CN110336946B - Method and device for calling terminal image input equipment based on USIM - Google Patents
Method and device for calling terminal image input equipment based on USIM Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
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Abstract
The invention provides a method and a device for calling terminal image input equipment based on a USIM.A USIM generates an image input equipment opening instruction and sends the image input equipment opening instruction to the terminal equipment, the terminal equipment acquires equipment information carried in the terminal equipment and judges whether the corresponding image input equipment is in an opening state, if the image input equipment is in a non-opening state, whether the image input equipment is allowed to be opened is further judged, and if the image input equipment is allowed to be opened, the image input equipment is opened; the invention enhances and expands the existing USAT mechanism, controls the image input equipment according to the service requirement, can meet the necessary requirement of a specific service scene, makes up the blank that the USIM and the terminal carry out interaction in the aspects of image acquisition and video input, enhances the service capability of the USAT mechanism, and provides a basic condition for the USIM to fully utilize image and video information to realize more service functions.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a device for calling terminal image input equipment based on a USIM.
Background
A Universal Subscriber Identity Module (USIM) is a continuation and progress of a SIM (Subscriber Identity Module) used in UMTS (Universal Mobile Telecommunications System), and is used to store Subscriber Identity information and personal data, ensure security of access to a Mobile network service, and perform Subscriber Identification and Subscriber authorization when a Subscriber accesses the Mobile network service. In contrast to SIM cards, USIM cards are no longer built on a single telecommunications application platform, but will become one of a variety of applications residing on a Universal Integrated Circuit Card (UICC). The UICC is a universal intelligent card platform, provides uniform bottom layer support for upper layer application, and can reside other intelligent card applications such as bank, ticket and the like besides the USIM, thereby really realizing the separation of the bearing platform and the application.
With the development of intelligent terminal applications, the demand for acquiring external image information is more and more common, such as taking pictures, scanning two-dimensional codes, video connection and the like, and the realization of the functions mainly depends on the functions of terminal image input equipment (such as a camera and the like). The USIM service, as an entity for bearing applications on the terminal side, is also continuously developing and creating more service types, wherein inevitably some applications also need to acquire external image information.
USAT (USIM Application Toolkit ) is one of the basic capabilities of the UICC of which USIM is a representative, and is a product of the development and evolution of the relationship between the terminal and the smart card. In the initial positioning, the UICC is completely passive, the terminal sends a command to the UICC, the UICC returns a response to the terminal after executing the command, the terminal and the UICC interact in a command/response pair manner, and all are manners in which the terminal initiates a command UICC response, this mechanism does not allow the UICC to actively send a command to the terminal, the terminal is always dominant, and the UICC can only be in a controlled state of accepting a command from the terminal, executing the command, and sending back the response, thus limiting the development and use of card-based applications.
In the prior art, among the functions that the USIM can require the terminal to realize, the USIM lacks control over the terminal image input device, so that when the USIM application needs to acquire external image information, the USIM application cannot realize the corresponding function by calling the operation of the image input device, and the support for the requirements is directly influenced.
Disclosure of Invention
The invention provides a method and a device for calling terminal image input equipment based on a USIM (Universal subscriber identity module), aiming at the defects in the prior art, and solving the problem that the prior USIM cannot call the terminal image input equipment.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a method for calling terminal image input equipment based on a USIM, which comprises the following steps:
receiving an image input device starting instruction sent by a universal user identification module;
acquiring equipment information of the image input equipment in the image input equipment starting instruction;
and judging whether the image input equipment corresponding to the equipment information is in an opening state, if not, judging whether the image input equipment is allowed to be opened, and if so, opening the image input equipment.
Further, the image input device starting instruction further comprises prompt attribute information and prompt information; the method further comprises the following steps:
if the image input device is judged not to be allowed to be started, whether prompt information needs to be sent is judged according to prompt attribute information in the instruction, and if the prompt information needs to be sent, the prompt information in the image input device starting instruction is obtained, and the prompt information is displayed.
