KR102345651B1 - Mobile telecommunication system, different mobile devices for sharing same phone number on mobile telecommunication system and method for providing mobile telecommunication service on different mobile devices sharing same phone number - Google Patents

Abstract

A mobile communication system includes a first mobile device performing a mobile communication function using first SIM information for a phone number, a second mobile device performing a mobile communication function using second SIM information for the same phone number, and and a server that receives any one of a request for use of the first SIM information and a request for use of the second SIM information, and connects a phone call to the mobile device that transmitted the use request when a phone call is requested to this phone number.

Description

A method of providing a mobile communication service in a mobile communication system, different mobile devices sharing the same phone number on the mobile communication system, and different mobile devices sharing the same phone number {Mobile　telecommunication system, different mobile devices for sharing same phone number on mobile　telecommunication system and method for providing mobile　telecommunication service on different mobile devices sharing same phone number}

It relates to a mobile communication system and different mobile devices sharing the same phone number on the mobile communication system.

Information and communication technology based on digital is developing non-stop day by day. Currently, people from all over the world are living in the age of information innovation shown by mobile phones and the Internet, and smartphones and tablet devices, which combine the functions of mobile phones and the Internet, are already expanding the scope of their use, mainly among the younger generation. Recently, devices of a new paradigm, such as a wearable device, have not been introduced before. Even if consumers already own a smartphone, they want to purchase and own additional devices of this new paradigm. Therefore, research is being conducted on how devices of a new type or a new paradigm can be fused with existing smart phones and tablet devices to penetrate into the daily life of consumers.

An object of the present invention is to provide a mobile communication system and different mobile devices sharing the same phone number on the mobile communication system. The technical problem to be achieved by this embodiment is not limited to the technical problems as described above, and other technical problems may be inferred from the following embodiments.

According to one aspect, the second mobile device sharing the phone number of the first mobile device existing on the mobile communication system determines whether the phone function of the first mobile device is inactivated and the same as the first mobile device. a control unit for activating a phone function of the second mobile device to which a phone number is assigned; and a communication unit configured to perform a mobile communication function using the phone number when the phone function of the second mobile device is activated.

In addition, on a mobile communication system in which the first mobile device and the second mobile device exist, SIM (Subscriber Identification Module) information including subscription information of the second mobile device for the phone number is received from the server and stored It further includes a SIM that does.

Also, when the phone function of the second mobile device is activated, the communication unit receives the SIM information from the server, and the SIM stores the received SIM information.

Also, when the phone function of the second mobile device is activated, the communication unit receives the SIM information by requesting the server to transmit the SIM information.

In addition, when the SIM information is received, the communication unit performs the mobile communication function by sending a request to use the SIM information to the server.

Also, the second mobile device has second device identification information set to a value different from that of the first device identification information of the first mobile device.

In addition, each of the first device identification information and the second device identification information includes at least one of a serial number and an international mobile equipment identity (IMEI) of the first mobile device and the second mobile device, respectively.

In addition, the communication unit is connected to the first mobile device using short-range wireless communication, and the activated states of the connected first mobile device and the telephone function of the first mobile device and the telephone function of the second mobile device information is exchanged, and the control unit activates the phone function of the second mobile device based on the exchanged information.

Also, when it is determined that the phone function of the first mobile device is deactivated, the controller automatically activates the phone function of the second mobile device.

In addition, further comprising a user interface unit for providing a pop-up user interface (UI) for setting the activation of the phone function, the control unit when the setting for activating the phone function is input through the pop-up UI, the second Activate the phone function of the mobile device.

The method further includes a SIM for receiving and storing SIM information from the server in advance regardless of activation of the phone function of the second mobile device.

In addition, when the phone function of the second mobile device is activated, the communication unit performs the mobile communication function by transmitting a request to use the pre-stored SIM information to the server.

Also, when the phone function of the second mobile device is activated, the communication unit receives SIM information from the first mobile device.

In addition, when the SIM information is received from the first mobile device, the communication unit performs the mobile communication function by transmitting a request to use the received SIM information to the server.

Also, when the phone function of the first mobile device is activated while the SIM information is stored in the SIM, the communication unit transmits the stored SIM information to the first mobile device, and the control unit transmits the stored SIM information to the SIM in the SIM. Delete information.

According to another aspect, a mobile communication system includes: a first mobile device performing a mobile communication function using first subscriber identification module (SIM) information including subscription information on the mobile communication system for a phone number; a second mobile device performing the mobile communication function using second SIM information including the subscription information for the phone number; and receiving one of a request for use of the first SIM information and a request for use of the second SIM information, and connecting the phone call to the mobile device that transmitted the use request when a phone call is requested to the phone number. Includes server.

In addition, the first mobile device requests transmission of the first SIM information from the server when the phone function of the first mobile device is activated, and when the requested first SIM information is received, the received first SIM information is received. 1 transmits the request for use of SIM information to the server, and the second mobile device requests transmission of the second SIM information from the server when the phone function of the second mobile device is activated; When the second SIM information is received, the request for use of the received second SIM information is transmitted to the server.

In addition, each of the first mobile device and the second mobile device receives and stores each of the first SIM information and the second SIM information from the server in advance regardless of activation of a phone function, the first mobile device and When the phone function is activated in any one of the second mobile devices, any one of a request for use of the first SIM information and a request for use of the second SIM information is transmitted to the server.

In addition, any one of the first mobile device and the second mobile device receives and stores the first SIM information or the second SIM information from the server regardless of activation of a phone function, and stores the first SIM information in advance. SIM information or the pre-stored second SIM information is exchanged between the first mobile device and the second mobile device.

According to another aspect, a method of providing a mobile communication service in a second mobile device sharing a phone number of a first mobile device includes: determining whether a phone function of the first mobile device is deactivated; activating the phone function of the second mobile device based on the determination result; and performing a mobile communication function using the phone number when the phone function of the second mobile device is activated.

According to the above, since multiple mobile devices can be used on the mobile communication system with only one phone number without having to be managed with different phone numbers for each of the multiple mobile devices that the user wants to use on the mobile communication system, A user who owns multiple mobile devices may be provided with a mobile communication service in turn using a preferred mobile device according to the situation. In addition, it is possible to reduce the inconvenience of the user having to manage phone numbers one by one for each of the plurality of mobile devices owned by the user, and the inconvenience of having to memorize many phone numbers for other users can also be reduced.

1 is a diagram for describing a mobile communication system in which different mobile devices can make a call using the same single phone number, according to some embodiments.
2 is a diagram for describing a second mobile device of user A according to some embodiments.
3 is a diagram for describing a second mobile device of user A according to another exemplary embodiment.
4 is a diagram for describing a hardware configuration of a second mobile device according to some embodiments.
5 is a diagram for describing device identification information and SIM information stored in each of a first mobile device and a second mobile device, according to some embodiments.
6 is a view for explaining a method for a first mobile device and a second mobile device owned by a user A having the same phone number to perform a phone call with a mobile device of another user B on a mobile communication system according to some embodiments to be.
7 is a diagram for explaining management of mobile devices owned by user A in a server of a mobile communication service provider according to some embodiments.
8A is a diagram for describing a case in which a first mobile device and a second mobile device are combined in a two-phone use mode according to some embodiments.
8B is a diagram for explaining a case in which a first mobile device and a second mobile device are separated according to a two-phone use mode according to some embodiments.
9 is a diagram for explaining passively activating a phone function of a first mobile device or a phone function of a second mobile device in a two-phone use mode, according to some embodiments.
10A is a diagram for describing a method of activating a phone function of a first mobile device or a phone function of a second mobile device in a two-phone use mode, according to some embodiments.
FIG. 10B is a diagram for describing a case in which a phone function of a first mobile device among a first mobile device and a second mobile device coupled to each other is activated in a two-phone use mode, according to some embodiments.
FIG. 10C is a diagram for explaining a case in which a phone function of a second mobile device among a first mobile device and a second mobile device coupled to each other is activated in a two-phone use mode, according to some embodiments.
10D is a diagram for explaining a case in which a phone function of a first mobile device is activated among a first mobile device and a second mobile device separated from each other in a two-phone use mode, according to some embodiments.
FIG. 10E is a diagram for explaining a case in which a phone function of a second mobile device of a first mobile device and a second mobile device separated from each other is activated in a two-phone use mode, according to some embodiments.
11A is a diagram for describing device identification information and SIM information stored in each of a first mobile device and a second mobile device, according to some embodiments.
11B is a diagram for describing device identification information and SIM information stored in each of a first mobile device and a second mobile device, according to another exemplary embodiment.
12 illustrates a concept of a first scenario of receiving SIM information from a server of a mobile communication operator and transmitting a request for use of SIM information in a first mobile device and a second mobile device in which SIM information is not stored, according to some embodiments; It is a drawing for explanation.
13A is a diagram illustrating a first mobile device by a request to transmit SIM information and a request to use SIM information of a first mobile device based on a first scenario in a state in which a first mobile device and a second mobile device are coupled, according to some embodiments; It is a diagram for explaining a method of performing a mobile communication function.
13B is a diagram illustrating a second mobile device by a request to transmit SIM information and a request to use SIM information of a second mobile device based on a first scenario in a state in which the first mobile device and the second mobile device are coupled, according to some embodiments; It is a diagram for explaining a method of performing a mobile communication function.
FIG. 13C illustrates a request for transmitting SIM information of a second mobile device and a request for use of SIM information of a first mobile device based on a first scenario in a state in which the first mobile device and the second mobile device are coupled according to some embodiments; It is a diagram for explaining a method for a first mobile device to perform a mobile communication function.
FIG. 13D illustrates a request for transmitting SIM information of a first mobile device and a request for use of SIM information of a second mobile device based on a first scenario in a state in which the first mobile device and the second mobile device are coupled according to some embodiments; It is a diagram for explaining a method for a second mobile device to perform a mobile communication function.
14A is a diagram illustrating a first mobile device by a request to transmit SIM information and a request to use SIM information of a first mobile device based on a first scenario in a separated state after a first mobile device and a second mobile device are coupled, according to some embodiments; It is a diagram for explaining a method for a mobile device to perform a mobile communication function.
14B is a diagram illustrating a second mobile device by a request to transmit SIM information and a request to use SIM information of a second mobile device based on a first scenario in a state in which the first mobile device and the second mobile device are separated, according to some embodiments; It is a diagram for explaining a method of performing a mobile communication function.
14C illustrates a request for transmitting SIM information of a second mobile device and a request for use of SIM information of a first mobile device based on a first scenario in a state in which the first mobile device and the second mobile device are separated according to some embodiments; It is a diagram for explaining a method for a first mobile device to perform a mobile communication function.
14D is a diagram illustrating a request for SIM information transmission of a first mobile device and a request for use of SIM information of a second mobile device based on a first scenario in a state in which the first mobile device and the second mobile device are separated according to some embodiments; It is a diagram for explaining a method for a second mobile device to perform a mobile communication function.
15 is a diagram for explaining a concept of a second scenario in which a request for use of SIM information is transmitted to a server of a mobile communication service provider in a first mobile device and a second mobile device in which SIM information is stored in advance, according to some embodiments .
16A illustrates a first mobile device performing a mobile communication function in response to a request for use of SIM information of a first mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are coupled, according to some embodiments; It is a drawing for explaining how to do it.
16B illustrates a second mobile device performing a mobile communication function in response to a request for use of SIM information of a second mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are combined, according to some embodiments; It is a drawing for explaining how to do it.
16C illustrates a first mobile device performing a mobile communication function in response to a request for use of SIM information of a second mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are combined, according to some embodiments; It is a drawing for explaining how to do it.
16D illustrates a second mobile device performing a mobile communication function in response to a request for use of SIM information of a first mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are combined, according to some embodiments; It is a drawing for explaining how to do it.
17A is a diagram illustrating mobile communication of a first mobile device by a request for use of SIM information of a first mobile device based on a second scenario in a state in which a first mobile device and a second mobile device are combined and then separated according to some embodiments; It is a diagram for explaining a method of performing a function.
17B illustrates a second mobile device performing a mobile communication function in response to a request for use of SIM information of a second mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are separated, according to some embodiments; It is a drawing for explaining how to do it.
17C illustrates a first mobile device performing a mobile communication function in response to a request for use of SIM information of a second mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are separated, according to some embodiments; It is a drawing for explaining how to do it.
17D illustrates a second mobile device performing a mobile communication function in response to a request for use of SIM information of a first mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are separated, according to some embodiments; It is a drawing for explaining how to do it.
18 is a diagram for explaining a concept of a third scenario in which SIM information is pre-stored in only one of a first mobile device and a second mobile device, according to some embodiments.
19A illustrates a second request for use of second SIM information stored in a second downloadable SIM (SIM 2) based on a third scenario in a state in which a first mobile device and a second mobile device are combined, according to some embodiments; It is a diagram for explaining a method in which the first mobile device performs a mobile communication function by transmitting from the mobile device.
19B illustrates a first request for use of second SIM information stored in a second downloadable SIM (SIM 2) based on a third scenario in a state in which the first mobile device and the second mobile device are combined, according to some embodiments; It is a diagram for explaining a method in which the first mobile device performs a mobile communication function by transmitting from the mobile device.
19C illustrates a second request for use of first SIM information stored in a first downloadable SIM (SIM 1) based on a third scenario in a state in which the first mobile device and the second mobile device are coupled, according to some embodiments; It is a diagram for explaining a method for a second mobile device to perform a mobile communication function by transmitting from a mobile device.
19D illustrates a first request for use of first SIM information stored in a first downloadable SIM (SIM 1) based on a third scenario in a state in which a first mobile device and a second mobile device are combined, according to some embodiments; It is a diagram for explaining a method for a second mobile device to perform a mobile communication function by transmitting from a mobile device.
20A illustrates a first request for use of second SIM information stored in a second downloadable SIM 2 based on a third scenario in a state in which a first mobile device and a second mobile device are separated, according to some embodiments; It is a diagram for explaining a method in which the first mobile device performs a mobile communication function by transmitting from the mobile device.
20B illustrates a second request for use of second SIM information stored in a second downloadable SIM (SIM 2) based on a third scenario in a state in which the first mobile device and the second mobile device are combined, according to some embodiments; It is a diagram for explaining a method in which the first mobile device performs a mobile communication function by transmitting from the mobile device.
20C illustrates a second request for use of first SIM information stored in a first downloadable SIM (SIM 1) based on a third scenario in a state in which the first mobile device and the second mobile device are separated according to some embodiments; It is a diagram for explaining a method for a second mobile device to perform a mobile communication function by transmitting from a mobile device.
20D illustrates a first request for use of first SIM information stored in a first downloadable SIM 1 (SIM 1) based on a third scenario in a state in which the first mobile device and the second mobile device are separated, according to some embodiments; It is a diagram for explaining a method for a second mobile device to perform a mobile communication function by transmitting from a mobile device.
21 is a diagram for describing device identification information and SIM information stored in each of a first mobile device and a second mobile device, according to another exemplary embodiment.
22A illustrates a mobile communication function of the first mobile device in a state in which both the phone functions of the first mobile device and the second mobile device are available when device identification information of the first mobile device and the second mobile device are the same, according to some embodiments; It is a diagram for explaining a method of performing the
22B is a diagram illustrating a mobile communication function of a second mobile device in a state in which both the phone functions of the first mobile device and the second mobile device are available when device identification information of the first mobile device and the second mobile device are the same, according to some embodiments; It is a diagram for explaining a method of performing the
22C illustrates a method of a first mobile device performing a mobile communication function in a state in which only a phone function of the first mobile device is available when device identification information of a first mobile device and a second mobile device are identical, according to some embodiments; It is a drawing for explanation.
22D illustrates a method of a second mobile device performing a mobile communication function in a state in which only a phone function of the first mobile device is available when device identification information of a first mobile device and a second mobile device are identical according to some embodiments; It is a drawing for explanation.
22E illustrates a method of a second mobile device performing a mobile communication function in a state in which only a phone function of a second mobile device is available when device identification information of a first mobile device and a second mobile device are identical according to some embodiments; It is a drawing for explanation.
22F illustrates a method of a first mobile device performing a mobile communication function in a state in which only a phone function of a second mobile device is available when device identification information of a first mobile device and a second mobile device are identical according to some embodiments; It is a drawing for explanation.
23 is a diagram for describing a hardware configuration of a second mobile device sharing a first phone number of a first mobile device existing on a mobile communication system according to another exemplary embodiment.
24 is a flowchart of a method of providing a mobile communication service using a second mobile device sharing a first phone number of a first mobile device, according to some embodiments.
25 is a diagram for explaining synchronization of recent call history between a first mobile device and a second mobile device, according to some embodiments.
26 is a flowchart illustrating a method of synchronizing a recent call history when a first mobile device and a second mobile device are separated, according to some embodiments.
27 is a diagram for describing a database related to a recent call history stored in a device according to an exemplary embodiment.
28 is a flowchart illustrating a method of synchronizing a recent call history when a first mobile device and a second mobile device are coupled, according to some embodiments.
29 is a diagram for explaining a mobile communication system including a wearable device according to some embodiments.
30 is a flowchart illustrating a method for a standalone type wearable device to perform a phone call on behalf of a first mobile device, according to some embodiments.
31 is a standalone type wearable device according to some embodiments is set to perform a phone call on behalf of the first mobile device, but unlike FIG. 30 , a method of performing a phone call when a call is not possible in the wearable device is a flow chart for
32 is a flowchart illustrating a method of making a phone call in a first mobile device connected to a companion type wearable device according to some embodiments.
33 is a flowchart illustrating a method of receiving a phone call requested to a first mobile device from a companion type wearable device instead, according to some embodiments.
34 is a flowchart illustrating a method for a standalone type wearable device to perform a phone call on behalf of a second mobile device (card type phone) according to some embodiments.
35 is a standalone type wearable device according to some embodiments is set to perform a phone call on behalf of the second mobile device, but unlike FIG. 34 , a method of performing a phone call when a call is not possible in the wearable device. is a flow chart for
36 is a flowchart illustrating a method of making a phone call in a second mobile device connected to a companion type wearable device according to some embodiments.
37 is a flowchart illustrating a method of receiving a phone call requested to a second mobile device in a companion-type wearable device instead, according to some embodiments.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily implement them. However, the present invention may be embodied in several different forms and is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be “connected” to another part, it includes not only the case where it is “directly connected” but also the case where it is “electrically connected” with another element in between. . Also, when a part "includes" a certain component, it means that other components may be further included, rather than excluding other components, unless otherwise stated.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram for describing a mobile communication system in which different mobile devices can make a call using the same single phone number, according to some embodiments.

