal is supported with the carrier network initiate the access with the carrier network
After connection, in addition to：
If access failure, the step of deleting the PLMN ID of the carrier network from FPLMN lists is returned,
Until being successfully accessed or each network formats access failure that the carrier network is supported.
Alternatively, the second network formats that the terminal is supported with the carrier network are initiated and the carrier network
Access connection, including：
The network formats of access failure are deleted in the network formats that the terminal is supported from the carrier network；
Using the network formats of highest priority in the deletion network formats after the network formats of access failure as
Second network formats；
The terminal is initiated to connect with carrier network access with second network formats.
The embodiment of the present invention provides a kind of terminal, and the terminal includes：
Access unit, for first network standard access carrier network；
Processing unit, for when accessing the carrier network failure with the first network standard, releasing the fortune
Seek the disabled status of business's network；
The access unit, the second network formats for being additionally operable to support with the operator are initiated and the operator
The access connection of network.
Alternatively, before the access unit accesses the carrier network failure with the first network standard, institute
Processing unit is stated to be additionally operable to：
Confirm the PLMN ID for not including the carrier network in history access information；
Initiated and the operator in the second network formats that the access unit can be supported with the carrier network
Network connection be successfully accessed after, the processing unit is additionally operable to：
The PLMN ID of the carrier network and second network formats are at least added into the history access information
In.
Alternatively, the PLMN for including the carrier network in the processing unit confirms the history access information
After ID, the access unit is additionally operable to：
According to network formats initiation corresponding with the PLMN ID of the carrier network and institute in the history access information
State the access connection of carrier network.
Alternatively, the processing unit is additionally operable to before the disabled status of the carrier network is released：
Determine that the terminal is in roaming state；
The processing unit is specifically used for：
The PLMN ID of the carrier network are deleted from the public land mobile network FPLMN lists for forbidding accessing；
Initiated and the carrier network in the second network formats that the access unit is supported with the carrier network
Access connection after, the processing unit is additionally operable to：
If access failure, the step of deleting the PLMN ID of the carrier network from FPLMN lists is returned,
Until being successfully accessed or each network formats access failure that the carrier network is supported.
Alternatively, the access unit is specifically used for：
The network formats of access failure are deleted in the network formats supported from the carrier network；
Using the network formats of highest priority in the deletion network formats of access failure as second network
Standard；
Initiate to connect with carrier network access with second network formats.
The embodiment of the present invention provides a kind of computer-readable recording medium, and the storage medium is stored with instruction, when described
When instruction is run on computers so that computer, which is realized, performs method described above.
The embodiment of the present invention provides a kind of computer equipment, including：
Memory, instructed for storage program；
Processor, for calling the programmed instruction stored in the memory, performed according to the program of acquisition described above
Method.
In the embodiment of the present invention, when terminal is with first network standard access carrier network failure, it is necessary first to release fortune
The disabled status of business's network is sought, the second network formats initiation then supported again with the carrier network connects with carrier network
Enter connection.In the present invention, after terminal is with first network standard access carrier network failure, using other network formats with
The carrier network is again coupled to, after can effectively avoiding terminal with a certain network formats access carrier network failure, it is impossible to
The situation of the carrier network is accessed with other network formats, realizing terminal can quick instauration net in the case of without network
Network, and then the success rate of terminal access carrier network in international roaming can be greatly improved.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is corresponding to a kind of method for network access of the terminal provided in an embodiment of the present invention under international roaming state
Schematic flow sheet；
Fig. 2 is the schematic flow sheet of the globality involved by a kind of method for network access provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of terminal provided in an embodiment of the present invention.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, the present invention is made below in conjunction with accompanying drawing into
One step it is described in detail, it is clear that the described embodiment only a part of embodiment of the present invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
Method in the embodiment of the present invention can apply in the scene that terminal networks for the first time in roaming place.The terminal can
Think various mobile terminals, such as the communication equipment such as cell phone, tablet personal computer.
