TWI650035B - Mobile device and method for providing mobile communication service - Google Patents

Abstract

The invention provides a mobile device and a method for providing a mobile communication service. A mobile device is configured to share a phone number of another mobile device in a mobile communication system. The mobile device includes a communicator and a controller. The communicator is configured to download subscriber identification module (SIM) information from the server, and the downloaded SIM information is shared with another mobile device. If it is determined that the mobile device is a device that performs a call function in response to a call request, the controller is configured to activate the call function of the mobile device based on the downloaded SIM information.

Description

Mobile device and method for providing mobile communication service

The invention relates to a mobile communication system and different mobile devices sharing the same telephone number in the mobile communication system.

Digital-based information and communication technologies are developing rapidly. Information innovations spread by mobile phones and the Internet, as well as smart phones and tablets, are becoming more common, with a combination of mobile phone and Internet functions. Devices that use new paradigms have now appeared, such as wearables. Consumers who already own a smartphone want to use these new paradigms. Therefore, research has been conducted on the manner in which new types of devices or new paradigm devices integrate with existing smart phones and tablet devices and penetrate consumers' daily lives.

Aspects of one or more exemplary embodiments include a mobile communication system and different mobile devices sharing the same phone number in the mobile communication system.

Other aspects will be explained in part in the following description, and part will be obvious from the description, or can be learned by practicing the exemplary embodiments presented.

The present invention provides a mobile device configured to share a phone number of another mobile device in a mobile communication system. The mobile device includes a controller and a communicator. The controller is configured to, after determining to deactivate the telephone function of the other mobile device, activate the telephone function of the mobile device to which the phone number of the other mobile device is assigned. The communicator is configured to perform a mobile communication function using a telephone number when the telephone function of the mobile device is activated.

In one embodiment of the present invention, the mobile device may further include a subscriber identification module (SIM), which is configured to receive SIM information from the server and store the SIM information. The SIM information may include subscription information of a mobile device, and the mobile device corresponds to a phone number on another mobile device and a mobile communication system of the mobile device.

In one embodiment of the present invention, the communicator may be further configured to receive SIM information from the server when the phone function of the mobile device is activated.

In one embodiment of the present invention, the communicator may be further configured to transmit a request for SIM information to a server in response to activating a phone function of the mobile device, and receive SIM information in response to a request for SIM information.

In one embodiment of the present invention, the communicator may be further configured to transmit a request for using the SIM information to the server when receiving the SIM information, and execute the mobile communication function in response to receiving approval from the server.

In one embodiment of the present invention, the mobile device may further include a storage device on which device identification (ID) information is stored, and the ID information has a value different from the device ID information of another mobile device. The device ID information of another mobile device may include at least one of a serial number of another mobile device and an international mobile equipment identity (IMEI), and the device ID information of the mobile device may include the serial number and IMEI of the mobile device At least one of.

In one embodiment of the present invention, the communicator may be further configured to connect to another mobile device using short-range wireless communication, and exchange with the other mobile device the activation status of the phone function of the other mobile device and the mobile device ’s Information on the activation status of the phone feature. The controller may be further configured to activate the phone function of the mobile device based on the exchanged information.

In one embodiment of the present invention, the controller may be further configured to automatically activate the phone function of the mobile device in response to the decision to deactivate the phone function of another mobile device.

In one embodiment of the present invention, the mobile device may further include a user interface (UI) configured to provide a quick-display UI for setting a startup state of a phone function of the mobile device.

In one embodiment of the present invention, the controller may be further configured to activate the phone function of the mobile device in response to inputting the quick-use UI input to set the activation state of the phone function of the mobile device as the active user input. .

In one embodiment of the present invention, the mobile device may further include a subscriber identity module (SIM) configured to receive SIM information from the server regardless of the activation status of the mobile device's phone function, and pre-store the Received SIM information.

In one embodiment of the present invention, the communicator may be further configured to respond to the activation of the phone function of the mobile device, transmit a request using pre-stored SIM information, and execute the mobile communication function in response to receiving approval from the server .

In one embodiment of the present invention, the communicator may be further configured to receive subscriber identity module (SIM) information from another mobile device in response to activating a phone function of the mobile device.

In an embodiment of the present invention, the communicator may be further configured to respond to receiving SIM information from another mobile device, transmit a request for using the received SIM information to the server, and respond to receiving from the server To approve the mobile communication function.

In an embodiment of the present invention, the communicator may be further configured to transmit the stored SIM information to another mobile device in response to activating a phone function of another mobile device when the SIM information is stored in the SIM. The controller may be further configured to control the SIM to delete the SIM information after transmitting the SIM information.

The present invention provides a mobile communication system including a first mobile device, a second mobile device, and a server. The first mobile device is configured to perform mobile communication functions using first subscriber identification module (SIM) information including subscription information of a phone number registered with the mobile communication system. The second mobile device is configured to perform mobile communication functions using second SIM information including subscription information of a phone number. The server is configured to receive a request to use the first SIM information and a request to use the second SIM, and in response to the request to call the phone number, connect the phone call to the request corresponding to the requested first SIM information or the requested second SIM SIM information for mobile devices.

In an embodiment of the present invention, the first mobile device may be configured to respond to a request for activating the phone function of the first mobile device to transmit a request of the first SIM information to the transmission server, and to use the first SIM information when receiving the first SIM information. The request for the first SIM information is transmitted to the server. The second mobile device may be configured to transmit a request for transmitting the second SIM information by the transmission server in response to activating the telephone function of the second mobile device, and transmit the request using the second SIM information to the server when receiving the second SIM information. Device.

In one embodiment of the present invention, the first mobile device may be further configured to receive the first SIM information from the server regardless of the activation state of the phone function of the first mobile device, and respond to the activation in the first mobile device. The phone function transmits a request for using the first SIM information to the server.

In an embodiment of the present invention, the second mobile device may be further configured to receive the second SIM information from the server regardless of the activation state of the phone function of the second mobile device, and respond to the activation in the second mobile device. The phone function transmits a request for using the second SIM information to the server.

In an embodiment of the present invention, at least one of the first mobile devices may be further configured to receive the first SIM information from the server regardless of activation of the phone function of the first mobile device, and the second mobile device may It is further configured to receive the second SIM information from the server regardless of the activation of the telephone function of the second mobile device.

In one embodiment of the present invention, the first mobile device and the second mobile device may be further configured to exchange pre-stored first SIM information or pre-stored second SIM information between the first mobile device and the second mobile device. SIM information.

The invention provides a method for providing a mobile communication service by a mobile device sharing a phone number of another mobile device. The method includes a plurality of steps. Determine whether to deactivate the phone function of another mobile device. The phone function of the mobile device is activated based on the result of the determination. In response to activating the telephone function of the second mobile device, the mobile communication function is performed using the telephone number.

Specific exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, one or more exemplary embodiments may be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein. Instead, the exemplary embodiments described herein are provided so that the present invention will be thorough and complete, and the concepts of one or more exemplary embodiments will be fully conveyed to those of ordinary skill in the art. In the following description, well-known functions or constructions may not be described in detail because they would obscure the description of one or more exemplary embodiments with unnecessary details, and similar reference numbers in the drawings indicate similar or Similar components.

In this specification, when a zone is "connected" to another zone, the zone may be "directly connected" but also "electrically connected" via another device in between. Also, when a region "contains" an element, the region may further include other elements.

As used herein, the term "and / or" includes any or all combinations of one or more of the associated listed items. When preceded by a component list, an expression such as "at least one of" modifies the entire list of components and does not modify individual components of the list.

In this specification, the execution of a telephone call includes both receiving a call and making a call.

Hereinafter, one or more exemplary embodiments will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic diagram for describing a mobile communication system 1 according to an exemplary embodiment, in which different mobile devices use the same phone number to make a call.

Referring to FIG. 1, the mobile communication system 1 includes a server 10 of a mobile carrier, a first mobile device 20 of a user A, a second mobile device 30 of the user A, and a mobile device 40 of the user B. In the mobile communication system 1, the first mobile device 20, the second mobile device 30, and the mobile device 40 may each be a device having a mobile communication function, such as a smart phone, a tablet device, or a personal digital assistant (PDA). For example, the first and second mobile devices 20 and 30 may be two types of devices. Hereinafter, for example, it is assumed that the first mobile device 20 is a smart phone and the second mobile device 30 is a card phone, but one or more exemplary embodiments are not limited thereto. The card phone will be described in detail with reference to the drawings.

User A may have a first mobile device 20 that is a smart phone and a second mobile device 30 that is a card phone. In the mobile communication system 1, the phone number of the first mobile device 20 and the phone number of the second mobile device 30 are the same, that is, "+ 82-10-AAAA-BBBB". In other words, the first mobile device 20 and the second mobile device 30 can share a specific phone number.

Therefore, when the user B dials "+ 82-10-AAAA-BBBB" using the mobile device 40, the user A can use the first mobile device 20 or the second mobile device 30 to talk to the user B.

A mobile carrier refers to any entity capable of providing mobile communication services, such as SK Telecom and KT in South Korea, and Verizon Wireless, AT & T, Sprint Nextel, and T-Mobile USA in the United States of America. The server 10 of the mobile carrier may represent a server operated by the mobile carrier to provide mobile communication services to consumers.

The server 10 of the mobile carrier may determine that the phone number "+ 82-10-XXXX-XXXX" is currently assigned to the mobile device 40 of the user B. In addition, the server 10 of the mobile carrier may determine that one phone number "+ 82-10-AAAA-BBBB" is currently assigned to both the first mobile device 20 and the second mobile device 30 of the user A.

When the mobile device 40 assigned the telephone number "+ 82-10-XXXX-XXXX" calls the telephone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier can relay the telephone call to the assigned telephone The first mobile device 20 or the second mobile device 30 with the number "+ 82-10-AAAA-BBBB".

In other words, the first and second mobile devices 20 and 30 can perform mobile communication functions by subscribing to the mobile communication system 1 without having to assign different phone numbers through the server 10 of the mobile carrier. Meanwhile, in FIG. 1, the number of mobile devices owned by the user A is two, that is, the first and second mobile devices 20 and 30, but this case is only an example, and the user A may have the same phone Number of two or more mobile devices.

FIG. 2 is a schematic diagram of a second mobile device 30 of a user A according to an exemplary embodiment.

Referring to FIG. 2, the second mobile device 30 may be a card phone having a shape different from that of a smart phone. A card phone may refer to a mobile device having a smart phone-like mobile communication function and an ultra-thin or ultra-thin shape similar to a credit card or a transportation card. In other words, similar to a smart phone, a card phone can be assigned a phone number and perform a phone call with another phone via the mobile communication system 1. For example, because the ultra-small module is only installed on a card phone so that the card phone is ultra-thin, among various functions of the smart phone, the card phone can perform only simple functions such as a phone function or Input / output functions, but one or more exemplary embodiments are not limited thereto.

The second mobile device 30 implemented as a card phone may include, for example, a display 311 (such as a display unit) and an input interface 313 (such as an input unit) on the front surface.

The display 311 can display information input through the input interface 313. For example, the display 311 may display a digital input via a keypad of the input interface 313, a list of contacts stored in the second mobile device 30, or caller information of a received phone call. The display device 311 may perform a function of displaying various types of information processed by the second mobile device 30.

The input interface 313 may be a keypad with physical buttons. The input interface 313 may be a keypad including (as a non-limiting example) a number button, a call connection button, a call termination button, and the like.

FIG. 3 is a schematic diagram of a second mobile device 30 of a user A according to another exemplary embodiment.

Referring to FIG. 3, the second mobile device 30 of FIG. 3 may include a touch screen 315 on the front surface. The second mobile device 30 in FIG. 3 is implemented as a card phone including a touch screen 315, in which the functions of the display 311 and the input interface 313 are integrated.

Therefore, the second mobile device 30 of FIG. 3 implemented as a card phone can receive numbers or characters via the on-screen keypad displayed on the touch screen 315, and can be displayed by the second mobile device via the touch screen 315 30 Processes various types of information, such as a contact list or caller information for a received telephone call.

The card phone is not limited to the above description, and may be implemented as various elements and features.

FIG. 4 is a block diagram of a second mobile device 30 according to an exemplary embodiment.

Referring to FIG. 4, the second mobile device 30 includes a user interface (UI) 310 (such as a UI unit), a controller 320, a communicator 330 (such as a communication unit), and a memory 340 (such as a memory or a memory unit). ) And subscriber identity module (SIM) 350. The second mobile device 30 according to one or more exemplary embodiments may include additional hardware components, or some hardware components shown in FIG. 4 may be omitted. Meanwhile, the second mobile device 30 may be a card phone described above, but is not limited thereto.

The UI 30 may be hardware used by the user A to input data to control the second mobile device 30. For example, UI 310 can be a keypad, a dome switch, a touch screen (contact capacitance type, piezoresistive film type, infrared detection type, surface ultrasonic transmission type, overall tensile measurement type or piezoelectric effect) Type), operate the wheel or jog switch, but it is not limited to this.

The UI 310 may include the display 311, the input interface 313, and the touch screen 315 described above with reference to FIGS. 2 and 3. In addition, the UI 310 may include an interface (for example, an interface for notifying the user A about information processed by the second mobile device 30 such as a speaker or a buzzer that outputs an audio signal or a voice signal or a vibration motor that outputs a vibration signal)接 Unit). For example, the UI 310 may provide a UI screen for setting various functions, such as a quick UI for activating or deactivating the phone function of the second mobile device 30, and a quick method for activating or deactivating the dual phone mode. Display UI, and quick display UI for activating or deactivating the short-range wireless communication function) to receive input from user A.

The controller 320 may control the overall operation of the second mobile device 30. The controller 320 can execute programs stored in the memory 340 to control functions and operations of the UI 310, the communicator 330, the memory 340, and the SIM 350. The controller 320 may activate the phone function of the second mobile device 30 after determining whether to cancel the phone function of the first mobile device 20 and control the communicator 330 to transmit the SIM information transmission request or the SIM information use request to the mobile carrier. Server 10.

The communicator 330 may include at least one hardware component of the server 10 that enables the second mobile device 30 to be connected wirelessly or via a wire to another mobile device such as the mobile device 40 of FIG. 1 or a mobile carrier. For example, the communicator 330 may include a short-range wireless communication module and a mobile communication module.

The short-range wireless communication module of the communicator 330 may include a Bluetooth communication module, a Bluetooth low energy (BLE) communication module, a near field communication (NFC) module, and a Wi-Fi communication module. Group, Wi-Fi direct (WFD) communication module, Zigbee communication module, infrared data association (IrDA) communication module or ultra wideband (UWB) communication module, But it is not limited to this.

The mobile communication module of the communicator 330 is a base provided by the mobile carrier according to any of various communication methods (such as 2G mobile communication, 3G mobile communication, and 4G mobile communication) on the mobile communication system 1 of FIG. 1. A module that performs mobile communication with another mobile device, and may be a module for receiving and receiving any type of data based on the transmission and reception of voice calls, video calls, or text / multimedia messages. For example, the communicator 330 may receive SIM information from the server 10 of the mobile carrier of FIG. 1.

