CN104954546B - Dual-card intelligent terminal and the SIM card intelligent switch method based on dual-card intelligent terminal - Google Patents

Dual-card intelligent terminal and the SIM card intelligent switch method based on dual-card intelligent terminal Download PDF

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CN104954546B
CN104954546B CN201510037032.3A CN201510037032A CN104954546B CN 104954546 B CN104954546 B CN 104954546B CN 201510037032 A CN201510037032 A CN 201510037032A CN 104954546 B CN104954546 B CN 104954546B
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sim card
card
dual
intelligent terminal
communications service
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CN104954546A (en
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冯美银
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SHENZHEN K-FREE WIRELESS INFORMATION TECHNOLOGY Co Ltd
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SHENZHEN K-FREE WIRELESS INFORMATION TECHNOLOGY Co Ltd
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Abstract

The invention discloses a kind of dual-card intelligent terminal and the SIM card intelligent switch method based on dual-card intelligent terminal.The dual-card intelligent terminal includes processing module, communication module and SIM card handover module.When the processing module is used to receive the call instruction of user, voice call request is initiated, and send SIM card switching command to the SIM card handover module when the current signal strength of dual-card intelligent terminal is not up to the signal strength threshold set to target communication devices by communication module.The SIM card handover module is for when receiving SIM card switching command, perform the second SIM card handover operation of the first SIM card handover operation or execution by dual-card intelligent terminal from the second current Communications service pattern switching to the first Communications service pattern by dual-card intelligent terminal from the first current Communications service pattern switching to the second Communications service pattern.The present invention can decide whether that performing SIM card intelligently switches according to the concrete condition in calling procedure, and the operation that dials for user provides great convenience.

Description

Dual-card intelligent terminal and the SIM card intelligent switch method based on dual-card intelligent terminal
Technical field
The present invention relates to voice communication technology field, more specifically to a kind of dual-card intelligent terminal and based on double card The SIM card intelligent switch method of intelligent terminal.
Background technology
With the rapid development of the communication technology, it is built-in with the popularity rate of mobile terminal of double SIM card or plurality of SIM cards increasingly It is high.However, mobile terminal on the market does not have intelligentized SIM handoff functionalities, user is in SIM card arrearage or local environment Call failure can be led to by carrying out call operation using mobile terminal in the case that network signal is bad.At this point, user need to be in movement SIM card switching is carried out in terminal manually, the communication function provided using another SIM card continues call operation.For For user, SIM card manual switching process is not only laborious time-consuming, and user experience is bad, it is also possible to user be caused to miss important electricity The situation of words impacts the work and life of user.
Invention content
The technical problem to be solved in the present invention is that, for drawbacks described above of the prior art, providing one kind can be according to mesh The dual-card intelligent terminal that mark communication equipment call case progress SIM card intelligently switches and the SIM card intelligence based on dual-card intelligent terminal It can switching method.
The technical solution adopted by the present invention to solve the technical problems is:A kind of dual-card intelligent terminal is provided, including processing The communication module of module, connection processing module, first SIM card of dual-card intelligent terminal built-in, the second SIM card, and work in The the first Communications service pattern provided by the first SIM card or the second Communications service pattern provided by the second SIM card, the double card Intelligent terminal further includes the SIM card handover module of connection processing module;
The processing module is used to work as dual-card intelligent terminal works in the first Communications service pattern and receives user's input Call instruction when, by communication module to target communication devices corresponding with the call instruction initiate voice call request, sentence Whether the current signal strength that disconnected dual-card intelligent terminal obtains reaches the signal strength threshold needed for the call of setting and is deserving When front signal intensity is not up to the signal strength threshold the first SIM card switching command is sent to the SIM card handover module;
And for work as dual-card intelligent terminal works in the second Communications service pattern and receive it is input by user calling refer to When enabling, call request is initiated to target communication devices corresponding with the call instruction by communication module, judges dual-card intelligent end Whether the current signal strength that end obtains reaches signal strength threshold needed for the call of setting and signal strength is not in this prior When reaching the signal strength threshold the second SIM card switching command is sent to the SIM card handover module;
The SIM card handover module for receive the first SIM card switching command when, perform by dual-card intelligent terminal from work as The first preceding Communications service pattern switching is to the first SIM card handover operation of the second Communications service pattern;
And it is performed during for receiving the second SIM card switching command by dual-card intelligent terminal from the second current communication garment Be engaged in pattern switching to the first Communications service pattern the second SIM card handover operation.
