TW201711491A - Mobile device and method of providing mobile communication service thereof - Google Patents

Abstract

A mobile device and a method of providing mobile communication service thereof are provided. The mobile device is configured to share a phone number of another mobile device on a mobile communication system. The mobile device includes a communicator and a controller. The communicator is configured to download a Subscriber Identification Module (SIM) information from a server, the downloaded SIM information being sharable with the another mobile device. The controller is configured to activate a call function of the mobile device based on the downloaded SIM information if it is determined that the mobile device is a device to perform the call function in response to a call request.

Description

Mobile device and method for providing mobile communication service

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

Digital-based information and communication technologies are rapidly evolving. Information innovations spread by mobile phones and the Internet, as well as smart phones and tablet devices, are becoming more and more common, with the combination of mobile phones and the Internet. Devices using the new paradigm, such as wearable devices, have emerged. Consumers who already have smart phones want to use these new paradigm devices. Therefore, research has been conducted on the way in which new types of devices or new paradigm devices are combined with existing smart phones and tablet devices and penetrate the consumer's daily life.

Aspects of one or more exemplary embodiments include mobile communication systems as well as different mobile devices sharing the same telephone number in a mobile communication system.

Other aspects will be set forth in the description which follows, and in part will be apparent from the description.

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

In an embodiment of the invention, the mobile device can further include a subscriber identification module (SIM) configured to receive SIM information from the server and store the SIM information. The SIM information may include subscription information for the mobile device, and the mobile device corresponds to a telephone number on the mobile communication system in which the other mobile device and the mobile device are present.

In an embodiment of the invention, the communicator can be further configured to receive SIM information from the server when the mobile device's telephony function is initiated.

In an embodiment of the invention, the communicator is further configurable to transmit a request for SIM information to the server in response to initiating a telephony function of the mobile device, and to receive SIM information in response to a request for SIM information.

In an embodiment of the invention, the communicator can be further configured to transmit a request to use the SIM information to the server upon receipt of the SIM information, and to perform the mobile communication function in response to receiving the approval from the server.

In an embodiment of the present invention, the mobile device may further include a storage device having device identification (ID) information stored thereon, the ID information having a value different from the device ID information of the other mobile device. The device ID information of the other 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 them.

In an embodiment of the invention, the communicator is further configurable to connect to another mobile device using short range wireless communication and to exchange an activation state of the telephone function with respect to another mobile device with another mobile device and the mobile device Information about the startup status of the phone feature. The controller can be further configured to initiate a phone function of the mobile device based on the exchanged information.

In an embodiment of the invention, the controller can be further configured to automatically initiate the phone function of the mobile device in response to determining to deactivate the phone function of another mobile device.

In an embodiment of the invention, the mobile device can further include a user interface (UI) configured to provide a pop-up UI for setting the activation state of the mobile device's telephony function.

In an embodiment of the invention, the controller is further configurable to activate the mobile device's telephony function in response to input via the flash UI to set the activation state of the mobile device's telephony function to the active user input. .

In an 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 state of the mobile device's telephony function, and the pre-storage Received SIM information.

In an embodiment of the invention, the communicator is further configurable to transmit a request to use pre-stored SIM information in response to activating a mobile device's telephony function, and to perform a mobile communication function in response to receiving an approval from the server .

In one embodiment of the invention, the communicator can be further configured to receive Subscriber Identity Module (SIM) information from another mobile device in response to initiating a mobile device's telephony function.

In an embodiment of the invention, the communicator is further configurable to transmit a request to use the received SIM information to the server in response to receiving the SIM information from another mobile device, and in response to receiving from the server Perform mobile communication functions upon approval.

In an embodiment of the invention, the communicator can be further configured to transmit the stored SIM information to another mobile device in response to activating the phone function of another mobile device while storing the SIM information in the SIM. The controller can 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 a mobile communication function using first subscriber identity module (SIM) information including subscription information for a telephone number registered with the mobile communication system. The second mobile device is configured to perform the mobile communication function using the second SIM information including the subscription information of the telephone 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 requesting to call the telephone number, connect the telephone call to the first SIM information requested or the second requested SIM information mobile device.

In an embodiment of the invention, the first mobile device is configurable to transmit a request by the server to transmit the first SIM information in response to initiating the telephone function of the first mobile device, and to use when receiving the first SIM information The request for the first SIM information is transmitted to the server. The second mobile device can be configured to transmit a request by the server to transmit the second SIM information in response to initiating a telephony function of the second mobile device, and to transmit a request to use the second SIM information to the servo when receiving the second SIM information Device.

In an embodiment of the invention, the first mobile device is further configurable to receive the first SIM information from the server regardless of the activation state of the telephone function of the first mobile device, and in response to activation in the first mobile device The phone function transmits a request using the first SIM information to the server.

In an embodiment of the invention, the second mobile device is further configurable to receive the second SIM information from the server regardless of the activation state of the telephone function of the second mobile device, and in response to activation in the second mobile device The phone function transmits a request for the second SIM message to the server.

In an embodiment of the invention, at least one of the first mobile devices can 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 can Further configuration is made to receive the second SIM information from the server regardless of the activation of the phone function of the second mobile device.

In an embodiment of the invention, the first mobile device and the second mobile device are further configurable to exchange pre-stored first SIM information or pre-stored second between the first mobile device and the second mobile device SIM information.

The present invention provides a method of providing a mobile communication service by a mobile device sharing a telephone number of another mobile device, the method comprising a plurality of steps. A determination is made as to whether to revoke the phone function of another mobile device. The phone function of the mobile device is initiated based on the result of the determination. In response to activating the phone function of the second mobile device, the mobile communication function is performed using the phone number.

Particular illustrative embodiments will now be described more fully with reference to the drawings. One or more exemplary embodiments may be embodied in many different forms and should not be construed as being limited to the illustrative embodiments set forth herein. Rather, the exemplary embodiments described herein are provided so that this invention will be thorough and complete, and the concept of one or more exemplary embodiments will be fully conveyed to those skilled in the art. In the following description, well-known functions or constructions may not be described in detail, as the description of one or more exemplary embodiments will be confused in unnecessary detail, and similar reference numbers in the drawings represent similar or Similar components.

In the present specification, when a zone is "connected" to another zone, the zone may be "directly connected" and may be "electrically connected" via another device therebetween. Also, the region may further include other components when the region "includes" the component.

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

1 is a schematic diagram for describing a mobile communication system 1 in which different mobile devices make calls using the same telephone number, in accordance with an exemplary embodiment.

Referring to FIG. 1, the mobile communication system 1 includes a server 10 for moving a carrier, a first mobile device 20 of the 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 can 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 type telephone 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 telephone number of the first mobile device 20 and the telephone 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 particular 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.

Mobile carriers represent 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 the consumer.

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

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 of the number "+82-10-AAAA-BBBB".

In other words, both the first and second mobile devices 20 and 30 can perform the mobile communication function by subscribing to the mobile communication system 1 without having to assign different phone numbers by 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 can have the same phone. Two or more mobile devices of the number.

2 is a schematic diagram of a second mobile device 30 of user A, in accordance with an illustrative embodiment.

Referring to FIG. 2, the second mobile device 30 can be a card phone having a shape different from that of a smart phone. A card type telephone can represent a mobile communication function having a smart phone type and an ultra-fine or ultra-thin shape mobile device similar to a credit card or a traffic card. In other words, like a smart phone, a card phone can be assigned a phone number and a phone call with another phone is performed via the mobile communication system 1. For example, since only the ultra-small module is mounted on the card phone to make the card phone ultra-fine, among the 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 (eg, a display unit) on the front surface and an input interface 313 (eg, an input unit).

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

Input interface 313 can be a keypad with physical buttons. Input interface 313 can be a keypad containing, by way of non-limiting example, a numeric button, a call connection button, and a call termination button, and the like.

FIG. 3 is a schematic diagram of a second mobile device 30 of user A, in accordance with another exemplary embodiment.

Referring to FIG. 3, the second mobile device 30 of FIG. 3 can include a touch screen 315 on the front surface. The second mobile device 30 of 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 screen keypad displayed on the touch screen 315 and can be displayed by the second mobile device via the touch screen 315. 30 various types of information processed, such as a contact list or caller information of a received telephone call.

The card type telephone is not limited to the above description, and can be implemented as various elements and features.

