CN103763758B - Data service handling method and data business processing device - Google Patents
Data service handling method and data business processing device Download PDFInfo
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- CN103763758B CN103763758B CN201410040981.2A CN201410040981A CN103763758B CN 103763758 B CN103763758 B CN 103763758B CN 201410040981 A CN201410040981 A CN 201410040981A CN 103763758 B CN103763758 B CN 103763758B
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Abstract
The invention provides a kind of data service handling method and a kind of data processing device, wherein, data service handling method includes：Judge whether mobile terminal is in roaming state；When it is determined that mobile terminal is in roaming state, data service is carried out under the first communication network, and mobile terminal is stopped search the second communication network, wherein, first communication network is Generation Mobile Telecommunication System network or 3 G mobile communication network, and the second communication network is forth generation mobile communications network.The present invention solves LTE multimode single-card double-standby mobile phones when being roamed using the Global Subscriber identification card for not opening 4G data service roaming functions, the problem of frequently occurring data traffic interruptions on 2G/3G networks, and lowers the power consumption of terminal.
Description
Technical field
The present invention relates to communication technical field, in particular to a kind of data service handling method and a kind of data industry
Business processing unit.
Background technology
Voice service is as the most basic and most important demand of wireless telecommunications, even having been enter into 4G in the communications field（The
Four third generation mobile communication networks）This epoch is no exception, but because the LTE standard in 4G is no longer supported to be used to support GSM,
The circuit-switched technology of voice transfer under UMTS and CDMA2000 networks, it can only carry out the packet switch under complete IP network, therefore
Operator needs to solve the problems, such as interim voice transfer at the beginning of LTE networking using some transition schemes, at this stage major chip factories
Business and 3GPP tissues propose different solutions and selected for operator, mainly include single-card double-standby scheme（SGLTE/
SVLTE）, double-card dual-standby scheme, circuit domain dropping scheme（CSFB）, SRVCC/VOLTE, wherein, single deck tape-recorder/double-card dual-standby scheme pair
Network has no special requirements so that network side is changed small, it is not necessary to dispose IMS.
At this stage in LTE networking initial stage, either the network coverage or terminal capability are all limited, thus are often occurred
The problem of influenceing Consumer's Experience 4G data services, wherein it is more typical the problem of be：Single-card double-standby mobile phone in roaming situations without
Method normally uses data service, such as the roaming scence shown in Fig. 1, when user roams, is used due to user
4GUSIM（Universal Subscriber Identity Module, Global Subscriber identification card）Card does not open LTE data industry
Business roaming function（Networking is more typical initial stage）, such user is in roaming place（In the roaming place, 2G/3G roaming functions are open-minded, and
And the network coverage is preferable）Often can not normal browsing webpage, using QQ/ wechats etc. in time communication tool, influence to a certain extent
Consumer's Experience, the reason for causing this problem is mainly current LTE single-card double-standbies mobile phone and there is certain defect in realization.
Only one of which PLMN in one usim card（Public Land Mobile Network, public land mobile network）
List, at home, for same operator, in terminal roaming, 2G/3G/4G belongs to same PLMN.It is based on
This, current LTE single-card double-standby mobile phone implementations are as shown in Figure 2：
（1）The LTE data services attachment of network refusal UE requests（One of reason is that user does not open 4G data services roaming
Function）
（2）Currently resident PLMN is added FPLMN lists by UE（For safeguarding that UE forbids accessing network PLMN, it is stored in
In usim card）
（3）The network signal situation detected according to current UE, initiates registration on 2G or 3G,
（4）, will after 2G or 3G succeed in registration（2）The PLMN of middle addition is deleted from FPLMN lists
（5）Under double standby system, UE detects LTE network again, and when meeting certain condition, UE is sent out again on LTE
Play data service request
（6）Repeat step（1）~（5）.
Therefore, existing implementation meets 3GPP agreements, while ensure that when user does not open 4G roaming functions,
Data service, user can be used to re-register LTE network after returning to primitively under 2G or 3G network.But due to
The distinctive attribute of double standby mobile phone but brings another question, i.e. double standby mobile phone when singly whne 2/3G（Such as roaming condition
Under）, LTE network can be periodically searched for, when the LTE cells searched meet certain condition, UE can be by data service gravity treatment
LTE is caused, to ensure that user farthest experiences 4G.But because gravity treatment make it that data services of the UE on 2/3G is frequently of short duration
Property interrupt, the current ongoing data service of influence user, such as QQ/ wechats can go offline suddenly.