In the above-mentioned dual-card intelligent terminal of the present invention, the dual-card intelligent terminal further includes the loud speaker of connection processing module Module:
The processing module is additionally operable to reach or surpass in the speech signal intensity that the first SIM card or the second SIM card are provided When crossing the speech signal intensity threshold of setting, then judge the first SIM card or the second SIM card whether in arrearage state and really When fixed first SIM card or the second SIM card are in arrearage state, the loudspeaker module is controlled to play the arrearage signal language of setting Sound.
In the above-mentioned dual-card intelligent terminal of the present invention, the dual-card intelligent terminal further includes the SIM card of connection processing module Handover module control switch starts or closes SIM card handover module for being set according to user.
In the above-mentioned dual-card intelligent terminal of the present invention, the dual-card intelligent terminal further includes the record mould of connection processing module The memory of block and linkage record module, the processing module are additionally operable to judge dual-card intelligent terminal by the first Communications service mould Formula is switched to the second Communications service pattern or during by the second Communications service pattern switching to the first Communications service pattern, and generation is primary SIM card handover event and the SIM card switching origin of an incident for the secondary SIM card handover event;
The logging modle is additionally operable to record SIM card handover event each time and the SIM card switching origin of an incident, and will It records information and the memory is written.
In the above-mentioned dual-card intelligent terminal of the present invention, the processing module is additionally operable to double card through SIM card handover module When intelligent terminal is switched to the second Communications service pattern, the second SIM card is activated, and pass through the second SIM card to target communication terminal Audio call is initiated, simultaneously closes off the communication service function of the first SIM card;
The processing module is additionally operable to that dual-card intelligent terminal is switched to the first Communications service mould by SIM card handover module During formula, the first SIM card is activated, and passes through the first SIM card and initiates audio call to target communication terminal, simultaneously closes off the 2nd SIM The communication service function of card.
The present invention also provides a kind of SIM card intelligent switch methods based on dual-card intelligent terminal, and the method includes as follows Step:
S1, work in the first Communications service pattern and received under the first Communications service pattern it is input by user calling refer to When enabling, audio call is initiated, while judge double card intelligence to target communication devices corresponding with the call instruction by communication module The current signal strength that energy terminal obtains whether reaches the signal strength threshold needed for the call of setting and signal is strong in this prior When degree is not up to the signal strength threshold the first SIM card switching command is sent to the SIM card handover module;
Or it works in the second Communications service pattern and receives calling input by user under the second Communications service pattern During instruction, audio call is initiated, while judge double card to target communication devices corresponding with the call instruction by communication module Whether the current signal strength that intelligent terminal obtains reaches signal strength threshold needed for the call of setting and in this prior signal When intensity is not up to the signal strength threshold the second SIM card switching command is sent to the SIM card handover module;
S2, the first SIM card switching command is received, performs and cut dual-card intelligent terminal from the first current Communications service pattern The first SIM card handover operation of the second Communications service pattern is changed to, and to this under the first Communications service pattern being switched to Target communication devices re-initiate audio call;
Or the second SIM card switching command is received, it performs dual-card intelligent terminal from the second current Communications service pattern Be switched to the second SIM card handover operation of the first Communications service pattern, and under the second Communications service pattern being switched to The target communication devices re-initiate audio call.
In the above-mentioned SIM card intelligent switch method of the present invention, the step S1 is further included:Such as judge that dual-card intelligent terminal obtains The current signal strength taken reaches the signal strength threshold of setting, then continues to judge whether the first SIM card or the second SIM card are in When arrearage state and determining first SIM card or the second SIM card are in arrearage state, controlling loudspeaker module plays owing for setting Take suggestion voice.
In the above-mentioned SIM card intelligent switch method of the present invention, further included between the step S1 and the step S2 as Lower step:
S12, judge SIM card handover module whether in opening;If SIM card handover module is in opening, then Step S2 is performed, if SIM card handover module is closed, then stops exhaling to the secondary voice that target communication devices are initiated It cries.