FIG. 4 is a block diagram of a second mobile device 30, in accordance with an exemplary embodiment.

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

The UI 30 can be used by the user A to input data to control the hardware of the second mobile device 30. For example, the UI 310 can be a keypad, a hemispherical switch, a touch screen (contact capacitance type, piezoresistive film type, infrared detection type, surface ultrasonic conduction type, integral tension measurement type or piezoelectric effect). Type), operation roller or jog switch, but not limited to this.

The UI 310 can 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 notifying the user A about information processed by the second mobile device 30, such as a speaker or buzzer that outputs an audio signal or a voice signal or a vibration motor that outputs a vibration signal. Connected to the unit). For example, the UI 310 can provide a UI screen for setting various functions, such as a quick display UI for enabling or deactivating the phone function of the second mobile device 30, for enabling or deactivating the dual phone mode. The display UI, as well as the quick-display UI for starting or deactivating the short-range wireless communication function, receives the input of the user A.

The controller 320 can control the overall operation of the second mobile device 30. The controller 320 can execute programs stored in the memory 340 to control the 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 can include at least one hardware component that enables the second mobile device 30 to connect to another mobile device (such as the mobile device 40 of FIG. 1) or a mobile carrier 10 via a wire. For example, the communicator 330 can 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 on the mobile communication system 1 of FIG. 1 via a mobile carrier according to any of various communication methods such as 2G mobile communication, 3G mobile communication, and 4G mobile communication. The station performs a module for mobile communication with another mobile device and can be a module for receiving any type of data based on transmission and reception of voice calls, video calls or text/multimedia messages. For example, the communicator 330 can receive SIM information from the server 10 of the mobile carrier of FIG.

Upon activation of the telephony function of the second mobile device 30, the communicator 330 can 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, such that the second mobile Device 30 performs a mobile communication function. For example, the communicator 330 can transmit a SIM information transmission request or a SIM information usage request to the server 10 of the mobile carrier. Also, the communicator 330 can exchange SIM information with the first mobile device 20 and receive various types of information about the first mobile device from the first mobile device 20, such as the activation status of the phone function of the first mobile device 20.

The memory 340 can store programs for the program and control of the controller 320 and store the data input to the second mobile device 30 or the data output from the second mobile device. For example, the memory 340 can 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 of the second mobile device 30 and the IMEI (which is inherent to the second mobile device 30), and may also include various types of information, such as the model of the second mobile device 30 and manufacturer information.

The memory 340 may include at least one type of storage medium of the following types: a flash memory type memory, a hard disk type memory, a multimedia card micro memory, and a card type 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 , disk and CD.

The SIM 350 is a module for storing SIM information, and the SIM information includes information related to a mobile communication service provided by a mobile carrier, such as an integrated circuit card identifier (ICCID), and an international mobile subscriber identity (international). Mobile subscriber identity; IMSI), authentication key, and location area identifier. The SIM 350 can be a downloadable SIM type module that stores SIM information received from the server 10 of the mobile carrier. For example, the SIM 350 can receive and store SIM information from the server 10 containing subscription information for a particular telephone number registered with the mobile communication system 1. One or more exemplary embodiments are not limited thereto, and alternatively, the SIM 350 may read and store a SIM card or a universal SIM (US) card when the SIM card or 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 can store device ID information about the first mobile device 20. The device ID information may include the serial number of the first mobile device 20 and an international mobile equipment identity (IMEI), which is inherent to the first mobile device 20. Also, the device ID information may include various types of information, such as the model of the first mobile device 20 and manufacturer information. Here, the serial number and IMEI of the first mobile device 20 are inherent to the first mobile device, as described above, and typically have a combination of different numbers depending on 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 particular telephone number assigned by the mobile carrier. Accordingly, the server 10 of FIG. 1 of the mobile carrier can identify the telephone number of the user A of the first mobile device 20 and the first mobile device 20 using the ICCID stored in the SIM 520.

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

As described above with reference to Fig. 1, in the mobile communication system 1, the telephone number "+10-82-AAAA-BBBB" can 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 manage the ICCID of the SIM 350 and the ICCID of the SIM 520 in the same manner. Alternatively, the server 10 of the mobile carrier can 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 first device ID information and first SIM information, respectively, and device ID information and SIM information of the second mobile device 30, respectively. They will be referred to as second device ID information and second SIM information, respectively.

6 is a sequence diagram of a method of calling a mobile device 40 of a user B from a first mobile device 20 and a second mobile device 30 on a 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 user A.

Referring to Figure 6, the telephone number "+10-82-AAAA-BBBB" can 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 the primary 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 requests the telephone to call the telephone number "+10-82-AAAA-BBBB" using the mobile device 40.

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

In operation 650, if the user A activates the telephone function of the first mobile device 20 of the primary mobile device, the server 10 of the mobile carrier can transmit the request of the mobile device 40 for the telephone call to the first mobile device 20. However, if the user A activates the telephone function of the second mobile device 30 of the child mobile device, the server 10 of the mobile carrier can transmit the request of the mobile device 40 for the telephone call to the second mobile device 30.

In other words, when the same telephone 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 that manages a mobile carrier of a mobile device owned by a user A, according to an exemplary embodiment.

Referring to Figure 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 mobile carrier server 10 can identify the first and second mobile devices 20 and 30 using 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. As described above, the first mobile device 20 can be a smart phone and the second mobile device 30 can be a card phone. Therefore, the user A can register the first mobile device 20 having greater functionality than the second mobile device 30 as the primary mobile device. Further, the user A can register the second mobile device 30 as a child mobile device. The mobile carrier server 10 can identify and manage the primary mobile device and the child mobile device using the first and second device ID information of the first and second mobile devices 20 and 30.

8A is a schematic diagram for describing a connection (eg, connecting or combining) a first mobile device 20 and a second mobile device 30 in a dual phone mode, and FIG. 8B is for describing an example in accordance with an exemplary embodiment, in accordance with an exemplary embodiment. A schematic diagram of separating (e.g., disconnecting) the first mobile device 20 and the second mobile device 30 in a dual phone mode.

The dual phone mode may be for using two different mobile devices assigned the same phone number on the mobile communication system 1 of FIG. 1 (such as the first and second assigned the phone number "+10-82-AAAA-BBBB" The mode of the 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 N devices having the same telephone number are used on the mobile communication system 1 of FIG. 1, the term dual telephone mode can be replaced by another term such as N telephone mode or multi-telephone mode, where N is greater than or equal to 2 Natural number. In other words, the term dual phone mode can be changed differently, and is not limited thereto.

Referring to FIG. 8A, the first and second mobile devices 20 and 30 can be coupled to each other by establishing a connection via 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 can connect to the second mobile device 30 via short-range wireless communication using the UI 810 asking whether to connect to the second mobile device 30. Similarly, with respect to the second mobile device 30, when the dual phone mode is to be activated, the second mobile device 30 can connect to the first mobile device 20 via short-range wireless communication using the UI 820 inquiring whether to connect to the first mobile device 20.

Referring to FIG. 8B, with respect to the first mobile device 20, when the dual phone mode is activated, the first mobile device 20 disconnects from the second mobile device 30 using the UI 830 asking whether it is disconnected from the second mobile device 30. Similarly, with respect to the second mobile device 30, when the dual phone mode is activated, the second mobile device 30 can disconnect from the first mobile device 20 using the UI 840 asking if it is disconnected from the first mobile device 20. Separating the first and second mobile devices 20 and 30 by disconnecting does not mean undoing the dual phone mode, 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.

9 is a schematic diagram for describing a phone function or a second mobile device 30 for manually activating a first mobile device 20 in a dual phone mode, in accordance with an exemplary embodiment.

In dual phone mode, user A may want to use one of the first and second mobile devices 20 and 30 to call another mobile device. In other words, in the dual phone mode, the user A can input information for starting the phone 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, user A can input information for initiating the phone function of the first mobile device 20 using the UI 910 asking whether to activate the phone function of the first mobile device 20, the UI being displayed on the first move. On device 20. Alternatively, the user A can input information for initiating the phone function of the second mobile device 30 using the UI 920 asking whether to activate the phone function of the second mobile device 30, the UI being displayed on the second mobile device 30.

When the telephone function of the first mobile device 20 is activated, the activation of the telephone function of the second mobile device 30 can be automatically revoked. Similarly, when the phone function of the second mobile device 30 is activated, the phone function of the first mobile device 20 can be automatically revoked.