The content of the invention
The present invention is based on above mentioned problem, it is proposed that a kind of new data processing technology, can be for not opening 4G
The user of data service roaming function, can not influence it to use the continuity of data service.
In view of this, according to an aspect of the invention, there is provided a kind of data service handling method, for single-card double-standby
Mobile terminal, including：Judge whether mobile terminal is in roaming state；It is determined that the mobile terminal is in the roaming state
When, carry out data service under the first communication network, and the mobile terminal is stopped search the second communication network, wherein, institute
The first communication network is stated for Generation Mobile Telecommunication System network or the 3 G mobile communication network, second communication network is
Forth generation mobile communications network.
When it is determined that mobile terminal is in roaming state, mobile terminal can normal registration to the 2G/3G networks of locality, and stop
Only to the search of 4G networks, it will not be interrupted so as to the data service under 2G/3G networks, lifting Consumer's Experience, and by
In the search work of stopping 4G networks, therefore also reduce the power consumption of mobile terminal.
In the above-mentioned technical solutions, it is preferred that described to judge that the step of whether mobile terminal is in roaming state includes：Institute
State mobile terminal and send data service attach request to second communication network；According to refusing that second communication network is responded
Exhausted reason determines that the mobile terminal is in roaming state；Registration request is sent to first communication network.
After mobile terminal, which is sent, to be roamed, if sending data service request to 4G networks, 4G networks feed back into movement
Reason For Denial, is that user does not open 4G data service roaming functions according to Reason For Denial, is come from according to the refusal and can determine that terminal
Whether roam.When it is determined that terminal is roamed, then registration request is sent to 2G/3G networks, it is ensured that terminal can be carried out
Data service.
In any of the above-described technical scheme, it is preferred that can also include：Please sending registration to first communication network
Before asking, the PLMN that the mobile terminal is currently resident is added to the public land movement being denied access
In network list.
In any of the above-described technical scheme, it is preferred that can also include：To the first communication network registration success
Afterwards, or when the network service zone locations where detecting the mobile terminal update, judge that the mobile terminal is
It is no to be returned to primitively from roaming place；It is determined that the mobile terminal return to it is described primitively when, will be described currently resident public
Land mobile network is removed from the PLMN list being denied access, and searches for second communication network
Network, to recover the data service on second communication network；When it is determined that the mobile terminal is still in the roaming place, after
Continuous second communication network that stops search.
During data service is carried out using 2G/3G networks, judge whether mobile terminal returns to from roaming place original
Ground, when it is determined that mobile terminal is returned to primitively, then searches for LTE network, otherwise still resides in 2G/3G networks.Thus can be with
Avoid constantly searching for LTE network as prior art, improve the power consumption of mobile terminal, and can also avoid to 2G/3G
The influence of data service on network.
In the above-mentioned technical solutions, it is preferred that obtain during first communication network is registered in, the mobile terminal
The network service zone locations information at place；Judge whether the mobile terminal returns according to the network service zone locations information
To it is described primitively.
Judge whether mobile terminal returns to primitively, the network service zone locations that terminal is currently located, root can be obtained
It can determine that whether mobile terminal returns to primitively according to the network service zone locations, return to and primitively also illustrate that mobile terminal is current
It has been not at roaming state.
According to another aspect of the present invention, a kind of data processing device is additionally provided, is moved eventually for single-card double-standby
End, including：Judging unit, for judging whether mobile terminal is in roaming state；Switch unit, is connected to the judgement single
Member, when it is determined that the mobile terminal is in the roaming state, carries out data service, and make described under the first communication network
Mobile terminal stops search the second communication network, wherein, first communication network is Generation Mobile Telecommunication System network or described
3 G mobile communication network, second communication network is forth generation mobile communications network.
When it is determined that mobile terminal is in roaming state, mobile terminal can normal registration to the 2G/3G networks of locality, and stop
Only to the search of 4G networks, it will not be interrupted so as to the data service under 2G/3G networks, lifting Consumer's Experience, and by
In the search work of stopping 4G networks, therefore also reduce the power consumption of mobile terminal.