In the above-mentioned SIM card intelligent switch method of the present invention, the step S2 is further included:
S21, when dual-card intelligent terminal is switched to the second Communications service pattern, activate the second SIM card, and pass through second SIM card re-initiates audio call to target communication terminal, simultaneously closes off the communication service function of the first SIM card or is inciting somebody to action When dual-card intelligent terminal switches to the first Communications service pattern, the first SIM card is activated, and pass through the first SIM card to target communication Terminal initiates audio call, simultaneously closes off the communication service function of the second SIM card.
In the above-mentioned SIM card intelligent switch method of the present invention, following steps are further included after the step S2:
S3, monitor and monitor dual-card intelligent end in real time to the SIM card handover operation that SIM card handover module performs End leads to by the first Communications service pattern switching to the second Communications service pattern or by the second Communications service pattern switching to first When interrogating service mode, a SIM card handover event and the SIM card switching origin of an incident of the secondary SIM card handover event are generated;
S4, SIM card handover event each time and the SIM card switching origin of an incident are recorded, and record information write-in is deposited Reservoir.
Implement dual-card intelligent terminal of the present invention and the SIM card intelligent switch method based on dual-card intelligent terminal, have following Advantageous effect:
1st, dual-card intelligent terminal of the present invention is provided with SIM card handover module and SIM card handover module control switch, works as user By dual-card intelligent terminal to target communication devices initiate to call when, which can be the of dual-card intelligent terminal The communication network that the SIM card of one SIM card/second provides is bad or the first SIM card/second SIM card when there is arrearage situation, extremely short The Communications service of the first Communications service pattern provided dual-card intelligent terminal from the SIM card of the first SIM card/second in time/second Pattern switching is to the communication service mode of the second Communications service pattern provided by the SIM card of the second SIM card/first/first, and the Under the two communication Communications service patterns of service modes/first calling is re-initiated to the target communication devices, therefore double card intelligence of the present invention Energy terminal can decide whether that performing SIM card intelligently switches, and avoids user's call failure according to the concrete condition in calling procedure The worry of manual switching SIM card later, the operation that dials for user provide great convenience, while avoid user and miss phone Situation.
2nd, dual-card intelligent terminal of the present invention has SIM card handover event and the writing function of the SIM card switching origin of an incident, can be to it The handover event of SIM card each time and its switching origin of an incident performed is recorded and preserved, in order to which user checks and understand intelligence The service condition of terminal SIM card.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing:
Fig. 1 is the structure diagram for the dual-card intelligent terminal that present pre-ferred embodiments provide;
Fig. 2 is the intelligence of the SIM card based on the dual-card intelligent terminal shown in FIG. 1 switching side that present pre-ferred embodiments provide The flow chart of method.
Specific embodiment
For arduously time-consuming, the poor user experience that solves SIM card manual switching process in the prior art, and SIM card is cut manually The defects of being also possible to that user is caused to miss important phone is changed, main innovation of the invention point is:
1st, dual-card intelligent terminal of the present invention setting SIM card handover module 400 and SIM card handover module control switch, when with By dual-card intelligent terminal to during target communication devices initiation calling, which can be in dual-card intelligent terminal at family The communication network that provides of 500/ second SIM card 600 of the first SIM card it is bad or 500/ second SIM card 600 of the first SIM card occurs During arrearage situation, dual-card intelligent terminal first is led to from what 500/ second SIM card 600 of the first SIM card provided in very short time The Communications service pattern switching of service mode/second is interrogated to the second communication garment provided by 600/ first SIM card 500 of the second SIM card The communication service mode of business pattern/first, and set under the Communications service pattern of the second Communications service pattern/first to the target communication It is standby to re-initiate calling, therefore dual-card intelligent terminal of the present invention can decide whether to perform SIM according to the concrete condition in calling procedure Card intelligence switching, avoids the worry of manual switching SIM card after user's call failure, and the operation that dials for user provides greatly It is convenient, at the same avoid user miss phone the occurrence of.
2nd, dual-card intelligent terminal of the present invention has SIM card handover event and the writing function of the SIM card switching origin of an incident, can be to it The handover event of SIM card each time and its switching origin of an incident performed is recorded and preserved, in order to which user checks and understand intelligence The particular condition in use of terminal SIM card.