Referring to FIG. 1 , a mobile communication system 1 includes a server 10 of a mobile communication operator, a first mobile device 20 of a user A, a second mobile device 30 of a user A, and a mobile device of a user B ( 40). In the mobile communication system 1 , the first mobile device 20 , the second mobile device 30 , and the mobile device 40 are devices having a mobile communication function, such as a smart phone, a tablet device, and a personal digital assistant (PDA). may apply to For example, the first mobile device 20 and the second mobile device 30 may be heterogeneous devices. Hereinafter, for example, the first mobile device 20 is a smart phone and the second mobile device 30 will be described assuming that it corresponds to a card-type phone, but the present embodiment is limited thereto. doesn't happen On the other hand, the card-type phone will be described in more detail in the following drawings.

It may be assumed that user A owns both the first mobile device 20 which is a smart phone and the second mobile device 30 which is a card type phone. In the mobile communication system 1 according to the present embodiment, the phone number of the first mobile device 20 and the phone number of the second mobile device 30 are both the same as “+82-10-AAAA-BBBB”. That is, the first mobile device 20 and the second mobile device 30 may share a specific phone number.

Accordingly, when user B attempts to make a phone call to user A's phone number “+82-10-AAAA-BBBB” using the mobile device 40 , user A uses the first mobile device 20 or the second mobile device 40 . The device 30 may be used to make a phone call with the user B's mobile device 40 .

A mobile carrier refers to a company that provides mobile communication services in each country, such as SK Telecom, KT in Korea, or Verizon Wireless, AT&T, Sprint Nextel, and T-Mobile USA in the US. The server 10 of the mobile communication service provider may refer to a server operated by such a mobile communication service provider to provide a mobile communication service to subscribed consumers.

The server 10 of the mobile communication operator may manage the current phone number of “+82-10-XXXX-XXXX” to be assigned to the mobile device 40 of user B. In addition, the server 10 of the mobile communication service provider currently assigns one phone number of “+82-10-AAAA-BBBB” to each of the first mobile device 20 and the second mobile device 30 of user A. can be managed as

The server 10 of the mobile communication operator attempts a phone call with the phone number of “+82-10-AAAA-BBBB” from the mobile device 40 to which the phone number of “+82-10-XXXX-XXXX” is assigned. In this case, the phone call may be relayed to the first mobile device 20 or the second mobile device 30 to which the phone number of “+82-10-AAAA-BBBB” is assigned.

That is, each of the different mobile devices 20 and 30 is subscribed to the mobile communication system 1 to perform a mobile communication function without receiving different phone numbers from the server 10 of the mobile communication operator. can Meanwhile, although FIG. 1 shows that the number of mobile devices 20 and 30 owned by user A is two, the number of mobile devices 20 and 30 owned by user A is not limited thereto, and user A owns two or more mobile devices having the same one phone number in a mobile communication system (1) can be joined.

2 is a diagram for describing a second mobile device of user A according to some embodiments.

Referring to FIG. 2 , the second mobile device 30 may correspond to a card-type phone having an external appearance different from that of a smart phone. The card-type phone may refer to a mobile device having an ultra-slim or ultra-thin appearance, such as a credit card or a transportation card, and having a mobile communication function, such as a smart phone. That is, the card-type phone is assigned a phone number similarly to a smart phone, so that a phone call can be performed with another smart phone through the mobile communication system 1 . For example, since a card-type phone can only be equipped with ultra-small modules to be manufactured to be ultra-thin, it can be implemented to perform only simple functions such as a phone function or an input/output function among various functions provided by the smartphone. However, it is not limited thereto.

The second mobile device 30 implemented as a card type phone may include, for example, a display unit 311 and an input unit 313 on the front side.

The display unit 311 may display information input by the input unit 313 . For example, the display unit 311 displays numbers input by the keypad of the input unit 313 , displays a contact list stored in the second mobile device 30 , or a caller for a phone call received from the outside information can be displayed. That is, the display unit 311 may perform a function of displaying various types of information processed by the second mobile device 30 .

The input unit 313 may correspond to a keypad on which physical buttons are listed. That is, the input unit 313 may be implemented as a keypad including number buttons, a call connection button, a call end button, and the like, like buttons of a general phone.

3 is a diagram for describing a second mobile device of user A according to another exemplary embodiment.

Referring to FIG. 3 , unlike the second mobile device 30 shown in FIG. 2 , the second mobile device 30 of FIG. 3 may be implemented to include a touch screen 315 on the front side. That is, the second mobile device 30 implemented as a card type phone of FIG. 3 has the functions of the display unit 311 and the input unit 313 instead of the display unit 311 and the input unit 313 described in FIG. 2 . It can be implemented with the integrated touch screen 315 .

Accordingly, the second mobile device 30 implemented as the card-type phone of FIG. 3 may input numbers or characters using a soft keyboard displayed on the touch screen 315 , and also through the touch screen 315 . Various types of information processed by the second mobile device 30 may be displayed, such as a contact list and caller information for a phone call received from the outside.

That is, as described in FIGS. 2 and 3 , the card-type phone according to the present embodiment is not limited by any one implementation form, and may be implemented in various ways as long as it can perform a mobile communication function.

4 is a diagram for describing a hardware configuration of a second mobile device according to some embodiments.

Referring to FIG. 4 , the second mobile device 30 includes a user interface unit 310 , a control unit 320 , a communication unit 330 , a memory unit 340 , and a subscriber identity module (SIM) 350 . However, not all of the components shown in FIG. 4 are essential components of the second mobile device 30 . The second mobile device 30 may be implemented by more components than those shown in FIG. 4 , and the second mobile device 30 may be implemented by fewer components than those shown in FIG. 4 . have. Meanwhile, the second mobile device 30 may correspond to the above-described card type phone, but is not limited thereto.

The user interface unit 310 may collectively refer to hardware through which the user of the second mobile device 30 inputs data for controlling the second mobile device 30 . For example, the user interface unit 310 includes a keypad, a dome switch, and a touch screen (contact capacitive method, pressure resistance film method, infrared sensing method, surface ultrasonic conduction method, integral tension measurement method). , piezo effect method, etc.), a jog wheel, a jog switch, etc., but is not limited thereto.

The user interface unit 310 may include the display unit 311 , the input unit 313 , and the touch screen 315 described with reference to FIGS. 2 and 3 . In addition, the user interface unit 310 provides information processed by the second mobile device 30 to the user, such as a speaker for outputting an audio signal, a voice signal, etc., a buzzer, or a vibration motor for outputting a vibration signal. It may include interfacing means for informing. For example, the user interface unit 310 is a pop-up user interface (UI) for activating or deactivating the phone function of the second mobile device 30, a pop-up UI for activating or deactivating the two-phone use mode, a short-range wireless communication function User A's input may be received by providing a user interface screen for setting various functions, such as a pop-up UI for activating or deactivating . Here, the meaning of the two-phone use mode will be described later in the corresponding drawings.

The controller 320 may control the overall operation of the second mobile device 30 . The control unit 320 may control overall functions and operations of the user interface unit 310 , the communication unit 330 , the memory unit 340 , and the SIM 350 by executing programs stored in the memory unit 340 . have. The controller 320 may control the above-described operation of the second mobile device 30 and the operation of the second mobile device 30 to be described later. For example, the control unit 320 may activate the phone function of the second mobile device 30 by determining whether the phone function of the first mobile device 20 is deactivated, and the control unit 320 may also include the communication unit ( 330), it is possible to control so that a request for transmission of SIM information or a request for use of SIM information is transmitted to the server 10 of a mobile communication service provider. That is, the control unit 320 controls the activation of the phone function of the second mobile device 30 , the control related to the transmission of SIM information and requests for use of the SIM information, and the SIM information in the second mobile device 30 . Controls related to the management of

The communication unit 330 is configured to allow the second mobile device 30 to perform mobile communication or wireless connection with other mobile devices (eg, the mobile device 40 of FIG. 1 or the server 10 of a mobile communication operator). It may include one or more components that enable it, For example, the communication unit 330 may include a short-range communication module, a mobile communication module, and the like.

The short-range wireless communication module of the communication unit 330 includes a Bluetooth communication module, a Bluetooth Low Energy (BLE) communication module, a Near Field Communication (NFC) module, a Wi-Fi communication module, and a Wi-Fi (WFD) communication module. Direct) communication module, Zigbee (Zigbee) communication module, infrared (IrDA, Infrared Data Association) communication module, UWB (ultra wideband) communication module, etc. may be included, but are not limited thereto.

The mobile communication module of the communication unit 330 is another mobile device through a base station installed by a mobile communication operator according to various communication methods such as 2G mobile communication, 3G mobile communication, and 4G mobile communication on the mobile communication system (1 in FIG. 1) As a module capable of performing mobile communication with , it may be a module capable of receiving various types of data according to transmission and reception of voice calls, video calls, or text/multimedia messages. For example, the communication unit 330 may receive SIM information from a server ( 10 in FIG. 1 ) of a mobile communication service provider.

When the phone function of the second mobile device 30 is activated, the communication unit 330 transmits various pieces of information to the server 10 of the mobile communication service provider and other mobile devices so that the second mobile device 30 can perform the mobile communication function. may communicate with devices 20 and 40 . For example, the communication unit 330 may request the server 10 of the mobile communication operator to transmit SIM information or transmit a request to use the SIM information to the server 10 of the mobile communication operator. In addition, the communication unit 330 may exchange SIM information with the first mobile device 20 , and the first mobile device such as an activation state of a phone function of the first mobile device 20 from the first mobile device 20 . It is also possible to receive various information of only (20).

The memory unit 340 may store a program for processing and control of the controller 320 , and may store data input to or output from the second mobile device 30 . For example, the memory unit 340 may store device identification information, contact information, text message information, credit card information, transportation card information, and the like of the second mobile device 30 .