Further, the image input device starting instruction further comprises a preset time length;
after receiving an image input device start instruction sent by a universal user identification module and before judging whether an image input device corresponding to the device information is in a start state, the method further comprises the following steps: acquiring a preset time length in the image input device starting instruction;
after the image input device is turned on, the method further comprises: and when the starting duration of the image input equipment is equal to the preset duration, closing the image input equipment.
Further, the method further comprises:
if the image input device is in an open state, or if the image input device is not allowed to be opened, or after the image input device is opened, generating a response message, and returning the response message to the universal subscriber identity module, wherein the response message comprises an execution result of the image input device opening instruction, and the execution result comprises an instruction completion or an instruction incompletion.
Further, when it is determined that the image input device is not allowed to be turned on, the execution result is that the instruction is not completed, and the response message further includes retransmission attribute information indicating whether the universal subscriber identity module is allowed to retransmit the image input device turning-on instruction.
The present invention also provides a terminal device, including: the device comprises a receiving module, an obtaining module, a judging module and a processing module;
the receiving module is used for receiving an image input device starting instruction sent by the universal user identification module;
the acquisition module is used for acquiring the equipment information of the image input equipment in the image input equipment starting instruction;
the judging module is used for judging whether the image input equipment corresponding to the equipment information is in an open state or not, and judging whether the image input equipment is allowed to be opened or not when the image input equipment is in an unopened state;
the processing module is used for starting the image input device when the judging module judges that the image input device is allowed to be started.
Further, the image input device starting instruction further comprises prompt attribute information and prompt information; the terminal equipment also comprises a display module;
the judging module is also used for judging whether prompt information needs to be sent or not according to the prompt attribute information in the instruction when the image input equipment is judged not to be allowed to be started;
the acquisition module is further used for acquiring the prompt information in the image input equipment starting instruction when the judgment module judges that the prompt information needs to be sent;
the display module is used for displaying the prompt message.
Further, the image input device starting instruction further comprises a preset time length; the obtaining module is further configured to obtain a preset duration in the image input device start instruction before the judging module judges whether the image input device corresponding to the device information is in a start state;
the processing module is further configured to close the image input device when the opening duration of the image input device is equal to the preset duration.
Further, the terminal device further comprises a message generating module and a sending module;
the message generating module is configured to generate a response message when the determining module determines that the image input device is in an on state, or determines that the image input device is not allowed to be turned on, or after the processing module turns on the image input device; the response message comprises an execution result of the image input device opening instruction, and the execution result comprises an instruction completed or an instruction incomplete;
the sending module is used for returning the response message to the universal user identification module.
Further, when it is determined that the image input device is not allowed to be turned on, the execution result is that the instruction is not completed, and the response message further includes retransmission attribute information indicating whether the universal subscriber identity module is allowed to retransmit the image input device turning-on instruction.
The USIM generates an image input equipment opening instruction, and sends the image input equipment opening instruction to the terminal equipment, the terminal equipment acquires equipment information carried in the image input equipment and judges whether the corresponding image input equipment is in an opening state, if the image input equipment is in a non-opening state, whether the image input equipment is allowed to be opened is further judged, and if the image input equipment is allowed to be opened, the image input equipment is opened; the invention enhances and expands the existing USAT mechanism, controls the image input equipment according to the service requirement, can meet the necessary requirement of a specific service scene, makes up the blank that the USIM and the terminal carry out interaction in the aspects of image acquisition and video input, enhances the service capability of the USAT mechanism, and provides a basic condition for the USIM to fully utilize image and video information to realize more service functions.