FIG. 10A is a flowchart of a method of initiating a phone function of a first mobile device 20 or a phone function of a second mobile device 30, in accordance with 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 telephony function of the first mobile device 20 may be malfunctioning due to any of a variety of reasons, such as a failure or shutdown of a mobile communication module included in the first mobile device 20. Accordingly, in operation 1002, the first mobile device 20 determines if the phone function is operating normally. If the phone function is available, operation 1003 is performed. If the phone function is not available, then operation 1008 is performed.

In operation 1003, the first mobile device 20 determines whether automatic activation of the phone function is set. If the dual phone mode is set, the first mobile device 20 can be set to be preset such that the phone function of the first mobile device 20 is activated prior to the phone function of the second mobile device 30. In other words, the first mobile device 20 can be set up such that the phone function is automatically activated in the dual phone mode instead of manually initiating the phone function via the UI 910, as described above with reference to FIG. If automatic setting of the phone function is set, operation 1005 is performed. If the automatic start of the phone function is not set, then operation 1004 is performed.

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

In operation 1005, the first mobile device 20 initiates a telephony function of the first mobile device 20. The phone function of the second mobile device 30 can be automatically revoked.

In operation 1006, the second mobile device 30 determines whether a 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 telephony function of the second mobile device 30 may be malfunctioning due to any of a variety of 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 telephone function is operating normally. If the phone function is available, then operation 1008 is performed. If the phone function is not available, operation 1003 is performed.

In operation 1008, the second mobile device 30 determines whether automatic activation of the phone function is set. The second mobile device 30 can be set to be preset such that the telephony function of the second mobile device 30 is initiated prior to the telephony function of the first mobile device 20. In other words, the second mobile device 30 can be set up to cause the phone function to be automatically activated in the dual phone mode instead of manually initiating the phone function via the UI 920, as described above with reference to FIG. If the automatic activation of the phone function is set, operation 1010 is performed. If the automatic start of the phone 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 or not to input information for manually starting the telephone function. If manual activation of the phone function is set, then operation 1010 is performed. If the manual activation of the phone function is not set, operation 1003 is performed.

In operation 1010, the second mobile device 30 activates the telephony function of the second mobile device 30. The phone function of the first mobile device 20 can be automatically revoked.

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

Referring to FIG. 10B, upon activation of the telephony function of the first mobile device 20 in accordance with operation 1005 of FIG. 10A, the first mobile device 20 can display a UI 1020 indicating activation of the telephony function.

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

Referring to FIG. 10C, upon activation of the telephony function of the second mobile device 30 in accordance with operation 1010 of FIG. 10A, the second mobile device 30 can display a UI 1030 indicating activation of the telephony function.

FIG. 10D is a schematic diagram for describing a state in which the telephone 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 the dual telephone mode, according to an exemplary embodiment.

Referring to FIG. 10D, upon activation of the telephony function of the first mobile device 20 in accordance with operation 1005 of FIG. 10A, the first mobile device 20 can display a UI 1040 indicating activation of the telephony function.

FIG. 10E is a schematic diagram for describing a state in which the telephone 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 telephone mode, according to an exemplary embodiment.

Referring to FIG. 10E, upon activation of the telephony function of the second mobile device 30 in accordance with operation 1010 of FIG. 10A, the second mobile device 30 can display a UI 1050 indicating activation of the telephony function.

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 telephone number "+82-10-AAAA-BBBB" can 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. Moreover, the ICCID of the second SIM information of the second mobile device 30 may have the value "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 telephone 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 telephone number "+82-10-AAAA-BBBB" can 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 telephone number "+82-10-AAAA-BBBB" have different ICCIDs and different IMEIs.

In the exemplary embodiment described with reference to FIGS. 11A and 11B, the SIMs 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 telephone number "+82-10-AAAA-BBBB" may be assigned to the first and second mobile devices 20 and 30.

12A through 20D are schematic views related to the exemplary embodiment of Figs. 11A and 11B.

12A through 14D are diagrams for describing various exemplary embodiments according to the first scenario, in which the first and second SIM information are not initially stored in the SIM 520 of the first and second mobile devices 20 and 30, respectively. And 350, but receiving the first and second SIM information from the server 10 of the mobile carrier as necessary to enable the mobile communication function to be performed. 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 as necessary.

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

18 through 20D are diagrams for describing various exemplary embodiments in accordance with a third scenario in which SIM information is initially stored in any of SIMs 520 and 350 of first and second mobile devices 20 and 30. And performing the mobile communication function when the first and second mobile devices 20 and 30 exchange SIM information as necessary. The third scenario can be related to various exemplary embodiments in which the first and second mobile devices 20 and 30 exchange SIM information as necessary.

12A and 12B are diagrams for describing a concept of a first scenario 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, in accordance with an exemplary embodiment. And transmit the SIM usage request.

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

Referring to FIG. 12A, upon requesting activation of the telephone function of the first mobile device 20 in the dual telephone 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. Next, the first mobile device 20 transmits a request to use 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 can perform the mobile communication function in the dual phone mode.

Referring to FIG. 12B, when requesting to activate the telephone function of the second mobile device 30 in the dual telephone 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. Next, the second mobile device 30 transmits a request to use 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 can perform the mobile communication function in the dual phone mode.

FIG. 13A illustrates a SIM information transmission request and a SIM information usage request by the first mobile device 20 based on the first scenario when the first mobile device 20 and the second mobile device 30 are connected to each other by the first mobile device, according to an exemplary embodiment. 20 Timing diagram of the method of performing the 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, the first and second mobile devices 20 and 30 are coupled to each other because the connection is established via short-range wireless communication.

In operation 1303, the first mobile device 20 initiates a phone function. The first mobile device 20 can initiate the phone function manually or automatically. Activation of the telephone 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 primary 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 to use 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 (such as user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The first mobile device 20. Since the phone function is not activated and there is no SIM information, the phone call is not connected to the second mobile device 30.

13B is a SIM information transmission request and a SIM information activation request according to 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 by the second mobile device, according to an exemplary embodiment. 30 Timing diagram of the method of performing the mobile communication function.

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

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

In operation 1313, the second mobile device 30 activates the phone function. The second mobile device 30 can initiate the phone function manually or automatically. 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 that is the 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The second mobile device 30. Since the phone function is not activated and there is no SIM information, the phone call is not connected to the first mobile device 20.

13C is a SIM information transmission request according to the second situation and a SIM information usage 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 of 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 1323, the first mobile device 20 initiates a phone function. The first mobile device 20 can initiate the phone function manually or automatically. Activation of the telephone 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 primary 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The first mobile device 20. Since the phone function is not activated and there is no SIM information, the phone call is not connected to the second mobile device 30.

13D is a SIM information transmission request according to the first mobile device 20 and a SIM information usage 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 of 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 the dual phone mode.

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

In operation 1333, the second mobile device 30 activates the phone function. The second mobile device 30 can initiate the phone function manually or automatically. 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 that is the child mobile device instead of the first mobile device 20 that is the primary 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The second mobile device 30. Since 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 illustrates a SIM information transmission request and a SIM information usage request by the first mobile device 20 based on the first scenario when the first mobile device 20 and the second mobile device 30 are separated from each other by the first mobile device, according to an exemplary embodiment. 20 Timing diagram of the method of performing the 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, the first and second mobile devices 20 and 30 are coupled to each other because the connection is established via short-range wireless communication.

In operation 1403, the first mobile device 20 initiates a phone function. The first mobile device 20 can initiate the phone function manually or automatically. Activation of the telephone 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 primary 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The first mobile device 20. Since the phone function is not activated and there is no SIM information, the phone call is not connected to the second mobile device 30.

14B illustrates a SIM information transmission request and a SIM information usage request by the second mobile device 30 based on the first scenario when the first mobile device 20 and the second mobile device 30 are separated from each other by the second mobile device, according to an exemplary embodiment. 30 Timing diagram of the method of performing the 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, the first and second mobile devices 20 and 30 are coupled to each other because the connection is established via short-range wireless communication.

In operation 1413, the second mobile device 30 activates the phone function. The second mobile device 30 can initiate 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 of the primary mobile device instead of the first mobile device 20 of the primary 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The second mobile device 30. Since 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 according to the first situation and a SIM information usage 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 of 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 the 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 via short-range wireless communication.