Memory unit 340 is a flash memory type (flash memory type), hard disk type (hard disk type), multimedia card micro type (multimedia card micro type), card type memory (for example, SD or XD memory, etc.), RAM (Random Access Memory) SRAM (Static Random Access Memory), ROM (Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory), magnetic memory, magnetic It may include at least one type of storage medium among a disk and an optical disk.

The SIM 350 provides information on mobile communication services provided by a mobile communication service provider, for example, an Integrated Circuit Card Identifier (ICCID), an International Mobile Subscriber Identity (IMSI), an authentication key, and country information (Location area). It is a module that stores SIM information including identity). That is, the SIM 350 may mean a downloadable SIM (downloadable SIM) type module capable of storing SIM information received from the server (10 of FIG. 1 ) of a mobile communication service provider. For example, the SIM 350 may receive and store SIM information including subscription information on the mobile communication system 1 for a specific phone number from a server. Meanwhile, the present invention is not limited thereto, and the SIM 350 may refer to a module capable of reading and storing information stored in the SIM card or the USIM card when a SIM card or USIM card in which SIM information is stored is inserted.

Meanwhile, detailed operations and functions of the components of the second mobile device 30 of FIG. 4 will be described in more detail with reference to the drawings to be described later.

5 is a diagram for describing device identification information and SIM information stored in each of a first mobile device and a second mobile device, according to some embodiments.

Referring to FIG. 5 , the memory unit 510 of the first mobile device 20 may store device identification information for the first mobile device 20 . The device identification information may include a serial number of the first mobile device 20 that only the first mobile device 20 can have uniquely, an International Mobile Equipment Identity (IMEI), and the like. In addition, the device identification information may include various information such as a model number and manufacturer information of the first mobile device 20 . Here, as described above, the serial number and IMEI of the first mobile device 20 are unique information of only the first mobile device 20 and generally have different number combinations for each mobile device.

The SIM 520 of the first mobile device 20 is a downloadable SIM (SIM) and may include information such as phone number information and ICCID. Here, the ICCID stored in the SIM 520 of the first mobile device 20 may correspond to information mapped to a specific phone number assigned by a mobile communication service provider. Accordingly, the server of the mobile communication service provider (10 in FIG. 1 ) uses the ICCID stored in the SIM 520 to identify the user A of the first mobile device 20 and provide the phone number of the first mobile device 20 . can be identified.

The memory unit 340 of the second mobile device 30 may store device identification information for the second mobile device 30 . Similarly, the device identification information may include a serial number, IMEI, etc. of the second mobile device 30 that only the second mobile device 30 may have uniquely, and the device identification information may include the second mobile device 30 It may also include various information such as the model number of the product, manufacturer information, and the like.

The SIM 350 of the second mobile device 30 is a downloadable SIM (SIM) and may include information such as phone number information and ICCID. Here, the ICCID stored in the SIM 350 of the second mobile device 30 may correspond to information mapped to a specific phone number assigned by a mobile communication operator. Accordingly, the server of the mobile communication operator (10 in FIG. 1 ) uses the ICCID stored in the SIM 350 to identify the user A of the second mobile device 30 , and to provide the phone number of the second mobile device 30 . can be identified.

As described in FIG. 1 , in the mobile communication system 1 according to the present embodiment, the first mobile device 20 and the second mobile device 30 have the same phone number as “+10-82-AAAA-BBBB”. can be assigned. It has been described above that each ICCID of the SIM 350 or SIM 520 is mapped to a specific phone number. Accordingly, the server 10 of the mobile communication service provider may manage the ICCID of the SIM 350 and the ICCID of the SIM 520 matching the phone number “+10-82-AAAA-BBBB” as being identical to each other. However, the present invention is not limited thereto, and the server 10 of the mobile communication service provider has the ICCID of the SIM 350 and the ICCID of the SIM 520 matched to the phone number “+10-82-AAAA-BBBB” are different from each other. can manage

Meanwhile, hereinafter, the device identification information and the SIM information of the first mobile device 20 are referred to as first device identification information and first SIM information, and the device identification information and the SIM information of the second mobile device 30 are It will be described by referring to the second device identification information and the second SIM information.

6 is a view for explaining a method for a first mobile device and a second mobile device owned by a user A having the same phone number to perform a phone call with a mobile device of another user B on a mobile communication system according to some embodiments to be.

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

In step 610, the server 10 of the mobile communication operator registers the first mobile device 20 among the mobile devices 20 and 30 owned by the user A as the main mobile device.

In operation 620, the server 10 of the mobile communication operator registers the second mobile device 30 among the mobile devices 20 and 30 owned by user A as a sub mobile device.

In step 630 , user B requests a phone call to user A's phone number “+10-82-AAAA-BBBB” using the mobile device 40 .

In step 640, the server 10 of the mobile operator identifies a list of mobile devices 20 and 30 owned by user A.

In step 650 , if the user A activates the phone function of the first mobile device 20 , which is the main mobile device, the server 10 of the mobile communication service provider calls the mobile device 40 to the first mobile device 20 . You can send a call request. However, if the user A activates the phone function of the second mobile device 30 , which is the sub mobile device, the server 10 of the mobile communication operator requests the mobile device 40 to make a phone call to the second mobile device 30 . can be transmitted.

That is, even if the same phone number “+10-82-AAAA-BBBB” is assigned to a plurality of mobile devices 20 and 30, user A uses the desired mobile device 20 or 30, and user B You can make a phone call with the mobile device 40 of

7 is a diagram for explaining management of mobile devices owned by user A in a server of a mobile communication service provider according to some embodiments.

Referring to FIG. 7 , the server 10 of the mobile communication operator may identify the mobile devices 20 and 30 owned by the user A. Referring to FIG. The server 10 of the mobile communication operator may identify the mobile devices 20 and 30 using device identification information and SIM information provided in the mobile devices 20 and 30 . As previously assumed, the first mobile device 20 may correspond to a smartphone, and the second mobile device 30 may correspond to a card-type phone. Therefore, the user A may register the first mobile device 20 with better performance as the main mobile device in the server 10 of the mobile communication service provider. On the other hand, user A may register the second mobile device 30 having lower performance than the first mobile device 20 in the server 10 of the mobile communication service provider as a sub mobile device. In this case, the server 10 of the mobile communication operator may identify and manage the main mobile device and the sub mobile device using the device identification information of the first mobile device 20 and the second mobile device 30 .

8A is a diagram for describing a case in which a first mobile device and a second mobile device are separated in a two-phone use mode according to some embodiments. And, FIG. 8B is a diagram for explaining a case in which a first mobile device and a second mobile device are combined according to a two-phone use mode according to some embodiments.

The two-phone use mode includes two different mobile devices assigned the same phone number, such as the first mobile device 20 and the second mobile device 30 to which the same phone number “+10-82-AAAA-BBBB” is assigned. It may be a mode for using devices on a mobile communication system ( 1 in FIG. 1 ). However, the two-phone use mode is only a term for indicating a case in which two devices exist as shown in the present embodiments. Accordingly, when N devices (N is a natural number greater than or equal to 2) have the same phone number and are a mode for using them on a mobile communication system (1 in FIG. Other terms such as mode of use may also be substituted. That is, the terminology of the two-phone use mode may be variously changed, and is not limited by any one.

Referring to FIG. 8A , each of the first mobile device 20 and the second mobile device 30 may be combined by establishing a connection with each other through short-range wireless communication. As a means of short-range wireless communication, wireless communication methods such as Bluetooth, NFC, and Wi-Fi may be included.

In the first mobile device 20 side, when the two-phone use mode is activated, the first mobile device 20 through the UI 810 inquiring whether to connect with the second mobile device 30, the second mobile device (30) and may be coupled through short-range wireless communication. Similarly, in the second mobile device 30 side, when the two-phone use mode is activated, the second mobile device 30 through the UI 820 inquiring whether to connect with the first mobile device 20, the first It may be coupled to the mobile device 20 through short-range wireless communication.

Referring to FIG. 8B , in the first mobile device 20 side, when the two-phone use mode is activated, the first mobile device 20 includes a first mobile device 20 and a second mobile device 30 coupled to each other. Through the UI 830 that inquires whether to terminate the connection of , the connection by short-range wireless communication with the second mobile device 30 may be terminated. Similarly, in terms of the second mobile device 30 , when the two-phone use mode is activated, the second mobile device 30 terminates the connection of the first mobile device 20 and the second mobile device 30 coupled to each other. Through the UI 840 inquiring whether to do so, the connection by short-range wireless communication with the first mobile device 20 may be terminated. At this time, the separation of the first mobile device 20 and the second mobile device 30 by the termination of the connection does not mean that the two-phone use mode is deactivated, but the two-phone use mode is still activated while the user A It may mean that only one of the first mobile device 20 and the second mobile device 30 is to be used separately.

9 is a diagram for explaining passively activating a phone function of a first mobile device or a phone function of a second mobile device in a two-phone use mode, according to some embodiments.

User A may want to make a phone call with other mobile devices using any one of the first mobile device 20 and the second mobile device 30 in the two-phone use mode. That is, user A may select a desired mobile device by inputting information for activating any one of the first mobile device 20 and the second mobile device 30 in the two-phone use mode. For example, referring to FIG. 9 , the user A inputs information for activating the phone function of the first mobile device 20 through the UI 910 for querying the activation of the phone function displayed on the first mobile device 20 . can do. Alternatively, the user A may input information for activating the phone function of the second mobile device 30 through the UI 920 for querying the activation of the phone function displayed on the second mobile device 30 .

If the phone function of the first mobile device 20 is activated, the phone function of the second mobile device 30 may be automatically deactivated. Conversely, when the phone function of the second mobile device 30 is activated, the phone function of the first mobile device 20 may be automatically deactivated.

10A is a diagram for describing a method of activating a phone function of a first mobile device or a phone function of a second mobile device in a two-phone use mode, according to some embodiments.

In step 1001, the first mobile device 20 determines whether the two-phone use mode is set. If the two-phone use mode is set, the process proceeds to step 1002 . However, if the two-phone use mode is not set, there is no need to determine which of the first mobile device and the second mobile device to activate the phone function, so the method ends.

In step 1002 , the first mobile device 20 determines whether a phone function of the first mobile device 20 is available. For example, the mobile communication module provided in the first mobile device 20 may not operate normally due to various reasons such as failure or blocking. Accordingly, in step 1002 , it is determined whether the phone function of the first mobile device 20 is normally operated. If available, proceed to step 1003 . However, if not available, proceed to step 1008.

In step 1003 , the first mobile device 20 determines whether automatic activation of a phone function is set. When the two-phone use mode is set, the first mobile device 20 may be set as a default so that the phone function is activated in preference to the second mobile device 30 . That is, instead of manually activating the phone function through the UI 910 described in FIG. 9 , the first mobile device 20 may be set to automatically activate the phone function under the two-phone use mode. If the automatic activation of the phone function is set, the process proceeds to step 1005 . However, if automatic activation of the phone function is not set, the process proceeds to step 1004 .

In step 1004 , the first mobile device 20 determines whether manual activation of the phone function is set. The first mobile device 20 determines whether information for manually activating a phone function is input through the UI 910 described in FIG. 9 under the two-phone use mode. If manual activation of the phone function is set, the process proceeds to step 1005 . However, if manual activation of the phone function is not set, the process proceeds to step 1008 .

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

In step 1006, the second mobile device 30 determines whether the two-phone use mode is set. If the two-phone use mode is set, the process proceeds to step 1007. However, if the two-phone use mode is not set, there is no need to determine which of the first mobile device and the second mobile device to activate the phone function, so the method ends.

In step 1007 , the second mobile device 30 determines whether a phone function of the second mobile device 30 is available. For example, the mobile communication module provided in the second mobile device 30 may not operate normally due to various reasons such as failure or blocking. Accordingly, in step 1007 , it is determined whether the phone function of the second mobile device 30 is normally operated. If available, proceed to step 1008 . However, if not available, proceed to step 1003 .

In step 1008 , the second mobile device 30 determines whether automatic activation of the phone function is set. When the two-phone use mode is set, the second mobile device 30 may be set as a default so that the phone function is activated in preference to the first mobile device 20 . That is, instead of manually activating the phone function through the UI 920 described in FIG. 9 , the second mobile device 30 may be set to automatically activate the phone function under the two-phone use mode. If automatic activation of the phone function is set, the process proceeds to step 1010 . However, if automatic activation of the phone function is not set, the process proceeds to step 1009 .

In step 1009 , the second mobile device 30 determines whether manual activation of the phone function is set. The second mobile device 30 determines whether information for manually activating a phone function is input through the UI 920 described in FIG. 9 under the two-phone use mode. If the manual activation of the phone function is set, the process proceeds to step 1010 . However, if manual activation of the phone function is not set, the process proceeds to step 1003 .

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

FIG. 10B is a diagram for describing a case in which a phone function of a first mobile device among a first mobile device and a second mobile device coupled to each other is activated in a two-phone use mode, according to some embodiments.

Referring to FIG. 10B , when the phone function of the first mobile device 20 is activated as step 1005 of FIG. 10A is performed, the first mobile device 20 displays a UI 1020 informing that the phone function is activated. can do.

FIG. 10C is a diagram for explaining a case in which a phone function of a second mobile device among a first mobile device and a second mobile device coupled to each other is activated in a two-phone use mode, according to some embodiments.

Referring to FIG. 10C , when the phone function of the second mobile device 30 is activated as step 1010 of FIG. 10A is performed, the second mobile device 30 displays a UI 1030 informing that the phone function is activated. can do.

10D is a diagram for explaining a case in which a phone function of a first mobile device is activated among a first mobile device and a second mobile device separated from each other in a two-phone use mode, according to some embodiments.

Referring to FIG. 10D , when the phone function of the first mobile device 20 is activated as step 1005 of FIG. 10A is performed, the first mobile device 20 displays a UI 1040 informing that the phone function is activated. can do.

FIG. 10E is a diagram for explaining a case in which a phone function of a second mobile device of a first mobile device and a second mobile device separated from each other is activated in a two-phone use mode, according to some embodiments.

Referring to FIG. 10E , when the phone function of the second mobile device 30 is activated as step 1010 of FIG. 10A is performed, the second mobile device 30 displays a UI 1050 notifying that the phone function is activated. can do.