Fig. 1 is corresponding to a kind of method for network access of the terminal provided in an embodiment of the present invention under international roaming state
Schematic flow sheet.As shown in figure 1, this method includes：
Step 101, when terminal is with first network standard access carrier network failure, the taboo of the carrier network is released
Use state.
Step 102, the second network formats that terminal is supported with carrier network initiate the access with the carrier network
Connection.
It should be noted that：Above-mentioned steps flow is that terminal accesses operation with the default first network standard searched in net order
Performed in the case of business's network failure.That is, if terminal is successfully accessed carrier network with first network standard, eventually
End can need not perform above-mentioned steps flow.
In the embodiment of the present invention, after terminal is with first network standard access carrier network failure, using other nets
Network standard is again coupled to the carrier network, can effectively avoid terminal with a certain network formats access carrier network failure
Afterwards, it is impossible to the situation of the carrier network is accessed with other network formats, realizing terminal can be fast in the case of without network
Quick-recovery network, and then the success rate of terminal access carrier network in international roaming can be greatly improved.
Before above-mentioned steps 101 are performed, in the case that terminal networks for the first time, web search can be first carried out, works as search
To carrier network PLMN ID when, the carrier network directly can be accessed with first network standard；Or it can also look into
Ask in history access information and whether include the PLMN ID of the carrier network, if including the PLMN ID in history access information,
Then the carrier network is accessed according to network formats corresponding with the PLMN ID in history access information；If history access information
In do not include the PLMN ID, then the carrier network is accessed with first network standard.
In the embodiment of the present invention, network formats can be 4G, 3G, or 2G.TD- is supported with operator under domestic scene
LTE, TD SDMA (Time Division-Synchronous Code Division Multiple Access,
) and three kinds of moulds of global system for mobile communications (Global System for Mobile Communication, GSM) TD-SCDMA
Exemplified by formula, TD-LTE (4G) can be first used to be used as first network standard access carrier network, afterwards using TD-SCDMA (3G)
Network formats access carrier network, finally using GSM (2G) network formats access carrier network.Above-mentioned access order can be with
It is adjusted according to actual conditions, such as TD-LTE is not supported in the underdeveloped area of some communication technologys, local operator, then
It can first use TD-SCDMA (3G) to be used as first network standard access carrier network, be connect afterwards using GSM (2G) network formats
Enter carrier network.Similarly, more high-tech standard (such as the 5th third-generation mobile communication technology (the will be likely to occur in future
5Generation mobile communication technology, 5G) network) in the case of, it can be made first using 5G
For first network standard access carrier network.
Further, the embodiment of the present invention is in the case of with first network standard access carrier network, first network
Standard can be the network formats specified, or the network formats of highest priority.If for example, network system that network speed is faster
The priority of formula is higher, then the network formats of highest priority are 4G, therefore, can be using 4G as first network standard.
In the embodiment of the present invention, history access information can be built in the subscriber identification card of the terminal
On (Subscriber Identification Module, SIM).Much information can be included in history access information, it is a kind of
Possible to be achieved in that, as shown in table 1, history access information includes the home public land mobile network network (Home of terminal
Public Land Mobile Network, HPLMN) or reciprocity home network (Equivalent HomePublic Land
Mobile Network, EHPLMN), multiple PLMN that can be successfully accessed, and the PLMN that can be each successfully accessed
Corresponding searches net order.
Table 1：A kind of example of history access information
In step 101, after terminal is with first network standard access carrier network failure, according to third generation affiliate
Plan (3rd Generation Partnership Project, 3GPP) 24301 agreements, terminal access carrier network is refused
Without offspring, the PLMNID of the carrier network can be added in FPLMN by terminal, therefore, terminal under international roaming state, it is necessary to
First the PLMNID of carrier network is deleted from FPLMN.