In operation 1423, the first mobile device 20 initiates a phone function. The first mobile device 20 can initiate the phone function manually or automatically. Activation of the telephone 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 primary 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The first mobile device 20. Since the phone function is not activated and there is no SIM information, the phone call is not connected to the second mobile device 30.

14D is a SIM information transmission request according to the first mobile device 20 and a SIM information usage 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 of 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, the first and second mobile devices 20 and 30 are connected to each other because the connection is established via short-range wireless communication.

In operation 1433, the second mobile device 30 activates the phone function. The second mobile device 30 can initiate the phone function manually or automatically. 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 that is the child mobile device instead of the first mobile device 20 that is the primary 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The second mobile device 30. Since the phone function is not activated and there is no SIM information, the phone call is not connected to the first mobile device 20.

15 is a schematic diagram for describing a concept of a second scenario in which a first mobile device 20 and a second mobile device 30 pre-stored SIM information transmit a SIM information usage 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 messages in the SIMs 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 separately. SIM 520 and 350. The SIMs 520 and 350 can pre-store the first and second SIM information, respectively, regardless of the activation status of the telephone functions of the first and second mobile devices 20 and 30.

Upon requesting activation of the telephony function of the first mobile device 20 in the dual telephony mode, the first mobile device 20 transmits a request to use the first SIM information to the server 10 of the mobile carrier. When the server 10 of the mobile carrier approves the request to use the first SIM information, the first mobile device 20 can perform the mobile communication function in the dual phone mode.

Upon requesting activation of the telephony function of the second mobile device 30 in the dual telephony mode, the second mobile device 30 transmits a request to use the second SIM information to the server 10 of the mobile carrier. When the server 10 of the mobile carrier approves the request to use the second SIM information, the second mobile device 30 can perform the mobile communication function in the dual phone mode.

FIG. 16A is a diagram showing a mobile communication function performed by the first mobile device 20 according to a SIM information use request of the first mobile device 20 based on a second scenario when the first mobile device 20 and the second mobile device 30 are coupled 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. Also, 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 1604, the first mobile device 20 initiates a phone function. The first mobile device 20 can initiate the phone function manually or automatically. Activation of the telephone 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 primary mobile device.

In operation 1605, the first mobile device 20 transmits a request to use 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 user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The first mobile device 20. Since the second SIM information is not requested to be used, the telephone call is not connected to the second mobile device 30.

FIG. 16B is a diagram illustrating a mobile communication function performed by the second mobile device 30 according to a SIM information use request of the second mobile device 30 based on a second scenario when the first mobile device 20 and the second mobile device 30 are coupled 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. Also, 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 1614, the second mobile device 20 initiates a phone function. The second mobile device 30 can initiate the phone function manually or automatically. Activation of the telephone function of the second mobile device 20 may mean that the user A wants to make a call using the second mobile device 30 that is the child mobile device instead of the first mobile device 20 that is the primary mobile device.

In operation 1615, the second mobile device 30 transmits a request to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The second mobile device 30. Since the first SIM information is not requested to be used, the telephone call is not connected to the first mobile device 20.

16C is a diagram illustrating a mobile communication function performed by the first mobile device 20 according to a SIM information use request of the second mobile device 30 based on a second scenario when the first mobile device 20 and the second mobile device 30 are coupled to each other, according to an exemplary embodiment. The timing of the method.

In operation 1621, the first mobile device 20 stores the first SIM information in the SIM 520. Also, 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 1624, the first mobile device 20 initiates a phone function. The first mobile device 20 can initiate the phone function manually or automatically. Activation of the telephone 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 primary mobile device.

In operation 1625, the second mobile device 30 transmits a request to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The first mobile device 20. Since the second SIM information is not requested to be used, the telephone call is not connected to the second mobile device 30.

16D is a diagram illustrating a mobile communication function performed by the second mobile device 30 according to a SIM information use request of the first mobile device 20 based on a second scenario when the first mobile device 20 and the second mobile device 30 are coupled 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. Also, 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 1634, the second mobile device 20 initiates a phone function. The second mobile device 20 can initiate the phone function manually or automatically. 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 that is the child mobile device instead of the first mobile device 20 that is the primary mobile device.

In operation 1635, the first mobile device 20 transmits a request to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The second mobile device 30. Since the first SIM information is not requested to be used, the telephone call is not connected to the first mobile device 20.

FIG. 17A is a diagram showing a mobile communication function performed by the first mobile device 20 according to a SIM information use request of the first mobile device 20 based on a second scenario 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. Also, 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 1704, the first mobile device 20 initiates a phone function. The first mobile device 20 can initiate the phone function manually or automatically. Activation of the telephone 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 primary 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The first mobile device 20. Since the second SIM information is not requested to be used, the telephone call is not connected to the second mobile device 30.

17B is a diagram illustrating a mobile communication function performed by the second mobile device 30 according to a SIM information use request of the second mobile device 30 based on a second scenario 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. Also, 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 1714, the second mobile device 30 initiates a phone function. The second mobile device 30 can initiate the phone function manually or automatically. 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 that is the child mobile device instead of the first mobile device 20 that is the primary 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The second mobile device 30. Since the first SIM information is not requested to be used, the telephone call is not connected to the first mobile device 20.

17C is a mobile communication function performed by the first mobile device 20 according to the SIM information use request of the second mobile device 30 based on the second scenario 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. Also, 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 1724, the first mobile device 20 initiates a phone function. The first mobile device 20 can initiate the phone function manually or automatically. Activation of the telephone 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 primary 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The first mobile device 20. Since the second SIM information is not requested to be used, the telephone call is not connected to the second mobile device 30.

17D is a diagram illustrating a mobile communication function performed by the second mobile device 30 according to a SIM information use request of the first mobile device 20 based on a second scenario 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. Also, 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 1734, the second mobile device 30 initiates a phone function. The second mobile device 30 can initiate the phone function manually or automatically. 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 that is the child mobile device instead of the first mobile device 20 that is the primary 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to connect to the call. The second mobile device 30. Since the first SIM information is not requested to be used, the telephone call is not connected to the first mobile device 20.

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

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 can pre-store the SIM information regardless of the activation status of the telephone function of the first or second mobile device 20 or 30.

Referring to FIG. 18A, upon requesting activation of the telephone function of the first mobile device 20 in the dual telephone mode, the first mobile device 20 transmits a request to use the first SIM information to the server 10 of the mobile carrier. When the server 10 of the mobile carrier approves the request to use the first SIM information, the first mobile device 20 can perform the mobile communication function in the dual phone mode. Moreover, according to the third scenario, the first mobile device 20 copies and provides the first SIM information to the second mobile device 30 such 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 can perform the mobile communication function in the dual phone mode using the copied first SIM information.

Referring to FIG. 18B, upon requesting activation of the telephony function of the second mobile device 30 in the dual telephony mode, the second mobile device 30 transmits a request to use the second SIM information to the server 10 of the mobile carrier. When the server 10 of the mobile carrier approves the request to use the second SIM information, the second mobile device 30 can perform the mobile communication function in the dual phone mode. Moreover, according to the third scenario, the second mobile device 30 copies and provides the second SIM information to the first mobile device 20 such 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 can perform the mobile communication function in the dual phone mode using the copied second SIM information.

19A is a diagram of borrowing a second mobile device 30 based on a third scenario when transmitting a request to use second SIM information stored in the SIM 350 based on a third scenario, in accordance with an exemplary embodiment. A timing diagram of a method of 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 1904, the first mobile device 20 initiates a phone function. The first mobile device 20 can initiate the phone function manually or automatically. Activation of the telephone 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 primary 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The first mobile device 20. Since the second SIM information is deleted from the SIM 350, the telephone call is not connected to the second mobile device 30.

19B is a diagram for borrowing a first mobile device 20 based on a third scenario when transmitting a request to use second SIM information stored in the SIM 350 based on a third scenario, in accordance with an exemplary embodiment, in accordance with an exemplary embodiment. A timing diagram of a method of 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 1914, the first mobile device 20 initiates a phone function. The first mobile device 20 can initiate the phone function manually or automatically. Activation of the telephone 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 primary 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 to use 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 (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The first mobile device 20. Since the second SIM information is deleted from the SIM 350, the telephone call is not connected to the second mobile device 30.