Drawings
Fig. 1 is a flowchart of a method for invoking a terminal image input device based on a USIM according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a process of determining whether a prompt message needs to be sent according to an embodiment of the present invention;
FIG. 3 is a flowchart of turning off an image input device according to an embodiment of the present invention;
fig. 4 is a second flowchart of a method for invoking a terminal image input device based on a USIM according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;
fig. 6 is a second schematic structural diagram of a terminal device according to an embodiment of the present invention;
fig. 7 is a third schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
One embodiment of the present invention provides a method for invoking a terminal image input device based on a USIM, as shown in fig. 1, the method for invoking a terminal image input device based on a USIM comprising the steps of:
and step 11, receiving an image input device opening instruction sent by the USIM.
The image input device opening instruction is generated by the USIM according to the image input device requirement required by the USIM application and sent to the terminal device, that is, a certain USIM application needs to call an image input device (such as a camera) on the terminal device to acquire an image or a video, and correspondingly, the USIM generates the image input device opening instruction according to the device information of the image input device.
The image input device opening command is an active command. The USAT protocol layer is introduced into the protocol stack of the Cu interface (interface between the terminal and the UICC), and provides a service mechanism based on the service provided by the transport layer, allowing UICC applications to interact and operate with the terminal that supports this mechanism, so that the UICC can actively request the terminal to perform certain operations, which are called proactive commands.
Preferably, the data structure of the image input device turn-on command is as shown in table 1:
TABLE 1
Referring to table 1, the data object of the image input device open instruction at least includes a "target device" field, and the target device indicates an invocation object to be invoked by the USIM this time (i.e., an image input device to be invoked, such as a camera).
The composition of the "target device" data object is shown in table 2:
TABLE 2
| Number of bytes | Description of the invention | Length of |
| 1 | Target device tagging | 1 |
| 2 | Length (1) | 1 |
| 3 | Target device identification | 1 |
Referring to table 2, the "target device" data object includes: the device comprises a target device mark, a length and a target device identification, wherein the target device mark is used for indicating that the device is an image input device to be started. The target equipment identification is indicated by different codes, and at the present stage, the camera equipment of the terminal is mainly supported, but the expansibility of subsequent equipment or other equipment is also supported. The target device identification is defined as follows:
- '01' ═ rear camera;
- '02' ═ front camera;
the rest is reserved.
And step 12, acquiring the equipment information of the image input equipment in the image input equipment starting instruction.
Specifically, the terminal device analyzes the image input device opening instruction to obtain device information of the image input device, where the device information is a target device mark, a length, and a target device identifier.
And step 13, judging whether the image input equipment corresponding to the equipment information is in an opening state, and if not, executing step 14.
Specifically, the terminal device determines whether the image input device is in an open state by checking the current operation state of the image input device, and if the image input device is not in the open state, further determines whether the image input device is allowed to be opened (i.e., step 14 is executed).
And step 14, judging whether the image input equipment is allowed to be started or not, and if so, executing step 15.
Generally, when using a terminal device, a user sets permissions for certain functions, modules, and applications of the terminal device, for example, in what case, a camera is allowed/not allowed to be called, in what case, which applications are allowed to access an address book, and the like. In this step, when the terminal device determines that the image input device to be called is currently in the unopened state, it may be determined whether the image input device is allowed to be opened by checking user settings, and if it is determined that the image input device is allowed to be opened according to the user settings, the image input device opening instruction may be executed, and the image input device is correspondingly opened (i.e., step 15 is executed).
And step 15, starting the image input device.
Through the steps 11-15, the USIM generates an image input device opening instruction, and sends the image input device opening instruction to the terminal device, the terminal device acquires the device information carried in the image input device and judges whether the corresponding image input device is in an opening state, if the image input device is in a non-opening state, whether the image input device is allowed to be opened is further judged, and if the image input device is allowed to be opened, the image input device is opened; the invention enhances and expands the existing USAT mechanism, controls the image input equipment according to the service requirement, can meet the necessary requirement of a specific service scene, makes up the blank that the USIM and the terminal carry out interaction in the aspects of image acquisition and video input, enhances the service capability of the USAT mechanism, and provides a basic condition for the USIM to fully utilize image and video information to realize more service functions.