When the phone function of the second mobile device 30 is activated, the communicator 330 may communicate various types of information with the server 10 of the mobile carrier or other mobile devices such as the first mobile device 20 and the mobile device 40, so that the second mobile The device 30 performs a mobile communication function. For example, the communicator 330 may transmit the SIM information transmission request or the SIM information use request to the server 10 of the mobile carrier. In addition, the communicator 330 may exchange SIM information with the first mobile device 20 and receive various types of information about the first mobile device 20 from the first mobile device 20, such as an activation state of a phone function of the first mobile device 20.

The memory 340 may store a program for the controller 320 and a control program, and may store data input to or output data from the second mobile device 30. For example, the memory 340 may store device identification (ID) information, contact information, text message information, credit card information, or transportation card information of the second mobile device 30. The device ID information may include the serial number and IMEI of the second mobile device 30 (which is inherent to the second mobile device 30), and may also include various types of information, such as the model and manufacturer information of the second mobile device 30.

The memory 340 may include at least one type of storage medium: a flash memory, a hard disk memory, a multimedia card micro memory, a card memory (for example, secure digital; SD ) Memory or extreme digital (XD) memory), random access memory (RAM), static random access memory (SRAM), read-only memory (read -only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), magnetic memory , Disks, and discs.

SIM 350 is a module that stores SIM information, which contains information related to mobile communication services provided by mobile carriers, such as integrated circuit card identifier (ICCID), international mobile subscriber identity (international mobile subscriber identity (IMSI), authentication key, and location area identity. The SIM 350 may be a downloadable SIM-type module storing SIM information received from the server 10 of the mobile carrier. For example, the SIM 350 may receive and store, from the server 10, SIM information including subscription information of a specific phone number registered with the mobile communication system 1. One or more exemplary embodiments are not limited thereto, and instead, the SIM 350 may be a SIM card or a universal SIM (USIM) card that is read and stored when the SIM card or the USIM card is inserted into the SIM 350. A module of stored information.

FIG. 5 is a schematic diagram for describing device ID information and SIM information stored in each of the first mobile device 20 and the second mobile device 30 according to an exemplary embodiment.

Referring to FIG. 5, the memory 510 of the first mobile device 20 may store device ID information about the first mobile device 20. The device ID information may include a serial number of the first mobile device 20 and an international mobile equipment identity (IMEI), which are inherent to the first mobile device 20. Also, the device ID information may include various types of information, such as the model and manufacturer information of the first mobile device 20. Here, the serial number and IMEI of the first mobile device 20 are inherent to the first mobile device, as described above, and usually have a combination of different numbers according to the mobile device.

The SIM 520 of the first mobile device 20 is a downloadable SIM, and may include phone number information and an ICCID. Here, the ICCID stored in the SIM 520 of the first mobile device 20 may correspond to information mapped to a specific phone number assigned by the mobile carrier. Therefore, the server 10 of FIG. 1 on the mobile carrier can use the ICCID stored in the SIM 520 to identify the user A of the first mobile device 20 and the phone numbers of the first mobile device 20.

The SIM 350 of the second mobile device 30 is a downloadable SIM, and may include phone number information and ICCID. Here, the ICCID stored in the SIM 350 of the second mobile device 30 may correspond to information mapped to a specific phone number assigned by the mobile carrier. Therefore, the server 10 of FIG. 1 on the mobile carrier can use the ICCID stored in the SIM 350 to identify the user A of the second mobile device 30 and the phone numbers of the second mobile device 30.

As described above with reference to FIG. 1, in the mobile communication system 1, a phone number “+ 10-82-AAAA-BBBB” may be assigned to the first and second mobile devices 20 and 30. Also, the ICCID of the SIM 350 or 520 is mapped to a specific phone number. Therefore, the server 10 of the mobile carrier can uniformly manage the ICCID of the SIM 350 and the ICCID of the SIM 520. Alternatively, the server 10 of the mobile carrier may manage the ICCID of the SIM 350 and the ICCID of the SIM 520 differently from each other.

Hereinafter, for convenience of description, the device ID information and SIM information of the first mobile device 20 will be referred to as the first device ID information and the first SIM information, respectively, and the device ID information and SIM information of the second mobile device 30 It will be referred to as the second device ID information and the second SIM information, respectively.

FIG. 6 is a sequence diagram of a method of calling the mobile device 40 of the user B from the first mobile device 20 and the second mobile device 30 on the mobile communication system 1 according to an exemplary embodiment, the first mobile device and The second mobile device has the same phone number and is owned by the user A.

Referring to FIG. 6, the phone number “+ 10-82-AAAA-BBBB” may be assigned to the first and second mobile devices 20 and 30 by the server 10 of the mobile carrier.

In operation 610, the server 10 of the mobile carrier registers the first mobile device 20 as a master mobile device.

In operation 620, the server 10 of the mobile device registers the second mobile device 30 as a child mobile device.

In operation 630, the user B uses the mobile device 40 to request the phone to call the phone number "+ 10-82-AAAA-BBBB".

In operation 640, the server 10 of the mobile carrier identifies the list of the first and second mobile devices 20 and 30 owned by the user A.

In operation 650, if the user A activates the phone function of the first mobile device 20 as the main mobile device, the server 10 of the mobile carrier may transmit a request for a phone call from the mobile device 40 to the first mobile device 20. However, if the user A activates the phone function of the second mobile device 30 as a child mobile device, the server 10 of the mobile carrier may transmit a request for a phone call from the mobile device 40 to the second mobile device 30.

In other words, when the same phone number "+ 10-82-AAAA-BBBB" is assigned to the first and second mobile devices 20 and 30, the user A can use any of the first and second mobile devices 20 and 30 Talk to user B.

FIG. 7 is a schematic diagram for describing a server 10 for managing a mobile carrier of a mobile device owned by a user A according to an exemplary embodiment.

Referring to FIG. 7, the server 10 of the mobile carrier can identify the first and second mobile devices 20 and 30 owned by the user A. The server 10 of the mobile carrier may use the first and second device ID information and the first and second SIM information stored in the first and second mobile devices 20 and 30 to identify the first and second mobile devices 20 and 30. As described above, the first mobile device 20 may be a smart phone, and the second mobile device 30 may be a card phone. Therefore, the user A can register the first mobile device 20 having a larger functionality than the second mobile device 30 as the master mobile device. In addition, the user A can register the second mobile device 30 as a child mobile device. The server 10 of the mobile carrier may use the first and second device ID information of the first and second mobile devices 20 and 30 to identify and manage the main mobile device and the sub mobile device.

FIG. 8A is a schematic diagram for describing connecting (eg, connecting or combining) the first mobile device 20 and the second mobile device 30 in a dual phone mode according to an exemplary embodiment, and FIG. 8B is a schematic diagram for describing a method according to the exemplary embodiment. Schematic diagram of separating (eg, disconnecting) the first mobile device 20 and the second mobile device 30 in the dual phone mode.

The dual phone mode may be the first and second for using two different mobile devices (such as the assigned phone number "+ 10-82-AAAA-BBBB") assigned to the same phone number on the mobile communication system 1 of FIG. 1 Mobile devices 20 and 30). Here, the dual phone mode is a term used to indicate the presence of two devices, as described in one or more exemplary embodiments. Therefore, when using N devices with the same phone number on the mobile communication system 1 of FIG. 1, the term dual phone mode may be replaced by another term such as N phone mode or multi phone mode, where N is greater than or equal to 2 Natural number. In other words, the term dual phone mode may be variously changed and is not limited thereto.

Referring to FIG. 8A, the first and second mobile devices 20 and 30 may be connected to each other by establishing a connection through short-range wireless communication. Examples of short-range wireless communications include wireless communications such as Bluetooth communications, NFC, and Wi-Fi communications.

Regarding the first mobile device 20, when the dual phone mode is to be activated, the first mobile device 20 may use a UI 810 asking whether to connect to the second mobile device 30 to connect to the second mobile device 30 via short-range wireless communication. Similarly, regarding the second mobile device 30, when the dual phone mode is to be activated, the second mobile device 30 may use a UI 820 that asks whether to connect to the first mobile device 20 to connect to the first mobile device 20 via short-range wireless communication.

Referring to FIG. 8B, regarding the first mobile device 20, when the dual phone mode is activated, the first mobile device 20 is disconnected from the second mobile device 30 using a UI 830 asking whether to disconnect from the second mobile device 30. Similarly, regarding the second mobile device 30, when the dual phone mode is activated, the second mobile device 30 may be disconnected from the first mobile device 20 using a UI 840 asking whether to disconnect from the first mobile device 20. Separating the first and second mobile devices 20 and 30 by disconnecting does not mean that the dual phone mode is deactivated, but may mean that the user A wants to use the first and second mobile devices 20 when the dual phone mode is activated And any of 30.

FIG. 9 is a diagram for describing manually activating the phone function of the first mobile device 20 or the second mobile device 30 in a dual phone mode according to an exemplary embodiment.

In the dual phone mode, user A may want to call the other mobile device using one of the first and second mobile devices 20 and 30. In other words, in the dual phone mode, the user A may input information for activating a telephone function of one of the first and second mobile devices 20 and 30 to select one of the first and second mobile devices 20 and 30. By. For example, referring to FIG. 9, the user A may input information for activating the phone function of the first mobile device 20 using a UI 910 asking whether to activate the phone function of the first mobile device 20, and the UI is displayed on the first mobile device. On the device 20. Alternatively, the user A may input information for activating the phone function of the second mobile device 30 using a UI 920 asking whether to activate the phone function of the second mobile device 30, and the UI is displayed on the second mobile device 30.

When the phone function of the first mobile device 20 is activated, the phone function of the second mobile device 30 may be automatically cancelled. Similarly, when the phone function of the second mobile device 30 is activated, the phone function of the first mobile device 20 may be automatically cancelled.

FIG. 10A is a flowchart of a method of activating a phone function of the first mobile device 20 or a phone function of the second mobile device 30 according to an exemplary embodiment.

In operation 1001, the first mobile device 20 determines whether a dual phone mode is set. If the dual phone mode is set, operation 1002 is performed. If the dual phone mode is not set, the method ends because there is no need to determine which of the phone functions of the first and second mobile devices 20 and 30 will be activated.

In operation 1002, the first mobile device 20 determines whether the phone function of the first mobile device 20 is available. For example, the phone function of the first mobile device 20 may be abnormally operated due to any of various reasons, such as a failure or shutdown of a mobile communication module included in the first mobile device 20. Therefore, in operation 1002, the first mobile device 20 determines whether the phone function is operating normally. If the phone function is available, perform operation 1003. If the phone function is unavailable, perform operation 1008.

In operation 1003, the first mobile device 20 determines whether to set the automatic activation of the phone function. If the dual phone mode is set, the first mobile device 20 may be set to be preset, so that the phone function of the first mobile device 20 is activated before the phone function of the second mobile device 30. In other words, the first mobile device 20 may be set so that the phone function is automatically activated in the dual phone mode instead of manually activating the phone function via the UI 910, as described above with reference to FIG. 9. If the automatic activation of the telephone function is set, operation 1005 is performed. If automatic activation of the telephone function is not set, operation 1004 is performed.

In operation 1004, the first mobile device 20 determines whether a manual activation of a telephone function is set. The first mobile device 20 determines whether to input information for manually activating a telephone function. If manual activation of the telephone function is set, operation 1005 is performed. If manual activation of the telephone function is not set, operation 1008 is performed.

In operation 1005, the first mobile device 20 activates a phone function of the first mobile device 20. The phone function of the second mobile device 30 may be automatically deactivated.

In operation 1006, the second mobile device 30 determines whether the dual phone mode is set. If the dual phone mode is set, operation 1007 is performed. If the dual phone mode is not set, the method ends because there is no need to determine which of the phone functions of the first and second mobile devices 20 and 30 will be activated.

In operation 1007, the second mobile device 30 determines whether the phone function of the second mobile device 30 is available. For example, the phone function of the second mobile device 30 may be abnormally operated due to any of various reasons, such as a failure or shutdown of a mobile communication module included in the second mobile device 30. Therefore, in operation 1007, the second mobile device 30 determines whether the phone function is operating normally. If the phone function is available, perform operation 1008. If the phone function is not available, perform operation 1003.

In operation 1008, the second mobile device 30 determines whether to set the automatic activation of the phone function. The second mobile device 30 may be set to be preset so that the phone function of the second mobile device 30 is activated before the phone function of the first mobile device 20. In other words, the second mobile device 30 may be set so that the phone function is automatically activated in the dual phone mode instead of manually activating the phone function via the UI 920, as described above with reference to FIG. 9. If the automatic activation of the telephone function is set, operation 1010 is performed. If automatic activation of the telephone function is not set, operation 1009 is performed.

In operation 1009, the second mobile device 30 determines whether a manual activation of the phone function is set. The second mobile device 30 determines whether to input information for manually activating the telephone function. If manual activation of the telephone function is set, operation 1010 is performed. If manual activation of the telephone function is not set, operation 1003 is performed.

In operation 1010, the second mobile device 30 activates a phone function of the second mobile device 30. The phone function of the first mobile device 20 may be automatically deactivated.

FIG. 10B is a schematic diagram for describing a state in which a phone function of the first mobile device 20 is activated among the first mobile device 20 and the second mobile device 30 connected to each other in a dual phone mode according to an exemplary embodiment.

Referring to FIG. 10B, when the phone function of the first mobile device 20 is activated according to operation 1005 of FIG. 10A, the first mobile device 20 may display a UI 1020 indicating that the phone function is activated.

FIG. 10C is a schematic diagram for describing a state in which a phone function of the second mobile device 30 is activated among the first mobile device 20 and the second mobile device 30 connected to each other in a dual phone mode according to an exemplary embodiment.

Referring to FIG. 10C, when the phone function of the second mobile device 30 is activated according to operation 1010 of FIG. 10A, the second mobile device 30 may display a UI 1030 indicating that the phone function is activated.

FIG. 10D is a schematic diagram for describing a state in which a phone function of the first mobile device 20 is activated among the first mobile device 20 and the second mobile device 30 separated from each other in a dual phone mode according to an exemplary embodiment.

Referring to FIG. 10D, when the phone function of the first mobile device 20 is activated according to operation 1005 of FIG. 10A, the first mobile device 20 may display a UI 1040 indicating that the phone function is activated.

FIG. 10E is a diagram for describing a state in which the phone function of the second mobile device 30 is activated among the first mobile device 20 and the second mobile device 30 separated from each other in the dual phone mode according to an exemplary embodiment.

Referring to FIG. 10E, when the phone function of the second mobile device 30 is activated according to operation 1010 of FIG. 10A, the second mobile device 30 may display a UI 1050 indicating that the phone function is activated.

FIG. 11A is a schematic diagram for describing device ID information and SIM information stored in each of the first mobile device 20 and the second mobile device 30 according to another exemplary embodiment.