In the above-mentioned technical solutions, it is preferred that can also include：Request unit, for being sent out to second communication network
Data service attach request is sent, and after the refusal respond of second communication network is received, to first communication network
Network sends registration request；The judging unit is additionally operable to determine the shifting according to the Reason For Denial that second communication network is responded
Dynamic terminal is in roaming state.
After mobile terminal, which is sent, to be roamed, if sending data service request to 4G networks, 4G networks feed back into movement
Reason For Denial, is that user does not open 4G data service roaming functions according to Reason For Denial, is come from according to the refusal and can determine that terminal
Whether roam.When it is determined that terminal is roamed, then registration request is sent to 2G/3G networks, it is ensured that terminal can be carried out
Data service.
In the above-mentioned technical solutions, it is preferred that can also include：List update unit, for single in the described second request
Member is sent to first communication network before registration request, the PLMN that the mobile terminal is currently resident
Added in the PLMN list being denied access.
In the above-mentioned technical solutions, it is preferred that the judging unit be additionally operable to first communication network registration into
After work(, or when the network service zone locations where detecting the mobile terminal update, judge described mobile whole
Whether end returns to primitively from roaming place；The list update unit is additionally operable to determine the mobile terminal in the judging unit
When described in returning to primitively, the currently resident PLMN is moved from the public land being denied access
Removed in dynamic network list, and notify the second communication network described in the mobile terminal to search, to recover in the described second communication
Data service on network.
During data service is carried out using 2G/3G networks, judge whether mobile terminal returns to from roaming place original
Ground, when it is determined that mobile terminal is returned to primitively, then searches for LTE network, otherwise still resides in 2G/3G networks.Thus can be with
Avoid constantly searching for LTE network as prior art, improve the power consumption of mobile terminal, and can also avoid to 2G/3G
The influence of data service on network.
In the above-mentioned technical solutions, it is preferred that can also include：Zone locations acquiring unit, is connected to the judgement single
Member, for obtaining during first communication network is registered in, the network service zone locations letter where the mobile terminal
Breath, it is described original that the judging unit judges whether the mobile terminal returns to according to the network service zone locations information
Ground.
Judge whether mobile terminal returns to primitively, the network service zone locations that terminal is currently located, root can be obtained
It can determine that whether mobile terminal returns to primitively according to the network service zone locations, return to and primitively also illustrate that mobile terminal is current
It has been not at roaming state.
Brief description of the drawings
Fig. 1 shows the schematic diagram of roaming scence；
Fig. 2 shows the flow chart of the data service handling method in correlation technique；
Fig. 3 shows the flow chart of data service handling method according to an embodiment of the invention；
Fig. 4 shows the flow chart of data service handling method according to another embodiment of the present invention；
Fig. 5 shows the block diagram of data processing device according to an embodiment of the invention.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 3 shows the flow chart of data service handling method according to an embodiment of the invention.
As shown in figure 3, data service handling method according to an embodiment of the invention, for single-card double-standby mobile terminal,
It may comprise steps of：
Step 302, judge whether mobile terminal is in roaming state；
Step 304, when it is determined that mobile terminal is in roaming state, data service is carried out under the first communication network, and
The mobile terminal is set to stop search the second communication network, wherein, first communication network is Generation Mobile Telecommunication System network
Or the 3 G mobile communication network, second communication network is forth generation mobile communications network.
When it is determined that mobile terminal is in roaming state, mobile terminal can normal registration to the 2G/3G networks of locality, and stop
Only to the search of 4G networks, it will not be interrupted so as to the data service under 2G/3G networks, lifting Consumer's Experience, and by
In the search work of stopping 4G networks, therefore also reduce the power consumption of mobile terminal.
In the above-mentioned technical solutions, it is preferred that described to judge that the step of whether mobile terminal is in roaming state includes：Institute
State mobile terminal and send data service attach request to second communication network；According to refusing that second communication network is responded
Exhausted reason determines that the mobile terminal is in roaming state；Registration request is sent to first communication network.
After mobile terminal, which is sent, to be roamed, if sending data service request to 4G networks, 4G networks feed back into movement
Reason For Denial, is that user does not open 4G data service roaming functions according to Reason For Denial, is come from according to the refusal and can determine that terminal
Whether roam.When it is determined that terminal is roamed, then registration request is sent to 2G/3G networks, it is ensured that terminal can be carried out
Data service.