11A is a diagram for describing device identification information and SIM information stored in each of a first mobile device and a second mobile device, according to some embodiments.

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

That is, as shown in FIG. 11A , the first mobile device 20 and the second mobile device 30 to which the same phone number “+82-10-AAAA-BBBB” is assigned have SIM information of the same ICCID. , can have different IMEIs.

11B is a diagram for describing device identification 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. 11B , the first mobile device 20 and the second mobile device 30 may be assigned the same phone number “+82-10-AAAA-BBBB”. In the first device identification information of the first mobile device 20 , the IMEI of the first mobile device 20 may have a value of “35 abcdef 465607 8”. And, in the first SIM information of the first mobile device 20, ICCID may have a value of “abcd efgh 0710 9991 604”. Meanwhile, in the second device identification information of the second mobile device 30 , the IMEI of the second mobile device 30 is a value of “23 abcxyz 576501 1”, and may have a value different from the IMEI of the first device identification information. have. Also, in the second SIM information of the second mobile device 30 , the ICCID is a value of “abcd hgfe 0710 9991 604” and may have a different value from the ICCID of the first SIM information.

That is, as shown in FIG. 11B , the first mobile device 20 and the second mobile device 30 to which the same phone number “+82-10-AAAA-BBBB” is assigned transmit SIM information of different ICCIDs. and can have different IMEIs.

Comparing the embodiments of FIGS. 11A and 11B , the downloadable SIMs 520 and 340 provided in the first mobile device 20 and the second mobile device 30 have the same ICCID, or Alternatively, they may have different ICCIDs. However, even so, in both the embodiments of FIGS. 11A and 11B , the first mobile device 20 and the second mobile device 30 may be assigned the same phone number “+82-10-AAAA-BBBB”. have. That is, the present embodiment is not limited by any one case.

The following FIGS. 12 to 20D are views related to the embodiments described in FIGS. 11A and 11B .

12 to 14D show that the SIM information is not initially stored in each of the downloadable SIMs 520 and 340 provided in the first mobile device 20 and the second mobile device 30, but is required. It is a diagram for explaining embodiments according to the first scenario in which the mobile communication function is performed by receiving from the server 10 of the mobile communication service provider. That is, the first scenario is various embodiments in which the first mobile device 20 or the second mobile device 30 transmits a request for transmission of SIM information and a request for use of SIM information to the server 10 of a mobile communication operator when necessary. may be related to

15 to 17D show that SIM information is initially stored in both downloadable SIMs 520 and 340 provided in the first mobile device 20 and the second mobile device 30, and when necessary Described embodiments according to a second scenario in which the first mobile device 20 or the second mobile device 30 performs a mobile communication function by sending a request for use of SIM information to the server 10 of the mobile communication operator drawings to do That is, the second scenario may relate to various embodiments in which only a request for use of SIM information is requested from the server 10 of a mobile communication service provider when needed by the first mobile device 20 or the second mobile device 30 . .

18 to 20D show that SIM information is initially stored only in a downloadable SIM (SIM) 520 or 340 provided in either the first mobile device 20 or the second mobile device 30 and is required It is a diagram for explaining embodiments according to a third scenario in which the first mobile device 20 and the second mobile device 30 perform a mobile communication function by exchanging SIM information with each other. That is, the third scenario may relate to various embodiments in which the first mobile device 20 and the second mobile device 30 exchange SIM information when needed.

12 illustrates a concept of a first scenario of receiving SIM information from a server of a mobile communication operator and transmitting a request for use of SIM information in a first mobile device and a second mobile device in which SIM information is not stored, according to some embodiments; It is a drawing for explanation.

12A and 12B , a first downloadable SIM 1 (SIM 1) 520 and a second download provided in the first mobile device 20 and the second mobile device 30, respectively SIM information is not initially stored in a downloadable SIM 2 (SIM) 340 .

First, referring to FIG. 12 (a), when activation of the phone function of the first mobile device 20 is requested in the two-phone use mode, the first mobile device 20 sends the SIM to the server 10 of the mobile communication operator. Request the transmission of information. Accordingly, the server 10 of the mobile communication operator transmits the requested SIM information to the first mobile device 20, and the first mobile device 20 transmits the received SIM information to the first downloadable SIM (SIM 1). ) is stored in 520 . Thereafter, the first mobile device 20 transmits a request to use the SIM information to the server 10 of the mobile communication operator. When the request for use of SIM information is approved by the server 10 of the mobile communication service provider, the first mobile device 20 may perform a mobile communication function only in the two-phone use mode.

Next, referring to FIG. 12 (b), when activation of the phone function of the second mobile device 30 is requested in the two-phone use mode, the second mobile device 30 is the server 10 of the mobile communication operator Request the transmission of SIM information to Accordingly, the server 10 of the mobile communication operator transmits the requested SIM information to the second mobile device 30 , and the second mobile device 30 transmits the received SIM information to the second downloadable SIM (SIM 2 ). ) (350). Thereafter, the second mobile device 30 transmits a request to use the SIM information to the server 10 of the mobile communication operator. When the request for use of SIM information is approved by the server 10 of the mobile communication service provider, the second mobile device 30 may perform a mobile communication function only in the two-phone use mode.

13A is a diagram illustrating a first mobile device by a request to transmit SIM information and a request to use SIM information of a first mobile device based on a first scenario in a state in which a first mobile device and a second mobile device are coupled, according to some embodiments; It is a diagram for explaining a method of performing a mobile communication function.

In step 1301, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In operation 1302 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1303 , the first mobile device 20 activates a phone function. In this case, the first mobile device 20 may manually or automatically activate the phone function by performing step 1005 according to the method described with reference to FIG. 10A . The activation of the phone function of the first mobile device 20 may mean that user A intends to make a phone call using the first mobile device 20 that is the main mobile device.

In step 1304 , the first mobile device 20 requests transmission of the first SIM information to the server 10 of the mobile communication operator.

In step 1305 , the server 10 of the mobile communication operator 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 a first downloadable SIM 1 (SIM 1) 520 .

In operation 1307 , the first mobile device 20 transmits a request for use of the first SIM information to the server 10 of the mobile communication operator.

In step 1308, the server 10 of the mobile communication operator activates the first SIM information.

In step 1309, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . At this time, since the second mobile device 30 has not activated the phone function and has no SIM information, a phone call is not connected.

13B is a diagram illustrating mobile communication of a second mobile device by a SIM information transmission request and a SIM activation request of a second mobile device based on a first scenario in a state in which the first mobile device and the second mobile device are coupled, according to some embodiments; It is a diagram for explaining a method of performing a function.

In step 1311, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In operation 1312 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In operation 1313 , the second mobile device 30 activates a phone function. In this case, the second mobile device 30 may manually or automatically activate the phone function by performing step 1010 according to the method described with reference to FIG. 10A . The activation of the phone function of the second mobile device 30 means that user A wants to make a phone call using the second mobile device 30, which is a sub mobile device, instead of the first mobile device 20, which is the main mobile device. It may mean that

In operation 1314 , the second mobile device 30 requests transmission of the second SIM information to the server 10 of the mobile communication operator.

In operation 1315 , the server 10 of the mobile communication operator 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 a second downloadable SIM 2 (SIM 2 ) 350 .

In operation 1317 , the second mobile device 30 transmits a request for use of the second SIM information to the server 10 of the mobile communication operator.

In step 1318, the server 10 of the mobile communication operator approves the use of the second SIM information.

In step 1319, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . In this case, since the first mobile device 20 has not activated the phone function and has no SIM information, a phone call is not connected.

FIG. 13C illustrates a request for transmitting SIM information of a second mobile device and a request for use of SIM information of a first mobile device based on a first scenario in a state in which the first mobile device and the second mobile device are coupled according to some embodiments; It is a diagram for explaining a method for a first mobile device to perform a mobile communication function.

In step 1321, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

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

In operation 1323 , the first mobile device 20 activates a phone function. In this case, the first mobile device 20 may manually or automatically activate the phone function by performing step 1005 according to the method described with reference to FIG. 10A . The activation of the phone function of the first mobile device 20 may mean that user A intends to make a phone call using the first mobile device 20 that is the main mobile device.

In operation 1324 , the second mobile device 30 requests the server 10 of the mobile communication operator to transmit the first SIM information to the first mobile device 20 .

In operation 1325 , the server 10 of the mobile communication operator 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 a first downloadable SIM 1 (SIM) 520 .

In operation 1327 , the first mobile device 20 transmits a request for use of the first SIM information to the server 10 of the mobile communication operator.

In operation 1328 , the server 10 of the mobile communication operator approves the use of the first SIM information.

In step 1329, the server 10 of the mobile operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . At this time, since the second mobile device 30 has not activated the phone function and has no SIM information, a phone call is not connected.

FIG. 13D illustrates a request for transmitting SIM information of a first mobile device and a request for use of SIM information of a second mobile device based on a first scenario in a state in which the first mobile device and the second mobile device are coupled according to some embodiments; It is a diagram for explaining a method for a second mobile device to perform a mobile communication function.

In step 1331, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In operation 1332 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1333 , the second mobile device 30 activates a phone function. In this case, the second mobile device 30 may manually or automatically activate the phone function by performing step 1010 according to the method described with reference to FIG. 10A . The activation of the phone function of the second mobile device 30 means that user A wants to make a phone call using the second mobile device 30, which is a sub mobile device, instead of the first mobile device 20, which is the main mobile device. It may mean that

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

In operation 1335 , the server 10 of the mobile communication service provider 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 a second downloadable SIM 2 (SIM) 350 .

In operation 1337 , the second mobile device 30 transmits a request for use of the second SIM information to the server 10 of the mobile communication operator.

In step 1338, the server 10 of the mobile communication operator approves the use of the second SIM information.

In step 1339, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . In this case, since the first mobile device 20 has not activated the phone function and has no SIM information, a phone call is not connected.

14A is a diagram illustrating a first mobile device by a request to transmit SIM information and a request to use SIM information of a first mobile device based on a first scenario in a separated state after a first mobile device and a second mobile device are coupled, according to some embodiments; It is a diagram for explaining a method for a mobile device to perform a mobile communication function.

In step 1401, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1402 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1403 , the first mobile device 20 activates a phone function. In this case, the first mobile device 20 may manually or automatically activate the phone function by performing step 1005 according to the method described with reference to FIG. 10A . The activation of the phone function of the first mobile device 20 may mean that user A intends to make a phone call using the first mobile device 20 that is the main mobile device.

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

In step 1405 , the first mobile device 20 requests transmission of the first SIM information to the server 10 of the mobile communication operator.

In operation 1406 , the server 10 of the mobile communication operator 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 a first downloadable SIM 1 (SIM 1) 520 .

In operation 1408 , the first mobile device 20 transmits a request for use of the first SIM information to the server 10 of the mobile communication operator.

In step 1409, the server 10 of the mobile communication operator approves the use of the first SIM information.

In step 1410, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . At this time, since the second mobile device 30 has not activated the phone function and has no SIM information, a phone call is not connected.

14B is a diagram illustrating a second mobile device by a request to transmit SIM information and a request to use SIM information of a second mobile device based on a first scenario in a state in which the first mobile device and the second mobile device are separated, according to some embodiments; It is a diagram for explaining a method of performing a mobile communication function.

In step 1411, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In operation 1412 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1413 , the second mobile device 30 activates a phone function. In this case, the second mobile device 30 may manually or automatically activate the phone function by performing step 1010 according to the method described with reference to FIG. 10A . The activation of the phone function of the second mobile device 30 means that user A wants to make a phone call using the second mobile device 30, which is a sub mobile device, instead of the first mobile device 20, which is the main mobile device. It may mean that

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

In operation 1415 , the second mobile device 30 requests transmission of the second SIM information to the server 10 of the mobile communication operator.

In operation 1416 , the server 10 of the mobile communication operator 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 a second downloadable SIM 2 (SIM 2 ) 350 .

In operation 1418 , the second mobile device 30 transmits a request for use of the second SIM information to the server 10 of the mobile communication operator.

In step 1419, the server 10 of the mobile communication operator approves the use of the second SIM information.

In step 1420, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . In this case, since the first mobile device 20 has not activated the phone function and has no SIM information, a phone call is not connected.

14C illustrates a request for transmitting SIM information of a second mobile device and a request for use of SIM information of a first mobile device based on a first scenario in a state in which the first mobile device and the second mobile device are separated according to some embodiments; It is a diagram for explaining a method for a first mobile device to perform a mobile communication function.

In step 1421, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

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

In operation 1423 , the first mobile device 20 activates a phone function. In this case, the first mobile device 20 may manually or automatically activate the phone function by performing step 1005 according to the method described with reference to FIG. 10A . The activation of the phone function of the first mobile device 20 may mean that user A intends to make a phone call using the first mobile device 20 that is the main mobile device.

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

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

In operation 1426 , the server 10 of the mobile communication operator 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 a first downloadable SIM 1 (SIM) 520 .

In operation 1428 , the first mobile device 20 transmits a request for use of the first SIM information to the server 10 of the mobile communication operator.

In step 1429, the server 10 of the mobile communication operator approves the use of the first SIM information.

In step 1430, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . At this time, since the second mobile device 30 has not activated the phone function and has no SIM information, a phone call is not connected.

14D is a diagram illustrating a request for SIM information transmission of a first mobile device and a request for use of SIM information of a second mobile device based on a first scenario in a state in which the first mobile device and the second mobile device are separated according to some embodiments; It is a diagram for explaining a method for a second mobile device to perform a mobile communication function.

In step 1431, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1432 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1433 , the second mobile device 30 activates the phone function. In this case, the second mobile device 30 may manually or automatically activate the phone function by performing step 1010 according to the method described with reference to FIG. 10A . The activation of the phone function of the second mobile device 30 means that user A wants to make a phone call using the second mobile device 30, which is a sub mobile device, instead of the first mobile device 20, which is the main mobile device. It may mean that

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

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

In operation 1436 , the server 10 of the mobile communication operator 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 a second downloadable SIM 2 (SIM) 350 .

In operation 1438 , the second mobile device 30 transmits a request for use of the second SIM information to the server 10 of the mobile communication operator.

In step 1439, the server 10 of the mobile communication operator approves the use of the second SIM information.

In step 1440, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . In this case, since the first mobile device 20 has not activated the phone function and has no SIM information, a phone call is not connected.