Referring to FIG. 11A, the same phone number "+ 82-10-AAAA-BBBB" may be assigned to the first and second mobile devices 20 and 30. In the first device ID information of the first mobile device 20, the IMEI of the first mobile device 20 may have a value of "35 abcdef 465607 8". The ICCID of the first SIM information of the first mobile device 20 may have a value of "abcd efgh 0710 9991 604". Meanwhile, in the second device ID information of the second mobile device 30, the IMEI of the second mobile device 30 may have a value of "23 abcxyz 576501 1", which is different from the value of the IMEI of the first device ID information. Also, the ICCID of the second SIM information of the second mobile device 30 may have a value of "abcd efgh 0710 9991 604", which is the same as the value of the ICCID of the first SIM information.

Referring to FIG. 11A, the first and second mobile devices 20 and 30 assigned the same phone number "+ 82-10-AAAA-BBBB" have the same ICCID but different IMEIs.

FIG. 11B is a schematic diagram for describing device ID information and SIM information stored in each of the first mobile device 20 and the second mobile device 30 according to another exemplary embodiment.

Referring to FIG. 11B, the same phone number "+ 82-10-AAAA-BBBB" may be assigned to the first and second mobile devices 20 and 30. In the first device ID information of the first mobile device 20, the IMEI of the first mobile device 20 may have a value of "35 abcdef 465607 8". The ICCID of the first SIM information of the first mobile device 20 may have a value of "abcd efgh 0710 9991 604". Meanwhile, in the second device ID information of the second mobile device 30, the IMEI of the second mobile device 30 may have a value of "23 abcxyz 576501 1", which is different from the value of the IMEI of the first device ID information. The ICCID of the second SIM information of the second mobile device 30 may have a value of "abcd hgfe 0710 9991 604", which is different from the value of the ICCID of the first SIM information.

Referring to FIG. 11B, the first and second mobile devices 20 and 30 assigned the same phone number "+ 82-10-AAAA-BBBB" have different ICCIDs and different IMEIs.

In the exemplary embodiment described with reference to FIGS. 11A and 11B, the SIM 520 and 350 included in the first mobile device 20 and the second mobile device 30 may have the same ICCID or different ICCIDs. However, in the exemplary embodiment of FIGS. 11A and 11B, the same phone number “+ 82-10-AAAA-BBBB” may be assigned to the first and second mobile devices 20 and 30.

12A to 20D are schematic diagrams related to the exemplary embodiment of FIGS. 11A and 11B.

12A to 14D are schematic diagrams for describing various exemplary embodiments according to the first scenario, in which the first and second SIM information are not stored in the SIM 520 of the first and second mobile devices 20 and 30, respectively, initially In 350 and 350, the first and second SIM information is received from the server 10 of the mobile carrier when necessary, so as to perform the mobile communication function. The first scenario may be related to various exemplary embodiments, in which the first or second mobile device 20 or 30 requests the server 10 of the mobile carrier to transmit or use the first or second SIM information when necessary.

15 to 17D are schematic diagrams for describing various exemplary embodiments according to a second scenario, in which first and second SIM information are initially stored in SIM 520 and 350 of first and second mobile devices 20 and 30, respectively The mobile communication function is performed when the first or second mobile device 20 or 30 transmits a request using the first or second SIM information to the server 10 of the mobile carrier when necessary. The second scenario may be related to various exemplary embodiments, where the first or second mobile device 20 or 30 only transmits a request using the first or second SIM information to the server 10 of the mobile carrier when necessary.

18 to 20D are schematic diagrams for describing various exemplary embodiments according to a third scenario, in which SIM information is initially stored in any of the SIMs 520 and 350 of the first and second mobile devices 20 and 30 And perform mobile communication functions when the first and second mobile devices 20 and 30 exchange SIM information when necessary. The third scenario may be related to various exemplary embodiments, where the first and second mobile devices 20 and 30 exchange SIM information when necessary.

12A and 12B are schematic diagrams for describing a concept of a first situation according to an exemplary embodiment, in which a first mobile device 20 and a second mobile device 30 that do not store SIM information receive SIM information from a server 10 of a mobile carrier And transmit a SIM usage request.

In FIGS. 12A and 12B, the first and second SIM information are not initially stored in the SIM 520 and 350 of the first and second mobile devices 20 and 30, respectively.

Referring to FIG. 12A, when the phone function of the first mobile device 20 is requested to be activated in the dual phone mode, the first mobile device 20 requests the server 10 of the mobile carrier to transmit the first SIM information. Therefore, the server 10 of the mobile carrier transmits the first SIM information to the first mobile device 20, and the first mobile device 20 stores the first SIM information in the SIM 520. Then, the first mobile device 20 transmits a request using the first SIM information to the server 10 of the mobile carrier. When the server 10 of the mobile carrier approves the request, the first mobile device 20 may perform a mobile communication function in the dual phone mode.

Referring to FIG. 12B, when the phone function of the second mobile device 30 is requested to be activated in the dual phone mode, the second mobile device 30 requests the server 10 of the mobile carrier to transmit the second SIM information. Therefore, the server 10 of the mobile carrier transmits the second SIM information to the second mobile device, and the second mobile device 30 stores the second SIM information in the SIM 350. Then, the second mobile device 30 transmits a request using the second SIM information to the server 10 of the mobile carrier. When the server 10 of the mobile carrier approves the request, the second mobile device 30 may perform a mobile communication function in the dual phone mode.

FIG. 13A is a diagram illustrating a first information transfer request and a SIM information use request of a first mobile device 20 based on a first situation when the first mobile device 20 and the second mobile device 30 are connected to each other according to an exemplary embodiment. 20 is a timing diagram of a method of performing a mobile communication function.

In operation 1301, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1302, because the connection is established via the short-range wireless communication, the first and second mobile devices 20 and 30 are connected to each other.

In operation 1303, the first mobile device 20 activates a phone function. The first mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the first mobile device 20 may mean that the user A wants to make a call using the first mobile device 20 that is the master mobile device.

In operation 1304, the first mobile device 20 requests the server 10 of the mobile carrier to transmit the first SIM information.

In operation 1305, the server 10 of the mobile carrier transmits the first SIM information to the first mobile device 20.

In operation 1306, the first mobile device 20 stores the first SIM information in the SIM 520.

In operation 1307, the first mobile device 20 transmits a request using the first SIM information to the server 10 of the mobile carrier.

In operation 1308, the server 10 of the mobile carrier approves the request to use the first SIM information.

In operation 1309, when another mobile device (for example, the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to First mobile device 20. Because the phone function is not activated and no SIM information exists, the phone call is not connected to the second mobile device 30.

FIG. 13B is a SIM information transmission request and a SIM information activation request of the second mobile device 30 based on the first situation when the first mobile device 20 and the second mobile device 30 are connected to each other according to the exemplary embodiment by the second mobile device 30 is a timing diagram of a method for performing a mobile communication function.

In operation 1311, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1312, because the connection is established via the short-range wireless communication, the first and second mobile devices 20 and 30 are connected to each other.

In operation 1313, the second mobile device 30 activates a phone function. The second mobile device 30 may activate the phone function manually or automatically. The activation of the telephone function of the second mobile device 30 may mean that the user A wants to make a call using the second mobile device 30 which is a child mobile device.

In operation 1314, the second mobile device 30 requests the server 10 of the mobile carrier to transmit the second SIM information.

In operation 1315, the server 10 of the mobile carrier transmits the second SIM information to the second mobile device 30.

In operation 1316, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1317, the second mobile device 30 transmits a request using the second SIM information to the server 10 of the mobile carrier.

In operation 1318, the server 10 of the mobile carrier approves the request to use the second SIM information.

In operation 1319, when another mobile device (for example, the mobile device 40 of user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 30。 The second mobile device 30. Because the phone function is not activated and there is no SIM information, the phone call is not connected to the first mobile device 20.

FIG. 13C is a SIM information transmission request of the second mobile device 30 and a SIM information use request of the first mobile device 20 based on the first situation when the first mobile device 20 and the second mobile device 30 are connected to each other according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the first mobile device 20.

In operation 1321, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1322, the first mobile device 20 and the second mobile device 30 are connected to each other by establishing a connection through short-range wireless communication.

In operation 1323, the first mobile device 20 activates a phone function. The first mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the first mobile device 20 may mean that the user A wants to make a call using the first mobile device 20 that is the master mobile device.

In operation 1334, the second mobile device 30 requests the server 10 of the mobile carrier to transmit the first SIM information to the first mobile device 20.

In operation 1325, the server 10 of the mobile carrier transmits the first SIM information to the first mobile device 20.

In operation 1326, the first mobile device 20 stores the first SIM information in the SIM 520.

In operation 1327, the first mobile device 20 transmits a request using the first SIM information to the server 10 of the mobile carrier.

In operation 1328, the server 10 of the mobile carrier approves the request to use the first SIM information.

In operation 1329, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to First mobile device 20. Because the phone function is not activated and no SIM information exists, the phone call is not connected to the second mobile device 30.

13D is a SIM information transmission request of the first mobile device 20 and a SIM information use request of the second mobile device 30 based on the first situation when the first mobile device 20 and the second mobile device 30 are connected to each other according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the second mobile device 30.

In operation 1331, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1332, because the connection is established via the short-range wireless communication, the first and second mobile devices 20 and 30 are connected to each other.

In operation 1333, the second mobile device 30 activates a telephone function. The second mobile device 30 may activate the phone function manually or automatically. The activation of the phone function of the second mobile device 30 may mean that the user A wants to make a call using the second mobile device 30 which is a child mobile device instead of the first mobile device 20 which is a master mobile device.

In operation 1334, the first mobile device 20 requests the server 10 of the mobile carrier to transmit the second SIM information to the second mobile device 30.

In operation 1335, the server 10 of the mobile carrier transmits the second SIM information to the second mobile device 30.

In operation 1336, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1337, the second mobile device 30 transmits a request using the second SIM information to the server 10 of the mobile carrier.

In operation 1338, the server 10 of the mobile carrier approves the request to use the second SIM information.

In operation 1339, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 30。 The second mobile device 30. Because the phone function is not activated and there is no SIM information, the phone call is not connected to the first mobile device 20.

FIG. 14A is a diagram illustrating a first situation when a first mobile device 20 and a second mobile device 30 are separated from each other according to a first situation according to a SIM information transmission request and a SIM information use request of the first mobile device 20 according to an exemplary embodiment 20 is a timing diagram of a method of performing a mobile communication function.

In operation 1401, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1402, because the connection is established via the short-range wireless communication, the first and second mobile devices 20 and 30 are connected to each other.

In operation 1403, the first mobile device 20 activates a phone function. The first mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the first mobile device 20 may mean that the user A wants to make a call using the first mobile device 20 that is the master mobile device.

In operation 1404, the first and second mobile devices 20 and 30 are separated from each other by terminating the connection via short-range wireless communication.

In operation 1405, the first mobile device 20 requests the server 10 of the mobile carrier to transmit the first SIM information.

In operation 1406, the server 10 of the mobile carrier transmits the first SIM information to the first mobile device 20.

In operation 1407, the first mobile device 20 stores the first SIM information in the SIM 520.

In operation 1408, the first mobile device 20 transmits a request using the first SIM information to the server 10 of the mobile carrier.

In operation 1409, the server 10 of the mobile carrier approves the request to use the first SIM information.

In operation 1410, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to First mobile device 20. Because the phone function is not activated and no SIM information exists, the phone call is not connected to the second mobile device 30.

FIG. 14B is a SIM information transmission request and a SIM information use request of the second mobile device 30 based on the first situation when the first mobile device 20 and the second mobile device 30 are separated from each other according to the exemplary embodiment by the second mobile device 30 is a timing diagram of a method for performing a mobile communication function.

In operation 1411, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1412, because the connection is established via the short-range wireless communication, the first and second mobile devices 20 and 30 are connected to each other.

In operation 1413, the second mobile device 30 activates a phone function. The second mobile device 30 may activate the phone function manually or automatically. The activation of the phone function of the second mobile device 30 may mean that the user A wants to make a call using the second mobile device 30 as the master mobile device instead of the first mobile device 20 as the master mobile device.

In operation 1414, the first and second mobile devices 20 and 30 are separated from each other by terminating the connection via short-range wireless communication.

In operation 1415, the second mobile device 20 requests the server 10 of the mobile carrier to transmit the second SIM information.

In operation 1416, the server 10 of the mobile carrier transmits the second SIM information to the second mobile device 30.

In operation 1417, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1418, the second mobile device 20 transmits a request using the second SIM information to the server 10 of the mobile carrier.

In operation 1419, the server 10 of the mobile carrier approves the request to use the second SIM information.

In operation 1420, when another mobile device (for example, the mobile device 40 of user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 30。 The second mobile device 30. Because the phone function is not activated and there is no SIM information, the phone call is not connected to the first mobile device 20.

14C is a SIM information transmission request of the second mobile device 30 and a SIM information use request of the first mobile device 20 based on the first situation when the first mobile device 20 and the second mobile device 30 are separated from each other according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the first mobile device 20.

In operation 1421, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1422, the first mobile device 20 and the second mobile device 30 are connected to each other by establishing a connection through short-range wireless communication.

In operation 1423, the first mobile device 20 activates a phone function. The first mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the first mobile device 20 may mean that the user A wants to make a call using the first mobile device 20 that is the master mobile device.

In operation 1424, the first and second mobile devices 20 and 30 are separated from each other by terminating the connection via short-range wireless communication.

In operation 1425, the second mobile device 30 requests the server 10 of the mobile carrier to transmit the first SIM information to the first mobile device 20.

In operation 1426, the server 10 of the mobile carrier transmits the first SIM information to the first mobile device 20.

In operation 1427, the first mobile device 20 stores the first SIM information in the SIM 520.

In operation 1428, the first mobile device 20 transmits a request using the first SIM information to the server 10 of the mobile carrier.

In operation 1429, the server 10 of the mobile carrier approves the request to use the first SIM information.

In operation 1430, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to First mobile device 20. Because the phone function is not activated and no SIM information exists, the phone call is not connected to the second mobile device 30.

14D is a SIM information transmission request of the first mobile device 20 and a SIM information use request of the second mobile device 30 based on the first situation when the first mobile device 20 and the second mobile device 30 are separated from each other according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the second mobile device 30.

In operation 1431, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1432, because the connection is established via the short-range wireless communication, the first and second mobile devices 20 and 30 are connected to each other.

In operation 1433, the second mobile device 30 activates a telephone function. The second mobile device 30 may activate the phone function manually or automatically. The activation of the phone function of the second mobile device 30 may mean that the user A wants to make a call using the second mobile device 30 which is a child mobile device instead of the first mobile device 20 which is a master mobile device.

In operation 1434, the first and second mobile devices 20 and 30 are separated from each other by terminating the connection via short-range wireless communication.

In operation 1435, the first mobile device 20 requests the server 10 of the mobile carrier to transmit the second SIM information to the second mobile device 30.

In operation 1436, the server 10 of the mobile carrier transmits the second SIM information to the second mobile device 30.

