WO2016104857A1

WO2016104857A1 - Security communication method and device

Info

Publication number: WO2016104857A1
Application number: PCT/KR2015/000145
Authority: WO
Inventors: 유수근; 이동채
Original assignee: 주식회사 카우치그램
Priority date: 2014-12-23
Filing date: 2015-01-07
Publication date: 2016-06-30
Also published as: KR20160076643A; KR101638023B1

Abstract

The present invention relates to a security communication method and device which, even when there is a call during an owner's absence, does not allow any other except for the owner to receive the call. In the method and device, a person is allowed to receive a call by inputting a drag operation combination coinciding with a pre-configured communication approval combination in a call termination screen. Therefore, the method and device can prevent any other except for an owner from receiving a call and thus can solve the problem of communication security.

Description

Secure call method and device

The present invention relates to a secure call method and apparatus, and more particularly, when a call comes to a smartphone, a call is received while the owner of the smartphone is away by receiving a call by inputting a preset drag operation on the incoming screen. The present invention relates to a secure call method and device that protects personal information by preventing other people from receiving it.

In general, a mobile communication terminal refers to a communication system in which mobility is provided so that a user can communicate voice, video, data, and the like through a terminal regardless of place.

The result of the recent technology among these terminals is a smartphone, which is a high-performance mobile communication terminal that provides functions such as program driving and data communication, PC interworking. A smart phone is a hybrid wireless communication device that combines the advantages of a mobile phone and a personal digital assistant (PDA), and it is common to add PDA functions to the functions of a mobile phone. Wireless Internet and the like are widely available.

In addition, recently, many economic or social problems are generated due to the leakage of technical information and various privacy information, and interest in privacy protection is also increasing.

However, in the case of a smartphone which is widely used at present, when a call is received while the owner is away, anyone can make a call by manipulating a call icon, which may cause a call security problem in which privacy is unintentionally disclosed.

Therefore, there is a need to solve the call security problem by preventing anyone other than the smartphone owner from making a call.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a secure call method and apparatus that does not allow a call to be received by anyone except the owner even when a call is received while the owner is away.

In order to achieve the above object, the secure call method according to the present invention includes the steps of displaying a call connection icon when receiving a call, a step of inputting a drag operation combination having the call connection icon as a starting point and the drag operation combination; Comparing a preset call acceptance combination; and receiving a call when the drag operation combination and the call acceptance combination match.

The method may further include a call acceptance combination setting step, wherein the call acceptance combination setting step includes: displaying a call acceptance combination setting screen including a call connection icon; receiving a first drag operation combination; and receiving the first drag operation; And storing the manipulation combination as a call acceptance combination.

The displaying of the setting screen may further include displaying at least one candidate region, and the storing may include storing the selected region among the candidate regions as a call acceptance combination.

The receiving of the first drag manipulation combination may include: receiving the first drag manipulation combination from a user and receiving a second drag manipulation combination a plurality of times to confirm the first drag manipulation combination; And comparing the first drag manipulation combination with the second drag manipulation combination and receiving the second drag manipulation combination again.

The call accepting combination may be set for each contact stored in the address book.

The comparing may include comparing the call accepting combination corresponding to the received number with the drag manipulation combination.

In addition, the call accept combination is set for each contact group stored in the address book.

The comparing may include comparing the call acceptance combination corresponding to the group to which the received number belongs and the drag manipulation combination.

The method may further include setting an emergency contact.

In addition, the step of receiving the call, when the incoming call from the emergency contact, characterized in that receiving the call without going through the comparing step.

The setting of the emergency contact may further include setting an incoming call mode corresponding to the emergency contact, wherein the incoming call mode is one of a general call mode and a secure call release mode.

The general call mode is a mode in which a call connection icon and a call end icon are displayed on the incoming screen, and the call connection icon is dragged in the direction of the call end icon to receive a call, and the secure call release mode is a drag operation. Regardless of the start point or direction or end point, it is a mode for receiving a call when an operation is input from a user.

The method may further include setting a general call mode switching password.

In addition, the conversion password is entered into a general call mode, the general call mode, the call connection icon and the call end icon is displayed on the incoming screen, drag the call connection icon toward the call end icon to receive a call It is characterized by the mode.