15 is a diagram for explaining a concept of a second scenario in which a request for use of SIM information is transmitted to a server of a mobile communication service provider in a first mobile device and a second mobile device in which SIM information is stored in advance, according to some embodiments .

Referring to FIG. 15 , a first downloadable SIM (SIM 1) 520 and a second downloadable SIM (SIM 2) provided in each of the first mobile device 20 and the second mobile device 30 ( In 340), SIM information is pre-stored. That is, before the two-phone use mode is activated, the first mobile device 20 and the second mobile device 30 download SIM information in advance from the server 10 of the mobile communication operator, and transfer the downloaded SIM information to the SIMs 520 . and 350). In other words, SIMs 520 and 350 may pre-store SIM information regardless of activation of the telephony function of mobile devices 20 and 30 .

When activation of the phone function of the first mobile device 20 is requested in the two-phone use mode, the first mobile device 20 approves the request for use of the first SIM information stored in advance in the server 10 of the mobile communication operator do. When the use of the first SIM information is approved by the server 10 of the mobile communication operator, the first mobile device 20 may perform a mobile communication function only in the two-phone use mode.

When activation of the phone function of the second mobile device 30 is requested in the two-phone use mode, the second mobile device 30 transmits a request to use the pre-stored second SIM information to the server 10 of the mobile communication operator do. When use of the second SIM information is approved in the server 10 of the mobile communication service provider, the second mobile device 30 may perform a mobile communication function only in the two-phone use mode.

16A illustrates a first mobile device performing a mobile communication function in response to a request for use of SIM information of a first mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are coupled, according to some embodiments; It is a drawing for explaining how to do it.

In operation 1601 , the first mobile device 20 stores the first SIM information in a first downloadable SIM 1 (SIM 1) 520 . Also, the second mobile device 30 stores the second SIM information in a second downloadable SIM 2 (SIM 2) 350 .

In step 1602, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1603 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1604 , the first mobile device 20 activates a phone function. In this case, the first mobile device 20 may manually or automatically activate the phone function by performing step 1005 according to the method described with reference to FIG. 10A . The activation of the phone function of the first mobile device 20 may mean that user A intends to make a phone call using the first mobile device 20 that is the main mobile device.

In step 1605 , the first mobile device 20 transmits a request for use of the first SIM information to the server 10 of the mobile communication operator.

In step 1606, the server 10 of the mobile communication operator approves the use of the first SIM information.

In step 1607, the server 10 of the mobile operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . In this case, since the second mobile device 30 is not requested to use the second SIM information, a phone call is not connected.

16B illustrates a second mobile device performing a mobile communication function in response to a request for use of SIM information of a second mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are combined, according to some embodiments; It is a drawing for explaining how to do it.

In operation 1611 , the first mobile device 20 stores the first SIM information in a first downloadable SIM 1 (SIM 1 ) 520 . Also, the second mobile device 30 stores the second SIM information in a second downloadable SIM 2 (SIM 2) 350 .

In step 1612, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1613 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1614 , the second mobile device 30 activates the phone function. In this case, the second mobile device 30 may manually or automatically activate the phone function by performing step 1010 according to the method described with reference to FIG. 10A . The activation of the phone function of the second mobile device 30 means that user A wants to make a phone call using the second mobile device 30, which is a sub mobile device, instead of the first mobile device 20, which is the main mobile device. It may mean that

In operation 1615 , the second mobile device 30 transmits a request for use of the second SIM information to the server 10 of the mobile communication operator.

In step 1616, the server 10 of the mobile communication operator approves the use of the second SIM information.

In step 1617, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . In this case, since the first mobile device 20 is not requested to use the first SIM information, a phone call is not connected.

16C illustrates a first mobile device performing a mobile communication function in response to a request for use of SIM information of a second mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are combined, according to some embodiments; It is a drawing for explaining how to do it.

In operation 1621 , the first mobile device 20 stores the first SIM information in a first downloadable SIM 1 (SIM 1 ) 520 . Also, the second mobile device 30 stores the second SIM information in a second downloadable SIM 2 (SIM 2) 350 .

In step 1622, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1623 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1624 , the first mobile device 20 activates a phone function. In this case, the first mobile device 20 may manually or automatically activate the phone function by performing step 1005 according to the method described with reference to FIG. 10A . The activation of the phone function of the first mobile device 20 may mean that user A intends to make a phone call using the first mobile device 20 that is the main mobile device.

In operation 1625 , the second mobile device 30 transmits a request for use of the first SIM information to the server 10 of the mobile communication operator.

In step 1626, the server 10 of the mobile communication operator approves the use of the first SIM information.

In step 1627, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . In this case, since the second mobile device 30 is not requested to use the second SIM information, a phone call is not connected.

16D illustrates a second mobile device performing a mobile communication function in response to a request for use of SIM information of a first mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are combined, according to some embodiments; It is a drawing for explaining how to do it.

In operation 1631 , the first mobile device 20 stores the first SIM information in a first downloadable SIM 1 (SIM 1) 520 . Also, the second mobile device 30 stores the second SIM information in a second downloadable SIM 2 (SIM 2) 350 .

In step 1632, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1633 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1634 , the second mobile device 30 activates the phone function. In this case, the second mobile device 30 may manually or automatically activate the phone function by performing step 1010 according to the method described with reference to FIG. 10A . The activation of the phone function of the second mobile device 30 means that user A wants to make a phone call using the second mobile device 30, which is a sub mobile device, instead of the first mobile device 20, which is the main mobile device. It may mean that

In operation 1635 , the first mobile device 20 transmits a request for use of the second SIM information to the server 10 of the mobile communication operator.

In step 1636, the server 10 of the mobile communication operator approves the use of the second SIM information.

In step 1637, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . In this case, since the first mobile device 20 is not requested to use the first SIM information, a phone call is not connected.

17A is a diagram illustrating mobile communication of a first mobile device by a request for use of SIM information of a first mobile device based on a second scenario in a state in which a first mobile device and a second mobile device are combined and then separated according to some embodiments; It is a diagram for explaining a method of performing a function.

In step 1701 , the first mobile device 20 stores the first SIM information in a first downloadable SIM 1 (SIM 1) 520 . Also, the second mobile device 30 stores the second SIM information in a second downloadable SIM 2 (SIM 2) 350 .

In step 1702, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1703 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1704 , the first mobile device 20 activates a phone function. In this case, the first mobile device 20 may manually or automatically activate the phone function by performing step 1005 according to the method described with reference to FIG. 10A . The activation of the phone function of the first mobile device 20 may mean that user A intends to make a phone call using the first mobile device 20 that is the main mobile device.

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

In operation 1706 , the first mobile device 20 transmits a request for use of the first SIM information to the server 10 of the mobile communication operator.

In step 1707, the server 10 of the mobile communication operator approves the use of the first SIM information.

In step 1708 , the server 10 of the mobile operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . In this case, since the second mobile device 30 is not requested to use the second SIM information, a phone call is not connected.

17B illustrates a second mobile device performing a mobile communication function in response to a request for use of SIM information of a second mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are separated, according to some embodiments; It is a drawing for explaining how to do it.

In operation 1711 , the first mobile device 20 stores the first SIM information in a first downloadable SIM 1 (SIM 1) 520 . Also, the second mobile device 30 stores the second SIM information in a second downloadable SIM 2 (SIM 2) 350 .

In step 1712, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1713 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1714 , the second mobile device 30 activates the phone function. In this case, the second mobile device 30 may manually or automatically activate the phone function by performing step 1010 according to the method described with reference to FIG. 10A . The activation of the phone function of the second mobile device 30 means that user A wants to make a phone call using the second mobile device 30, which is a sub mobile device, instead of the first mobile device 20, which is the main mobile device. It may mean that

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

In operation 1716 , the second mobile device 30 transmits a request for use of the second SIM information to the server 10 of the mobile communication operator.

In step 1717, the server 10 of the mobile communication operator approves the use of the second SIM information.

In step 1718, the server 10 of the mobile operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . In this case, since the first mobile device 20 is not requested to use the first SIM information, a phone call is not connected.

17C illustrates a first mobile device performing a mobile communication function in response to a request for use of SIM information of a second mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are separated, according to some embodiments; It is a drawing for explaining how to do it.

In operation 1721 , the first mobile device 20 stores the first SIM information in a first downloadable SIM 1 (SIM 1) 520 . Also, the second mobile device 30 stores the second SIM information in a second downloadable SIM 2 (SIM 2) 350 .

In step 1722, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1723 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1724 , the first mobile device 20 activates a phone function. In this case, the first mobile device 20 may manually or automatically activate the phone function by performing step 1005 according to the method described with reference to FIG. 10A . The activation of the phone function of the first mobile device 20 may mean that user A intends to make a phone call using the first mobile device 20 that is the main mobile device.

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

In operation 1726 , the second mobile device 30 transmits a request for use of the first SIM information to the server 10 of the mobile communication operator.

In step 1727, the server 10 of the mobile communication operator approves the use of the first SIM information.

In step 1728, the server 10 of the mobile operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . In this case, since the second mobile device 30 is not requested to use the second SIM information, a phone call is not connected.

17D illustrates a second mobile device performing a mobile communication function in response to a request for use of SIM information of a first mobile device based on a second scenario in a state in which the first mobile device and the second mobile device are separated, according to some embodiments; It is a drawing for explaining how to do it.

In operation 1731 , the first mobile device 20 stores the first SIM information in a first downloadable SIM 1 (SIM 1) 520 . Also, the second mobile device 30 stores the second SIM information in a second downloadable SIM 2 (SIM 2) 350 .

In step 1732, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1733 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1734 , the second mobile device 30 activates the phone function. In this case, the second mobile device 30 may manually or automatically activate the phone function by performing step 1010 according to the method described with reference to FIG. 10A . The activation of the phone function of the second mobile device 30 means that user A wants to make a phone call using the second mobile device 30, which is a sub mobile device, instead of the first mobile device 20, which is the main mobile device. It may mean that

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

In operation 1736 , the first mobile device 20 transmits a request for use of the second SIM information to the server 10 of the mobile communication operator.

In step 1737, the server 10 of the mobile communication operator approves the use of the second SIM information.

In step 1738 , the mobile operator's server 10 makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, user B's mobile device 40 in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . In this case, since the first mobile device 20 is not requested to use the first SIM information, a phone call is not connected.

18 is a diagram for explaining a concept of a third scenario in which SIM information is pre-stored in only one of a first mobile device and a second mobile device, according to some embodiments.

Referring to FIG. 18A , first SIM information is previously stored in a first downloadable SIM 1 (SIM 1) 520 of the first mobile device 20 , but The second SIM information is not previously stored in the second downloadable SIM 2 (SIM 2) 350 . Conversely, referring to FIG. 18B , the first SIM information is not previously stored in the first downloadable SIM 1 (SIM 1) 520 of the first mobile device 20, but the second mobile device ( In the second downloadable SIM 2 (SIM 2) 350 of 30), second SIM information is previously stored. In other words, the SIM 520 or 350 may store SIM information in advance regardless of activation of the phone function of the mobile device 20 or 30 .

Referring to (a) of FIG. 18 , when activation of the phone function of the first mobile device 20 is requested in the two-phone use mode, the first mobile device 20 transmits a request to use the first SIM information to the mobile communication service provider. to the server 10 of When the use of the first SIM information is approved by the server 10 of the mobile communication operator, the first mobile device 20 may perform a mobile communication function only in the two-phone use mode. However, according to the third scenario, the first mobile device 20 copies the first SIM information and provides it to the second mobile device 30 , so that the second mobile device 30 receives the copied first SIM information as if it were copied. It can be used as if it were the second SIM information. That is, the second mobile device 30 having the copied first SIM information may perform a mobile communication function in the two-phone use mode by using the copied first SIM information.

Referring to (b) of FIG. 18 , when activation of the phone function of the second mobile device 30 is requested in the two-phone use mode, the second mobile device 30 transmits a request for use of the second SIM information to the mobile communication service provider. to the server 10 of When use of the second SIM information is approved in the server 10 of the mobile communication service provider, the second mobile device 30 may perform a mobile communication function only in the two-phone use mode. However, according to the third scenario, the second mobile device 30 copies the second SIM information and provides it to the first mobile device 20, so that the first mobile device 20 receives the copied second SIM information as if it were It can be used as if it were the first SIM information. That is, the first mobile device 20 having the copied second SIM information may perform a mobile communication function in the two-phone use mode by using the copied second SIM information.

19A illustrates a second request for use of second SIM information stored in a second downloadable SIM (SIM 2) based on a third scenario in a state in which a first mobile device and a second mobile device are combined, according to some embodiments; It is a diagram for explaining a method in which the first mobile device performs a mobile communication function by transmitting from the mobile device.

In operation 1901 , the second mobile device 30 stores the second SIM information in a second downloadable SIM 2 (SIM) 350 .

In step 1902, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1903 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1904 , the first mobile device 20 activates a phone function. In this case, the first mobile device 20 may manually or automatically activate the phone function by performing step 1005 according to the method described with reference to FIG. 10A . The activation of the phone function of the first mobile device 20 may mean that user A intends to make a phone call using the first mobile device 20 that is the main 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 a first downloadable SIM 1 (SIM) 520 .

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

In step 1908 , the second mobile device 30 transmits a request for use of the copied second SIM information to the server 10 of the mobile communication operator.

In step 1909, the server 10 of the mobile communication operator approves the use of the second SIM information.

In step 1910, the mobile operator's server 10 makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . At this time, since the second SIM information has been deleted in the second mobile device 30 , a phone call is not connected.

19B illustrates a first request for use of second SIM information stored in a second downloadable SIM (SIM 2) based on a third scenario in a state in which the first mobile device and the second mobile device are combined, according to some embodiments; It is a diagram for explaining a method in which the first mobile device performs a mobile communication function by transmitting from the mobile device.

In operation 1911 , the second mobile device 30 stores the second SIM information in a second downloadable SIM 2 (SIM 2 ) 350 .

In step 1912, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1913 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1914 , the first mobile device 20 activates a phone function. In this case, the first mobile device 20 may manually or automatically activate the phone function by performing step 1005 according to the method described with reference to FIG. 10A . The activation of the phone function of the first mobile device 20 may mean that user A intends to make a phone call using the first mobile device 20 that is the main 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 a first downloadable SIM 1 (SIM) 520 .