In operation 1437, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1438, the second mobile device 30 transmits a request using the second SIM information to the server 10 of the mobile carrier.

In operation 1439, the server 10 of the mobile carrier approves the request to use the second SIM information.

In operation 1440, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 30。 The second mobile device 30. Because the phone function is not activated and there is no SIM information, the phone call is not connected to the first mobile device 20.

FIG. 15 is a schematic diagram for describing a concept of a second scenario according to an exemplary embodiment, in which a first mobile device 20 and a second mobile device 30 pre-stored SIM information transmit a SIM information use request to a server 10 of a mobile carrier .

Referring to FIG. 15, the first and second mobile devices 20 and 30 pre-store the first and second SIM information in the SIM 520 and 350, respectively. For example, before the dual phone mode is activated, the first and second mobile devices 20 and 30 pre-download the first and second SIM information from the server 10 of the mobile carrier, and store the first and second SIM information in respectively SIM 520 and 350. The SIM 520 and 350 may pre-store the first and second SIM information, respectively, regardless of the activation status of the phone function of the first and second mobile devices 20 and 30.

When the phone function of the first mobile device 20 is requested to be activated in the dual phone mode, the first mobile device 20 transmits a request using the first SIM information to the server 10 of the mobile carrier. When the server 10 of the mobile carrier approves the request for using the first SIM information, the first mobile device 20 may perform a mobile communication function in the dual phone mode.

When the phone function of the second mobile device 30 is requested to be activated in the dual phone mode, the second mobile device 30 transmits a request using the second SIM information to the server 10 of the mobile carrier. When the server 10 of the mobile carrier approves the request for using the second SIM information, the second mobile device 30 may perform a mobile communication function in the dual phone mode.

FIG. 16A is a diagram illustrating a mobile communication function performed by the first mobile device 20 based on the SIM information use request of the first mobile device 20 based on the second situation when the first mobile device 20 and the second mobile device 30 are connected to each other according to an exemplary embodiment. Timing diagram of the method.

In operation 1601, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1602, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1603, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection through short-range wireless communication.

In operation 1604, the first mobile device 20 activates a phone function. The first mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the first mobile device 20 may mean that the user A wants to make a call using the first mobile device 20 that is the master mobile device.

In operation 1605, the first mobile device 20 transmits a request using the first SIM information to the server 10 of the mobile carrier.

In operation 1606, the server 10 of the mobile carrier approves the request to use the first SIM information.

In operation 1607, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to First mobile device 20. Because the second SIM information is not requested, the phone call is not connected to the second mobile device 30.

FIG. 16B is a mobile communication function performed by the second mobile device 30 based on the SIM information use request of the second mobile device 30 based on the second situation when the first mobile device 20 and the second mobile device 30 are connected to each other according to an exemplary embodiment Timing diagram of the method.

In operation 1611, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1612, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1613, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 1614, the second mobile device 20 activates a phone function. The second mobile device 30 may activate the phone function manually or automatically. The activation of the phone function of the second mobile device 20 may mean that the user A wants to make a call using the second mobile device 30 which is a child mobile device instead of the first mobile device 20 which is a master mobile device.

In operation 1615, the second mobile device 30 transmits a request using the second SIM information to the server 10 of the mobile carrier.

In operation 1616, the server 10 of the mobile carrier approves the request to use the second SIM information.

In operation 1617, when another mobile device (for example, the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 30。 The second mobile device 30. Because the first SIM information is not requested, the phone call is not connected to the first mobile device 20.

FIG. 16C is a diagram illustrating a mobile communication function performed by the first mobile device 20 according to a second situation based on a SIM information use request of the second mobile device 30 when the first mobile device 20 and the second mobile device 30 are connected to each other according to an exemplary embodiment. Timing of methods.

In operation 1621, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1622, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1623, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 1624, the first mobile device 20 activates a phone function. The first mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the first mobile device 20 may mean that the user A wants to make a call using the first mobile device 20 that is the master mobile device.

In operation 1625, the second mobile device 30 transmits a request using the first SIM information to the server 10 of the mobile carrier.

In operation 1626, the server 10 of the mobile carrier approves the request to use the first SIM information.

In operation 1627, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to First mobile device 20. Because the second SIM information is not requested, the phone call is not connected to the second mobile device 30.

16D is a mobile communication function performed by the second mobile device 30 based on the SIM information use request of the first mobile device 20 based on the second situation when the first mobile device 20 and the second mobile device 30 are connected to each other according to an exemplary embodiment. Timing diagram of the method.

In operation 1631, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1632, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1633, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 1634, the second mobile device 20 activates a telephone function. The second mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the second mobile device 30 may mean that the user A wants to make a call using the second mobile device 30 which is a child mobile device instead of the first mobile device 20 which is a master mobile device.

In operation 1635, the first mobile device 20 transmits a request using the second SIM information to the server 10 of the mobile carrier.

In operation 1636, the server 10 of the mobile carrier approves the request to use the second SIM information.

In operation 1637, when another mobile device (for example, the mobile device 40 of user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to第二 移动 装置 30。 The second mobile device 30. Because the first SIM information is not requested, the phone call is not connected to the first mobile device 20.

FIG. 17A is a diagram illustrating a mobile communication function performed by the first mobile device 20 based on the SIM information use request of the first mobile device 20 based on the second situation when the first mobile device 20 and the second mobile device 30 are separated from each other according to an exemplary embodiment. Timing diagram of the method.

In operation 1701, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1702, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1703, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection through short-range wireless communication.

In operation 1704, the first mobile device 20 activates a phone function. The first mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the first mobile device 20 may mean that the user A wants to make a call using the first mobile device 20 that is the master mobile device.

In operation 1705, the first and second mobile devices 20 and 30 are separated from each other by terminating the connection via short-range wireless communication.

In operation 1706, the first mobile device 20 transmits a request using the first SIM information to the server 10 of the mobile carrier.

In operation 1707, the server 10 of the mobile carrier approves the request to use the first SIM information.

In operation 1708, when another mobile device (for example, the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to First mobile device 20. Because the second SIM information is not requested, the phone call is not connected to the second mobile device 30.

FIG. 17B is a mobile communication function performed by the second mobile device 30 based on the SIM information use request of the second mobile device 30 based on the second situation when the first mobile device 20 and the second mobile device 30 are separated from each other according to an exemplary embodiment. Timing diagram of the method.

In operation 1711, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1712, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1713, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 1714, the second mobile device 30 activates a phone function. The second mobile device 30 may activate the phone function manually or automatically. The activation of the phone function of the second mobile device 30 may mean that the user A wants to make a call using the second mobile device 30 which is a child mobile device instead of the first mobile device 20 which is a master mobile device.

In operation 1715, the first and second mobile devices 20 and 30 are separated from each other by terminating the connection via short-range wireless communication.

In operation 1716, the second mobile device 30 transmits a request using the second SIM information to the server 10 of the mobile carrier.

In operation 1717, the server 10 of the mobile carrier approves the request to use the second SIM information.

In operation 1718, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 30。 The second mobile device 30. Because the first SIM information is not requested, the phone call is not connected to the first mobile device 20.

FIG. 17C is a mobile communication function performed by the first mobile device 20 according to a second situation based on a SIM information use request of the second mobile device 30 when the first mobile device 20 and the second mobile device 30 are separated from each other according to an exemplary embodiment. Timing diagram of the method.

In operation 1721, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1722, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1723, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 1724, the first mobile device 20 activates a phone function. The first mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the first mobile device 20 may mean that the user A wants to make a call using the first mobile device 20 that is the master mobile device.

In operation 1725, the first and second mobile devices 20 and 30 are separated from each other by terminating the connection via short-range wireless communication.

In operation 1726, the second mobile device 30 transmits a request using the first SIM information to the server 10 of the mobile carrier.

In operation 1727, the server 10 of the mobile carrier approves the request to use the first SIM information.

In operation 1728, when another mobile device (for example, the mobile device 40 of user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to First mobile device 20. Because the second SIM information is not requested, the phone call is not connected to the second mobile device 30.

FIG. 17D is a mobile communication function performed by the second mobile device 30 based on the SIM information use request of the first mobile device 20 based on the second situation when the first mobile device 20 and the second mobile device 30 are separated from each other according to an exemplary embodiment. Timing diagram of the method.

In operation 1731, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1732, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1733, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 1734, the second mobile device 30 activates a telephone function. The second mobile device 30 may activate the phone function manually or automatically. The activation of the phone function of the second mobile device 30 may mean that the user A wants to make a call using the second mobile device 30 which is a child mobile device instead of the first mobile device 20 which is a master mobile device.

In operation 1735, the first and second mobile devices 20 and 30 are separated from each other by terminating the connection via short-range wireless communication.

In operation 1736, the first mobile device 20 transmits a request using the second SIM information to the server 10 of the mobile carrier.

In operation 1737, the server 10 of the mobile carrier approves the request to use the second SIM information.

In operation 1738, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 30。 The second mobile device 30. Because the first SIM information is not requested, the phone call is not connected to the first mobile device 20.

18A and 18B are schematic diagrams for describing a concept of a third scenario according to an exemplary embodiment, in which SIM information is pre-stored in any one of the first mobile device 20 and the second mobile device 30.

In FIG. 18A, the first SIM information is pre-stored in the SIM 520 of the first mobile device 20, but the second SIM information is not pre-stored in the SIM 350 of the second mobile device 30. On the other hand, in FIG. 18B, the first SIM information is not pre-stored in the SIM 520 of the first mobile device 20, but the second SIM information is pre-stored in the SIM 350 of the second mobile device 30. In other words, one of the SIM 520 or the SIM 350 may pre-store the SIM information regardless of the activation state of the phone function of the first or second mobile device 20 or 30.

Referring to FIG. 18A, when the phone function of the first mobile device 20 is requested to be activated in the dual phone mode, the first mobile device 20 transmits a request using the first SIM information to the server 10 of the mobile carrier. When the server 10 of the mobile carrier approves the request for using the first SIM information, the first mobile device 20 may perform a mobile communication function in the dual phone mode. In addition, according to the third scenario, the first mobile device 20 copies and provides the first SIM information to the second mobile device 30, so that the second mobile device 30 can use the copied first SIM information in the same manner as the second SIM information. . In other words, the second mobile device 30 having the copied first SIM information may use the copied first SIM information to perform a mobile communication function in a dual phone mode.

Referring to FIG. 18B, when the phone function of the second mobile device 30 is requested to be activated in the dual phone mode, the second mobile device 30 transmits a request using the second SIM information to the server 10 of the mobile carrier. When the server 10 of the mobile carrier approves the request for using the second SIM information, the second mobile device 30 may perform a mobile communication function in the dual phone mode. In addition, according to the third scenario, the second mobile device 30 copies and provides the second SIM information to the first mobile device 20 so that the first mobile device 20 can use the copied second SIM information in the same manner as the first SIM information . In other words, the first mobile device 20 having the copied second SIM information may use the copied second SIM information to perform a mobile communication function in a dual phone mode.

FIG. 19A is a diagram illustrating a third case in which a second mobile device 30 transmits a request using second SIM information stored in a SIM 350 based on a third situation when the first mobile device 20 and the second mobile device 30 are connected to each other according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the first mobile device 20.

In operation 1901, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1902, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1903, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 1904, the first mobile device 20 activates a telephone function. The first mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the first mobile device 20 may mean that the user A wants to make a call using the first mobile device 20 that is the master mobile device.

In operation 1905, the second mobile device 30 copies the second SIM information, and provides the copied second SIM information to the first mobile device 20.

In operation 1906, the first mobile device 20 stores the copied second SIM information in the SIM 520.

In operation 1907, the second mobile device 30 deletes the second SIM information stored in the SIM 350.

In operation 1908, the second mobile device 30 transmits a request using the copied second SIM information to the server 10 of the mobile carrier.

In operation 1909, the server 10 of the mobile carrier approves the request to use the copied second SIM information.

In operation 1910, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to First mobile device 20. Because the second SIM information is deleted from the SIM 350, the phone call is not connected to the second mobile device 30.

FIG. 19B is a diagram illustrating a third case where the first mobile device 20 and the second mobile device 30 are connected to each other, based on a third scenario, when the first mobile device 20 transmits a request using the second SIM information stored in the SIM 350 according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the first mobile device 20.

In operation 1911, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 1912, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1913, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 1914, the first mobile device 20 activates a telephone function. The first mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the first mobile device 20 may mean that the user A wants to make a call using the first mobile device 20 that is the master mobile device.

In operation 1915, the second mobile device 30 copies the second SIM information, and provides the copied second SIM information to the first mobile device 20.

In operation 1916, the first mobile device 20 stores the copied second SIM information in the SIM 520.

In operation 1917, the second mobile device 30 deletes the second SIM information stored in the SIM 350.

In operation 1918, the first mobile device 20 transmits a request using the copied second SIM information to the server 10 of the mobile carrier.

In operation 1919, the server 10 of the mobile carrier approves the request to use the copied second SIM information.

In operation 1920, when another mobile device (for example, the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to First mobile device 20. Because the second SIM information is deleted from the SIM 350, the phone call is not connected to the second mobile device 30.

FIG. 19C is a diagram illustrating a third case where the first mobile device 20 and the second mobile device 30 are connected to each other, based on a third scenario, when the second mobile device 30 transmits a request using the first SIM information stored in the SIM 520 according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the second mobile device 30.

In operation 1921, the first mobile device 20 stores the first SIM information in the SIM 520.

In operation 1922, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1923, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 1924, the second mobile device 30 activates a telephone function. The second mobile device 30 may activate the phone function manually or automatically. The activation of the phone function of the second mobile device 30 may mean that the user A wants to make a call using the second mobile device 30 which is a child mobile device instead of the first mobile device 20 which is a master mobile device.

In operation 1925, the first mobile device 20 copies the first SIM information, and provides the copied first SIM information to the second mobile device 30.

In operation 1926, the second mobile device 30 stores the copied first SIM information in the SIM 350.

In operation 1927, the first mobile device 20 deletes the first SIM information stored in the SIM 520.

In operation 1928, the second mobile device 30 transmits a request using the copied first SIM information to the server 10 of the mobile carrier.

In operation 1929, the server 10 of the mobile carrier approves a request to use the copied first SIM information.

In operation 1930, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 30。 The second mobile device 30. Because the first SIM information is deleted from the SIM 520, the phone call is not connected to the first mobile device 20.

FIG. 19D is a borrowed time when the first mobile device 20 transmits a request using the first SIM information stored in the SIM 520 based on the third scenario when the first mobile device 20 and the second mobile device 30 are connected to each other according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the second mobile device 30.

In operation 1931, the first mobile device 20 stores the first SIM information in the SIM 520.

In operation 1932, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 1933, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 1934, the second mobile device 30 activates a telephone function. The second mobile device 30 may activate the phone function manually or automatically. The activation of the phone function of the second mobile device 30 may mean that the user A wants to make a call using the second mobile device 30 which is a child mobile device instead of the first mobile device 20 which is a master mobile device.

In operation 1935, the first mobile device 20 copies the first SIM information, and provides the copied first SIM information to the second mobile device 30.