The call accepting combination may include a first area belonging to an end point of a third drag operation having the call connection icon as a starting point, and a second area belonging to an end point of a fourth drag operation having the call connection icon as a starting point. It is characterized by.

The method may further include setting a valid time which is a time from which a valid fourth drag operation is input after the third drag operation, wherein a horizontal drag operation or a touch operation is input using the call connection icon as a starting point; If the valid fourth drag operation is not input during the valid time after the third drag operation, call reception is rejected.

According to another aspect of the present invention, there is provided a secure call apparatus comprising: a communication unit for a call and data communication, an input unit receiving a drag operation combination input having a call connection icon as a starting point, and comparing the drag operation combination with a preset call acceptance combination; And a control unit including an acceptance processing unit for receiving a call when the drag operation combination matches the call acceptance combination.

The control unit may further include a setting unit for setting a call acceptance combination, wherein the setting unit includes a setting screen display unit for outputting a setting screen of the call acceptance combination and a storage unit for storing a call acceptance combination received from a user. It features.

In addition, the call acceptance combination is set for each contact stored in the address book, the storage unit further stores the contact, and the acceptance processing unit, when the call is received from the contact, the drag operation combination and the call set for each contact Comparing the acceptance combination, if the drag operation combination is matched with the call acceptance combination, it is characterized in that to receive a call.

The call accepting combination is set for each contact group stored in the address book, the storing unit further stores the contact group, and the acceptance processing unit receives the contact from the contacts belonging to the contact group. And a call accepting combination set for each contact group, and if the drag manipulation combination matches the call accepting combination, receiving a call.

The setting unit may further include an emergency contact setting unit configured to receive and store emergency contact information and an incoming call mode corresponding to the emergency contact information. The control unit may further include a release processing unit. The incoming call mode may include a call connection icon. The call termination icon is displayed on the incoming call screen, and the operation is input from the user regardless of the position or direction or the end point of the normal call mode and the start point of the drag operation, and the call connection icon is dragged toward the call end icon. And a secure call release mode for receiving a call, wherein the release processing unit includes an emergency call execution unit for receiving a call in an incoming call mode corresponding to the emergency contact when the call is received from the emergency contact.

The release processing unit may further include a switching unit configured to store the general call mode switch password and to switch to the general call mode when the switch password is input.

The call accepting combination may include a first region belonging to an end point of a first drag operation having the call connection icon as a starting point and a second region belonging to an end point of a second drag operation having the call connection icon as a starting point. It is characterized by.

The control unit may further include a rejection processing unit that rejects a call, and the storage unit may further store an effective time until a valid second drag operation is input after a first dragging operation. When the horizontal drag operation or the touch operation using the call connection icon as a starting point is input or the second drag operation is not input during the effective time after the first drag operation, the call reception is rejected.

As described above, the method and apparatus for secure call connection according to an embodiment of the present invention requires that the call is received by dragging the call connection icon to a preset area on the incoming screen to receive a call. Even if it comes, the call security problem can be solved by not receiving the call except the owner.

1 is a block diagram of a security call device according to an embodiment of the present invention.

2 is a block diagram of a control unit according to an embodiment of the present invention.

3 is a flowchart illustrating a method for setting a call acceptance combination according to the present invention.

4 is a flowchart illustrating a method for setting an emergency contact according to the present invention.

5 is a flowchart illustrating a security call method according to the present invention.

6 is an exemplary view for explaining an embodiment of a call acceptance combination according to the present invention.

7 is an exemplary view for explaining a method for receiving a call in a secure call connection method according to the present invention.

8 is an exemplary view for explaining a method for rejecting a call in a secure call connection method according to the present invention.

Hereinafter, a security call method and apparatus according to the present invention will be described with reference to the accompanying drawings.

As shown in the figure, it includes a mobile terminal 130_n, a network 150 and a service server 170 in which the secure call device 110 according to the present invention is embedded.

Hereinafter, the above components will be described in order.

The secure call device 110 includes a communication unit 111, an input unit 113, and a control unit 115.

The communication unit 111 may include one or more modules that enable communication with the network 130 located between the mobile terminal 130_n and the mobile terminal base station (not shown) or the service server 170. For example, the communication unit 111 may include a mobile communication unit, a short-range communication unit, and a wireless Internet unit for communicating with the mobile terminal base station.