19C is a diagram of borrowing a request to use 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 coupled to each other, according to an exemplary embodiment. A timing diagram of a method of 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 the dual phone mode.

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

In operation 1924, the second mobile device 30 initiates a phone function. The second mobile device 30 can initiate the phone function manually or automatically. 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 that is the child mobile device instead of the first mobile device 20 that is the primary 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 to use the copied first SIM information to the server 10 of the mobile carrier.

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

In operation 1930, when another mobile device (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The second mobile device 30. Since the first SIM information is deleted from the SIM 520, the telephone call is not connected to the first mobile device 20.

19D is a diagram of borrowing a first mobile device 20 based on a third scenario when the first mobile device 20 transmits a request to use the first SIM information stored in the SIM 520 based on the third scenario, in accordance with an exemplary embodiment. A timing diagram of a method of 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 1934, the second mobile device 30 initiates a phone function. The second mobile device 30 can initiate the phone function manually or automatically. 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 that is the child mobile device instead of the first mobile device 20 that is the primary 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 to use the copied first SIM information to the server 10 of the mobile carrier.

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

In operation 1940, when another mobile device (e.g., user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The second mobile device 30. Since the first SIM information is deleted from the SIM 520, the telephone call is not connected to the first mobile device 20.

20A is a diagram for borrowing a first mobile device 20 based on a third scenario when transmitting a request to use second SIM information stored in the SIM 350 based on a third scenario, according to an exemplary embodiment. A timing diagram of a method of 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 2004, the first mobile device 20 initiates a phone function. The first mobile device 20 can initiate the phone function manually or automatically. Activation of the telephone 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 primary 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 (such as user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The first mobile device 20. Since the second SIM information is deleted from the SIM 350, the telephone call is not connected to the second mobile device 30.

FIG. 20B is a diagram of borrowing a second mobile device 30 based on a third scenario when transmitting a request to use the second SIM information stored in the SIM 520 based on the third scenario, according to an exemplary embodiment. A timing diagram of a method of 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. Also, the second mobile device 30 sets the dual phone mode.

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

In operation 2024, the first mobile device 20 initiates a phone function. The first mobile device 20 can initiate the phone function manually or automatically. Activation of the telephone 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 primary 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 to use 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 user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The first mobile device 20. Since the second SIM information is deleted from the SIM 350, the telephone call is not connected to the second mobile device 30.

20C is a diagram of a second mobile device 30 transmitting a request to use 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 separated from each other, according to an exemplary embodiment. A timing diagram of a method of 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 2044, the second mobile device 30 initiates a phone function. The second mobile device 30 can initiate the phone function manually or automatically. 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 that is the child mobile device instead of the first mobile device 20 that is the primary 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 to use 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 (such as user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The second mobile device 20. Since the first SIM information is deleted from the SIM 520, the telephone call is not connected to the first mobile device 20.

20D is a diagram for borrowing a first mobile device 20 based on a third scenario when transmitting a request to use the first SIM information stored in the SIM 520 based on the third scenario, in accordance with an exemplary embodiment, in accordance with an exemplary embodiment. A timing diagram of a method of 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 2064, the second mobile device 30 initiates a phone function. The second mobile device 30 can initiate the phone function manually or automatically. 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 that is the child mobile device instead of the first mobile device 20 that is the primary 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 to use 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 user B's mobile device 40 of FIG. 1) requests a telephone call telephone number "+82-10-AAAA-BBBB", the mobile carrier's server 10 attempts to call the connection to The second mobile device 20. Since the first SIM information is deleted from the SIM 520, the telephone 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 a first mobile device and a second mobile device, according to another exemplary embodiment.

Referring to Fig. 21, the same telephone number "+82-10-AAAA-BBBB" can 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". Moreover, 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 the value "35 abcdef 465607 8" which is the same as the IMEI of the first device ID information. Moreover, the ICCID of the second SIM information of the second mobile device 30 may have the value "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 telephone number "+82-10-AAAA-BBBB", SIM information having the same ICCID, and device ID information having 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 the first device ID information of the first mobile device 20 and the second mobile device 30 are in FIG. The second device ID information is the same.

22A through 27 are diagrams related to a method in accordance with the illustrative embodiment of Fig. 21.

22A is the same as the first device ID information of the first mobile device 20 and the second device ID information of the second mobile device 30 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 of 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. Also, 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 2206, the first mobile device 20 is set as the preferred 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 represent means for receiving a telephone call to the telephone number "+82-10-AAAA-BBBB".

In operation 2207, since the first mobile device 20 is set as the preferred device, the telephone function of the second mobile device 30 is revoked.

In operation 2208, upon requesting a phone number "+82-10-AAAA-BBBB" from another mobile device (such as user B's mobile device 40 of FIG. 1), the mobile carrier's server 10 attempts to connect to the call. The first mobile device 20. Since the telephone function of the second mobile device 30 is revoked, the telephone call is not connected to the second mobile device 30.

22B is the same as the first device ID information of the first mobile device 20 and the second device ID information of the second mobile device 30 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 of 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. Also, 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 coupled to each other by establishing a connection via short-range wireless communication.

In operation 2216, the second mobile device 30 is set as the preferred 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 represent means for receiving a telephone call to the telephone number "+82-10-AAAA-BBBB".

In operation 2217, since the second mobile device 30 is set as the preferred device, the telephone function of the first mobile device 20 is revoked.

In operation 2218, upon requesting a phone number "+82-10-AAAA-BBBB" from another mobile device (such as user B's mobile device 40 of FIG. 1), the mobile carrier's server 10 attempts to connect to the call. The second mobile device 30. Since the deactivation of the telephone function of the first mobile device 30 is initiated, the telephone call is not connected to the first mobile device 20.

22C is a first example when 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, according to an exemplary embodiment. A timing diagram of a method by which 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. Also, 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 coupled 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 telephone function may indicate a state in which the mobile communication module included in the second mobile device 30 has failed or is turned off.

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

In operation 2228, upon requesting a phone number "+82-10-AAAA-BBBB" from another mobile device (such as user B's mobile device 40 of FIG. 1), the mobile carrier's server 10 attempts to connect to the call. The first mobile device 20. Since the telephone function of the second mobile device 30 is not available, the telephone call is not connected to the second mobile device 30.

22D is a second when 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, according to an exemplary embodiment. A timing diagram of a method by which 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. Also, 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 coupled 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 telephone function may indicate a state in which the mobile communication module included in the second mobile device 30 has failed or is turned off.

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

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

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

22E is a second when 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, according to an exemplary embodiment. A timing diagram of a method by which 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. Also, 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 coupled 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 telephone function may indicate a state in which the mobile communication module included in the first mobile device 20 has failed or is turned off.

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

In operation 2248, upon requesting a phone number "+82-10-AAAA-BBBB" from another mobile device (such as user B's mobile device 40 of FIG. 1), the mobile carrier's server 10 attempts to connect to the call. The second mobile device 30. Since the telephone function of the first mobile device 20 is not available, the telephone call is not connected to the first mobile device 20.

22F is a first example when 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, according to an exemplary embodiment. A timing diagram of a method by which 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. Also, 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 the dual phone mode.

In operation 2255, the first and second mobile devices 20 and 30 are coupled 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 telephone function may indicate a state in which the mobile communication module included in the first mobile device 20 has failed or is turned off.

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

In operation 2258, when requesting a call from the other mobile device (the mobile device 40 of user B of FIG. 1) to the telephone number "+82-10-AAAA-BBBB", the server 10 of the mobile carrier attempts to connect to the first call. Second, the mobile device 30.

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

23 is a block diagram of a second mobile device 30 configured to share a first telephone number of a first mobile device 20 in a mobile communication system, in accordance with an exemplary embodiment.

Referring to FIG. 23, the second mobile device 30 can 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 of the hardware components shown in FIG. The second mobile device 30 of FIG. 23 may be the card phone described above, but is not limited thereto. The second mobile device 30 of Figure 23 can perform the operations of the second mobile device 30, such as described above with reference to Figures 1-22F.

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, from the server 10, second SIM information including subscription information for the first telephone number registered with the mobile communication system.

Upon activation of the telephony function of the second mobile device 30, the communicator 330 transmits a request to use the second SIM information to the server 10 of the mobile carrier to cause the mobile communication function to be performed.