In any of the above-described technical scheme, it is preferred that can also include：Please sending registration to first communication network
Before asking, the PLMN that the mobile terminal is currently resident is added to the public land movement being denied access
In network list.
In any of the above-described technical scheme, it is preferred that can also include：To the first communication network registration success
Afterwards, or when the network service zone locations where detecting the mobile terminal update, judge that the mobile terminal is
It is no to be returned to primitively from roaming place；It is determined that the mobile terminal return to it is described primitively when, will be described currently resident public
Land mobile network is removed from the PLMN list being denied access, and searches for second communication network
Network, to recover the data service on second communication network；When it is determined that the mobile terminal is still in the roaming place, after
Continuous second communication network that stops search.
During data service is carried out using 2G/3G networks, judge whether mobile terminal returns to from roaming place original
Ground, when it is determined that mobile terminal is returned to primitively, then searches for LTE network, otherwise still resides in 2G/3G networks.Thus can be with
Avoid constantly searching for LTE network as prior art, improve the power consumption of mobile terminal, and can also avoid to 2G/3G
The influence of data service on network.
In the above-mentioned technical solutions, it is preferred that obtain during first communication network is registered in, the mobile terminal
The network service zone locations information at place；Judge whether the mobile terminal returns according to the network service zone locations information
To it is described primitively.
Judge whether mobile terminal returns to primitively, the network service zone locations that terminal is currently located, root can be obtained
It can determine that whether mobile terminal returns to primitively according to the network service zone locations, return to and primitively also illustrate that mobile terminal is current
It has been not at roaming state.
Fig. 4 shows the flow chart of data service handling method according to another embodiment of the present invention.
As shown in figure 4, on existing technical scheme basis（The roaming function of the 2G/3G networks of terminal is open-minded, and 4G
The roaming function of network is not open-minded）, the present invention, which is proposed, judges whether current UE is in roaming state, thus decision-making terminal（UE）
Whether start LTE network search and initiate registration on LTE again, scheme is realized simple.4G data are not opened when user uses
When the usim card of service roaming function is roamed, UE can be with 2/3G networks local in normal registration, and in the net registered
The data service of correlation is carried out under network, data service will not be interrupted, and user can be carried out by chat tools such as QQ or wechats
Normal real-time Communication for Power.Detailed process is as follows：
Step 402, terminal sends data service attach request to LTE network.
Step 404, the LTE data service attach requests that network refusal terminal is initiated.
Step 406, whether be do not open data service roaming function, if it is, entering step if judging network Reason For Denial
Rapid 408, otherwise carry out other reasonses analysis.
Step 408, the non-turn-on data service roaming function of terminal, illustrates that terminal is in roaming state.If not opening number
According to service roaming function, then by currently resident PLMN（PLMN）Add FPLMN lists（It is denied access
PLMN, this information is stored in usim card）.
Step 410, registration request is initiated on 2G or 3G network.
Step 412, judge to register whether success, if not successfully, returning to step 410.If success, into step 416.
Step 416, judge whether terminal returns to primitively from roaming place, that is, judge terminal whether still in roaming state.
Step 418, if terminal is not returned to primitively, stop search LTE network.
Step 420, if terminal is returned to primitively, the PLMN previously added in FPLMN lists is removed.
Step 422, LTE network search is started.
Step 424, judge whether the LTE cells searched meet data service reselection conditions, if so, then entering step
426, step 422 is otherwise returned to, LTE cells are continued search for.
Step 426, when the LTE cells searched meet data service reselection conditions, UE initiates data on LTE again
Service request, recovers 4G data services.
It should be noted, in step 416, terminal obtains the network service zone locations that are currently located whether to judge terminal
Return to primitively.Such as user A usim card is the card that Beijing movement provides service, and the usim card is primitively Beijing movement
The Beijing area of network service covering is provided, when user A arrives Shenzhen by air, now the roaming place of the usim card is that Guangdong is moved
The dynamic Shenzhen area that network service covering is provided.If the terminal where detecting usim card returns to Beijing movement and provides network clothes
The Beijing area of business covering, then it is assumed that the terminal is returned to primitively.