The mobile communication unit transmits and receives a radio signal with at least one of a base station, an external terminal, and a server in a mobile communication network. In this case, the wireless signal may include various types of data according to transmission and reception of a voice call signal, a video call signal, or a text / multimedia message.

The wireless Internet unit refers to a module for wireless Internet access. Such technologies include wireless LAN (Wi-Fi), wireless broadband (Wibro), world interoperability for microwave access (Wimax), and high speed downlink packet access (HSDPA). ) May be used.

The local area communication unit refers to a module for local area communication. Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), Zigbee, etc. may be used for short range communication technology.

The input unit 113 receives a signal from the communication unit 111 or the user and transmits the signal to the control unit 115 to perform the security call function in the control unit 115.

2 is a block diagram for explaining in detail the configuration of the controller 115 according to the present invention.

Referring to FIG. 2, the control unit 115 may include an acceptance processing unit 210, a setting unit 230, a release processing unit 250, and a rejection processing unit 270.

Acceptance processing unit 210 is a combination of the drag operation received from the user on the incoming screen when the call is received and a combination of the drag operation for receiving a call stored in the storage unit 231 of the setting unit 230 (hereinafter 'call acceptance Combination) to determine whether to receive a call.

The call accept combination may be set to a first area belonging to the end point of the first drag operation having the call connection icon as a starting point and a second area belonging to the end point of the second drag operation having the call connection icon as the starting point. In this case, the first drag operation is input from the incoming call screen to the first area set as the call accept combination, and when the second drag operation is input to the second area, the call is received and at least one of the first area and the second area is received. If not, the first and second drag manipulations may be input again from the user.

The setting unit 230 may include a storage unit 231, a setting screen display unit 233, and an emergency contact setting unit 235.

The storage unit 231 stores a call acceptance combination and a valid time set by the user.

The valid time refers to a time set for receiving a valid drag operation. If the second drag operation is not input during the valid time after the first drag operation, the rejection processing unit 270 may reject the call. Such a valid time is preferably between 1 second and 3 seconds. If it is set shorter than 1 second, an unintended call rejection may occur. If it is set longer than 3 seconds, it may take a long time for the call rejection.

The setting screen display unit 233 displays a screen for setting the call acceptance combination on the display of the mobile terminal 170_n, and the call acceptance combination input from the user in the setting screen is stored in the storage unit 231. The call accepting combination may be set to a first region, which is an area to which the end point of the first drag operation, which has the call connection icon as a starting point, and a second region, which is an area which belongs to an end point of the second drag operation, which is a starting point of the call connecting icon as its starting point. Yes is as described above.

In addition, at least one candidate area may be further displayed on the call acceptance combination setting screen. Among these candidate areas, the area to which the end point of the first drag operation (first drag operation) inputted by the user belongs is stored as the first area, and the end point of the second input drag operation (second drag operation) belongs to the first area. The area may be stored as the second area.

Call acceptance combinations may be set identically for all the contacts stored in the address book of the terminal, or may be set for each individual contact or individual contact group.

In this case, the individual contact means each number stored in the address book (Cheol, Young-hee, etc.), and the individual contact group means a meeting (family, friends, etc.) of the address book grouped by a certain standard.

When setting a call acceptance combination for each individual contact or individual contact group, the storage unit 231 may store the contact or contact group and the call acceptance combination information corresponding thereto.

In addition, the emergency contact setting unit 235 stores emergency contact information set in advance so that everyone can receive a call, which will be described in detail below.

The release processing unit 250 may include an emergency contact execution unit 251 and a switching unit 253.

The emergency call execution unit 251 releases the secure call function when the call is received from the emergency contact stored in the emergency call setting unit 235 (secure call release mode) or displays the general call incoming screen (normal call mode). You can do that.

The secure call release mode refers to a mode in which a call can be received when an operation is input from a user regardless of the position of the touch operation, the direction of the drag operation, or the end point of the drag operation.

In addition, the general call mode is a mode for receiving a call by dragging the call connection icon in the direction set by the manufacturer, and generally, a method of receiving a call by dragging the call connection icon in the direction of the call termination icon may be used.

In addition, information on the selected mode among the incoming call modes including the secure call release mode and the general call mode and the emergency contact information corresponding thereto may be stored together in the emergency contact setting unit 235.