In operation 1936, the second mobile device 30 stores the copied first SIM information in the SIM 350.

In operation 1937, the first mobile device 20 deletes the first SIM information stored in the SIM 520.

In operation 1938, the first mobile device 20 transmits a request using the copied first SIM information to the server 10 of the mobile carrier.

In operation 1939, the server 10 of the mobile carrier approves a request to use the copied first SIM information.

In operation 1940, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 30。 The second mobile device 30. Because the first SIM information is deleted from the SIM 520, the phone call is not connected to the first mobile device 20.

FIG. 20A is a diagram illustrating a third case in which a first mobile device 20 and a second mobile device 30 are separated from each other based on a third situation when the first mobile device 20 transmits a request using the second SIM information stored in the SIM 350 according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the first mobile device 20.

In operation 2001, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 2002, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 2003, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 2004, the first mobile device 20 activates a telephone function. The first mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the first mobile device 20 may mean that the user A wants to make a call using the first mobile device 20 that is the master mobile device.

In operation 2005, the second mobile device 30 copies the second SIM information, and provides the copied second SIM information to the first mobile device 20.

In operation 2006, the first mobile device 20 stores the copied second SIM information in the SIM 520.

In operation 2007, the second mobile device 30 deletes the second SIM information stored in the SIM 350.

In operation 2008, the first and second mobile devices 20 and 30 are separated from each other by terminating the connection via short-range wireless communication.

In operation 2009, the first mobile device 20 transmits a request to use the copied second SIM information to the server 10 of the mobile carrier.

In operation 2010, the server 10 of the mobile carrier approves the request to use the copied second SIM information.

In operation 2011, when another mobile device (for example, the mobile device 40 of user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to First mobile device 20. Because the second SIM information is deleted from the SIM 350, the phone call is not connected to the second mobile device 30.

FIG. 20B is a borrowed time when the second mobile device 30 transmits a request using the second SIM information stored in the SIM 520 based on the third situation when the first mobile device 20 and the second mobile device 30 are separated from each other according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the first mobile device 20.

In operation 2021, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 2022, the first mobile device 20 sets a dual phone mode. In addition, the second mobile device 30 is set to a dual phone mode.

In operation 2023, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 2024, the first mobile device 20 activates a phone function. The first mobile device 20 may activate the phone function manually or automatically. The activation of the phone function of the first mobile device 20 may mean that the user A wants to make a call using the first mobile device 20 that is the master mobile device.

In operation 2025, the second mobile device 30 copies the second SIM information, and provides the copied second SIM information to the first mobile device 20.

In operation 2026, the first mobile device 20 stores the copied second SIM information in the SIM 520.

In operation 2027, the second mobile device 30 deletes the second SIM information stored in the SIM 350.

In operation 2028, the first and second mobile devices 20 and 30 are separated from each other by terminating the connection via short-range wireless communication.

In operation 2029, the second mobile device 20 transmits a request using the copied second SIM information to the server 10 of the mobile carrier.

In operation 2030, the server 10 of the mobile carrier approves the request to use the copied second SIM information.

In operation 2031, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to First mobile device 20. Because the second SIM information is deleted from the SIM 350, the phone call is not connected to the second mobile device 30.

FIG. 20C is a diagram illustrating a third case where the first mobile device 20 and the second mobile device 30 are separated from each other based on a third situation when the second mobile device 30 transmits a request using the first SIM information stored in the SIM 520 according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the second mobile device 30.

In operation 2041, the first mobile device 20 stores the first SIM information in the SIM 520.

In operation 2042, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 2043, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 2044, the second mobile device 30 activates a phone function. The second mobile device 30 may activate the phone function manually or automatically. The activation of the phone function of the second mobile device 30 may mean that the user A wants to make a call using the second mobile device 30 which is a child mobile device instead of the first mobile device 20 which is a master mobile device.

In operation 2045, the first mobile device 20 copies the first SIM information, and provides the copied first SIM information to the second mobile device 30.

In operation 2046, the second mobile device 30 stores the copied first SIM information in the SIM 350.

In operation 2047, the first mobile device 20 deletes the first SIM information stored in the SIM 520.

In operation 2048, the first and second mobile devices 20 and 30 are separated from each other by terminating the connection via short-range wireless communication.

In operation 2049, the second mobile device 30 transmits a request using the copied first SIM information to the server 10 of the mobile carrier.

In operation 2050, the server 10 of the mobile carrier approves the request to use the copied first SIM information.

In operation 2051, when another mobile device (for example, the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 20。 The second mobile device 20. Because the first SIM information is deleted from the SIM 520, the phone call is not connected to the first mobile device 20.

FIG. 20D is a borrowed time when the first mobile device 20 transmits a request using the first SIM information stored in the SIM 520 based on the third situation when the first mobile device 20 and the second mobile device 30 are separated from each other according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the second mobile device 30.

In operation 2061, the first mobile device 20 stores the first SIM information in the SIM 520.

In operation 2062, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 2063, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 2064, the second mobile device 30 activates a phone function. The second mobile device 30 may activate the phone function manually or automatically. The activation of the phone function of the second mobile device 30 may mean that the user A wants to make a call using the second mobile device 30 which is a child mobile device instead of the first mobile device 20 which is a master mobile device.

In operation 2065, the first mobile device 20 copies the first SIM information, and provides the copied first SIM information to the second mobile device 30.

In operation 2066, the second mobile device 30 stores the copied first SIM information in the SIM 350.

In operation 2067, the first mobile device 20 deletes the first SIM information stored in the SIM 520.

In operation 2068, the first and second mobile devices 20 and 30 are separated from each other by terminating the connection via short-range wireless communication.

In operation 2069, the second mobile device 30 transmits a request using the copied first SIM information to the server 10 of the mobile carrier.

In operation 2070, the server 10 of the mobile carrier approves the request to use the copied first SIM information.

In operation 2071, when another mobile device (such as the mobile device 40 of the user B of FIG. 1) requests a telephone call to the phone number "+ 82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 20。 The second mobile device 20. Because the first SIM information is deleted from the SIM 520, the phone call is not connected to the first mobile device 20.

FIG. 21 is a schematic diagram for describing device ID information and SIM information stored in each of the first mobile device and the second mobile device according to another exemplary embodiment.

Referring to FIG. 21, the same phone number "+ 82-10-AAAA-BBBB" may be assigned to the first and second mobile devices 20 and 30. In the first device ID information of the first mobile device 20, the IMEI of the first mobile device 20 may have a value of "35 abcdef 465607 8". Also, the ICCID of the first SIM information of the first mobile device 20 may have a value of "abcd efgh 0710 9991 604". In the second device ID information of the second mobile device 30, the IMEI of the second mobile device 30 may have a value of "35 abcdef 465607 8", which is the same as the IMEI of the first device ID information. Also, the ICCID of the second SIM information of the second mobile device 30 may have a value of "abcd efgh 0710 9991 604", which is the same as the ICCID of the first SIM information.

In other words, according to FIG. 21, the first and second mobile devices 20 and 30 are assigned the same phone number "+ 82-10-AAAA-BBBB", have SIM information of the same ICCID, and have device ID information of the same IMEI. The exemplary embodiment described with reference to FIG. 21 differs from the exemplary embodiment described with reference to FIGS. 11A and 11B in that, in FIG. 21, the first device ID information of the first mobile device 20 and the second device 30 The second device ID information is the same.

22A to 27 are diagrams related to a method according to the exemplary embodiment of FIG. 21.

FIG. 22A shows that the first device ID information of the first mobile device 20 and the second device ID information of the second mobile device 30 are the same and the phone functions of the first and second mobile devices 20 and 30 are available according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the first mobile device 20.

In operation 2201, the server 10 of the mobile carrier transmits the first SIM information to the first mobile device 20.

In operation 2202, the server 10 of the mobile carrier transmits the second SIM information to the second mobile device 30.

In operation 2203, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 2204, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 2205, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 2206, the first mobile device 20 is set as a better device from among the first and second mobile devices 20 and 30 owned by the user A according to the input of the user A. The preferred device may mean a device for receiving a telephone call to a telephone number "+ 82-10-AAAA-BBBB".

In operation 2207, since the first mobile device 20 is set as a better device, the activation of the phone function of the second mobile device 30 is revoked.

In operation 2208, when a phone number "+ 82-10-AAAA-BBBB" is requested to be called from another mobile device (such as mobile device 40 of user B of FIG. 1), the server 10 of the mobile carrier attempts to call to connect to First mobile device 20. Because the phone function of the second mobile device 30 is deactivated, the phone call is not connected to the second mobile device 30.

FIG. 22B shows that the first device ID information on the first mobile device 20 and the second device ID information on the second mobile device 30 are the same and the phone functions of the first and second mobile devices 20 and 30 are available according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by the second mobile device 30.

In operation 2211, the server 10 of the mobile carrier transmits the first SIM information to the first mobile device 20.

In operation 2212, the server 10 of the mobile carrier transmits the second SIM information to the second mobile device 30.

In operation 2213, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 2214, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 2215, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 2216, the second mobile device 30 is set as a better device from the first and second mobile devices 20 and 30 owned by the user A according to the input of the user A. The preferred device may mean a device for receiving a telephone call to a telephone number "+ 82-10-AAAA-BBBB".

In operation 2217, because the second mobile device 30 is set as a better device, the activation of the phone function of the first mobile device 20 is revoked.

In operation 2218, when a phone number "+ 82-10-AAAA-BBBB" is requested to be called from another mobile device (such as mobile device 40 of user B of FIG. 1), the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 30。 The second mobile device 30. Because the phone function of the first mobile device 30 is deactivated, the phone call is not connected to the first mobile device 20.

FIG. 22C is a diagram illustrating that the first device ID information of the first mobile device 20 and the second device ID information of the second mobile device 30 are the same and only the phone function of the first mobile device 20 is available by the first embodiment according to an exemplary embodiment. A timing diagram of a method by which the mobile device 20 performs a mobile communication function.

In operation 2221, the server 10 of the mobile carrier transmits the first SIM information to the first mobile device 20.

In operation 2222, the server 10 of the mobile carrier transmits the second SIM information to the second mobile device 30.

In operation 2223, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 2204, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 2225, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 2226, the second mobile device 30 notifies the first mobile device 20 that the phone function of the second mobile device 30 is in an unavailable state. The unavailable state of the phone function may indicate a state in which the mobile communication module included in the second mobile device 30 is malfunctioning or turned off.

In operation 2227, the first mobile device 20 activates a phone function of the first mobile device 20.

In operation 2228, when a phone number "+ 82-10-AAAA-BBBB" is requested to be called from another mobile device (such as mobile device 40 of user B of FIG. 1), the server 10 of the mobile carrier attempts to call to connect to First mobile device 20. Because the phone function of the second mobile device 30 is not available, the phone call is not connected to the second mobile device 30.

FIG. 22D is a diagram illustrating that the first device ID information of the first mobile device 20 and the second device ID information of the second mobile device 30 are the same and only the phone function of the first mobile device 20 is available through the second device according to an exemplary embodiment. A timing diagram of a method by which the mobile device 30 performs a mobile communication function.

In operation 2231, the server 10 of the mobile carrier transmits the first SIM information to the first mobile device 20.

In operation 2232, the server 10 of the mobile carrier transmits the second SIM information to the second mobile device 30.

In operation 2233, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 2234, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 2235, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 2236, the second mobile device 30 notifies the first mobile device 20 that the phone function of the second mobile device 30 is in an unavailable state. The unavailable state of the phone function may indicate a state in which the mobile communication module included in the second mobile device 30 is malfunctioning or turned off.

In operation 2237, the first mobile device 20 activates a phone function of the first mobile device 20.

In operation 2238, when requesting to call the phone number "+ 82-10-AAAA-BBBB" from another mobile device (mobile device 40 of user B of FIG. 1), the server 10 of the mobile carrier attempts to call to connect to A mobile device 20.

In operation 2239, the first mobile device 20 uses a short-range wireless communication to transfer a telephone call call received from the server 10 of the mobile carrier to the second mobile device 30 via an out-of-band wireless connection method.

FIG. 22E is a diagram illustrating the first device ID information of the first mobile device 20 and the second device ID information of the second mobile device 30 being the same and only the phone function of the second mobile device 30 is available by the second, according to an exemplary embodiment. A timing diagram of a method by which the mobile device 30 performs a mobile communication function.

In operation 2241, the server 10 of the mobile carrier transmits the first SIM information to the first mobile device 20.

In operation 2242, the server 10 of the mobile carrier transmits the second SIM information to the second mobile device 30.

In operation 2243, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 2244, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 2245, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 2246, the first mobile device 20 notifies the second mobile device 30 that the phone function of the first mobile device 20 is in an unavailable state. The unavailable state of the phone function may indicate a state in which the mobile communication module included in the first mobile device 20 is malfunctioning or turned off.

In operation 2247, the second mobile device 30 activates a phone function of the second mobile device 30.

In operation 2248, when a phone number "+ 82-10-AAAA-BBBB" is requested to be called from another mobile device (such as mobile device 40 of user B of FIG. 1), the server 10 of the mobile carrier attempts to call to connect to第二 移动 装置 30。 The second mobile device 30. Because the phone function of the first mobile device 20 is not available, the phone call is not connected to the first mobile device 20.

FIG. 22F is a diagram illustrating that the first device ID information of the first mobile device 20 and the second device ID information of the second mobile device 30 are the same and only the phone function of the second mobile device 30 is available by the first embodiment according to an exemplary embodiment. A timing diagram of a method by which the mobile device 20 performs a mobile communication function.

In operation 2251, the server 10 of the mobile carrier transmits the first SIM information to the first mobile device 20.

In operation 2252, the server 10 of the mobile carrier transmits the second SIM information to the second mobile device 30.

In operation 2253, the first mobile device 20 stores the first SIM information in the SIM 520. In addition, the second mobile device 30 stores the second SIM information in the SIM 350.

In operation 2254, the first mobile device 20 and the second mobile device 30 set a dual phone mode.

In operation 2255, the first and second mobile devices 20 and 30 are connected to each other by establishing a connection via short-range wireless communication.

In operation 2256, the first mobile device 20 notifies the second mobile device 30 that the phone function of the first mobile device 20 is in an unavailable state. The unavailable state of the phone function may indicate a state in which the mobile communication module included in the first mobile device 20 is malfunctioning or turned off.

In operation 2257, the second mobile device 30 activates the phone function of the first mobile device 20.

In operation 2258, upon requesting to call the phone number "+ 82-10-AAAA-BBBB" from another mobile device (mobile device 40 of user B of FIG. 1), the server 10 of the mobile carrier attempts to call to connect to the first二 移动 装置 30。 Two mobile devices 30.

In operation 2259, the second mobile device 30 uses a short-range wireless communication to transfer a telephone call call received from the server 10 of the mobile carrier to the first mobile device 20 via an out-of-band wireless connection method.

FIG. 23 is a block diagram of a second mobile device 30 configured to share a first phone number of the first mobile device 20 in a mobile communication system according to an exemplary embodiment.