Judge whether UE occurs band of position renewal during being registered in 2/3G（LAU）, when occurring band of position renewal,
Triggering carries out step 416, judges that the band of position updated causes terminal to be in roaming state, is in non-roaming state, i.e.,
In primitively, roaming place is in.As long as not being taken as roaming place primitively.
That is, after being registered on 2G/3G networks, or detect the band of position of terminal and update, or two
Person occurs simultaneously when, carry out not 416.Once it is determined that terminal is in roaming place, just stop the search of LTE network, it is ensured that only
When terminal is returned to primitively, the search of LTE network is just proceeded by.So, not only it can ensure in roaming place to enter in terminal
During row 2G/3G data services, the interruption of data service will not be caused because of the gravity treatment of LTE cells, while also reducing terminal
A large amount of power consumptions caused by searching for LTE network always.
Fig. 5 shows the block diagram of data processing device according to an embodiment of the invention.
As shown in figure 5, data processing device 500 includes according to an embodiment of the invention：Judging unit 502, is used
In judge mobile terminal whether be in roaming state；Switch unit 504, is connected to the judging unit 502, it is determined that described move
When dynamic terminal is in the roaming state, data service is carried out under the first communication network, and make the mobile terminal stop searching
The communication network of rope second, wherein, first communication network is Generation Mobile Telecommunication System network or the 3G (Third Generation) Moblie
Network, second communication network is forth generation mobile communications network.
When it is determined that mobile terminal is in roaming state, mobile terminal can normal registration to the 2G/3G networks of locality, and stop
Only to the search of 4G networks, it will not be interrupted so as to the data service under 2G/3G networks, lifting Consumer's Experience, and by
In the search work of stopping 4G networks, therefore also reduce the power consumption of mobile terminal.
In the above-mentioned technical solutions, it is preferred that can also include：Request unit 506, for second communication network
Data service attach request is sent, and after the refusal respond of second communication network is received, to the described first communication
Network sends registration request；The Reason For Denial that the judging unit 502 is additionally operable to be responded according to second communication network is determined
The mobile terminal is in roaming state.
After mobile terminal, which is sent, to be roamed, if sending data service request to 4G networks, 4G networks feed back into movement
Reason For Denial, is that user does not open 4G data service roaming functions according to Reason For Denial, is come from according to the refusal and can determine that terminal
Whether roam.When it is determined that terminal is roamed, then registration request is sent to 2G/3G networks, it is ensured that terminal can be carried out
Data service.
In the above-mentioned technical solutions, it is preferred that can also include：List update unit 508, in the described second request
Unit is sent to first communication network before registration request, the public land mobile network that the mobile terminal is currently resident
Network is added in the PLMN list being denied access.
In the above-mentioned technical solutions, it is preferred that the judging unit 502 is additionally operable to first communication network registration
After success, or when the network service zone locations where detecting the mobile terminal update, judge the movement
Whether terminal returns to primitively from roaming place；The list update unit 508 is additionally operable to determine the shifting in the judging unit
Dynamic terminal return to it is described primitively when, by the currently resident PLMN from it is described be denied access it is public
Removed in Land Mobile Network List, and notify the second communication network described in the mobile terminal to search, to recover described the
Data service on two communication networks.
During data service is carried out using 2G/3G networks, judge whether mobile terminal returns to from roaming place original
Ground, when it is determined that mobile terminal is returned to primitively, then searches for LTE network, otherwise still resides in 2G/3G networks.Thus can be with
Avoid constantly searching for LTE network as prior art, improve the power consumption of mobile terminal, and can also avoid to 2G/3G
The influence of data service on network.
In the above-mentioned technical solutions, it is preferred that can also include：Zone locations acquiring unit 510, is connected to the judgement
Single 502, for obtaining during first communication network is registered in, the network service zone locations where the mobile terminal
Information, the judging unit 502 is according to the network service zone locations information judges whether the mobile terminal return to
Primitively.Judge whether mobile terminal returns to primitively, the network service zone locations that terminal is currently located can be obtained, according to
The network service zone locations can determine that whether mobile terminal returns to primitively, returns to and primitively also illustrates that mobile terminal is current
It is not at roaming state.