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

In operation 2401, the controller 320 determines whether to cancel the phone function of the first mobile device 20.

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

In operation 2403, upon activation of the telephony function of the second mobile device 30, the communicator 330 requests the server 10 of the mobile carrier to initiate 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 performs the mobile communication function using the activated second SIM information.

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

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

The point in time at which the recent call history is synchronized 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 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 Figure 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 (e.g., a card phone) instead of the first mobile device 20 (e.g., a smart phone).

In operation 2601, the first mobile device 20 stores the most recent call history for the most recent telephone call until the last telephone call when connected to the second mobile device 30.

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 an index of the last telephone call in the most recent call history stored in the second mobile device 30 from the second mobile device 30. Here, the index (or synchronization index) may be ID information that is assigned to classify phone call records in the most recent call history to manage recent call history. Additionally, the first mobile device 20 can store the most recent call history using an index (or synchronization index).

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 telephone 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 it is necessary to synchronize the recent call history. 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 regarding the telephone call history after the index received from the second mobile device 30. This information is about the most recent call history that exists only in the first mobile device 20 and that is not present 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 information regarding the telephone call history received from the first mobile device 20. Thus, the most 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 a call 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 most recent 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 Recent call history. In this case, operations 2604 through 2606 may not be performed.

FIG. 27 is a table illustrating a database of recent call histories 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 telephone number of the incoming and outgoing calls, and may be converted into a database in the form of Table 2700. A synchronization index is assigned to each phone call record. The synchronization index is the ID information assigned to classify the telephone call record, and the first and second mobile devices 20 and 30 can determine whether the recent call history needs to be synchronized by comparing the synchronization index stored therein. The form of the database on the recent call history is not limited to the table 2700 of FIG. 27, and may be in a different form of table or text.

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 coupled to each other, according to an exemplary embodiment.

Referring to Figure 28, the first and second mobile devices 20 and 30 can be linked when the user wants to use the first mobile device 20 (e.g., a smart phone).

In operation 2801, the first mobile device 20, when disconnected from the second mobile device 30, stores a recent call history for the most recent telephone call until the last telephone call.

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 the 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 an index of the last telephone call in the most recent call history stored in the first mobile device 20 from the first mobile device. Here, the index (or synchronization index) may be ID information that is assigned to classify phone call records in the most recent call history to manage recent call history in the first mobile device 20. At the same time, not only the first mobile device 20 but also the second mobile device 30 can manage the recent call history of the second mobile device 30 using an index (or synchronization index).

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 telephone call of the second mobile device 30. In other words, the second mobile device 30 can determine whether the recent call history of the first and second mobile devices 20 and 30 are different from each other based on the received index, or whether it is necessary to synchronize the recent call history of the first and second mobile devices 20 and 30. When the index is 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 regarding the telephone call history after the index received from the first mobile device 20. This information includes information about recent call history that exists only in the second mobile device 30 and that is not present 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 information regarding 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 to the second mobile device 30. In other words, the user can make or receive a call 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 most recent 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. Recent call history. In this case, operations 2804 through 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 Figure 29, first and second mobile devices 20 and 30 are devices that share a telephone number as described above with reference to Figure 1. The wearable device 50 can be a stand-alone or accessory device.

When the wearable device 50 is of a standalone 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 can 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). Thus, 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 terms of the first mobile device 20 (or the second mobile device 30) For the user or 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 considered to share a single phone number.

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

A method of joining calls using the wearable device 50 when the wearable device 50 is a stand-alone type will be described with reference to FIGS. 30, 31, 34, and 35. Further, a method of connecting a call using the wearable device 50 when the wearable device 50 is a mating 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 telephone call by a stand-alone wearable device 50 instead of the first mobile device 20, in accordance with 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 not to the second mobile device 30.

In operation 3001, the wearable device 50 requests the first mobile device 20 to make a connection. 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 most recent call history. Here, the synchronization of the recent call history can be performed in a similar manner as performed between the first and second mobile devices 20 and 30 described above with reference to FIG.

In operation 3003, the wearable device 50 is set as the primary receiving device for receiving a call prior to 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 is unable to receive a call.

In operation 3005, since the wearable device 50 is the primary receiving device, the wearable device 50 is in a standby state.

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

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

In operation 3010, the wearable device 50 picks up an incoming call based on a telephone 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, upon termination of the incoming call, 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 information regarding the terminated incoming call.

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

31 is a timing diagram of a method of performing a telephone call by a stand-alone wearable device rather than a first mobile device, wherein the wearable device is unable to receive a call, in accordance with an exemplary embodiment.

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 not to the second mobile device 30.

In operation 3101, the wearable device 50 requests the first mobile device 20 to make a connection.

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

In operation 3103, the wearable device 50 is set as the primary receiving device for receiving a call prior to 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 is unable to receive a call.

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

In operation 3106, when an external source (e.g., a third party) requests a telephone call, the server 10 of the mobile carrier transmits a telephone call request to the wearable device 50 that is set as the primary receiving device.

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

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

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

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

In operation 3111, the server 10 retransmits the telephone call request to the first mobile device 20 that is set as the standby receiving device.

In operation 3112, the first mobile device 20 picks up an incoming call based on a telephone 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, upon the termination of the incoming call, 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 information regarding the terminated incoming call.

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

32 is a sequence diagram of a method of performing a telephone call by a first mobile device 20 connected to a wearable wearable device 50, in accordance with an exemplary embodiment.

Referring to FIG. 32, it is assumed that the mating type wearable device 50 can only be connected to the first mobile device 20 and not 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, the server 10 of the mobile carrier transmits a telephone call request to the first mobile device 20 when an external source (e.g., a third party) requests a telephone call. Because the wearable device 50 is a complementary type to that of FIGS. 30 and 31, the server 10 that moves the carrier may not transmit the telephone call request directly to the wearable device 50.

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

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

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

In operation 3210, upon the termination of the incoming call, 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 information regarding the terminated incoming call.

In operation 3212, the first mobile device 20 also updates the recent call history based on information regarding 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 wearable device 50, in accordance with an exemplary embodiment.

Referring to FIG. 33, it is assumed that the mating type 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 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, the server 10 of the mobile carrier transmits a telephone call request to the first mobile device 20 when an external source (e.g., a third party) requests a telephone call. Because the wearable device 50 is a complementary type to that of FIGS. 30 and 31, the server 10 that moves the carrier may not transmit the telephone call request directly to the wearable device 50.

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

In operation 3305, the first mobile device 20 transmits information regarding 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 answers the incoming call using the wearable device 50.

In operation 3308, the first mobile device 20 transfers the telephone 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, upon termination of the incoming call, 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 information regarding the terminated incoming call.

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

FIG. 34 is a timing diagram of a method of performing a telephone call by a stand-alone wearable device 50 rather than a second mobile device 30 for a card phone, in accordance with an exemplary embodiment.

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

In operation 3401, the wearable device 50 requests the second mobile device 30 to make a connection. 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 most recent call history. Synchronization of the recent call history may be performed in a similar manner as performed between the first and second mobile devices 20 and 30 described above with reference to FIG.

In operation 3403, the wearable device 50 is set as the primary receiving device for receiving a call prior to 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 is unable to receive a call.

In operation 3405, since the wearable device 50 is the primary receiving device, the wearable device 50 is in a standby state.

In operation 3406, when an external source (e.g., a third party) requests a telephone call, the server 10 of the mobile carrier transmits a telephone call request to the wearable device 50 that is set as the primary receiving device. According to FIG. 34, the telephone number of the second mobile device 30 is "+82-10-AAAA-BBBB", and the telephone number of the wearable device 50 is "+82-10-CCCC-DDDD". However, as described above with reference to FIG. 29, the server 10 of the mobile carrier maps the telephone numbers of the second mobile device 30 and the wearable device 50, and manages the primary phones of the second mobile device 30 and the user of the wearable device 50. The number is "+82-10-AAAA-BBBB", which is the telephone number of the first mobile device 20, so the external source (third party) may not realize that "+82-10-CCCC-DDDD" is worn. The telephone number of the device 50. In other words, the external source (third party) calls the second mobile device 30 or the wearable device 50 using only the telephone number "+82-10-AAAA-BBBB".

In operation 3407, the wearable device 50 notifies the user of the 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 picks up an incoming call based on a telephone 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, upon termination of the incoming call, 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 information regarding the terminated incoming call.