It should be noted that in actual applications, it is contemplated that accessing terminal to network is likely to be at international roaming shape when failing
State, it is also possible in non-international roaming state, therefore, after terminal is with first network standard access carrier network failure, go back
Need to consider whether terminal is in international roaming state.If terminal is non-international roaming state, can be according to corresponding to HPLMN
Network formats access network again.Whether it is that the determination step of international roaming state is not done for terminal in the embodiment of the present invention
It is specific to limit, can determine whether terminal is international roaming after terminal is with first network standard access carrier network failure
State；Or or determine whether terminal is international roaming state before terminal is accessed with first network standard.
In step 102, after the second network formats is delete the network formats of access failure, what carrier network was supported appoints
One network formats of meaning.In the embodiment of the present invention, the determination mode of the second network formats has a kind of a variety of, possible implementation
For the second network formats can randomly select from the network formats after deleting the network formats of access failure, for example, with 4G
After first network standard access carrier network failure, 3G or 2G can be randomly selected and accessed as the second network formats
Carrier network.Alternatively possible implementation is that the second network formats can be the network formats for deleting access failure
The network formats of highest priority in network formats afterwards, if for example, the priority of network formats from high to low once for 4G,
3G, 2G, then using 4G as first network standard access carrier network failure after, choose 3G as the second network formats access transport
Business's network is sought, in this way, it is possible to increase the success rate of terminal access carrier network.
Further, terminal is with the second network formats access carrier network, situation about whether being successfully accessed according to terminal,
Two following situations can be divided into：
Situation one：
Terminal is successfully accessed the situation of carrier network with the second network formats, specifically includes following steps：
Step 1, terminal is with the second network formats access carrier network.
Step 2, terminal are successfully accessed, and the PLMNID of carrier network and the second network formats are added into history access
In information.
Specifically, the embodiment of the present invention is not limited the sequencing of step 1 and step 2, that is to say, that terminal
First the PLMNID of carrier network and the second network formats can be added in history access information, then again with the second network
Standard access carrier network, in this way, if access failure, need the second network system in history access information
Formula is deleted, and then other network formats is added in history access information, terminal is with other network formats access carrier nets
Network, until being successfully accessed；Or terminal can also first with the second network formats access carrier network, when being successfully accessed, then
The PLMNID of carrier network and the second network formats are added in history access information, in this way, can be avoided
The terminal typing information in history access information repeatedly, so as to reduce operating procedure, mitigate terminal operating pressure.
Situation two：
Terminal is failed the situation of access carrier network with the second network formats, specifically includes following steps：
Step A, terminal is with the second network formats access carrier network.
Step B, terminal access failure, then return to step 101.
Step C, terminal, if being successfully accessed, perform step D with other network formats access carrier networks；If access
Failure, then perform step 101.
Step D, terminal add the PLMN ID of the carrier network and other network formats in history access information.
In the embodiment of the present invention, after terminal is successfully accessed network with other network formats in addition to first network standard,
Other network formats can be added in history access information, consequently facilitating after terminal searches again for the network, Neng Gouzhi
Connect and be directly accessed the network according to the network formats in history access information so that terminal being capable of fast access into network.
In order to more clearly introduce the method for above-mentioned web search, with reference to Fig. 2, to involved in the embodiment of the present invention
The flow arrived carries out globality explanation.As shown in Fig. 2 it may comprise steps of：
Step 201, terminal obtains the PLMN ID of carrier network.
Step 202, the PLMN ID of the carrier network whether are included in terminal check history access information, if comprising,
Then perform step 203；If not including, step 204 is performed.
Step 203, terminal makees network formats corresponding with the PLMN ID of the carrier network in history access information
For first network standard.
Step 204, terminal is using the network formats of acquiescence as first network standard.
In the embodiment of the present invention, the network formats of acquiescence can be pre-set according to actual conditions.
Step 205, terminal, if being successfully accessed, performs step 206 with first network standard access carrier network；If
Access failure, then perform step 207.
Step 206, terminal adds the PLMN ID of carrier network and first network standard in history access information.