Further, the image input device turn-on instruction may further include prompt attribute information and prompt information. Referring to table 1, the prompt attribute information may be represented by a "command qualifier" data object, where a command qualifier of 0 indicates that the user is not prompted when the execution of the image input apparatus turn-on instruction is unsuccessful; the command qualifier 1 indicates that the user is prompted when the execution of the image input apparatus turn-on instruction is unsuccessful. The prompt information can be represented by a "text string" data object, and when the command qualifier is 1, the prompt information for prompting the user is the content of the "text string".
Accordingly, as shown in fig. 2, in step 14, if it is determined that the image input device is not allowed to be turned on, the method for invoking the terminal image input device based on the USIM further includes the following steps:
step 21, judging whether the prompt information needs to be sent according to the prompt attribute information in the instruction, and if the prompt information needs to be sent, executing step 22.
Specifically, when the terminal device determines that the image input device is not allowed to be turned on, that is, it indicates that the image input device turn-on instruction is not successfully executed, therefore, the terminal device determines whether prompt information needs to be sent by reading a value of a "command qualifier" in the image input device turn-on instruction, and if the value of the "command qualifier" is 1, it indicates that prompt information needs to be sent to the user to inform that the image input device is not successfully called.
And step 22, acquiring prompt information in the image input device starting instruction.
Specifically, the terminal device may obtain the "text string" data object therein by analyzing the image input device start instruction, so as to obtain the preset prompt information.
And step 23, displaying prompt information.
It can be seen from steps 21-23 that if the terminal device determines that the image input device is not allowed to be turned on, it indicates that the image input device is not turned on successfully, and therefore it is further determined whether a prompt message needs to be sent to the user, and if so, the prompt message is further obtained from the turn-on instruction of the image input device, and is displayed to the user, so that the user can clearly know the result of the failure of this time of calling the terminal image input device.
Further, in order to ensure user privacy and improve security, the USIM calls the terminal image input device with time requirements, that is, the image input device opening instruction further includes a preset duration, and the duration is a duration allowing the image input device to be opened. Referring to table 1, the preset time duration may be represented by a "duration" data object, where the duration is the longest time allowed to be maintained when the image input device is turned on this time, and the image input device is turned off after the longest time is reached.
Accordingly, as shown in fig. 3, after receiving the image input device open instruction sent by the universal subscriber identity module (i.e., step 11), and before determining whether the image input device corresponding to the device information is in an open state (i.e., step 13), the method for calling the terminal image input device based on the USIM further includes the following steps: and acquiring preset time length in the opening instruction of the image input equipment. Note that this step may be executed simultaneously with step 12 or may be executed independently of step 12 (the execution order of step 12 is not limited).
After the image input device is turned on (i.e., step 15), the method for calling the terminal image input device based on the USIM further includes the steps of:
step 31, judging whether the starting time length of the image input device is equal to a preset time length, if so, executing step 32; otherwise, the opening duration of the image input equipment is continuously monitored.
Step 32, turn off the image input device.
Further, as shown in fig. 4, if the image input device is in an open state (i.e., determined in step 13), or if the image input device is not allowed to be opened (i.e., determined in step 14), or after the image input device is opened (i.e., step 15), the method for calling the terminal image input device based on the USIM further includes the following steps:
and step 16, generating a response message and returning the response message to the USIM.
Preferably, the response message includes an execution result of the image input device opening instruction, where the execution result includes an instruction completed or an instruction incomplete, the instruction completed refers to that the corresponding image input device is successfully opened or that the image input device is originally in an opened state, and the instruction incomplete refers to that the corresponding image input device is not successfully opened (i.e., the image input device is still in an unopened state).
Preferably, the data structure of the response message is shown in table 3:
TABLE 3
Referring to table 2, in the "execution result" data object, "0 x" and "1 x" indicate that the image input device on instruction is completed, and "2 x" and "3 x" indicate that the image input device on instruction is not completed.