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

In operation 1918, the first mobile device 20 transmits a request for use of the copied second SIM information to the server 10 of the mobile communication operator.

In step 1919, the server 10 of the mobile communication operator approves the use of the second SIM information.

In step 1920, the mobile operator's server 10 makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, user B's mobile device 40 in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . At this time, since the second SIM information has been deleted in the second mobile device 30 , a phone call is not connected.

19C illustrates a second request for use of first SIM information stored in a first downloadable SIM 1 (SIM 1) based on a third scenario in a state in which the first mobile device and the second mobile device are coupled, according to some embodiments; It is a diagram for explaining a method for a second mobile device to perform a mobile communication function by transmitting from a mobile device.

In operation 1921 , the first mobile device 20 stores the first SIM information in a first downloadable SIM 1 (SIM 1) 520 .

In step 1922, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

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

In step 1924 , the second mobile device 30 activates the phone function. In this case, the second mobile device 30 may manually or automatically activate the phone function by performing step 1010 according to the method described with reference to FIG. 10A . The activation of the phone function of the second mobile device 30 means that user A wants to make a phone call using the second mobile device 30, which is a sub mobile device, instead of the first mobile device 20, which is the main mobile device. It may mean that

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 a second downloadable SIM 2 (SIM) 350 .

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

In operation 1928 , the second mobile device 30 transmits a request for use of the copied first SIM information to the server 10 of the mobile communication operator.

In step 1929, the server 10 of the mobile communication operator approves the use of the first SIM information.

In step 1930, the mobile operator's server 10 makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, user B's mobile device 40 in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . At this time, since the first SIM information has been deleted in the first mobile device 20 , a phone call is not connected.

19D illustrates a first request for use of first SIM information stored in a first downloadable SIM 1 (SIM 1) based on a third scenario in a state in which the first mobile device and the second mobile device are combined, according to some embodiments; It is a diagram for explaining a method for a second mobile device to perform a mobile communication function by transmitting from a mobile device.

In operation 1931 , the first mobile device 20 stores the first SIM information in a first downloadable SIM 1 (SIM 1) 520 .

In step 1932, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 1933 , the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 1934 , the second mobile device 30 activates the phone function. In this case, the second mobile device 30 may manually or automatically activate the phone function by performing step 1010 according to the method described with reference to FIG. 10A . The activation of the phone function of the second mobile device 30 means that user A wants to make a phone call using the second mobile device 30, which is a sub mobile device, instead of the first mobile device 20, which is the main mobile device. It may mean that

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 a second downloadable SIM 2 (SIM) 350 .

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

In operation 1938 , the first mobile device 20 transmits a request for use of the copied first SIM information to the server 10 of the mobile communication operator.

In step 1939, the server 10 of the mobile communication operator approves the use of the first SIM information.

In step 1940, the mobile operator's server 10 makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, user B's mobile device 40 in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . At this time, since the first SIM information has been deleted in the first mobile device 20 , a phone call is not connected.

20A illustrates a first request for use of second SIM information stored in a second downloadable SIM 2 based on a third scenario in a state in which the first mobile device and the second mobile device are separated, according to some embodiments; It is a diagram for explaining a method in which the first mobile device performs a mobile communication function by transmitting from the mobile device.

In step 2001 , the second mobile device 30 stores the second SIM information in a second downloadable SIM 2 (SIM 2 ) 350 .

In step 2002, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

In step 2003, the first mobile device 20 and the second mobile device 30 are coupled to each other by establishing a connection by short-range wireless communication.

In step 2004, the first mobile device 20 activates a phone function. In this case, the first mobile device 20 may manually or automatically activate the phone function by performing step 1005 according to the method described with reference to FIG. 10A . The activation of the phone function of the first mobile device 20 may mean that user A intends to make a phone call using the first mobile device 20 that is the main mobile device.

In step 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 step 2006 , the first mobile device 20 stores the copied second SIM information in the first downloadable SIM 1 (SIM 1) 520 .

In step 2007, the second mobile device 30 deletes the stored second SIM information.

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

In step 2009, the first mobile device 20 transmits a request for use of the copied second SIM information to the server 10 of the mobile communication operator.

In step 2010, the server 10 of the mobile communication operator approves the use of the second SIM information.

In step 2011, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . At this time, since the second SIM information has been deleted in the second mobile device 30 , a phone call is not connected.

20B illustrates a second request for use of second SIM information stored in a second downloadable SIM (SIM 2) based on a third scenario in a state in which the first mobile device and the second mobile device are combined, according to some embodiments; It is a diagram for explaining a method in which the first mobile device performs a mobile communication function by transmitting from the mobile device.

In step 2021 , the second mobile device 30 stores the second SIM information in a second downloadable SIM 2 (SIM 2 ) 350 .

In step 2022, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

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

In operation 2024 , the first mobile device 20 activates a phone function. In this case, the first mobile device 20 may manually or automatically activate the phone function by performing step 1005 according to the method described with reference to FIG. 10A . The activation of the phone function of the first mobile device 20 may mean that user A intends to make a phone call using the first mobile device 20 that is the main mobile device.

In step 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 a first downloadable SIM 1 (SIM) 520 .

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

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

In operation 2029 , the second mobile device 30 transmits a request for use of the copied second SIM information to the server 10 of the mobile communication operator.

In step 2030, the server 10 of the mobile communication operator approves the use of the second SIM information.

In step 2031 , the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . At this time, since the second SIM information has been deleted in the second mobile device 30 , a phone call is not connected.

20C illustrates a second request for use of first SIM information stored in a first downloadable SIM (SIM 1) based on a third scenario in a state in which the first mobile device and the second mobile device are separated according to some embodiments; It is a diagram for explaining a method for a second mobile device to perform a mobile communication function by transmitting from a mobile device.

In operation 2041 , the first mobile device 20 stores the first SIM information in a first downloadable SIM 1 (SIM 1) 520 .

In step 2042, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

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

In step 2044 , the second mobile device 30 activates the phone function. In this case, the second mobile device 30 may manually or automatically activate the phone function by performing step 1010 according to the method described with reference to FIG. 10A . The activation of the phone function of the second mobile device 30 means that user A wants to make a phone call using the second mobile device 30, which is a sub mobile device, instead of the first mobile device 20, which is the main mobile device. It may mean that

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 a second downloadable SIM 2 (SIM) 350 .

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

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

In operation 2049, the second mobile device 30 transmits a request for use of the copied first SIM information to the server 10 of the mobile communication operator.

In operation 2050, the server 10 of the mobile communication operator approves the use of the first SIM information.

In step 2051, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . At this time, since the first SIM information has been deleted in the first mobile device 20 , a phone call is not connected.

20D illustrates a first request for use of first SIM information stored in a first downloadable SIM 1 (SIM 1) based on a third scenario in a state in which the first mobile device and the second mobile device are separated, according to some embodiments; It is a diagram for explaining a method for a second mobile device to perform a mobile communication function by transmitting from a mobile device.

In operation 2061 , the first mobile device 20 stores the first SIM information in a first downloadable SIM 1 (SIM 1) 520 .

In step 2062, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

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

In step 2064 , the second mobile device 30 activates a phone function. In this case, the second mobile device 30 may manually or automatically activate the phone function by performing step 1010 according to the method described with reference to FIG. 10A . The activation of the phone function of the second mobile device 30 means that user A wants to make a phone call using the second mobile device 30, which is a sub mobile device, instead of the first mobile device 20, which is the main mobile device. It may mean that

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 a second downloadable SIM 2 (SIM) 350 .

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

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

In operation 2069 , the first mobile device 20 transmits a request for use of the copied first SIM information to the server 10 of the mobile communication operator.

In operation 2070, the server 10 of the mobile communication operator approves the use of the first SIM information.

In step 2071, the server 10 of the mobile communication operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . At this time, since the first SIM information has been deleted in the first mobile device 20 , a phone call is not connected.

21 is a diagram for describing device identification 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 first mobile device 20 and the second mobile device 30 may be assigned the same phone number “+82-10-AAAA-BBBB”. In the first device identification information of the first mobile device 20 , the IMEI of the first mobile device 20 may have a value of “35 abcdef 465607 8”. And, in the first SIM information of the first mobile device 20, ICCID may have a value of “abcd efgh 0710 9991 604”. Meanwhile, in the second device identification information of the second mobile device 30 , the IMEI of the second mobile device 30 is a value of “35 abcdef 465607 8”, and may have the same value as the IMEI of the first device identification information. have. In addition, in the second SIM information of the second mobile device 30 , the ICCID is a value of “abcd efgh 0710 9991 604” and may have the same value as the ICCID of the first SIM information.

That is, as shown in FIG. 21 , the first mobile device 20 and the second mobile device 30 to which the same phone number “+82-10-AAAA-BBBB” is assigned have the same SIM information and the same ICCID. It may have device identification information of IMEI. Compared with the previously described embodiments of FIGS. 11A and 11B , in FIG. 21 , the first device identification information of the first mobile device 20 and the second device identification information of the second mobile device 30 are the same There is a difference in

The following FIGS. 22A to 22F are views related to the embodiment described in FIG. 21 .

22A illustrates a mobile communication function of the first mobile device in a state in which both the phone functions of the first mobile device and the second mobile device are available when device identification information of the first mobile device and the second mobile device are the same, according to some embodiments; It is a diagram for explaining a method of performing the

In step 2201 , the server 10 of the mobile communication operator transmits the first SIM information to the first mobile device 20 .

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

In operation 2203 , the first mobile device 20 stores the received first SIM information in a first downloadable SIM 1 (SIM 1) 520 . In addition, the second mobile device 30 also stores the received second SIM information in a second downloadable SIM 2 (SIM 2 ) 350 .

In step 2204, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

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

In operation 2206 , the first mobile device 20 is set as the most preferred device among the mobile devices 20 and 30 owned by the user A according to the user A's input. Here, the preferred device may mean a device that wants to receive a call connection for a phone number “+82-10-AAAA-BBBB”.

In step 2207 , the second mobile device 30 deactivates the phone function. This is because the first mobile device 20 is set as a preferred device.

In step 2208, the server 10 of the mobile operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . In this case, the second mobile device 30 does not have a phone call connection because the phone function is deactivated.

22B is a diagram illustrating a mobile communication function of a second mobile device in a state in which both the phone functions of the first mobile device and the second mobile device are available when device identification information of the first mobile device and the second mobile device are the same, according to some embodiments; It is a diagram for explaining a method of performing the

In step 2211 , the server 10 of the mobile communication service provider transmits the first SIM information to the first mobile device 20 .

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

In operation 2213 , the first mobile device 20 stores the received first SIM information in a first downloadable SIM 1 (SIM) 520 . In addition, the second mobile device 30 also stores the received second SIM information in a second downloadable SIM 2 (SIM 2 ) 350 .

In step 2214, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

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

In operation 2216 , the second mobile device 30 is set as the most preferred device among the mobile devices 20 and 30 owned by the user A according to the user A's input. Here, the preferred device may mean a device that wants to receive a call connection for a phone number “+82-10-AAAA-BBBB”.

In operation 2217 , the first mobile device 20 deactivates the phone function. This is because the second mobile device 30 is set as a preferred device.

In step 2218, the server 10 of the mobile operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 . In this case, the first mobile device 20 does not have a phone call connection because the phone function is deactivated.

22C illustrates a method of a first mobile device performing a mobile communication function in a state in which only a phone function of the first mobile device is available when device identification information of a first mobile device and a second mobile device are identical, according to some embodiments; It is a drawing for explanation.

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

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

In operation 2223 , the first mobile device 20 stores the received first SIM information in a first downloadable SIM 1 (SIM) 520 . In addition, the second mobile device 30 also stores the received second SIM information in a second downloadable SIM 2 (SIM 2 ) 350 .

In step 2224, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

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

In operation 2226 , the second mobile device 30 notifies the first mobile device 20 of information indicating that the phone function of the second mobile device 30 is in an unavailable state. Here, the state in which the phone function is unavailable may mean a state in which the mobile communication module provided in the second mobile device 30 cannot operate normally, such as failure or blocking.

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

In step 2228, the server 10 of the mobile operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 . At this time, since the second mobile device 30 cannot use the phone function, a phone call is not connected.

22D illustrates a method of a second mobile device performing a mobile communication function in a state in which only a phone function of the first mobile device is available when device identification information of a first mobile device and a second mobile device are identical according to some embodiments; It is a drawing for explanation.

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

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

In operation 2233 , the first mobile device 20 stores the received first SIM information in a first downloadable SIM 1 (SIM) 520 . In addition, the second mobile device 30 also stores the received second SIM information in a second downloadable SIM 2 (SIM 2 ) 350 .

In step 2234, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

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

In operation 2236 , the second mobile device 30 notifies the first mobile device 20 of information indicating that the phone function of the second mobile device 30 is unavailable. Here, the state in which the phone function is unavailable may mean a state in which the mobile communication module provided in the second mobile device 30 cannot operate normally, such as failure or blocking.

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

In step 2238, the server 10 of the mobile operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, an attempt is made to make a phone call to the first mobile device 20 .

In step 2239, the first mobile device 20 transmits the phone call received from the server 10 of the mobile communication operator to the second mobile in an out-of-band wireless connection method using short-range wireless communication. Call forwarding to the device 30 (call forwarding).

22E illustrates a method of a second mobile device performing a mobile communication function in a state in which only a phone function of a second mobile device is available when device identification information of a first mobile device and a second mobile device are identical according to some embodiments; It is a drawing for explanation.

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

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

In operation 2243 , the first mobile device 20 stores the received first SIM information in a first downloadable SIM 1 (SIM) 520 . In addition, the second mobile device 30 also stores the received second SIM information in a second downloadable SIM 2 (SIM 2 ) 350 .

In step 2244, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

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

In operation 2246 , the first mobile device 20 notifies the second mobile device 30 of information indicating that the phone function of the first mobile device 20 is in an unavailable state. Here, the state in which the phone function is unavailable may mean a state in which the mobile communication module provided in the first mobile device 20 cannot operate normally, such as failure or blocking.