Step 207, terminal determines whether international roaming state, if international roaming state, then performs step 208；If
For non-international roaming state, then step 209 is performed.
Step 208, terminal deletes the PLMN ID of the carrier network from FPLMN lists.
Step 209, terminal network formats according to corresponding to HPLMN access network again.
Step 210, terminal accesses the carrier network with the second network formats, if being successfully accessed, performs step
211；If access failure, step 212 is performed.
Step 211, terminal adds the PLMN ID of carrier network and the second network formats in history access information.
Step 212, terminal judges to whether there is untapped network formats in the network formats that carrier network is supported, if
In the presence of, then perform step 208；If being not present, step 213 is performed.
Step 213, the PLMN ID of carrier network are added in FPLMN lists by terminal.
In the embodiment of the present invention, first confirm that in history access information after the PLMN ID comprising carrier network, Neng Gouzhi
Connect with network formats initiation corresponding to carrier network and the connection of the carrier network, so as to improve connection speed；Enter
One step, after terminal is with first network standard access carrier network failure, using other network formats and the operator
Network is again coupled to, after can effectively avoiding terminal with a certain network formats access carrier network failure, it is impossible to other nets
Network standard accesses the situation of the carrier network, and network can quickly be recovered in the case of without network by realizing terminal, and then
The success rate of terminal access carrier network in international roaming can be greatly improved；Further, if carrier network branch
The network formats held can not be successfully accessed the carrier network, then can disable the carrier network, to avoid follow-up repeat
Access the situation of the carrier network.
For above method flow, the embodiment of the present invention also provides a kind of terminal, and the specific implementation of the terminal can refer to
State method flow.
Based on same inventive concept, the structure that Fig. 3 illustrates a kind of terminal provided in an embodiment of the present invention is shown
It is intended to, as shown in figure 3, the terminal 300 includes access unit 301, processing unit 302；Wherein,
Access unit 301, for first network standard access carrier network, and for can with the operator
The second network formats supported initiate to be connected with the access of the carrier network；
Processing unit 302, for when accessing the carrier network with the first network standard and failing, described in releasing
The disabled status of carrier network.
In the embodiment of the present invention, when terminal is with first network standard access carrier network failure, it is necessary first to release fortune
The disabled status of business's network is sought, the second network formats initiation then supported again with the carrier network connects with carrier network
Enter connection.In the present invention, after terminal is with first network standard access carrier network failure, using other network formats with
The carrier network is again coupled to, after can effectively avoiding terminal with a certain network formats access carrier network failure, it is impossible to
The situation of the carrier network is accessed with other network formats, realizing terminal can quick instauration net in the case of without network
Network, and then the success rate of terminal access carrier network in international roaming can be greatly improved.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (12)
1. method for network access of a kind of terminal under international roaming state, it is characterised in that methods described includes：
When the terminal is with first network standard access carrier network failure, the disabled status of the carrier network is released；
The second network formats that the terminal is supported with the carrier network initiate to be connected with the access of the carrier network.
2. according to the method for claim 1, it is characterised in that the terminal is with first network standard access carrier network
Before failure, in addition to：
Public land mobile network coding PLMN not comprising the carrier network in the terminal check history access information
ID；
Methods described also includes：
The second network formats that the terminal is supported with the carrier network initiate to be connected with the access of the carrier network
After success, at least the PLMN ID of the carrier network and second network formats are added in the history access information.
3. according to the method for claim 2, it is characterised in that also include：
The PLMN ID of the carrier network are included in history access information described in the terminal check, then according to the history
The access that network formats corresponding with the PLMN ID of the carrier network are initiated with the carrier network in access information connects
Connect.
4. according to the method in any one of claims 1 to 3, it is characterised in that release the disabling of the carrier network
Before state, in addition to：
Determine that the terminal is in roaming state；
The disabled status of the carrier network is released, including：
The PLMN ID of the carrier network are deleted from the public land mobile network FPLMN lists for forbidding accessing；
The second network formats that the terminal is supported with the carrier network initiate to be connected with the access of the carrier network
Afterwards, in addition to：
If access failure, the step of deleting the PLMN ID of the carrier network from FPLMN lists is returned, until
It is successfully accessed or each network formats access failure that the carrier network is supported.