The switching unit 253 stores the general call transfer password preset by the user, and converts the incoming call mode to the general call mode when the general call transfer password is input by remote access.

The rejection processing unit 270 functions to reject a call that the user does not want.

If the second drag operation is not input during the valid time stored in the storage unit 231 after the first drag operation is input, the call may be rejected.

The effective time is preferably between 1 second and 3 seconds. If it is set shorter than 1 second, an unintended call rejection may occur, and if it is set longer than 3 seconds, it may take a long time for the call rejection. There is a bar.

In addition, if a horizontal drag operation or a touch operation (hereinafter, referred to as “call rejection operation”) is started on the incoming call screen, the call connection icon may be rejected.

3 is a flowchart illustrating an embodiment of a method for setting a call acceptance combination according to the present invention.

Referring to FIG. 3, in the setting method according to the present invention, after setting a contact or a contact group for setting a call acceptance combination by a user (S310), individual setting is started (S320). In this case, the contact information (Cheol, Young-hee, etc.) means an individual number stored in the address book, and the contact group (family, friends, colleagues, etc.) means a group of contacts grouped by a certain standard. In addition, when setting the same call acceptance combination for all the contacts or contact groups, the step S310 may be omitted and the whole setting may be selected in step S320.

When the call acceptance combination setting is started, the setting screen display unit 233 outputs the call acceptance combination setting screen including the call connection icon to the display device of the mobile terminal 170_n (S330). In this case, at least one candidate area to which the end point of the drag operation may belong may be displayed together.

The drag operation combination for setting the call acceptance combination is input from the user (S340), and the storage unit 231 stores the drag operation combination as the call acceptance combination (S370).

In addition, the drag operation may be re-entered a plurality of times to confirm the call acceptance combination. In this case, after the step S340, the drag operation is input again from the user (S350), and the drag operation input in step S340 is compared with the drag operation input in step S350 (S360), and if they match, step S340 and S350 The drag operation received in step is stored as a call acceptance combination (S370), and if it does not match, the drag operation of step S350 may be input again.

When the individual setting is selected in step S320, when the call acceptance combination is stored in the storage unit in step S370, the contact or contact group selected in step S310 may be stored together.

In addition, the call accepting combination and the corresponding contact or contact group may be stored in the service server 170 in preparation for the failure and loss of the mobile terminal.

Figure 4 is a flow chart for explaining the emergency contact setting method according to the present invention.

When a mobile terminal such as a smartphone is lost, it is desirable to set a method for allowing all users to receive a call.

As shown in the figure, when the mobile terminal is lost, an emergency contact for contacting the lost mobile terminal may be selected or input from the address book (S410). At this time, more than one emergency contact can be set. Thereafter, the incoming mode of the call received from the emergency contact is selected (S420). Incoming mode can be selected between normal call mode and secure call release mode. When the general call mode is selected, a general call incoming screen displaying a call connecting icon and a call ending icon is displayed, and a call can be received by dragging the call connecting icon horizontally. Also, when the secure call release mode is selected, a call can be received when an operation is input from a user regardless of the position of the touch operation, the direction of the drag operation, or the end point of the drag operation. When the emergency contact and the incoming call mode are input by the user, the emergency contact and the incoming call mode corresponding to the emergency contact may be stored together in the emergency contact setting unit 235 (S430).

5 is a flowchart illustrating a security call method according to the present invention. FIG. 5A is a flowchart for explaining a security call function before execution. FIG. 5B is a flowchart for explaining a security call function after execution. .

When the call signal is received as shown in Figure 5a, the phone number and the emergency contact registered in the emergency contact setting unit 237 is collated (S510). As a result of the check, if the called number matches the registered emergency contact, it is checked whether the incoming call mode registered in the emergency call execution unit 251 of the release processing unit 250 is a general call mode or a secure call release mode (S511). In the mode, the call-out icon and the call termination icon are displayed on the normal call screen (S521). In the secure call release mode, the security call function is released (S512) and the starting point of the drag operation or the direction of the drag operation or Regardless of the end point of the drag operation, when an operation is input from the user (S513), the call is connected to receive a call (S560). If the called number does not match with the pre-registered emergency contact, the storage unit 231 of the setting unit 230 checks whether the security call function is the entire setting (S515), if not the entire setting is individually set number Check again (S520). If the number is not set individually, the normal call screen is displayed (S521), and the call can be received. If the security call function is set for the entire contact or the destination number belongs to a contact or contact group set individually, the security call function is executed in the acceptance processing unit 213 (S525).