Further, when it is determined that the image input device is not allowed to be turned on, the execution result is that the instruction is not completed, that is, the image input device is still in an unopened state, and therefore, the response message further includes retransmission attribute information indicating whether the SIM is allowed to retransmit the image input device turn-on instruction.
The retransmission attribute includes a permission of the USIM to retransmit the image input device open instruction and a non-permission of the USIM to retransmit the image input device open instruction. As shown in table 2, the execution result of 2x indicates that the USIM is allowed to retransmit the image input apparatus open instruction, wherein the execution result of 20 indicates that the terminal apparatus cannot process the image input apparatus open instruction. The execution result of 3x indicates that the USIM is not allowed to resend the image input device open instruction, where the execution result of 30 indicates that the image input device open instruction exceeds the processing capability of the terminal device, and the execution result of 32 indicates that data that cannot be understood by the terminal device exists in the image input device open instruction, for example: command identifiers, and the like.
The invention provides a method for starting terminal image input equipment according to USIM service requirements by expanding USAT commands and capabilities based on a USAT mechanism or framework aiming at the problem that the current USIM can not control and manage the terminal image input equipment and the requirement of acquiring external image information by a terminal application can not be realized. The method expands the service function range of machine-card interaction, is beneficial to more fully utilizing the terminal capability of the USIM service, effectively solves the feasibility problem of the corresponding function, and provides the premise and the possibility for realizing more service capabilities. The scheme provides the function requirement and the structural parameter definition of an expanded USAT active command, defines a necessary new data object, and plans the interactive flow and steps between the machine card based on the new command.
Based on the same technical concept, an embodiment of the present invention further provides a terminal device, as shown in fig. 5, where the terminal device may include: a receiving module 51, an obtaining module 52, a judging module 53 and a processing module 54.
The receiving module 51 is configured to receive an image input device start instruction sent by the universal subscriber identity module.
The obtaining module 52 is configured to obtain device information of the image input device in the image input device start instruction.
The judging module 53 is configured to judge whether the image input device corresponding to the device information is in an open state, and when the image input device is in an unopened state, judge whether the image input device is allowed to be opened.
The processing module 54 is configured to turn on the image input device when the judging module 53 judges that the turning on of the image input device is allowed.
Further, the image input device starting instruction further comprises prompt attribute information and prompt information; as shown in fig. 6, the terminal device further includes a display module 55.
The judging module 53 is further configured to, when it is judged that the image input device is not allowed to be turned on, judge whether prompt information needs to be sent according to prompt attribute information in the instruction.
The obtaining module 52 is further configured to obtain the prompt information in the image input device start instruction when the determining module 53 determines that the prompt information needs to be sent.
The display module 55 is configured to display the prompt message.
Further, the image input device starting instruction further comprises a preset time length; the obtaining module 52 is further configured to obtain a preset time length in the image input device start instruction before the determining module 53 determines whether the image input device corresponding to the device information is in the start state.
The processing module 54 is further configured to turn off the image input device when the turn-on duration of the image input device is equal to the preset duration.
Further, as shown in fig. 7, the terminal device further includes a message generating module 56 and a sending module 57.
The message generating module 56 is configured to generate a response message when the determining module 53 determines that the image input device is in an on state, or determines that the image input device is not allowed to be turned on, or after the processing module 54 turns on the image input device; the response message comprises an execution result of the image input device opening instruction, and the execution result comprises an instruction completed or an instruction incomplete.
The sending module 57 is configured to return the response message to the universal subscriber identity module.