Since present invention employs SIM card handover module 400 and SIM card handover module control are set in dual-card intelligent terminal The design of switch is made, SIM card manual switching process is arduously time-consuming so solving in the prior art, poor user experience, and SIM card The technical issues of manual switching is also possible to that user is caused to miss important phone, the intelligence for having reached double SIM card or plurality of SIM cards are cut It changes, switches the record of the origin of an incident to SIM card handover event and SIM card in order to which user understands the beneficial of the specifically used situation of SIM card Effect.
In order to which the purpose of the present invention is more clearly understood, with reference to the accompanying drawings and embodiments, to the present invention into advance one Step is described in detail.It should be appreciated that specific embodiment described herein is not used to limit this hair only to explain the present invention It is bright.
Below by by taking first better embodiment of the present invention as an example, the structure of dual-card intelligent terminal of the present invention is carried out Explanation:
As shown in Figure 1, dual-card intelligent terminal built-in of the present invention has the first SIM card 500 and the second SIM card 600, and work in The the first Communications service pattern provided by the first SIM card 500 or the second Communications service pattern provided by the second SIM card 600.It should Dual-card intelligent terminal further includes processing module 300, the memory 900 of connection processing module 300, loudspeaker module, communication module 700th, SIM card handover module 400, input module 200 and the display screen 100 for connecting input module 200.The dual-card intelligent is whole End is additionally provided with a SIM card handover module control switch, for controlling the start and stop of SIM card handover module 400.
Wherein, input module 200 is used to receive incoming call under the voice call interface that user shows in display screen 100 Instruction, by call instruction input processing module 300.
Processing module 300 is used to determine target communication devices according to the call instruction that receives, by communication module 700 to Target communication devices initiate audio call, while judge whether the current signal strength that dual-card intelligent terminal obtains meets or exceeds Signal strength threshold needed for the foundation call of setting, and signal strength is not up to the signal strength threshold set in this prior When, send out SIM card switching command to SIM card handover module 400.
When SIM card handover module 400 is used to receive the SIM card switching command of processing module 300, by dual-card intelligent terminal By the first current Communications service pattern switching to the second Communications service pattern, the communication service work(of the second SIM card 600 is activated Can, while shield the communication service function of the first SIM card 500 or by dual-card intelligent terminal by the second current Communications service Pattern switching activates the communication service function of the first SIM card 500, while shield the second SIM card to the first Communications service pattern 600 communication service function.
While the processing module 300 is additionally operable to 400 execution SIM card handover operation of control SIM card handover module, generation one Secondary SIM card handover event and its switching origin of an incident, the switching origin of an incident are interrupted including 500 network signal of the first SIM card, and first SIM card 500 is in arrearage state, 600 network signal of the second SIM card interrupts, and the second SIM card 600 is in arrearage state.
The logging modle 800 between dual-card intelligent terminal and other communication apparatus basic call-information, double card SIM card handover event and SIM card the switching origin of an incident of intelligent terminal are recorded, and record information is stored in memory 900.
In the present invention, which can be existing smart mobile phone or tablet computer, and the dual-card intelligent is whole The display screen 100 at end can be touch screen or non-touch-control screen.Processing module 300 and SIM card the switching mould of the dual-card intelligent terminal Block 400 can be the existing mobile processor based on ARM frameworks.
Below by by the present invention second better embodiment for, to the present invention is based on the SIM of dual-card intelligent terminal Card intelligent switch method illustrates:
As shown in Fig. 2, step S102 of the present invention includes sub-step S1021 and sub-step S1022.In step S101, sentence Communications service pattern residing for dual-card intelligent terminal of the present invention of breaking.As dual-card intelligent terminal works are provided in by the first SIM card 500 The first Communications service pattern, then perform step S1021;If dual-card intelligent terminal works are in provided by the second SIM card 600 Two communication service modes, perform step S1022.
In sub-step S1021, dual-card intelligent terminal receives calling input by user under the first Communications service pattern Instruction determines target communication devices, and initiate audio call to target communication devices according to the call instruction.
In sub-step S1022, dual-card intelligent terminal receives calling input by user under the second Communications service pattern Instruction determines target communication devices, and initiate audio call to target communication devices according to the call instruction.
In step s 103, processing module 300 judges whether the current signal strength of dual-card intelligent terminal meets or exceeds The signal strength threshold of setting.Current signal strength such as dual-card intelligent terminal meets or exceeds the signal strength threshold of setting, Step S104 is then performed, otherwise, performs step S106.