Referring to FIG. 23, the second mobile device 30 may include a controller 320, a communicator 330, and a SIM 350. The second mobile device 30 may include additional hardware components, or may not include all the hardware components shown in FIG. 23. The second mobile device 30 of FIG. 23 may be a card phone described above, but is not limited thereto. The second mobile device 30 of FIG. 23 may perform operations of the second mobile device 30 such as described above with reference to FIGS. 1 to 22F.

The controller 320 activates the telephone function of the second mobile device 30 after determining to deactivate the telephone function of the first mobile device 20.

The SIM 350 receives and stores the second SIM information including the subscription information of the first telephone number registered with the mobile communication system from the server 10.

When the phone function of the second mobile device 30 is activated, the communicator 330 transmits a request using the second SIM information to the server 10 of the mobile carrier so that the mobile communication function is performed.

FIG. 24 is a flowchart of a method of providing a mobile communication service using a second mobile device 30 sharing a first phone number of a first mobile device 20 according to an exemplary embodiment. Referring to FIG. 24, the method includes operations processed in time series by the second mobile device 30 described above. Therefore, details regarding the second mobile device 30 can be applied to the method of FIG. 24.

In operation 2401, the controller 320 determines whether to activate the phone function of the first mobile device 20 or not.

In operation 2402, the controller 320 activates the phone function of the second mobile device 30 based on the determination result of operation 2401.

In operation 2403, when the phone function of the second mobile device 30 is activated, the communicator 330 requests the server 10 of the mobile carrier to activate the second SIM information stored in the SIM 350 and includes the first phone registered with the mobile communication service. Subscription information for the number.

In operation 2404, when the second SIM information is activated by the server 10 of the mobile carrier, the communicator 330 uses the activated second SIM information to perform a mobile communication function.

FIG. 25 is a diagram for describing synchronization of a recent call history between the first mobile device 20 and the second mobile device 30 according to an exemplary embodiment.

As described above, the first and second mobile devices 20 are independent devices capable of making and receiving telephone calls. Therefore, the history of phone calls made and received by the first mobile device 20 may be stored only in the first mobile device 20, and the history of phone calls made and received by the second mobile device 30 may be stored only in the second mobile device. 30 in. However, since the first and second mobile devices 20 and 30 share one phone number, the recent call history of the first and second mobile devices 20 and 30 can be synchronized for user convenience.

The time point of synchronizing the recent call history may be when the first and second mobile devices 20 and 30 are separated from each other or connected to each other, but one or more exemplary embodiments are not limited thereto, and may be synchronized at any time desired by the user Recent call history.

FIG. 26 is a flowchart of a method of synchronizing a recent call history when the first mobile device 20 and the second mobile device 30 are separated from each other according to an exemplary embodiment.

Referring to FIG. 26, the separation of the first and second mobile devices 20 and 30 may mean that the user wants to use the second mobile device 30 (such as a card phone) instead of the first mobile device 20 (such as a smart phone).

In operation 2601, the first mobile device 20, when connected to the second mobile device 30, stores a recent call history regarding a recent phone call up to a previous phone call.

In operation 2602, when the user inputs a request to separate the first and second mobile devices 20 and 30, the first mobile device 20 sets the separation of the first and second mobile devices 20 and 30.

In operation 2603, the first mobile device 20 requests the second mobile device 30 to synchronize the recent call history.

In operation 2604, the first mobile device 20 receives, from the second mobile device 30, an index of a previous phone call stored in a recent call history in the second mobile device 30. Here, the index (or synchronization index) may be ID information assigned to classify a phone call record in the recent call history to manage the recent call history. In addition, the first mobile device 20 may use an index (or a synchronous index) to store a recent call history.

In operation 2605, the first mobile device 20 determines whether the index received from the second mobile device 30 matches the index of the previous phone call of the first mobile device 20. In other words, the first mobile device 20 determines whether the recent call history of the first mobile device 20 is different from the recent call history of the second mobile device 30 based on the received index, thereby determining whether the latest call history needs to be synchronized. When the indexes match each other, the method ends because there is no need to synchronize the recent call history. When the indexes do not match each other, operation 2606 is performed.

In operation 2606, the first mobile device 20 generates information about the phone call history after the index received from the second mobile device 30. This information is about the recent call history that exists only in the first mobile device 20 and does not exist in the second mobile device.

In operation 2607, the second mobile device 30 updates the recent call history of the second mobile device 30 using the information about the phone call history received from the first mobile device 20. Therefore, the recent call history can be synchronized between the first and second mobile devices.

In operation 2608, the second mobile device 30 is separated from the first mobile device 20. In other words, the user can make or receive calls via the second mobile device 30 instead of the first mobile device 20.

According to another exemplary embodiment, the first mobile device 20 may receive the latest call history of the second mobile device 30 from the second mobile device 30 after operation 2603, and update the received recent call history to the first mobile device 20 ’s Recent call history. In this case, operations 2604 to 2606 may not be performed.

FIG. 27 is a table illustrating a database of recent call history stored in a device according to an exemplary embodiment.

Referring to FIG. 27, the recent call history of the first or second mobile device 20 or 30 may include the time of the incoming and outgoing calls and the phone numbers of the incoming and outgoing calls, and may be converted into a database in the form of a table 2700. A synchronization index is assigned to each phone call record. The synchronization index is ID information assigned to classify phone call records, and the first and second mobile devices 20 and 30 can determine whether the latest call history needs to be synchronized by comparing the synchronization indexes stored therein. The form of the database about the recent call history is not limited to the table 2700 of FIG. 27, and may be a table or text in a different form.

FIG. 28 is a flowchart of a method of synchronizing a recent call history when the first mobile device 20 and the second mobile device 30 are connected to each other according to an exemplary embodiment.

Referring to FIG. 28, the first and second mobile devices 20 and 30 may be connected when a user wants to use the first mobile device 20 (eg, a smart phone).

In operation 2801, the first mobile device 20 stores a recent call history regarding a recent phone call up to a previous phone call when separated from the second mobile device 30.

In operation 2802, when the user inputs a request to connect the first and second mobile devices 20 and 30, the second mobile device 30 sets a connection of the first and second mobile devices 20 and 30.

In operation 2803, the second mobile device 30 requests the first mobile device 20 to synchronize the recent call history.

In operation 2804, the second mobile device 30 receives from the first mobile device an index of a previous phone call stored in a recent call history in the first mobile device 20. Here, the index (or synchronization index) may be ID information assigned to classify a phone call record in a recent call history to manage a recent call history in the first mobile device 20. Meanwhile, not only the first mobile device 20 but also the second mobile device 30 may use an index (or a synchronization index) to manage a recent call history of the second mobile device 30.

In operation 2805, the second mobile device 30 determines whether the index received from the first mobile device 20 is the same as the index of the last phone call of the second mobile device 30. In other words, the second mobile device 30 may determine whether the recent call histories of the first and second mobile devices 20 and 30 are different from each other or whether the latest call histories of the first and second mobile devices 20 and 30 need to be synchronized based on the received index. When the indexes are the same, the method ends because there is no need to synchronize the recent call history. When the indexes are not the same, operation 2806 is performed.

In operation 2806, the second mobile device 30 generates information about the phone call history after the index received from the first mobile device 20. This information includes information about the recent call history that exists only in the second mobile device 30 and does not exist in the first mobile device 20.

In operation 2807, the first mobile device 20 updates the recent call history of the first mobile device 20 using the information about the telephone call history received from the second mobile device 30. Therefore, the recent call history of the first and second mobile devices 20 and 30 can be synchronized.

In operation 2808, the first mobile device 20 is coupled with the second mobile device 30. In other words, the user can make or receive calls via the first mobile device 20 instead of the second mobile device 30.

According to another exemplary embodiment, the second mobile device 30 may receive the latest call history of the first mobile device 20 from the first mobile device 20 after operation 2803, and update the received recent call history to the second mobile device 30 ’s Recent call history. In this case, operations 2804 to 2806 may not be performed.

FIG. 29 is a schematic diagram for describing a mobile communication system including a wearable device according to an exemplary embodiment.

Referring to FIG. 29, the first and second mobile devices 20 and 30 are devices that share a phone number as described above with reference to FIG. The wearable device 50 may be a stand-alone device or a matching device.

When the wearable device 50 is an independent type, a phone number different from the first mobile device 20 (or the second mobile device 30) is assigned to the wearable device 50. However, the server 10 of the mobile carrier may map the phone number of the wearable device 50 to the phone number of the first mobile device 20 (or the second mobile device 30). Therefore, in the case of a mobile communication system, the first mobile device 20 (or the second mobile device 30) and the wearable device 50 are managed to have different phone numbers, but in the case of the first mobile device 20 (or the second mobile device 30) As for a user or a third party of the wearable device 50, the first mobile device 20 (or the second mobile device 30) and the wearable device 50 can be regarded as sharing a phone number.

When the wearable device 50 is a companion type, a phone number is not assigned to the wearable device 50.

A method for connecting a call using the wearable device 50 when the wearable device 50 is an independent type will be described with reference to FIGS. 30, 31, 34, and 35. In addition, a method for connecting a call using the wearable device 50 when the wearable device 50 is a matching type will be described with reference to FIGS. 32, 33, 36, and 37.

FIG. 30 is a timing diagram of a method of performing a phone call by a stand-alone wearable device 50 instead of the first mobile device 20 according to an exemplary embodiment.

Referring to FIG. 30, it is assumed that the stand-alone wearable device 50 can only be connected to the first mobile device 20 and cannot be connected to the second mobile device 30.

In operation 3001, the wearable device 50 requests the first mobile device 20 to connect. Here, the method of connecting the wearable device 50 and the first mobile device 20 may include any of various short-range wireless communication methods such as Wi-Fi, Wi-Fi Direct, Bluetooth, and NFC.

In operation 3002, the wearable device 50 and the first mobile device 20 synchronize the recent call history. Here, synchronization of the recent call history may be performed in a similar manner to that performed between the first and second mobile devices 20 and 30 described above with reference to FIG. 28.

In operation 3003, the wearable device 50 is set as a main receiving device for receiving a call before the first mobile device 20.

In operation 3004, the first mobile device 20 is set as a backup receiving device for receiving a call when the wearable device 50 cannot receive the call.

In operation 3005, because the wearable device 50 is the main receiving device, the wearable device 50 is in a standby state.

In operation 3006, when an external source (such as a third party) requests a phone call, the server 10 of the mobile carrier transmits the phone call request to the wearable device 50 set as the main receiving device. According to FIG. 30, the phone number of the first mobile device 20 is “+ 82-10-AAAA-BBBB”, and the phone number of the wearable device 50 is “+ 82-10-CCCC-DDDD”, and therefore are different from each other. However, as described above with reference to FIG. 29, the server 10 of the mobile carrier maps the phone numbers of the first mobile device 20 and the wearable device 50 and manages the devices such that the The user's main phone number is "+ 82-10-AAAA-BBBB", which is the phone number of the first mobile device 20, and therefore an external source (third party) does not have to add "+ 82-10-CCCC-DDDD" Each is identified as a phone number of the wearable device 50. In other words, the external source (third party) calls the first mobile device 20 or the wearable device 50 by using only the phone number "+ 82-10-AAAA-BBBB".

In operation 3007, the wearable device 50 notifies the user of an incoming call.

In operation 3008, the wearable device 50 transmits information about the incoming call to the first mobile device 20.

In operation 3009, the first mobile device 20 notifies the user of an incoming call.

In operation 3010, the wearable device 50 answers the incoming call according to the phone call request from the server 10 of the mobile carrier.

In operation 3011, the wearable device 50 hangs up when the incoming call is terminated.

In operation 3012, when the incoming call is terminated, the wearable device 50 notifies the first mobile device 20 of the terminated incoming call.

In operation 3013, the wearable device 50 updates the recent call history based on the information about the terminated incoming call.

In operation 3014, the first mobile device 20 also updates the recent call history based on the information about the terminated incoming call.

FIG. 31 is a sequence diagram of a method for performing a phone call by a stand-alone wearable device instead of a first mobile device according to an exemplary embodiment, wherein the wearable device cannot receive a call.

Referring to FIG. 31, it is assumed that the stand-alone wearable device 50 can only be connected to the first mobile device 20 and cannot be connected to the second mobile device 30.

In operation 3101, the wearable device 50 requests the first mobile device 20 to connect.

In operation 3102, the wearable device 50 and the first mobile device 20 synchronize the recent call history.

In operation 3103, the wearable device 50 is set as a main receiving device for receiving a call before the first mobile device 20.

In operation 3104, the first mobile device 20 is set as a backup receiving device for receiving a call when the wearable device 50 cannot receive the call.

In operation 3105, since the wearable device 50 is the main receiving device, the wearable device 50 is in a standby state.

In operation 3106, when an external source (eg, a third party) requests a phone call, the server 10 of the mobile carrier transmits the phone call request to the wearable device 50 set as the main receiving device.

In operation 3107, the wearable device 50 notifies the user of an incoming call.

In operation 3108, the wearable device 50 transmits information about the incoming call to the first mobile device 20.

In operation 3109, the first mobile device 20 notifies the user of an incoming call.

In operation 3110, when the wearable device 50 does not receive an incoming call within a specific time period, the server 10 of the mobile carrier changes the receiving device to the first mobile device 20.

In operation 3111, the server 10 retransmits the phone call request to the first mobile device 20 set as a backup receiving device.

In operation 3112, the first mobile device 20 answers the incoming call according to the phone call request from the server 10 of the mobile carrier.

In operation 3113, the first mobile device 20 hangs up when the incoming call is terminated.

In operation 3114, when the incoming call is terminated, the first mobile device 20 notifies the wearable device 50 of the terminated incoming call.

In operation 3115, the wearable device 50 updates the recent call history based on the information about the terminated incoming call.

In operation 3116, the first mobile device 20 also updates the recent call history based on the information about the terminated incoming call.

FIG. 32 is a timing diagram of a method of performing a phone call by a first mobile device 20 connected to a wearable device 50 of a companion type according to an exemplary embodiment.

Referring to FIG. 32, it is assumed that the wearable device 50 of the matching type can only be connected to the first mobile device 20 and cannot be connected to the second mobile device 30.

In operation 3201, the wearable device 50 and the first mobile device 20 are connected to each other via wireless communication.

In operation 3202, the first mobile device 20 is set to a standby state.

In operation 3203, when an external source (such as a third party) requests a phone call, the server 10 of the mobile carrier transmits the phone call request to the first mobile device 20. Because the wearable device 50 is a different type from that shown in FIGS. 30 and 31, the server 10 of the mobile carrier may not directly transmit a phone call request to the wearable device 50.

In operation 3204, the first mobile device 20 notifies the user of an incoming call.

In operation 3205, the first mobile device 20 transmits information about the incoming call to the wearable device 50.

In operation 3206, the wearable device 50 notifies the user of the incoming call.

In operation 3207, the user of the first mobile device 20 uses the first mobile device 20 to answer an incoming call.

In operation 3208, the first mobile device 20 notifies the wearable device 50 of the received incoming call.