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

35 is a timing diagram of a method of performing a telephone call by a stand-alone wearable device 50 instead of a second mobile device 30, wherein the wearable device 50 is unable to receive a call, in accordance with an exemplary embodiment.

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 make a connection.

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

In operation 3503, the wearable device 50 is set as the primary receiving device for receiving a call prior to the second mobile device 30.

In operation 3504, the second mobile device 30 is configured as a backup receiving device for receiving a call when the wearable device 50 is unable to receive a call.

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

In operation 3506, when an external source (e.g., a third party) requests a telephone call, the server 10 of the mobile carrier transmits a telephone call request to the wearable device 50 that is set as the primary receiving device.

In operation 3507, the wearable device 50 notifies the user of the 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 hear an incoming call within a certain time period, the server 10 of the mobile carrier changes the receiving device to the second mobile device 30, which is the standby receiving device.

In operation 3511, the server 10 retransmits the telephone call request to the second mobile device 30 that is set as the standby receiving device.

In operation 3512, the second mobile device 30 answers the incoming call based on the telephone 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, upon the termination of the incoming call, 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 information regarding 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 telephone call by a second mobile device 30 connected to a wearable wearable device 50, in accordance with an exemplary embodiment.

Referring to FIG. 36, it is assumed that the mating type wearable device 50 is only connectable to the second mobile device 30 and is not connectable 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, the server 10 of the mobile carrier transmits a telephone call request to the second mobile device 30 when an external source (e.g., a third party) requests a telephone call. Because the wearable device 50 is a companion type, the server 10 that moves the carrier may not transmit the phone call request directly 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 the incoming call.

In operation 3607, the user of the second mobile device 30 answers the incoming call using the second mobile device 30.

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

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

In operation 3610, upon the termination of the incoming call, 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 information regarding the terminated incoming call.

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

FIG. 37 is a sequence diagram of a method of receiving a call to a second mobile device 30 by a wearable wearable device 50, in accordance with an exemplary embodiment.

Referring to FIG. 37, it is assumed that the mating type wearable device 50 is only connectable to the second mobile device 30 and is not connectable 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 (e.g., a third party) requests a telephone call, the server 10 of the mobile carrier transmits a telephone call request to the second mobile device 30. Because the wearable device 50 is a companion type, the server 10 that moves the carrier may not transmit the phone call request directly 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 answers the incoming call using the wearable device 50.

In operation 3708, the second mobile device 30 transfers the telephone 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, upon termination of the incoming call, 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 information regarding 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, since a user can use a plurality of mobile devices in a mobile communication system using one telephone number without having to manage several mobile devices having different phone numbers, having a plurality of mobile devices The user can receive the mobile communication service via one of several mobile devices based on his/her context. Moreover, the inconvenience of managing different phone numbers of several mobile devices can be reduced, and other users do not have to remember different phone numbers.

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

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

While a particular illustrative embodiment has been shown and described, it will be understood by those skilled in the art that the invention may be in the form of the spirit and scope of the invention as defined by the following claims and their equivalents. And make various changes in the details. Therefore, it will be understood that the specific illustrative embodiments described above are not limited. For example, each component described in a single type can be executed in a distributed fashion, and distributed description components can also be implemented in an integrated fashion.

The scope of the present invention is defined by the scope of the claims and the equivalents thereof, and the description of the claims In the category.

1‧‧‧Mobile communication system
10‧‧‧Server
20‧‧‧First mobile device
30‧‧‧Second mobile device
40‧‧‧Mobile devices
50‧‧‧Wearing device
310‧‧‧User Interface (UI)
311‧‧‧ display
313‧‧‧Input interface
315‧‧‧Touch screen
320‧‧‧ Controller
330‧‧‧Communicator
340‧‧‧ memory
350‧‧‧User Identification Module (SIM)
510‧‧‧ memory
520‧‧‧User Identification 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