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

In step 2248, the server 10 of the mobile operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). is requested, a call connection is attempted to the second mobile device 40 . In this case, since the first mobile device 20 cannot use the phone function, a phone call is not connected.

22F illustrates a method of a first mobile device performing a mobile communication function in a state in which only a phone function of a second mobile device is available when device identification information of a first mobile device and a second mobile device are identical according to some embodiments; It is a drawing for explanation.

In step 2251 , the server 10 of the mobile communication operator transmits the first SIM information to the first mobile device 20 .

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

In operation 2253 , the first mobile device 20 stores the received first SIM information in a first downloadable SIM 1 (SIM) 520 . In addition, the second mobile device 30 also stores the received second SIM information in a second downloadable SIM 2 (SIM 2 ) 350 .

In step 2254, the first mobile device 20 sets the two-phone use mode. In addition, the second mobile device 30 also sets the two-phone use mode.

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

In operation 2256 , the first mobile device 20 notifies the second mobile device 30 of information indicating that the phone function of the first mobile device 20 is in an unavailable state. Here, the state in which the phone function is unavailable may mean a state in which the mobile communication module provided in the first mobile device 20 cannot operate normally, such as failure or blocking.

In step 2257 , the second mobile device 30 activates a phone function.

In step 2258, the server 10 of the mobile operator makes a phone call to the phone number “+82-10-AAAA-BBBB” from other mobile devices (eg, the mobile device 40 of user B in FIG. 1 ). When is requested, a call connection is attempted to the second mobile device 30 .

In step 2259 , the second mobile device 30 transmits the phone call received from the server 10 of the mobile communication service provider to the first mobile in an out-of-band wireless connection method using short-range wireless communication. Call forwarding to the device 20 (call forwarding).

23 is a diagram for describing a hardware configuration of a second mobile device sharing a first phone number of a first mobile device existing on a mobile communication system according to another exemplary embodiment.

Referring to FIG. 23 , the second mobile device 30 may include a control unit 320 , a communication unit 330 , and a SIM 350 . However, the second mobile device 30 may be implemented by more or fewer components than the components shown in FIG. 23 . Meanwhile, the second mobile device 30 of FIG. 23 may correspond to the card-type phone described above and may correspond to another embodiment of the second mobile device 30 of FIG. 4 , but is not limited thereto. The second mobile device 30 of FIG. 23 may process the operations of the second mobile device 30 described above with reference to FIGS. 1 to 22F , even if the description is omitted below.

The controller 320 determines whether the phone function of the first mobile device 20 is deactivated and activates the phone function of the second mobile device 30 .

The SIM 350 receives and stores second SIM information including subscription information on the mobile communication system for the first phone number from the server 10 .

When the phone function of the second mobile device 30 is activated, the communication unit 330 performs a mobile communication function by transmitting a request to use the SIM information to the server 10 of the mobile communication operator.

24 is a flowchart of a method of providing a mobile communication service using a second mobile device sharing a first phone number of a first mobile device, according to some embodiments. Referring to FIG. 24 , the method of providing a mobile communication service by the second mobile device 30 according to the present embodiment includes steps that are time-series processed by the second mobile device 30 described above with reference to the drawings. Accordingly, even if omitted below, the contents of the drawings described above may be applied to the method of FIG. 24 .

In step 2401 , the controller 320 determines whether the phone function of the first mobile device 20 is deactivated.

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

In step 2403 , when the phone function of the second mobile device 30 is activated, the communication unit 330 includes second SIM information stored in the SIM 350 including subscription information for a mobile communication service for the first phone number. Activation is requested from the server 10 of the mobile communication service provider.

In operation 2404, when the second SIM information is activated in the server 10 of the mobile communication operator, the communication unit 330 performs a mobile communication function using the activated second SIM information.

25 is a diagram for explaining synchronization of recent call history between a first mobile device and a second mobile device, according to some embodiments.

As described above, each of the first mobile device 20 and the second mobile device 30 is a device capable of independently making a phone call. Accordingly, the history of phone calls performed in the first mobile device 20 is stored only in the first mobile device 20 , and the history of phone calls performed in the second mobile device 30 is stored in the second mobile device 30 . ) can be stored only in However, since the devices 20 and 30 share one phone number, the devices 20 and 30 need to synchronize recent call histories with each other for user convenience.

The time point at which the recent call history is synchronized between the devices 20 and 30 may be a time point at which the devices 20 and 30 are separated or a time point at which the devices 20 and 30 are combined, but is not limited thereto. Recent call history can be synchronized at any time desired.

26 is a flowchart illustrating a method of synchronizing a recent call history when a first mobile device and a second mobile device are separated, according to some embodiments.

Referring to FIG. 26 , the separation of the first mobile device 20 and the second mobile device 30 allows the user to use the second mobile device ( 30) (eg, a card-type phone) may be assumed.

In step 2601 , the first mobile device 20 stores a recent call history related to the last phone call in the current coupled state with the second mobile device 30 .

In step 2602 , when a request for separation of the first mobile device 20 and the second mobile device 30 is input by the user, the first mobile device 20 performs the separation of the devices 20 and 30 . set

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

In step 2604 , the first mobile device 20 receives, from the second mobile device 30 , an index of the last phone call among recent call histories stored in the second mobile device 30 . Here, the index (or sync index) is identification information allocated to classify each phone call item included in the recent call history in order to manage the recent call history in the second mobile device 30 . can Meanwhile, not only the second mobile device 30 but also the first mobile device 20 may similarly manage the recent call history using an index (or a sync index).

In operation 2605 , the first mobile device 20 determines whether the index received from the second mobile device 30 is the same as the index of the last phone call of the first mobile device 20 . That is, the first mobile device 20 may determine whether there is a difference from the recent call history of the second mobile device 30 or whether synchronization of the recent call history is required based on the received index. If the indices are not identical, step 2606 is performed. However, if the indices are the same, synchronization of the recent call history is not required, so the method ends.

In step 2606 , the first mobile device 20 generates information about the phone call history after the index received from the second mobile device 30 . Such information relates to information about a recent call history that exists only in the first mobile device 20 and does not exist in the second mobile device 30 .

In operation 2607 , the second mobile device 30 updates the recent call history of the second mobile device 30 by using the information about the phone call history received from the first mobile device 20 . Accordingly, the synchronization of the recent call history between the first mobile device 20 and the second mobile device 30 may be completed.

In step 2608 , the second mobile device 30 is separated from the first mobile device 20 . That is, the user may use the phone call function through the second mobile device 30 instead of the first mobile device 20 .

Meanwhile, according to another embodiment, the first mobile device 20 receives the entire recent call history of the second mobile device 30 from the second mobile device 30 after step 2603, and The call history may be updated by replacing the recent call history of the first mobile device 20 . That is, according to another embodiment, steps 2604 to 2606 may be omitted.

27 is a diagram for describing a database related to a recent call history stored in a device according to an exemplary embodiment.

Referring to FIG. 27 , the recent call history in the device 20 or 30 may include a call/call time and a call/call phone number, and for each of the phone call items, a sync index is assigned to the table 2700 to be databased. can The sync index is identification information allocated to classify each phone call item, and the first mobile device 20 and the second mobile device 30 compare sync indexes stored in each other to determine whether synchronization of recent call histories is required. can be judged Meanwhile, the database regarding recent call histories described in the present embodiments is not limited by the table 2700 shown in FIG. 27 , and may be managed with other similar tables or texts.

28 is a flowchart illustrating a method of synchronizing a recent call history when a first mobile device and a second mobile device are coupled, according to some embodiments.

Referring to FIG. 28 , it is assumed that the combination of the first mobile device 20 and the second mobile device 30 is when the user wants to use the first mobile device 20 (eg, a smartphone). can do.

In operation 2801 , the first mobile device 20 stores a recent call history related to the last phone call in a state currently separated from the second mobile device 30 .

In step 2802 , when a request for coupling of the first mobile device 20 and the second mobile device 30 is input by the user, the second mobile device 30 performs the coupling of the devices 20 and 30 . set

In operation 2803 , the second mobile device 30 requests synchronization of the recent call history from the first mobile device 20 .

In operation 2804 , the second mobile device 30 receives, from the first mobile device 20 , an index of the last phone call among recent call histories stored in the first mobile device 20 . Here, the index (or sync index) may be identification information allocated to classify each phone call item included in the recent call history in order to manage the recent call history within the first mobile device 20 . Meanwhile, not only the first mobile device 20 but also the second mobile device 30 may similarly manage the recent call history using an index (or sync 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 phone call of the second mobile device 30 . That is, the second mobile device 30 may determine whether there is a difference from the recent call history of the first mobile device 20 or whether synchronization of the recent call history is required based on the received index. If the indices are not identical, step 2806 is performed. However, if the indices are the same, synchronization of the recent call history is not required, so the method ends.

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

In operation 2807 , the first mobile device 20 updates the recent call history of the first mobile device 20 by using the information about the phone call history received from the second mobile device 30 . Accordingly, the synchronization of the recent call history between the second mobile device 30 and the first mobile device 20 may be completed.

At 2808 , the first mobile device 20 is coupled with the second mobile device 30 . That is, the user may use the phone call function through the first mobile device 20 instead of the second mobile device 30 .

Meanwhile, according to another embodiment, the second mobile device 30 receives the entire recent call history of the first mobile device 20 from the first mobile device 20 after step 2803, and receives the entire recent call history of the first mobile device 20 The call history may be updated by replacing the recent call history of the second mobile device 30 . That is, according to another embodiment, steps 2804 to 2806 may be omitted.

29 is a diagram for describing a mobile communication system including a wearable device according to some embodiments.

Referring to FIG. 29 , the first mobile device 20 and the second mobile device 30 are devices that share one phone number as described in FIG. 1 and the like. The wearable device 50 may correspond to a standalone type or a companion type device.

When the wearable device 50 is a standalone device, a phone number different from that of 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 communication operator may map the phone number of the wearable device 50 to the phone number of the first mobile device 20 (or the second mobile device 30 ). Accordingly, in terms of the system, the first mobile device 20 (or the second mobile device 30 ) and the wearable device 50 are managed as having different phone numbers, but the first mobile device 20 (or the second In the user or third party side of the mobile device 30) and the wearable device 50, the first mobile device 20 (or the second mobile device 30) and the wearable device 50 share one phone number. can be recognized as

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

Hereinafter, in FIGS. 30, 31, 34 and 35 , when the wearable device 50 is a standalone type, a method for interworking a phone call using the wearable device 50 will be described. And, in FIGS. 32, 33, 36 and 37 below, when the wearable device 50 is a standalone type, a method for interworking a phone call using the wearable device 50 will be described.

30 is a flowchart illustrating a method for a standalone type wearable device to perform a phone call on behalf of a first mobile device, according to some embodiments.

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

In step 3001 , the wearable device 50 requests a connection to the first mobile device 20 . Here, the connection method between the wearable device 50 and the first mobile device 20 may include various short-range wireless communication methods such as Wi-Fi, Wi-Fi Direct, Bluetooth, NFC, and the like.

In operation 3002 , the wearable device 50 and the first mobile device 20 synchronize recent call histories. Here, the synchronization of the recent call history may be performed similarly to the method performed between the devices 20 and 30 described with reference to FIG. 28 .

In step 3003 , the wearable device 50 is set as a preferred destination device for preferentially receiving a phone call on behalf of the first mobile device 20 .

In step 3004 , the first mobile device 20 is set as a preliminary destination device for preliminarily receiving a phone call in case a phone call using the wearable device 50 is impossible.

In step 3005 , since the wearable device 50 corresponds to a preferential destination device, the wearable device 50 is set to a call standby state.

In step 3006, when there is a phone call request from the outside (eg, a third party), the server 10 of the mobile communication service provider transmits the phone call request to the wearable device 50 set as the preferred destination device. Meanwhile, according to FIG. 30 , the phone number of the first mobile device 20 is “+82-10-AAAA-BBBB”, and the phone number of the wearable device 50 is “+82-10-CCCC-DDDD”. , are different from each other. However, as previously described in FIG. 29 , in the server 10 of the mobile communication service provider, the phone number of the first mobile device 20 is “+82-10-AAAA-BBBB” and the phone number of the wearable device 50 . maps “+82-10-CCCC-DDDD”, and the mobile communication operator's server 10 indicates that the representative phone number used by the users of the first mobile device 20 and the wearable device 50 is the first mobile device Since the phone number of (20) is managed as “+82-10-AAAA-BBBB”, the external (third party) may recognize the phone number “+82-10-CCCC-DDDD” of the wearable device 50 separately. may not need That is, with only the phone number “+82-10-AAAA-BBBB” of the first mobile device 20 , it is possible to make a phone call with the first mobile device 20 or the wearable device 50 from the outside (a third party). .

In step 3007 , the wearable device 50 notifies the user of the wearable device 50 that there is an incoming call.

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

In step 3009 , the first mobile device 20 notifies the user of the first mobile device 20 that there is an incoming call.

In step 3010 , the wearable device 50 starts a phone call requested from the server 10 of the mobile communication service provider.

In step 3011, when the phone call is completed, the wearable device 50 ends the phone call.

In step 3012 , when the phone call is terminated, the wearable device 50 notifies the first mobile device 20 that the phone call is terminated.

In step 3013 , the wearable device 50 updates the recent call history based on information about the ended phone call.

In step 3014, the first mobile device 20 also updates the recent call history based on the information on the ended phone call.

31 is a standalone type wearable device according to some embodiments is set to perform a phone call on behalf of the first mobile device, but unlike FIG. 30 , a method of performing a phone call when a call is not possible in the wearable device is a flow chart for

Referring to FIG. 31 , it is assumed that the standalone type wearable device 50 is connectable only to the first mobile device 20 and cannot be connected to the second mobile device 30 .

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

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

In step 3103 , the wearable device 50 is set as a preferred destination device for preferentially receiving a phone call on behalf of the first mobile device 20 .

In step 3104 , the first mobile device 20 is set as a preliminary destination device for receiving a phone call in advance in case a phone call using the wearable device 50 is impossible.

In operation 3105 , since the wearable device 50 corresponds to a preferential destination device, the wearable device 50 is set to a call standby state.

In step 3106, when there is a phone call request from the outside (eg, a third party), the server 10 of the mobile communication service provider transmits the phone call request to the wearable device 50 set as the preferred destination device.