The operation after the security call function is executed is as shown in FIG. 5B.

Referring to FIG. 5B, when the secure call function is executed, the call connection icon is output on the incoming call screen (S530). In this case, a candidate area for moving the call connection icon by dragging may be further output. Thereafter, when the first drag operation is input from the user (S535), it is checked whether the call is rejected (S540), and the call is rejected when the call is rejected (S541). If it is not the call rejection operation, it is checked whether the validity time has elapsed until the second drag operation is input (S545). If no operation is input during the validity time, the rejection processing unit 270 rejects the call (S541). If the second drag operation is input before the valid time elapses (S550), the combination of the first drag operation and the second drag operation is compared with the call acceptance combination stored in the storage unit 231 (S555). Input is received again from the first drag operation, and when a call is matched with each other, a call is connected (S560).

6 is an exemplary view for explaining in detail the call acceptance combination setting screen according to the present invention.

Referring to FIG. 6, the setting screen according to the present invention includes a call connection icon CI, at least one candidate area CR, and an operation button BT.

Although the candidate region CR is illustrated as being represented by 20 points in the drawing, the candidate region CR may be embodied in a quadrangular form that separates the regions, and the number of the candidate regions CR is not particularly limited.

The manipulation button BT may include a button BT_1 for retrying the drag manipulation combination input and a confirmation button BT_2 for storing the drag manipulation combination input in the storage unit 231.

The user moves the call connection icon CI to any one of the candidate areas CR and then touches the OK button BT_2 to select the first area (the first designated area) and the second area (the second designated area). Can be saved as).

In the following description, it is assumed that the number of candidate regions CR is n.

In this case, the number of cases of the currency accept combination is equal to the number of cases in which n areas are allowed to be duplicated twice, so that the total number of cases is nXn.

When the number of candidate areas CR is 20 as shown in the figure, the number of cases in which the call accepting combination can be set may be 400.

7 is an exemplary view for explaining a method for receiving a call in a secure call method according to the present invention.

As illustrated in FIG. 7, the first drag operation DR_1 coincides with the first area CA_1 set as the call acceptance combination corresponding to the called number while the phone is received and the call connection icon CI is output. When the second drag operation DR_2 corresponding to the second area CA_2 set as the call accept combination is input, the call can be received.

8 is an exemplary view illustrating a method of rejecting a call in a secure call method according to the present invention. FIGS. 8A and 8B illustrate a method of rejecting a call by inputting drag operations DR_1 and DR_2 in a horizontal direction. 8c is a method of rejecting a call by inputting only a touch operation TC.

In addition, although not shown in the drawing, even when the second drag operation is not input such that the effective time elapses after the first drag operation, the rejection processing unit 270 may reject the call.

The present invention has been described with reference to the embodiments shown in the drawings so that those skilled in the art to which the present invention as described above belongs can easily understand and reproduce the present invention. Those skilled in the art will appreciate that various modifications and equivalent other embodiments are possible from the embodiments of the present invention. Although specific terms have been used herein, they are used only for the purpose of describing the present invention in detail to those skilled in the art, and are not used to limit the scope of the present invention as defined in the meaning or claims.

According to the present invention, when a call comes to a smart phone, a user inputs a preset drag operation on the incoming screen to receive a call so that when a call is received while the smart phone owner is away, no other person can receive the personal information. The present invention relates to a secure call method and device for protecting the system.