Technique according to the invention scheme is described in detail above in association with accompanying drawing, it is double that the present invention solves LTE multimodes single deck tape-recorder
When mobile phone is being roamed using the usim card for not opening 4G data service roaming functions, number is frequently occurred on 2/3G networks
The problem of according to service disconnection, and when also reducing roaming to a certain extent double standby power consumption, further enhancing Consumer's Experience.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (6)
1. a kind of data service handling method, it is characterised in that for single-card double-standby mobile terminal, including：
Judge whether mobile terminal is in roaming state；
When it is determined that the mobile terminal is in the roaming state, data service is carried out under the first communication network, and make institute
Mobile terminal is stated to stop search the second communication network,
Wherein, first communication network is Generation Mobile Telecommunication System network or 3 G mobile communication network, and described second leads to
Communication network is forth generation mobile communications network；
It is described to judge that the step of whether mobile terminal is in roaming state includes：
The mobile terminal sends data service attach request to second communication network；
The Reason For Denial responded according to second communication network determines that the mobile terminal is in roaming state；
Registration request is sent to first communication network；
Obtain during first communication network is registered in, the network service zone locations information where the mobile terminal；
Judge whether the mobile terminal returns to primitively according to the network service zone locations information.
2. data service handling method according to claim 1, it is characterised in that also include：
Before registration request is sent to first communication network, the public land that the mobile terminal is currently resident is moved
Network is added in the PLMN list being denied access.
3. data service handling method according to claim 2, it is characterised in that also include：
After successful to first communication network registration, or the network service area where the mobile terminal is detected
When position updates, judge whether the mobile terminal returns to primitively from roaming place；
It is determined that the mobile terminal return to it is described primitively when, by the currently resident PLMN from described
Removed in the PLMN list being denied access, and search for second communication network, to recover described the
Data service on two communication networks；
When it is determined that the mobile terminal is still in the roaming place, continue second communication network that stops search.
4. a kind of data processing device, it is characterised in that for single-card double-standby mobile terminal, including：
Judging unit, for judging whether mobile terminal is in roaming state；
Switch unit, is connected to the judging unit, logical first when it is determined that the mobile terminal is in the roaming state
Carry out data service under communication network, and the mobile terminal is stopped search the second communication network,
Wherein, first communication network is Generation Mobile Telecommunication System network or 3 G mobile communication network, and described second leads to
Communication network is forth generation mobile communications network；
Request unit, for sending data service attach request to second communication network, and is receiving described second
After the refusal respond of communication network, registration request is sent to first communication network；
The judging unit is additionally operable to determine that the mobile terminal is according to the Reason For Denial that second communication network is responded
Roaming state；
Zone locations acquiring unit, is connected to the judging unit, for obtaining during first communication network is registered in,
Network service zone locations information where the mobile terminal, the judging unit is believed according to the network service zone locations
Breath judges whether the mobile terminal returns to primitively.
5. data processing device according to claim 4, it is characterised in that also include：
List update unit, for before the request unit sends registration request to first communication network, by described in
The PLMN that mobile terminal is currently resident is added in the PLMN list being denied access.
6. data processing device according to claim 5, it is characterised in that the judging unit is additionally operable to institute
After stating the success of the first communication network registration, or network service zone locations where the mobile terminal is detected occur more
When new, judge whether the mobile terminal returns to primitively from roaming place；
The list update unit be additionally operable to the judging unit determine the mobile terminal return to it is described primitively when, by institute
State currently resident PLMN to remove from the PLMN list being denied access, and lead to
The second communication network described in the mobile terminal to search is known, to recover the data service on second communication network.
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| CN201410040981.2A CN103763758B (en) | 2014-01-27 | 2014-01-27 | Data service handling method and data business processing device |
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| CN201410040981.2A CN103763758B (en) | 2014-01-27 | 2014-01-27 | Data service handling method and data business processing device |
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| CN104469871A (en) * | 2014-10-30 | 2015-03-25 | 宇龙计算机通信科技(深圳)有限公司 | Communication network switching method and device |
| CN104378806B (en) * | 2014-11-17 | 2019-09-24 | 联想(北京)有限公司 | Information processing method and terminal device |
| CN104469734B (en) * | 2014-12-01 | 2017-12-15 | 中国联合网络通信集团有限公司 | International roaming register method and system based on double-terminal |
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