In step S104, judge SIM card handover module 400 whether in opening.Such as SIM card handover module 400 In opening, then step S105 is performed, otherwise perform step S106.
In step S105, if dual-card intelligent terminal works are in the first Communications service mould provided by the first SIM card 500 Formula, then processing module 300 SIM card handover module 400 is controlled to perform dual-card intelligent terminal from the first Communications service pattern switching To the SIM card handover operation of the second Communications service pattern, dual-card intelligent terminal works is made to be closed simultaneously in the second Communications service pattern The communication service function of the first SIM card 500 is closed, activates the communication service function of the second SIM card 600, and in the second SIM card 600 Under the second Communications service pattern provided audio call is re-initiated to target communication devices.
If dual-card intelligent terminal works are in the second Communications service pattern provided by the second SIM card 600, then processing module 300 control SIM card handover modules 400 are performed dual-card intelligent terminal from the second Communications service pattern switching to the first Communications service The SIM card handover operation of pattern makes dual-card intelligent terminal works simultaneously close off the second SIM card 600 in the first Communications service pattern Communication service function, activate the first SIM card 500 communication service function, and the first SIM card 500 provide first communication Under service mode audio call is re-initiated to target communication devices.
In step s 106, processing module 300 controls communication module 700 to stop the secondary language initiated to target communication devices Sound calls.
In step s 107, judge the first SIM card 500 or the second SIM card 600 whether in arrearage state.Such as the first SIM 500 or second SIM card 600 of card is in arrearage state, then rebound step S104.Such as the first SIM card 500 or the second SIM card 600 not In arrearage state, then next step S108 is performed.
In step S108, under the first Communications service pattern that dual-card intelligent terminal is provided in the first SIM card 500 or second Continue initiation audio call to target communication devices under the second Communications service pattern that SIM card 600 provides, to be set with target communication It is standby to establish transmitting voice signal channel.
It is call-information of the logging modle 800 between dual-card intelligent terminal and target communication devices, double in step S109 The SIM card handover event and its switching origin of an incident that card intelligent terminal occurs are recorded, and record information is stored to memory 900, in order to which user consults the above-mentioned record information stored in memory 900 at any time.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.

Claims (8)

1. a kind of dual-card intelligent terminal, the communication module including processing module, connection processing module, in the dual-card intelligent terminal The first SIM card, the second SIM card are put, and works in the first Communications service pattern provided by the first SIM card or by the second SIM card The the second Communications service pattern provided, which is characterized in that the SIM card that the dual-card intelligent terminal further includes connection processing module is cut Change the mold block;
The processing module is used in the first Communications service pattern and receive input by user exhale when dual-card intelligent terminal works When crying instruction, voice call request is initiated to target communication devices corresponding with the call instruction by communication module, is judged double Whether the current signal strength that card intelligent terminal obtains reaches the signal strength threshold needed for the call of setting and believes in this prior When number intensity is not up to the signal strength threshold the first SIM card switching command is sent to the SIM card handover module;
And for when dual-card intelligent terminal works are in the second Communications service pattern and when receiving call instruction input by user, Call request is initiated to target communication devices corresponding with the call instruction by communication module, judges that dual-card intelligent terminal obtains Current signal strength whether reach signal strength threshold needed for the call of setting and signal strength not up to should in this prior During signal strength threshold the second SIM card switching command is sent to the SIM card handover module;
The SIM card handover module is for when receiving the first SIM card switching command, performing dual-card intelligent terminal from current First SIM card handover operation of the first Communications service pattern switching to the second Communications service pattern;
And it is performed during for receiving the second SIM card switching command by dual-card intelligent terminal from the second current Communications service mould Formula is switched to the second SIM card handover operation of the first Communications service pattern;
Wherein, the dual-card intelligent terminal further includes the storage of the logging modle and linkage record module of connection processing module Device, the processing module are additionally operable to judge dual-card intelligent terminal by the first Communications service pattern switching to the second Communications service pattern Or during by the second Communications service pattern switching to the first Communications service pattern, a SIM card handover event is generated and for this time The SIM card switching origin of an incident of SIM card handover event;The logging modle is additionally operable to SIM card handover event each time and SIM card The switching origin of an incident is recorded, and record information is written the memory.