In step 3107 , the wearable device 50 notifies the user of the wearable device 50 that there is an incoming call.

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

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

In operation 3110 , when the wearable device 50 does not respond for a predetermined time, the server 10 of the mobile communication service provider changes the destination device to the first mobile device 20 .

In step 3111, the server 10 of the mobile communication operator retransmits the phone call request to the first mobile device 20 set as a preliminary destination device.

In step 3112 , the first mobile device 20 initiates a phone call requested from the server 10 of the mobile communication service provider.

In step 3113, when the phone call is completed, the first mobile device 20 ends the phone call.

In step 3114 , when the phone call is terminated, the first mobile device 20 notifies the wearable device 50 that the phone call is terminated.

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

In step 3116 , the first mobile device 20 also updates the recent call history based on the information about the ended phone call.

32 is a flowchart illustrating a method of making a phone call in a first mobile device connected to a companion type wearable device according to some embodiments.

Referring to FIG. 32 , it is assumed that the companion type wearable device 50 is connectable only to the first mobile device 20 and is not connectable to the second mobile device 30 .

In operation 3201 , the wearable device 50 and the first mobile device 20 are connected through wireless communication.

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

In step 3203 , the server 10 of the mobile communication service provider transmits a phone call request to the first mobile device 20 when there is a phone call request from the outside (eg, a third party). Meanwhile, unlike FIGS. 30 and 31 , since the wearable device 50 is a companion type, the server 10 of a mobile communication service provider cannot directly transmit a phone call request to the wearable device 50 .

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

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

In operation 3206 , the wearable device 50 notifies the user of the wearable device 50 that there is an incoming call.

In operation 3207 , the user of the first mobile device 20 receives an incoming phone call from the first mobile device 20 .

In step 3208 , the first mobile device 20 informs the wearable device 50 that a phone call has started.

In step 3209, when the phone call is completed, the first mobile device 20 ends the phone call.

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

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

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

33 is a flowchart illustrating a method of receiving a phone call requested to a first mobile device in a companion type wearable device instead, according to some embodiments.

Referring to FIG. 33 , it is assumed that the companion type wearable device 50 is connectable only to the first mobile device 20 and is not connectable to the second mobile device 30 .

In operation 3301 , the wearable device 50 and the first mobile device 20 are connected through wireless communication.

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

In step 3303 , the server 10 of the mobile communication service provider transmits a phone call request to the first mobile device 20 when there is a phone call request from the outside (eg, a third party). Meanwhile, unlike FIGS. 30 and 31 , since the wearable device 50 is a companion type, the server 10 of a mobile communication service provider cannot directly transmit a phone call request to the wearable device 50 .

In step 3304 , the first mobile device 20 notifies the user of the first mobile device 20 that there is an incoming call.

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

In operation 3306 , the wearable device 50 notifies the user of the wearable device 50 that there is an incoming call.

In operation 3307 , the user of the wearable device 50 receives a phone call from the wearable device 50 .

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

In step 3309, when the phone call is completed, the wearable device 50 ends the phone call.

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

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

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

34 is a flowchart illustrating a method in which a standalone type wearable device performs a phone call on behalf of a second mobile device (card type phone) according to some embodiments.

Referring to FIG. 34 , it is assumed that, unlike FIGS. 30 to 33 , the standalone type wearable device 50 is connectable only to the second mobile device 30 and is not connectable to the first mobile device 20 .

In operation 3401 , the wearable device 50 requests a connection to the second mobile device 30 . Here, the connection method between the wearable device 50 and the second mobile device 30 may include 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 recent call histories. Here, the synchronization of the recent call history may be performed similarly to the method performed between the devices 20 and 30 described with reference to FIG. 28 .

In operation 3403 , the wearable device 50 is set as a preferred destination device for preferentially receiving a phone call on behalf of the second mobile device 30 .

In step 3404 , the second mobile device 30 is set as a preliminary destination device for receiving a phone call in advance in case a phone call using the wearable device 50 is impossible.

In operation 3405 , since the wearable device 50 corresponds to a preferential destination device, the wearable device 50 is set to a call standby state.

In step 3406, when there is a phone call request from the outside (eg, a third party), the server 10 of the mobile communication service provider transmits the phone call request to the wearable device 50 set as the preferred destination device. Meanwhile, according to FIG. 30 , the phone number of the second mobile device 30 is “+82-10-AAAA-BBBB”, and the phone number of the wearable device 50 is “+82-10-CCCC-DDDD”. , are different from each other. However, as previously described in FIG. 29 , in the server 10 of the mobile communication service provider, the phone number of the second mobile device 30 is “+82-10-AAAA-BBBB” and the phone number of the wearable device 50 . maps “+82-10-CCCC-DDDD”, and the server 10 of the mobile communication operator has a representative phone number used by the users of the second mobile device 30 and the wearable device 50 is the second mobile device (30) is managed as “+82-10-AAAA-BBBB”, so the external (third party) can recognize the phone number “+82-10-CCCC-DDDD” of the wearable device 50 separately. may not need That is, with only the phone number “+82-10-AAAA-BBBB” of the second mobile device 30 , it is possible to make a phone call with the second mobile device 30 or the wearable device 50 from the outside (a third party). .

In step 3407 , the wearable device 50 notifies the user of the wearable device 50 that there is an incoming call.

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

In operation 3409 , the second mobile device 30 notifies the user of the second mobile device 30 that there is an incoming call.

In operation 3410, the wearable device 50 starts a phone call requested from the server 10 of the mobile communication operator.

In step 3411, when the phone call is completed, the wearable device 50 ends the phone call.

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

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

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

35 is a standalone type wearable device according to some embodiments is set to perform a phone call on behalf of the second mobile device, but unlike FIG. 34 , a method of performing a phone call when a call is not possible in the wearable device. is a flow chart for

Referring to FIG. 35 , it is assumed that the standalone type wearable device 50 is connectable only to the second mobile device 30 and is not connectable to the first mobile device 20 .

In step 3501 , the wearable device 50 requests a connection to the second mobile device 30 .

In step 3502 , the wearable device 50 and the second mobile device 30 synchronize recent call histories.

In step 3503 , the wearable device 50 is set as a preferred destination device for preferentially receiving a phone call on behalf of the second mobile device 30 .

In step 3504 , the second mobile device 30 is set as a preliminary destination device for receiving a phone call in advance in case a phone call using the wearable device 50 is impossible.

In operation 3505 , since the wearable device 50 corresponds to a preferential destination device, the wearable device 50 is set to a call standby state.

In step 3506, when there is a phone call request from the outside (eg, a third party), the server 10 of the mobile communication service provider transmits the phone call request to the wearable device 50 set as the preferred destination device.

In step 3507 , the wearable device 50 notifies the user of the wearable device 50 that there is an incoming call.

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

In step 3509 , the second mobile device 30 notifies the user of the second mobile device 30 that there is an incoming call.

In step 3510 , the server 10 of the mobile communication operator changes the destination device to the second mobile device 30 when the wearable device 50 does not respond for a predetermined time.

In step 3511 , the server 10 of the mobile communication service provider retransmits the phone call request to the second mobile device 30 set as a preliminary destination device.

In step 3512 , the second mobile device 30 initiates a phone call requested from the server 10 of the mobile communication operator.

In step 3513 , when the phone call is completed, the second mobile device 30 ends the phone call.

In step 3514 , when the phone call is terminated, the second mobile device 30 notifies the wearable device 50 that the phone call is terminated.

In step 3515 , the wearable device 50 updates the recent call history based on information about the ended phone call.

In step 3516 , the second mobile device 30 also updates the recent call history based on the information about the ended phone call.

36 is a flowchart illustrating a method of making a phone call in a second mobile device connected to a companion type wearable device according to some embodiments.

Referring to FIG. 36 , it is assumed that the companion type wearable device 50 is connectable only 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 through wireless communication.

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

In step 3603 , the server 10 of the mobile communication service provider transmits a phone call request to the second mobile device 30 when there is a phone call request from the outside (eg, a third party). Meanwhile, unlike FIGS. 34 and 35 , since the wearable device 50 is a companion type, the server 10 of the mobile communication service provider cannot directly transmit a phone call request to the wearable device 50 .

In step 3604 , the second mobile device 30 notifies the user of the second mobile device 30 that there is an incoming call.

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

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

In step 3607 , the user of the second mobile device 30 receives an incoming call from the second mobile device 30 .

In step 3608 , the second mobile device 30 informs the wearable device 50 that a phone call has started.

In step 3609, when the phone call is completed, the second mobile device 30 ends the phone call.

In step 3610 , when the phone call is terminated, the second mobile device 30 notifies the wearable device 50 that the phone call is terminated.

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

In step 3612 , the second mobile device 30 also updates the recent call history based on the information about the ended phone call.

37 is a flowchart for explaining a method of receiving a phone call requested to a second mobile device from a companion type wearable device instead, according to some embodiments.

Referring to FIG. 37 , it is assumed that the companion type wearable device 50 is connectable only to the second mobile device 30 and is not connectable to the first mobile device 30 .

In step 3701 , the wearable device 50 and the second mobile device 30 are connected through wireless communication.

In step 3702 , the second mobile device 30 is set to a call waiting state.

In step 3703 , the server 10 of the mobile communication service provider transmits a phone call request to the second mobile device 30 when there is a phone call request from the outside (eg, a third party). Meanwhile, unlike FIGS. 34 and 35 , since the wearable device 50 is a companion type, the server 10 of the mobile communication service provider cannot directly transmit a phone call request to the wearable device 50 .

In step 3704 , the second mobile device 30 notifies the user of the second mobile device 30 that there is an incoming call.

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

In operation 3706 , the wearable device 50 notifies the user of the wearable device 50 that there is an incoming call.

In operation 3707 , the user of the wearable device 50 receives a phone call from the wearable device 50 .

In step 3708 , the second mobile device 30 forwards the phone call request to the wearable device 50 .

In step 3709 , when the phone call is completed, the wearable device 50 ends the phone call.

In step 3710 , when the phone call is terminated, the wearable device 50 notifies the second mobile device 30 that the phone call is terminated.

In step 3711, the wearable device 50 updates the recent call history based on the information about the ended phone call.

In step 3712, the second mobile device 30 also updates the recent call history based on the information about the ended phone call.

Some embodiments may also be implemented in the form of a recording medium containing instructions executable by a computer, such as program modules to be executed by a computer. Computer-readable media can be any available media that can be accessed by a computer and includes both volatile and nonvolatile media, removable and non-removable media. In addition, computer-readable media may include both computer storage media and communication media. Computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Communication media typically includes computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave, or other transport mechanism, and includes any information delivery media.

Also, in this specification, “unit” 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.

The above description of the present invention is for illustration, and those of ordinary skill in the art to which the present invention pertains can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims rather than the above detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention. do.

1: Mobile communication system 10: Server of mobile communication service provider
20: first mobile device 30: second mobile device
40: mobile device
310: user interface unit 320: control unit
330: communication unit 340: memory unit
350: SIM

Claims (20)

A method of operating a wearable device including a first Subscriber Identification Module (SIM), the method comprising:
establishing a short-range wireless communication connection with a mobile device including a second SIM in which second SIM information to which a second phone number is assigned is stored;
receiving first SIM information to which a first phone number is assigned from the mobile device through the short-range wireless communication;
storing the received first SIM information in the first SIM included in the wearable device;
establishing a mobile communication connection based on the first SIM information stored in the first SIM; and
and receiving a phone call request for the second phone number based on the first SIM information to which the first phone number is assigned through the mobile communication. According to claim 1,
The first SIM is
A method of operating a wearable device that is a downloadable SIM (SIM) and has an ICCID value different from that of the second SIM. According to claim 1,
The short-range wireless communication includes Bluetooth communication, the wearable device operating method. A method of operating a wearable device including a Subscriber Identification Module (SIM), the method comprising:
establishing a connection between the mobile device and short-range wireless communication;
receiving SIM information to which a phone number of the wearable device is assigned from the mobile device through the short-range wireless communication;
storing the received SIM information in the SIM included in the wearable device;
establishing a mobile communication connection based on the SIM information stored in the SIM; and
and receiving a phone call request for the phone number of the mobile device based on the SIM information to which the phone number of the wearable device is assigned through the mobile communication. 5. The method of claim 4,
The SIM is
A method of operating a wearable device that is a downloadable SIM (SIM) and has an ICCID value different from that of the SIM of the mobile device. 5. The method of claim 4,
The short-range wireless communication includes Bluetooth communication, the wearable device operating method. A wearable device comprising:
a first Subscriber Identification Module (SIM);
a communication unit including a short-range wireless communication module and a mobile communication module; and
including a processor;
The processor is
Establishing a short-range wireless communication connection with a mobile device including a second SIM in which second SIM information to which a second phone number is assigned is stored;
receiving first SIM information to which a first phone number is assigned from the mobile device through the short-range wireless communication;
storing the received first SIM information in the first SIM included in the wearable device;
establishing a mobile communication connection based on the first SIM information stored in the first SIM;
and receiving a phone call request for the second phone number based on the first SIM information to which the first phone number is assigned through the mobile communication. 8. The method of claim 7,
The first SIM is
A downloadable SIM (SIM), the wearable device having an ICCID value different from that of the second SIM. 8. The method of claim 7,
The short-range wireless communication includes Bluetooth communication, a wearable device. A wearable device comprising:
a first Subscriber Identification Module (SIM);
a communication unit including a short-range wireless communication module and a mobile communication module; and
including a processor;
The processor is
Establishing a connection between the mobile device and short-range wireless communication,
receiving SIM information to which a phone number of the wearable device is assigned from the mobile device through the short-range wireless communication;
storing the received SIM information in the SIM included in the wearable device;
establishing a mobile communication connection based on the SIM information stored in the SIM;
Through the mobile communication, the wearable device receives a phone call request for the phone number of the mobile device based on the SIM information to which the phone number of the wearable device is assigned. 11. The method of claim 10,
The SIM is
A wearable device that is a downloadable SIM (SIM) and has an ICCID value different from that of the SIM of the mobile device. 11. The method of claim 10,
The short-range wireless communication includes Bluetooth communication, a wearable device. delete delete delete delete delete delete delete delete

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