Further, when it is determined that the image input device is not allowed to be turned on, the execution result is that the instruction is not completed, and the response message further includes retransmission attribute information indicating whether the universal subscriber identity module is allowed to retransmit the image input device turning-on instruction.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (8)
1. A method for calling a terminal image input device based on a USIM (Universal subscriber identity Module), which is characterized by comprising the following steps:
receiving an image input device starting instruction sent by a universal user identification module;
acquiring equipment information of the image input equipment in the image input equipment starting instruction;
judging whether the image input equipment corresponding to the equipment information is in an opening state, if not, judging whether the image input equipment is allowed to be opened, and if so, opening the image input equipment;
the image input device starting instruction further comprises preset duration;
after receiving an image input device start instruction sent by a universal user identification module and before judging whether an image input device corresponding to the device information is in a start state, the method further comprises the following steps: acquiring a preset time length in the image input device starting instruction;
after the image input device is turned on, the method further comprises: and when the starting duration of the image input equipment is equal to the preset duration, closing the image input equipment.
2. The method of claim 1, wherein the image input device turn-on instruction further comprises prompt attribute information and prompt information; the method further comprises the following steps:
if the image input device is judged not to be allowed to be started, whether prompt information needs to be sent is judged according to prompt attribute information in the instruction, and if the prompt information needs to be sent, the prompt information in the image input device starting instruction is obtained, and the prompt information is displayed.
3. The method of claim 1 or 2, wherein the method further comprises:
if the image input device is in an open state, or if the image input device is not allowed to be opened, or after the image input device is opened, generating a response message, and returning the response message to the universal subscriber identity module, wherein the response message comprises an execution result of the image input device opening instruction, and the execution result comprises an instruction completion or an instruction incompletion.
4. The method according to claim 3, wherein when it is determined that the image input device is not allowed to be turned on, the execution result is that the instruction is not completed, and the response message further includes retransmission attribute information indicating whether the universal subscriber identity module is allowed to retransmit the image input device turn-on instruction.
5. A terminal device, comprising: the device comprises a receiving module, an obtaining module, a judging module and a processing module;
the receiving module is used for receiving an image input device starting instruction sent by the universal user identification module;
the acquisition module is used for acquiring the equipment information of the image input equipment in the image input equipment starting instruction;
the judging module is used for judging whether the image input equipment corresponding to the equipment information is in an open state or not, and judging whether the image input equipment is allowed to be opened or not when the image input equipment is in an unopened state;
the processing module is used for starting the image input equipment when the judging module judges that the image input equipment is allowed to be started;
the image input device starting instruction further comprises preset duration; the obtaining module is further configured to obtain a preset duration in the image input device start instruction before the judging module judges whether the image input device corresponding to the device information is in a start state;
the processing module is further configured to close the image input device when the opening duration of the image input device is equal to the preset duration.
6. The terminal device according to claim 5, wherein the image input device turn-on instruction further includes prompt attribute information and prompt information; the terminal equipment also comprises a display module;
the judging module is also used for judging whether prompt information needs to be sent or not according to the prompt attribute information in the instruction when the image input equipment is judged not to be allowed to be started;
the acquisition module is further used for acquiring the prompt information in the image input equipment starting instruction when the judgment module judges that the prompt information needs to be sent;
the display module is used for displaying the prompt message.
7. The terminal device according to claim 5 or 6, further comprising a message generation module and a transmission module;
the message generating module is configured to generate a response message when the determining module determines that the image input device is in an on state, or determines that the image input device is not allowed to be turned on, or after the processing module turns on the image input device; the response message comprises an execution result of the image input device opening instruction, and the execution result comprises an instruction completed or an instruction incomplete;
the sending module is used for returning the response message to the universal user identification module.
8. The terminal device according to claim 7, wherein when it is judged that the image input device is not allowed to be turned on, the execution result is that the instruction is not completed, and the response message further includes retransmission attribute information indicating whether or not the universal subscriber identity module is allowed to retransmit the image input device turn-on instruction.
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| CN101981818A (en) * | 2008-08-08 | 2011-02-23 | Sk电信有限公司 | Interface system between a terminal and a smart card, method for same, and smart card applied to same |
| CN102348017A (en) * | 2011-09-07 | 2012-02-08 | 中国联合网络通信集团有限公司 | Calling method of terminal application, terminal device and UICC (Universal Integrated Circuit Card) |
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