1 is a schematic diagram for describing a mobile communication system in which different mobile devices make calls using the same telephone number, in accordance with an exemplary embodiment. 2 is a schematic diagram for describing a second mobile device of user A, in accordance with an exemplary embodiment. FIG. 3 is a schematic diagram for describing a second mobile device of user A, according to another exemplary embodiment. 4 is a block diagram of a second mobile device, in accordance with an exemplary embodiment. FIG. 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. 6 is a sequence diagram of a method of calling a mobile device of a user B from a first mobile device and a second mobile device on a mobile communication system, the first mobile device and a second mobile device, in accordance with an exemplary embodiment Have the same phone number and are owned by User A. FIG. 7 is a schematic diagram for describing a server that manages 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 linking 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, in accordance with an exemplary embodiment. 9 is a schematic diagram for describing a phone function of a first mobile device or a phone function of a second mobile device manually in a dual phone mode, in accordance with an exemplary embodiment. 10A is a flowchart of a method of launching a phone function of a first mobile device or a phone function of a second mobile device in a dual phone mode, in accordance with an exemplary embodiment. FIG. 10B is a schematic diagram for describing a state of activating a phone function of a first mobile device among first mobile devices and second mobile devices that are connected to each other in a dual-telephone mode, according to an exemplary embodiment. 10C is a schematic diagram for describing a state of activating a telephone function of a second mobile device among a first mobile device and a second mobile device that are connected to each other in a dual telephone mode, according to an exemplary embodiment. FIG. 10D is a schematic diagram for describing a state of activating a telephone function of a first mobile device among first mobile devices and second mobile devices separated from each other in a dual telephone mode, according to an exemplary embodiment. 10E is a schematic diagram for describing a state of activating a telephone function of a second mobile device among first mobile devices and second mobile devices separated from each other in a dual telephone mode, according to an exemplary embodiment. FIG. 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 a first mobile device and a second mobile device, according to another exemplary embodiment. 12A and 12B are schematic diagrams for describing a concept of a first scenario 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 usage request, in accordance with an exemplary embodiment. FIG. 13A is a flowchart of performing a mobile communication by a first mobile device according to a SIM information transmission request of a first mobile device and a SIM information use request according to a first scenario when the first mobile device and the second mobile device are connected to each other, according to an exemplary embodiment; A timing diagram of the functional method. FIG. 13B is a flowchart of performing a mobile communication by a second mobile device according to a SIM information transmission request and a SIM information use request of a second mobile device based on a first 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 the functional method. 13C is a first embodiment of a SIM information transmission request according to a second mobile device and a SIM information usage request of a first mobile device based on a first scenario when the first mobile device and the second mobile device are connected to each other by the first A timing diagram of a method by which a mobile device performs a mobile communication function. FIG. 13D illustrates a SIM information transmission request according to a first mobile device and a SIM information usage request of a second mobile device by a second scenario 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 by which a mobile device performs a mobile communication function. FIG. 14A is a flowchart of performing a mobile communication by a first mobile device according to a SIM information transmission request of a first mobile device and a SIM information use request according to a first scenario, when the first mobile device and the second mobile device are separated from each other, according to an exemplary embodiment. A timing diagram of the functional method. FIG. 14B is a flowchart of performing a mobile communication by a second mobile device according to a SIM information transmission request and a SIM information use request of a second mobile device based on a first scenario, when the first mobile device and the second mobile device are separated from each other, according to an exemplary embodiment A timing diagram of the functional method. 14C is a first embodiment of a SIM information transmission request according to a second mobile device and a SIM information usage request of the first mobile device by the first scenario when the first mobile device and the second mobile device are separated from each other by the first A timing diagram of a method by which a mobile device performs a mobile communication function. 14D is a second embodiment of the SIM information transmission request according to the first mobile device and the SIM information usage request of the second mobile device by the second scenario when the first mobile device and the second mobile device are separated from each other by the second scenario, according to an exemplary embodiment. A timing diagram of a method by which a mobile device performs a mobile communication function. 15 is a schematic diagram for describing a concept of a second scenario 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, in accordance with an exemplary embodiment. 16A is a timing diagram of a method of performing a mobile communication function by a first mobile device according to a SIM information use request of a first mobile device based on a second scenario when the first mobile device and the second mobile device are coupled to each other, according to an exemplary embodiment Figure. 16B is a timing diagram of a method for performing a mobile communication function by a second mobile device according to a second scenario of a SIM information usage request of a second mobile device when the first mobile device and the second mobile device are coupled to each other, according to an exemplary embodiment. Figure. 16C is a timing diagram of a method for performing a mobile communication function by a first mobile device according to a second scenario of a SIM information usage request of a second mobile device when the first mobile device and the second mobile device are coupled to each other, according to an exemplary embodiment Figure. 16D is a timing diagram of a method of performing a mobile communication function by a second mobile device according to a SIM information usage request of a first mobile device based on a second scenario when the first mobile device and the second mobile device are coupled to each other, according to an exemplary embodiment Figure. FIG. 17A is a timing diagram of a method of performing a mobile communication function by a first mobile device according to a SIM information use request of a first mobile device based on a second scenario when the first mobile device and the second mobile device are separated from each other, according to an exemplary embodiment. Figure. 17B is a timing diagram of a method of performing a mobile communication function by a second mobile device according to a second scenario of a SIM information usage 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. Figure. 17C is a timing diagram of a method for performing a mobile communication function by a first mobile device according to a second scenario of a SIM information usage 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. Figure. 17D is a timing diagram of a method of performing a mobile communication function by a second mobile device based on a SIM information usage request of a first mobile device based on a second scenario when the first mobile device and the second mobile device are separated from each other, according to an exemplary embodiment. Figure. 18A and 18B are diagrams for describing a concept of a third scenario in which SIM information is pre-stored in any of a first mobile device and a second mobile device, in accordance with an exemplary embodiment. FIG. 19A is a diagram of a method for borrowing a second mobile device using a second SIM information stored in a second downloadable SIM based on a third scenario when the first mobile device and the second mobile device are coupled to each other, according to an exemplary embodiment. A timing diagram of a method of performing a mobile communication function by a first mobile device. FIG. 19B is a diagram of borrowing a request for storing a second SIM information stored in a second downloadable SIM based on a third scenario when the first mobile device and the second mobile device are coupled to each other, according to an exemplary embodiment. A timing diagram of a method of performing a mobile communication function by a first mobile device. FIG. 19C is a diagram illustrating a second mobile device transmitting a request to use the first SIM information stored in the first downloadable SIM based on the third scenario when the first mobile device and the second mobile device are coupled to each other, according to an exemplary embodiment. A timing diagram of a method of performing a mobile communication function by a second mobile device. 19D is a diagram of borrowing a first mobile device and transmitting a first SIM information stored in a first downloadable SIM based on a third scenario when the first mobile device and the second mobile device are coupled to each other, according to an exemplary embodiment. A timing diagram of a method of performing a mobile communication function by a second mobile device. 20A is a diagram of borrowing a request by a first mobile device to transmit a second SIM information stored in a second downloadable SIM based on a third scenario 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 of performing a mobile communication function by a first mobile device. 20B is a diagram of borrowing a second mobile device based on a third scenario when transmitting a request to use second SIM information stored in a second downloadable SIM based on a third scenario, according to an exemplary embodiment. A timing diagram of a method of performing a mobile communication function by a first mobile device. 20C is a diagram of borrowing a request by the second mobile device to transmit the first SIM information stored in the first downloadable SIM based on the third scenario 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 of performing a mobile communication function by a second mobile device. 20D is a diagram of borrowing a first mobile device based on a third scenario when the first mobile device transmits a request to use the first SIM information stored in the first downloadable SIM based on the third scenario, according to an exemplary embodiment. A timing diagram of a method of 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 a first mobile device and a second mobile device, according to another exemplary embodiment. FIG. 22A is a diagram of performing a movement by a 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 both the first and second mobile devices are available, according to an exemplary embodiment. Timing diagram of the method of communication function. FIG. 22B is a second mobile device performing mobile 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 all available, according to an exemplary embodiment. Timing diagram of the method of communication function. 22C is a diagram of performing a mobile communication function by a 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. 22D is a diagram illustrating a mobile communication function performed by a 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. 22E is a second embodiment of the 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. 22F is a diagram of performing a mobile communication function by a 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, in accordance with an exemplary embodiment. 24 is a flowchart of a method of providing a mobile communication service using a second mobile device sharing a first telephone number of a first mobile device, in accordance with 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. 27 is a table of a database of recent call histories stored in a device, in accordance with an exemplary embodiment. 28 is a flowchart of a method of synchronizing recent call history when a first mobile device and a second mobile device are coupled to each other, in accordance with an exemplary embodiment. FIG. 29 is a schematic diagram for describing a mobile communication system including a wearable device, according to an exemplary embodiment. 30 is a timing diagram of a method of performing a telephone call by a stand-alone wearable device rather than a first mobile device, in accordance with an exemplary embodiment. 31 is a sequence diagram of a method of performing a telephone call when a wearable device is unable to receive a call, in accordance with an exemplary embodiment. 32 is a sequence diagram of a method of performing a telephone call by a first mobile device connected to a wearable wearable device, in accordance with an exemplary embodiment. FIG. 33 is a sequence diagram of a method of receiving a call to a first mobile device by a wearable wearable device, in accordance with an exemplary embodiment. Figure 34 is a timing diagram of a method of performing a telephone call by a stand-alone wearable device rather than a second mobile device for a card phone, in accordance with an exemplary embodiment. 35 is a sequence diagram of a method of performing a telephone call in place of a second mobile device when the wearable device is unable to receive a call, in accordance with an exemplary embodiment. FIG. 36 is a sequence diagram of a method of performing a telephone call by a second mobile device connected to a wearable wearable device, in accordance with an exemplary embodiment. FIG. 37 is a sequence diagram of a method of receiving a call to a second mobile device by a wearable wearable device, in accordance with an exemplary embodiment.

1‧‧‧Mobile communication system

10‧‧‧Server

20‧‧‧First mobile device

30‧‧‧Second mobile device

40‧‧‧Mobile devices

Claims (12)

A mobile device configured to share a telephone number of another mobile device in a mobile communication system, the mobile device comprising: a communicator configured to download a subscriber identification module from a server Module; SIM) information, the downloaded SIM information being shared with the another mobile device; and a controller, 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 initiate the call function of the mobile device based on the downloaded SIM information. The mobile device of claim 1, further comprising a subscriber identity module (SIM) configured to receive the SIM information from the server and store the SIM information, wherein the SIM information Including subscription information for the mobile device, the mobile device corresponding to the telephone number on the mobile communication system in which the other mobile device and the mobile device are present. The mobile device of claim 2, wherein the communicator is further configured to: transmit a request to use the SIM information to the server when receiving the SIM information; and The server receives an approval to perform the call function. The mobile device of claim 1, further comprising a storage, wherein the storage stores device identification (ID) information, the ID information having a device ID with the another mobile device a different value of the information, wherein the device ID information of the another mobile device includes at least one of a serial number of the another mobile device and an international mobile equipment identity (IMEI), and the mobile 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: connect to the another mobile device using short-range wireless communication; exchange with the another mobile device for the another mobile Information about an activation state of the call function of the device and an activation state of the call function of the mobile device; and the controller is further configured to initiate the call of the mobile device based on the exchange information Features. The mobile device of claim 5, wherein the controller is further configured to automatically initiate the call of the mobile device in response to determining to deactivate the call function of the another mobile device Features. The mobile device of claim 1, further comprising a subscriber identity module (SIM) configured to: receive the SIM information from the server regardless of the mobile device An activation state of the call function; and pre-storing the received SIM information. The mobile device of claim 7, wherein the communicator is further configured to: transmit a request to use the pre-stored SIM information in response to initiating the call function of the mobile device; The call function is performed in response to receiving an approval from the server. The mobile device of claim 2, wherein the communicator is further configured to receive the SIM information from the another mobile device in response to initiating the call function of the mobile device. The mobile device of claim 9, wherein the communicator is further configured to: responsive to receiving the SIM information from the another mobile device, using one of the received SIM information Requesting transmission to the server; and performing the call function in response to receiving an approval from the server. The mobile device of claim 9, wherein the communicator is further configured to activate the call function of the another mobile device in response to storing the SIM information 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 of providing a mobile communication service, the mobile device being adapted to share a phone number with another mobile device, the method comprising: downloading a subscriber identification module (SIM) information from a server, The downloaded SIM information is shared with the another mobile device; determining whether the mobile device is a device that performs a call function in response to a call request; and determining that the mobile device is responsive to the call request The means for performing the call function, initiating the call function of the mobile device based on the downloaded SIM information.