In operation 3209, the first mobile device 20 hangs up when the incoming call is terminated.

In operation 3210, when the incoming call is terminated, the first mobile device 20 notifies the wearable device 50 of the terminated incoming call.

In operation 3211, the wearable device 50 updates the recent call history based on the information about the terminated incoming call.

In operation 3212, the first mobile device 20 also updates the recent call history based on the information about the terminated incoming call.

FIG. 33 is a sequence diagram of a method of receiving a call to the first mobile device 20 by the wearable device 50 of the companion type according to an exemplary embodiment.

Referring to FIG. 33, it is assumed that the wearable device 50 of the accessory type can only be connected to the first mobile device 20 and cannot be connected to the second mobile device 30.

In operation 3301, the wearable device 50 and the first mobile device 20 are connected to each other via wireless communication.

In operation 3302, the first mobile device 20 is set to a standby state.

In operation 3303, when an external source (such as a third party) requests a phone call, the server 10 of the mobile carrier transmits the phone call request to the first mobile device 20. Because the wearable device 50 is a different type from that shown in FIGS. 30 and 31, the server 10 of the mobile carrier may not directly transmit a phone call request to the wearable device 50.

In operation 3304, the first mobile device 20 notifies the user of an incoming call.

In operation 3305, the first mobile device 20 transmits information about the incoming call to the wearable device 50.

In operation 3306, the wearable device 50 notifies the user of the incoming call.

In operation 3307, the user of the wearable device 50 uses the wearable device 50 to answer an incoming call.

In operation 3308, the first mobile device 20 transfers the phone call request to the wearable device 50.

In operation 3309, the wearable device 50 hangs up when the incoming call is terminated.

In operation 3310, when the incoming call is terminated, the wearable device 50 notifies the first mobile device 20 of the terminated incoming call.

In operation 3311, the wearable device 50 updates the recent call history based on the information about the terminated incoming call.

In operation 3312, the first mobile device 20 also updates the recent call history based on the information about the terminated incoming call.

FIG. 34 is a sequence diagram of a method of performing a phone call by a stand-alone wearable device 50 instead of a second mobile device 30 of a card phone according to an exemplary embodiment.

Referring to FIG. 34, it is assumed that the stand-alone wearable device 50 can only be connected to the second mobile device 30 and cannot be connected to the first mobile device 20.

In operation 3401, the wearable device 50 requests the second mobile device 30 to connect. The method of connecting the wearable device 50 and the second mobile device 30 may include any of various short-range wireless communication methods such as Wi-Fi, Wi-Fi Direct, Bluetooth, and NFC.

In operation 3402, the wearable device 50 and the second mobile device 30 synchronize the recent call history. Synchronization of recent call history may be performed in a similar manner to that performed between the first and second mobile devices 20 and 30 described above with reference to FIG. 28.

In operation 3403, the wearable device 50 is set as a main receiving device for receiving a call before the second mobile device 30.

In operation 3404, the second mobile device 30 is set as a backup receiving device for receiving a call when the wearable device 50 cannot receive the call.

In operation 3405, because the wearable device 50 is the main receiving device, the wearable device 50 is in a standby state.

In operation 3406, when an external source (such as a third party) requests a phone call, the server 10 of the mobile carrier transmits the phone call request to the wearable device 50 set as the main receiving device. According to FIG. 34, the phone number of the second mobile device 30 is “+ 82-10-AAAA-BBBB” and the phone number of the wearable device 50 is “+ 82-10-CCCC-DDDD”. However, as described above with reference to FIG. 29, because the server 10 of the mobile carrier maps the phone numbers of the second mobile device 30 and the wearable device 50 and manages the main phone of the user of the second mobile device 30 and the wearable device 50 The number makes it "+ 82-10-AAAA-BBBB", which is the phone number of the first mobile device 20, so an external source (third party) may not realize that "+ 82-10-CCCC-DDDD" is a wear Phone number of the portable device 50. In other words, the external source (third party) only uses the phone number "+ 82-10-AAAA-BBBB" to call the second mobile device 30 or the wearable device 50.

In operation 3407, the wearable device 50 notifies the user of an incoming call.

In operation 3408, the wearable device 50 transmits information about the incoming call to the second mobile device 30.

In operation 3409, the second mobile device 30 notifies the user of the incoming call.

In operation 3410, the wearable device 50 answers the incoming call according to the phone call request from the server 10 of the mobile carrier.

In operation 3411, the wearable device 50 hangs up when the incoming call is terminated.

In operation 3412, when the incoming call is terminated, the wearable device 50 notifies the second mobile device 30 of the terminated incoming call.

In operation 3413, the wearable device 50 updates the recent call history based on the information about the terminated incoming call.

In operation 3414, the second mobile device 30 also updates the recent call history based on the information about the terminated incoming call.

FIG. 35 is a timing diagram of a method of performing a phone call by a stand-alone wearable device 50 instead of a second mobile device 30 according to an exemplary embodiment, wherein the wearable device 50 cannot receive a call.

Referring to FIG. 35, it is assumed that the stand-alone wearable device 50 can only be connected to the second mobile device 30 and cannot be connected to the first mobile device 20.

In operation 3501, the wearable device 50 requests the second mobile device 30 to connect.

In operation 3502, the wearable device 50 and the second mobile device 30 synchronize the recent call history.

In operation 3503, the wearable device 50 is set as a main receiving device for receiving a call before the second mobile device 30.

In operation 3504, the second mobile device 30 is set as a backup receiving device for receiving a call when the wearable device 50 cannot receive the call.

In operation 3505, since the wearable device 50 is the main receiving device, the wearable device 50 is in a standby state.

In operation 3506, when a phone call is requested by an external source (eg, a third party), the server 10 of the mobile carrier transmits the phone call request to the wearable device 50 set as the main receiving device.

In operation 3507, the wearable device 50 notifies the user of an incoming call.

In operation 3508, the wearable device 50 transmits information about the incoming call to the second mobile device 30.

In operation 3509, the second mobile device 30 notifies the user of the incoming call.

In operation 3510, when the wearable device 50 does not receive an incoming call within a specific time period, the server 10 of the mobile carrier changes the receiving device to a second mobile device 30, which is a backup receiving device.

In operation 3511, the server 10 retransmits the phone call request to the second mobile device 30 set as the backup receiving device.

In operation 3512, the second mobile device 30 answers the incoming call according to the phone call request from the server 10 of the mobile carrier.

In operation 3513, the second mobile device 30 hangs up when the incoming call is terminated.

In operation 3514, when the incoming call is terminated, the second mobile device 30 notifies the wearable device 50 of the terminated incoming call.

In operation 3515, the wearable device 50 updates the recent call history based on the information about the terminated incoming call.

In operation 3516, the second mobile device 30 also updates the recent call history based on the information about the terminated incoming call.

FIG. 36 is a sequence diagram of a method of performing a phone call by a second mobile device 30 connected to a wearable device 50 of a companion type according to an exemplary embodiment.

Referring to FIG. 36, it is assumed that the wearable device 50 of the accessory type can only be connected to the second mobile device 30 and cannot be connected to the first mobile device 20.

In operation 3601, the wearable device 50 and the second mobile device 30 are connected to each other via wireless communication.

In operation 3602, the second mobile device 30 is set to a standby state.

In operation 3603, when an external source (such as a third party) requests a phone call, the server 10 of the mobile carrier transmits the phone call request to the second mobile device 30. Because the wearable device 50 is a matching type, the server 10 of the mobile carrier may not directly transmit a phone call request to the wearable device 50.

In operation 3604, the second mobile device 30 notifies the user of the incoming call.

In operation 3605, the second mobile device 30 transmits information about the incoming call to the wearable device 50.

In operation 3606, the wearable device 50 notifies the user of an incoming call.

In operation 3607, the user of the second mobile device 30 uses the second mobile device 30 to answer an incoming call.

In operation 3608, the second mobile device 30 notifies the wearable device 50 of the received incoming call.

In operation 3609, the second mobile device 30 hangs up when the incoming call is terminated.

In operation 3610, when the incoming call is terminated, the second mobile device 30 notifies the wearable device 50 of the terminated incoming call.

In operation 3611, the wearable device 50 updates the recent call history based on the information about the terminated incoming call.

In operation 3612, the second mobile device 30 also updates the recent call history based on the information about the terminated incoming call.

FIG. 37 is a timing diagram of a method of receiving a call to a second mobile device 30 by a wearable device 50 of a companion type according to an exemplary embodiment.

Referring to FIG. 37, it is assumed that the wearable device 50 of the accessory type can only be connected to the second mobile device 30 and cannot be connected to the first mobile device 20.

In operation 3701, the wearable device 50 and the second mobile device 30 are connected to each other via wireless communication.

In operation 3702, the second mobile device 30 is set to a standby state.

In operation 3703, when an external source (such as a third party) requests a phone call, the server 10 of the mobile carrier transmits the phone call request to the second mobile device 30. Because the wearable device 50 is a matching type, the server 10 of the mobile carrier may not directly transmit a phone call request to the wearable device 50.

In operation 3704, the second mobile device 30 notifies the user of the incoming call.

In operation 3705, the second mobile device 30 transmits information about the incoming call to the wearable device 50.

In operation 3706, the wearable device 50 notifies the user of the incoming call.

In operation 3707, the user of the wearable device 50 uses the wearable device 50 to answer an incoming call.

In operation 3708, the second mobile device 30 transfers the phone call request to the wearable device 50.

In operation 3709, the wearable device 50 hangs up when the incoming call is terminated.

In operation 3710, when the incoming call is terminated, the wearable device 50 notifies the second mobile device 30 of the terminated incoming call.

In operation 3711, the wearable device 50 updates the recent call history based on the information about the terminated incoming call.

In operation 3712, the second mobile device 30 also updates the recent call history based on the information about the terminated incoming call.

As described above, according to one or more exemplary embodiments, because a user can use one mobile phone number in a mobile communication system without having to manage several mobile devices with different phone numbers, A user may receive a mobile communication service via one of several mobile devices based on his / her context. In addition, the inconvenience of managing different phone numbers of several mobile devices can be reduced, and other users do not have to memorize different phone numbers.

One or more exemplary embodiments may also be implemented in the form of a computer-readable recording medium, such as a program module executed by a computer. The computer-readable recording medium may be a non-transitory computer-readable recording medium. The computer-readable recording medium may be any available medium that can be accessed by a computer, and examples of the computer-readable recording medium include all volatile and non-volatile media, and detachable and non-separable media. In addition, examples of the computer-readable recording medium may include computer storage media and communication media. Examples of computer storage media include all volatile and non-volatile media, as well as detachable and non-separable media, which have been implemented by any method or technology to store information such as computer-readable commands, data structures, program modules, and other data . Communication media usually include computer-readable commands, data structures, program modules, other data modulated by data signals, or another transmission mechanism, and examples thereof include any information transmission media.

Also, in this document, a "unit" may be a hardware component (such as a processor or a circuit) and / or a software component executed by a hardware component such as a processor.

Although specific exemplary embodiments have been shown and described, one of ordinary skill in the art will understand that the form and form can be incorporated therein without departing from the spirit and scope of the invention as defined by the scope of the following patent applications and their equivalents And make various changes in details. Therefore, it will be understood that the specific exemplary embodiments described above are not limiting. For example, each component described in a single type may be executed in a distributed manner, and the components described in a distributed manner may also be executed in an integrated form.

The scope of the present invention is indicated by the scope of the patent application and its equivalents rather than by a detailed description, and it should be understood that the scope of the patent application and all modifications or modified forms derived from the concepts of the scope of the patent application and its equivalents are included in Category.

1‧‧‧mobile communication system

10‧‧‧Server

20‧‧‧ the first mobile device

30‧‧‧Second mobile device

40‧‧‧ mobile device

50‧‧‧ Wearable

310‧‧‧User Interface (UI)

311‧‧‧Display

313‧‧‧Input interface

315‧‧‧Touch screen

320‧‧‧controller

330‧‧‧Communicator

340‧‧‧Memory

350‧‧‧ Subscriber Identity Module (SIM)

510‧‧‧Memory

520‧‧‧Subscriber Identity Module (SIM)

610 ~ 650‧‧‧ Operation

810 ~ 840‧‧‧User Interface (UI)

910 ~ 920‧‧‧User Interface (UI)

1001 ~ 1010‧‧‧ Operation

1020 ~ 1050‧‧‧ User Interface (UI)