2. dual-card intelligent terminal according to claim 1, which is characterized in that the dual-card intelligent terminal further includes junction Manage the loudspeaker module of module:
The processing module is additionally operable to meet or exceed in the speech signal intensity that the first SIM card or the second SIM card are provided and set During fixed speech signal intensity threshold, then judge whether the first SIM card or the second SIM card in arrearage state and determine the When one SIM card or the second SIM card are in arrearage state, the loudspeaker module is controlled to play the arrearage suggestion voice of setting.
3. dual-card intelligent terminal according to claim 2, which is characterized in that the dual-card intelligent terminal further includes junction The SIM card handover module control switch of module is managed, starts or close SIM card handover module for being set according to user.
4. dual-card intelligent terminal according to claim 3, which is characterized in that the processing module is additionally operable to pass through SIM card When dual-card intelligent terminal is switched to the second Communications service pattern by handover module, the second SIM card is activated, and pass through the second SIM card Audio call is initiated to target communication terminal, simultaneously closes off the communication service function of the first SIM card;
The processing module is additionally operable to that dual-card intelligent terminal is switched to the first Communications service pattern by SIM card handover module When, the first SIM card is activated, and pass through the first SIM card and initiate audio call to target communication terminal, simultaneously close off the second SIM card Communication service function.
5. a kind of SIM card intelligent switch method based on dual-card intelligent terminal according to any one of claims 1 to 4, It is characterized in that, described method includes following steps:
S1, it works in the first Communications service pattern and receives call instruction input by user under the first Communications service pattern When, audio call is initiated, while judge dual-card intelligent to target communication devices corresponding with the call instruction by communication module Whether the current signal strength that terminal obtains reaches signal strength threshold needed for the call of setting and in this prior signal strength Not up to the signal strength threshold when to SIM card handover module send the first SIM card switching command;
Or it works in the second Communications service pattern and receives call instruction input by user under the second Communications service pattern When, audio call is initiated, while judge dual-card intelligent to target communication devices corresponding with the call instruction by communication module Whether the current signal strength that terminal obtains reaches signal strength threshold needed for the call of setting and in this prior signal strength Not up to the signal strength threshold when to SIM card handover module send the second SIM card switching command;
S2, receive the first SIM card switching command, perform by dual-card intelligent terminal from the first current Communications service pattern switching to First SIM card handover operation of the second Communications service pattern, and to the target under the first Communications service pattern being switched to Communication apparatus re-initiates audio call;
Or the second SIM card switching command is received, it performs dual-card intelligent terminal from the second current Communications service pattern switching To the second SIM card handover operation of the first Communications service pattern, and to the mesh under the second Communications service pattern being switched to Mark communication apparatus re-initiates audio call;
Wherein, following steps are further included after the step S2:
S3, to SIM card handover module perform SIM card handover operation monitor in real time and monitor dual-card intelligent terminal by First Communications service pattern switching is to the second Communications service pattern or by the second Communications service pattern switching to the first communication garment During business pattern, a SIM card handover event and the SIM card switching origin of an incident of the secondary SIM card handover event are generated;
S4, SIM card handover event each time and the SIM card switching origin of an incident are recorded, and will record information write-in memory.
6. SIM card intelligent switch method according to claim 5, which is characterized in that the step S1 is further included:As judged The current signal strength that dual-card intelligent terminal obtains reaches the signal strength threshold of setting, then continues to judge the first SIM card or the Whether two SIM cards are in arrearage state, and when the first SIM card or the second SIM card are in arrearage state, controlling loudspeaker module Play preset arrearage suggestion voice.
7. SIM card intelligent switch method according to claim 6, which is characterized in that in the step S1 and the step Following steps are further included between S2:
S12, judge SIM card handover module whether in opening;If SIM card handover module is in opening, then perform Step S2 if SIM card handover module is closed, then stops the secondary audio call initiated to target communication devices.
8. SIM card intelligent switch method according to claim 7, which is characterized in that the step S2 is further included:
S21, when dual-card intelligent terminal is switched to the second Communications service pattern, activate the second SIM card, and pass through the 2nd SIM Block to target communication terminal and re-initiate audio call, simultaneously close off the communication service function of the first SIM card or by double card When intelligent terminal switches to the first Communications service pattern, the first SIM card is activated, and pass through the first SIM card to target communication terminal Audio call is initiated, simultaneously closes off the communication service function of the second SIM card.
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