5. according to the method for claim 4, it is characterised in that the second net that the terminal is supported with the carrier network
Network standard is initiated to be connected with the access of the carrier network, including：
The network formats of access failure are deleted in the network formats that the terminal is supported from the carrier network；
Using the network formats of highest priority in the network formats after the deletion network formats of access failure as described in
Second network formats；
The terminal is initiated to connect with carrier network access with second network formats.
6. a kind of terminal, it is characterised in that the terminal includes：
Access unit, for first network standard access carrier network；
Processing unit, for when accessing the carrier network failure with the first network standard, releasing the operator
The disabled status of network；
The access unit, the second network formats for being additionally operable to support with the operator are initiated and the carrier network
Access connection.
7. terminal according to claim 6, it is characterised in that accessed in the access unit with the first network standard
Before the carrier network failure, the processing unit is additionally operable to：
Confirm the PLMN ID for not including the carrier network in history access information；
The net with the operator is initiated in the second network formats that the access unit can be supported with the carrier network
After the connection of network is successfully accessed, the processing unit is additionally operable to：
At least the PLMN ID of the carrier network and second network formats are added in the history access information.
8. terminal according to claim 7, it is characterised in that in the processing unit confirms the history access information
After PLMN ID comprising the carrier network, the access unit is additionally operable to：
Initiated and the fortune according to network formats corresponding with the PLMN ID of the carrier network in the history access information
Seek the access connection of business's network.
9. the terminal according to any one of claim 6 to 8, it is characterised in that the processing unit is releasing the fortune
Seek before the disabled status of business's network, be additionally operable to：
Determine that the terminal is in roaming state；
The processing unit is specifically used for：
The PLMN ID of the carrier network are deleted from the public land mobile network FPLMN lists for forbidding accessing；
The second network formats supported with the carrier network in the access unit initiate to connect with the carrier network
After entering connection, the processing unit is additionally operable to：
If access failure, the step of deleting the PLMN ID of the carrier network from FPLMN lists is returned, until
It is successfully accessed or each network formats access failure that the carrier network is supported.
10. terminal according to claim 9, it is characterised in that the access unit is specifically used for：
The network formats of access failure are deleted in the network formats supported from the carrier network；
Using the network formats of highest priority in the deletion network formats of access failure as second network formats；
Initiate to connect with carrier network access with second network formats.
11. a kind of computer-readable recording medium, it is characterised in that the storage medium is stored with instruction, when the instruction exists
When being run on computer so that computer realizes that perform claim requires the method any one of 1-5.
A kind of 12. computer equipment, it is characterised in that including：
Memory, instructed for storage program；
Processor, for calling the programmed instruction stored in the memory, according to acquisition program perform as claim 1 to
Method described in 5 any claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711000976.9A CN107635274A (en) | 2017-10-24 | 2017-10-24 | Method for network access and terminal of a kind of terminal under international roaming state |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711000976.9A CN107635274A (en) | 2017-10-24 | 2017-10-24 | Method for network access and terminal of a kind of terminal under international roaming state |
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| CN201711000976.9A Pending CN107635274A (en) | 2017-10-24 | 2017-10-24 | Method for network access and terminal of a kind of terminal under international roaming state |
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| CN110830981A (en) * | 2018-08-14 | 2020-02-21 | 展讯通信（上海）有限公司 | Automatic attempt method and device for forbidden network and mobile terminal |
| CN111726850A (en) * | 2020-06-22 | 2020-09-29 | 展讯通信（上海）有限公司 | Network access control method, device, terminal and readable storage medium |
| CN114501587A (en) * | 2020-11-12 | 2022-05-13 | 中国联合网络通信集团有限公司 | Cell access method and user terminal |
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