1301 ~ 1309‧‧‧ Operation

1311 ~ 1319‧‧‧ Operation

1321 ~ 1329‧‧‧ Operation

1331 ~ 1339‧‧‧ Operation

1401 ~ 1440‧‧‧ Operation

1601 ~ 1607‧‧‧ Operation

1611 ~ 1617‧‧‧ Operation

1621 ~ 1627‧‧‧ Operation

1631 ~ 1637‧‧‧ Operation

1701 ~ 1708‧‧‧‧operation

1711 ~ 1718‧‧‧ Operation

1721 ~ 1728‧‧‧ Operation

1731 ~ 1738‧‧‧ Operation

1901 ~ 1940‧‧‧ Operation

2001 ~ 2011‧‧‧ Operation

2021 ~ 2031‧‧‧‧ Operation

2041 ~ 2051‧‧‧‧ Operation

2061 ~ 2071‧‧‧‧ Operation

2201 ~ 2208‧‧‧ Operation

2211 ~ 2218‧‧‧ Operation

2221 ~ 2228‧‧‧ Operation

2231 ~ 2239‧‧‧‧Operation

2241 ~ 2248‧‧‧ Operation

2251 ~ 2259‧‧‧ Operation

2401 ~ 2403‧‧‧ Operation

2601 ~ 2608‧‧‧ Operation

2700‧‧‧Table

2801 ~ 2808‧‧‧‧operation

3001 ~ 3014‧‧‧ Operation

3101 ~ 3116‧‧‧ Operation

3201 ~ 3212‧‧‧‧ Operation

3301 ~ 3312‧‧‧ Operation

3401 ~ 3414‧‧‧ Operation

3501 ~ 3516‧‧‧ Operation

3601 ~ 3612‧‧‧ Operation

3701 ~ 3712‧‧‧ Operation

FIG. 1 is a schematic diagram for describing a mobile communication system according to an exemplary embodiment, in which different mobile devices use the same phone number to make a call. FIG. 2 is a schematic diagram for describing a second mobile device of a user A according to an exemplary embodiment. FIG. 3 is a schematic diagram for describing a second mobile device of the user A according to another exemplary embodiment. FIG. 4 is a block diagram of a second mobile device according to an exemplary embodiment. 5 is a schematic diagram for describing device identification (ID) information and user identification module (SIM) information according to an exemplary embodiment, the device ID information and SIM information being stored in a first mobile device and a second mobile device In each of them. FIG. 6 is a sequence diagram of a method for calling a mobile device of a user B from a first mobile device and a second mobile device on a mobile communication system according to an exemplary embodiment, the first mobile device and the second mobile device Has the same phone number and is owned by user A. FIG. 7 is a schematic diagram for describing a server for managing a mobile carrier of a mobile device owned by a user A according to an exemplary embodiment. FIG. 8A is a schematic diagram for describing connecting a first mobile device and a second mobile device in a dual phone mode according to an exemplary embodiment. FIG. 8B is a schematic diagram for describing separation of a first mobile device and a second mobile device in a dual phone mode according to an exemplary embodiment. FIG. 9 is a diagram for describing manually activating a phone function of a first mobile device or a phone function of a second mobile device in a dual phone mode according to an exemplary embodiment. 10A is a flowchart of a method of activating a phone function of a first mobile device or a phone function of a second mobile device in a dual phone mode according to an exemplary embodiment. 10B is a schematic diagram for describing a state in which a phone function of a first mobile device is activated among a first mobile device and a second mobile device connected to each other in a dual phone mode according to an exemplary embodiment. 10C is a schematic diagram for describing a state in which a phone function of a second mobile device is activated among a first mobile device and a second mobile device connected to each other in a dual phone mode according to an exemplary embodiment. 10D is a schematic diagram for describing a state in which a phone function of a first mobile device is activated among a first mobile device and a second mobile device that are separated from each other in a dual phone mode according to an exemplary embodiment. 10E is a schematic diagram for describing a state in which a phone function of a second mobile device is activated among a first mobile device and a second mobile device that are separated from each other in a dual phone mode according to an exemplary embodiment. 11A is a schematic diagram for describing device ID information and SIM information stored in each of a first mobile device and a second mobile device according to another exemplary embodiment. FIG. 11B is a schematic diagram for describing device ID information and SIM information stored in each of the first mobile device and the second mobile device according to another exemplary embodiment. 12A and 12B are schematic diagrams for describing a concept of a first situation according to an exemplary embodiment, in which a first mobile device and a second mobile device receive SIM information from a server of a mobile carrier and transmit a SIM information use request. FIG. 13A is a diagram illustrating a mobile communication performed by a first mobile device according to a first situation of a SIM information transmission request and a SIM information use request based on a first situation when a first mobile device and a second mobile device are connected to each other according to an exemplary embodiment. Timing chart of functional methods. FIG. 13B is a mobile communication performed by the second mobile device according to the first mobile device ’s SIM information transmission request and SIM information use request based on the first situation when the first mobile device and the second mobile device are connected to each other according to an exemplary embodiment. Timing chart of functional methods. FIG. 13C is a SIM information transmission request of the second mobile device and a SIM information use request of the first mobile device based on the first situation when the first mobile device and the second mobile device are connected to each other according to the exemplary embodiment by the first A timing diagram of a method in which a mobile device performs a mobile communication function. 13D is a SIM information transmission request of a first mobile device and a SIM information use request of a second mobile device based on a first situation when a first mobile device and a second mobile device are connected to each other according to an exemplary embodiment by a second A timing diagram of a method in which a mobile device performs a mobile communication function. FIG. 14A is a diagram illustrating a mobile communication performed by a first mobile device according to a first mobile device ’s SIM information transmission request and SIM information use request based on a first situation when the first mobile device and the second mobile device are separated from each other according to an exemplary embodiment. Timing chart of functional methods. FIG. 14B is a mobile communication performed by the second mobile device according to the first mobile device ’s SIM information transmission request and SIM information use request based on the first situation when the first mobile device and the second mobile device are separated from each other according to an exemplary embodiment. Timing chart of functional methods. FIG. 14C is a SIM information transmission request of the second mobile device and a SIM information use request of the first mobile device based on the first situation when the first mobile device and the second mobile device are separated from each other according to the exemplary embodiment by the first A timing diagram of a method in which a mobile device performs a mobile communication function. 14D is a SIM information transmission request of a first mobile device and a SIM information use request of a second mobile device based on a first situation when a first mobile device and a second mobile device are separated from each other according to an exemplary embodiment by a second A timing diagram of a method in which a mobile device performs a mobile communication function. 15 is a schematic diagram for describing a concept of a second scenario according to an exemplary embodiment, in which a first mobile device and a second mobile device pre-stored SIM information transmit a SIM usage request to a server of a mobile carrier. FIG. 16A is a timing diagram of a method for performing a mobile communication function by a first mobile device based on a SIM information use request of the first mobile device based on a second situation when the first mobile device and the second mobile device are connected to each other according to an exemplary embodiment. Illustration. FIG. 16B is a timing sequence of a method for performing a mobile communication function by a second mobile device based on a second situation ’s SIM information use request based on a second situation when a first mobile device and a second mobile device are connected to each other according to an exemplary embodiment. Illustration. 16C is a timing sequence of a method for performing a mobile communication function by a first mobile device based on a second situation according to a SIM information use request of a second mobile device when a first mobile device and a second mobile device are connected to each other according to an exemplary embodiment. Illustration. 16D is a timing sequence of a method for performing a mobile communication function by a second mobile device based on a SIM information use request of the first mobile device based on a second situation when the first mobile device and the second mobile device are connected to each other according to an exemplary embodiment. Illustration. FIG. 17A is a timing diagram of a method of performing a mobile communication function by a first mobile device based on a SIM information use request of the first mobile device based on a second situation when the first mobile device and the second mobile device are separated from each other according to an exemplary embodiment. Illustration. FIG. 17B is a timing diagram of a method of performing a mobile communication function by a second mobile device based on a second situation ’s SIM information use request based on a second situation when the first mobile device and the second mobile device are separated from each other according to an exemplary embodiment. Illustration. FIG. 17C is a timing sequence of a method for performing a mobile communication function by a first mobile device based on a second situation according to a SIM information use request of a second mobile device when the first mobile device and the second mobile device are separated from each other according to an exemplary embodiment. Illustration. FIG. 17D is a timing diagram of a method for performing a mobile communication function by a second mobile device based on a SIM information use request of the first mobile device based on a second situation when the first mobile device and the second mobile device are separated from each other according to an exemplary embodiment. Illustration. 18A and 18B are schematic diagrams for describing a concept of a third scenario according to an exemplary embodiment, in which SIM information is pre-stored in any one of a first mobile device and a second mobile device. FIG. 19A is a diagram illustrating an example of borrowing when a first mobile device and a second mobile device are connected to each other based on a third situation, when the second mobile device transmits a request for using the second SIM information stored in the second downloadable SIM, based on a third situation; A timing diagram of a method for performing a mobile communication function by a first mobile device. FIG. 19B is a diagram of a third mobile device when a first mobile device and a second mobile device are connected to each other according to an exemplary embodiment. The first mobile device transmits a request for using the second SIM information stored in the second downloadable SIM based on a third situation. A timing diagram of a method for performing a mobile communication function by a first mobile device. FIG. 19C is a diagram illustrating a third case where a first mobile device and a second mobile device are connected to each other based on a third scenario when the second mobile device transmits a request for using the first SIM information stored in the first downloadable SIM, according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by a second mobile device. FIG. 19D is a borrowed when the first mobile device transmits a request using the first SIM information stored in the first downloadable SIM based on the third situation when the first mobile device and the second mobile device are connected to each other according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by a second mobile device. FIG. 20A is a diagram illustrating a third case where a first mobile device and a second mobile device are separated from each other based on a third scenario when a first mobile device transmits a request for using second SIM information stored in a second downloadable SIM, according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by a first mobile device. FIG. 20B is borrowed when the second mobile device transmits a request using the second SIM information stored in the second downloadable SIM based on the third situation when the first mobile device and the second mobile device are separated from each other according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by a first mobile device. FIG. 20C is a diagram illustrating a third case where a first mobile device and a second mobile device are separated from each other, based on a third scenario, when the second mobile device transmits a request for using the first SIM information stored in the first downloadable SIM according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by a second mobile device. FIG. 20D is a borrowed when the first mobile device transmits a request using the first SIM information stored in the first downloadable SIM based on the third situation when the first mobile device and the second mobile device are separated from each other according to an exemplary embodiment. A timing diagram of a method for performing a mobile communication function by a second mobile device. FIG. 21 is a schematic diagram for describing device ID information and SIM information stored in each of the first mobile device and the second mobile device according to another exemplary embodiment. FIG. 22A is a diagram of a mobile device performed by the first mobile device when the device ID information of the first mobile device and the device ID information of the second mobile device are the same and the phone functions of the first and second mobile devices are available, according to an exemplary embodiment. Timing chart of the communication function method. FIG. 22B is a diagram illustrating a mobile device is executed by the second mobile device when the device ID information of the first mobile device and the device ID information of the second mobile device are the same and the phone functions of the first and second mobile devices are available according to an exemplary embodiment. Timing chart of the communication function method. FIG. 22C is a diagram illustrating a mobile communication function performed by the first mobile device when the device ID information of the first mobile device and the device ID information of the second mobile device are the same and only the phone function of the first mobile device is available, according to an exemplary embodiment. Timing diagram of the method. FIG. 22D is a diagram illustrating a mobile communication function performed by the second mobile device when the device ID information of the first mobile device and the device ID information of the second mobile device are the same and only the phone function of the first mobile device is available, according to an exemplary embodiment. Timing diagram of the method. FIG. 22E is a diagram illustrating a mobile communication function performed by the second mobile device when the device ID information of the first mobile device and the device ID information of the second mobile device are the same and only the phone function of the second mobile device is available, according to an exemplary embodiment. Timing diagram of the method. FIG. 22F is a diagram illustrating a mobile communication function performed by the first mobile device when the device ID information of the first mobile device and the device ID information of the second mobile device are the same and only the phone function of the second mobile device is available according to an exemplary embodiment. Timing diagram of the method. 23 is a block diagram of a second mobile device configured to share a first phone number of a first mobile device in a mobile communication system according to an exemplary embodiment. FIG. 24 is a flowchart of a method of providing a mobile communication service using a second mobile device sharing a first phone number of a first mobile device according to an exemplary embodiment. FIG. 25 is a diagram for describing synchronization of a recent call history between a first mobile device and a second mobile device according to an exemplary embodiment. FIG. 26 is a flowchart of a method of synchronizing a recent call history when a first mobile device and a second mobile device are separated from each other according to an exemplary embodiment. FIG. 27 is a table of a database of recent call history stored in a device according to an exemplary embodiment. FIG. 28 is a flowchart of a method of synchronizing a recent call history when a first mobile device and a second mobile device are connected to each other according to an exemplary embodiment. FIG. 29 is a schematic diagram for describing a mobile communication system including a wearable device according to an exemplary embodiment. FIG. 30 is a timing diagram of a method of performing a phone call by a stand-alone wearable device instead of a first mobile device according to an exemplary embodiment. FIG. 31 is a sequence diagram of a method of performing a phone call when a wearable device cannot receive a call according to an exemplary embodiment. FIG. 32 is a timing diagram of a method of performing a phone call by a first mobile device connected to a companion wearable device according to an exemplary embodiment. FIG. 33 is a sequence diagram of a method of receiving a call to a first mobile device by a companion wearable device according to an exemplary embodiment. FIG. 34 is a sequence diagram of a method of performing a phone call by a stand-alone wearable device instead of a second mobile device of a card phone according to an exemplary embodiment. FIG. 35 is a sequence diagram of a method of performing a phone call in place of a second mobile device when a wearable device cannot receive a call according to an exemplary embodiment. FIG. 36 is a timing diagram of a method of performing a phone call by a second mobile device connected to a companion-type wearable device according to an exemplary embodiment. FIG. 37 is a timing diagram of a method of receiving a call to a second mobile device by a companion wearable device according to an exemplary embodiment.

Claims (10)

A mobile device configured to share the same phone number with another mobile device in a mobile communication system, wherein the phone number is assigned to the mobile device and a mobile device via a server in the mobile communication system. In another mobile device, the mobile device includes: a communicator configured to download a subscriber identification module (SIM) information from the server, and the downloaded SIM information and the SIM Shared by another mobile device; a controller, if it is determined that the mobile device is a device that performs a telephone function in response to a call request, the controller is configured to activate the mobile device based on the downloaded SIM information The phone function of the mobile device; and a subscriber identity module (SIM) configured to receive the SIM information from the server and store the SIM information, wherein the SIM information includes the mobile device's Subscription information, the mobile device corresponds to the phone number on the mobile communication system where the other mobile device and the mobile device exist, wherein the Originator further configured to: a request to use the SIM information upon receiving the SIM information is transmitted to the server; and in response from the server receiving an approval to perform the telephone function. The mobile device according to item 1 of the scope of patent application, further comprising a storage device, wherein the storage device stores identification (ID) information, and the ID information has the device ID of the other mobile device Different values of the information, wherein the device ID information of the another mobile device includes at least one of a serial number of the other mobile device and an international mobile equipment identity (IMEI), and the mobile device The device ID information of the device includes at least one of a serial number of the mobile device and an IMEI. The mobile device of claim 1, wherein the communicator is further configured to: use short-range wireless communication to connect to the other mobile device; and exchange information with the other mobile device about the other mobile device Information on an activation state of the phone function of the device and an activation state of the phone function of the mobile device; and the controller is further configured to activate the phone of the mobile device based on the exchange information Features. The mobile device of claim 3, wherein the controller is further configured to automatically activate the phone of the mobile device in response to a decision to deactivate the phone function of the other mobile device. Features. The mobile device according to item 1 of the patent application scope further includes a subscriber identity module (SIM) configured to: receive the SIM information from the server regardless of the mobile device's An activated state of the telephone function; and pre-storing the received SIM information. The mobile device of claim 5, wherein the communicator is further configured to: in response to activating the phone function of the mobile device, transmit a request to use the pre-stored SIM information; and The telephone function is performed in response to receiving an approval from the server. The mobile device as described in claim 1, wherein the communicator is further configured to receive the SIM information from the other mobile device in response to activating the phone function of the mobile device. The mobile device according to item 7 of the patent application scope, wherein the communicator is further configured to: in response to receiving the SIM information from the other mobile device, use one of the received SIM information Transmitting a request to the server; and performing the telephone function in response to receiving an approval from the server. The mobile device according to item 7 of the patent application scope, wherein the communicator is further configured to respond to activating the telephone function of the other mobile device when the SIM information is stored in the SIM, Transmitting the stored SIM information to the another mobile device, and the controller is further configured to control the SIM to delete the SIM information after transmitting the SIM information. A method for providing a mobile communication service, which is suitable for a mobile device that shares the same telephone number with another mobile device in a mobile communication system, wherein the telephone number is assigned via a server in the mobile communication system For the mobile device and the other mobile device, the method includes: downloading and storing a subscriber identification module (SIM) information from the server, the downloaded SIM information and the SIM Shared by another mobile device and transmitting a request using the SIM information to the server when receiving the SIM information, wherein the SIM information includes subscription information of the mobile device, and the mobile device corresponds The telephone number on the other mobile device and the mobile communication system of the mobile device; determining whether the mobile device is a device that performs a telephone function in response to a telephone request; and if it is determined The mobile device is the device that performs the telephone function in response to the telephone request, and in response to receiving a batch from the server The telephone function of the mobile device is activated based on the downloaded SIM information.