Claims

Displaying a call connection icon when receiving a call;

Inputting a drag operation combination having the call connection icon as a starting point;

Comparing the drag operation combination with a preset call acceptance combination; And

Receiving a call if the drag operation combination and the call acceptance combination match;

Security call method comprising a.
The method according to claim 1,

Further comprising the step of setting a call acceptance combination,

The call accept combination setting step,

Displaying a call acceptance combination setting screen including a call connection icon;

Receiving a first drag manipulation combination; And

Storing the first drag manipulation combination as a call acceptance combination;

Security call method, characterized in that consisting of.
The method of claim 2, wherein displaying the setting screen comprises:

Further including displaying at least one candidate region,

The storing step,

And storing the selected area among the candidate areas as a call acceptance combination.
The method of claim 2, wherein the receiving of the first drag manipulation combination comprises:

Receiving the first drag manipulation combination from a user, and receiving a second drag manipulation combination a plurality of times to confirm the first drag manipulation combination; And

Comparing the first drag operation combination with the second drag operation combination and re-input of the second drag operation combination if they do not match;

Security call method, characterized in that consisting of.
The method according to claim 2, wherein the call acceptance combination,

Secure call method characterized in that is set for each contact stored in the address book.
The method of claim 5, wherein the comparing step,

And a call accepting combination corresponding to a received number and the drag manipulation combination.
The method according to claim 2, wherein the call acceptance combination,

Security call method characterized in that the set by the contact group stored in the address book.
The method of claim 7, wherein the comparing step,

And a call accepting combination corresponding to a group to which a received number belongs and the drag manipulation combination.
The method according to claim 1,

And setting up an emergency contact.
The method of claim 9, wherein receiving the call comprises:

When the incoming call in the emergency contact, a security call method characterized in that for receiving the call without going through the comparing step.
The method of claim 9, wherein the setting up the emergency contact,

Setting an incoming call mode corresponding to the emergency contact;

The incoming mode is,

Security call method, characterized in that the general call mode, security call release mode.
The method of claim 11, wherein the general call mode,

The call connection icon and the call end icon are displayed on the incoming screen, and the call connection icon is dragged in the direction of the call end icon to receive a call.

The secure call release mode,

And a mode for receiving a call when an operation is input from a user regardless of a start point, a direction, or an end point of a drag operation.
The method according to claim 1,

Security call method, characterized in that it further comprises the step of setting the normal call mode switching password.
The method according to claim 13,

By entering the conversion password is switched to the general call mode,

The general call mode,

And a call connection icon and a call termination icon are displayed on the incoming screen, and the call connection icon is dragged in the direction of the call termination icon to receive a call.
The method according to any one of claims 1 to 8, wherein the currency acceptance combination,

A first area belonging to an end point of a third drag operation having the call connection icon as a start point; And

A second area to which an end point of a fourth dragging operation which has the call connection icon as a starting point belongs;

Security call method comprising the.
The method according to claim 15,

Setting a valid time which is a time from which the valid fourth drag operation is input after the third drag operation is input;

When the horizontal drag operation or the touch operation using the call connection icon as a starting point is input or the fourth drag operation is not input during the effective time after the third drag operation is input, the call reception is rejected. Secure call method.
Communication unit for communication and data communication;

An input unit for receiving a drag operation combination input having a call connection icon as a starting point; And

A control unit including an acceptance processing unit which compares the drag operation combination with a preset call acceptance combination and receives a call when the drag operation combination matches the call acceptance combination;

Security call device comprising a.
The method of claim 17, wherein the control unit,

Further comprising a setting unit for setting the call acceptance combination,

The setting unit,

A setting screen display unit for outputting a setting screen of the call acceptance combination; And

A storage unit for storing a call acceptance combination received from a user;

Security call device comprising a.
The method according to claim 18, wherein the currency acceptance combination,

For each contact stored in the address book,

The storage unit,

Store the contact further;

The acceptance processing unit,

When you receive from the contact,

And comparing the drag operation combination with the call acceptance combination set for each contact, and receiving the call if the drag operation combination matches the call acceptance combination.
The method according to claim 18, wherein the currency acceptance combination,

It is set for each contact group stored in the address book.

The storage unit,

Further stores the contact group,

The acceptance processing unit,

When a call comes from a contact belonging to the contact group,

And comparing the call accepting combination set by the drag operation combination with the contact group and receiving a call when the drag manipulation combination matches the call accepting combination.
The method according to claim 18, The setting unit,

Further comprising an emergency contact setting unit for receiving and storing the emergency contact information and the incoming call mode corresponding to the emergency contact,

The control unit,

Further comprising a release processing unit,

The incoming mode is,

A general call mode in which a call connection icon and a call end icon are displayed on an incoming call screen, and the call connection icon is dragged in the direction of the call end icon to receive a call; And

And a secure call release mode for receiving a call when an operation is input from the user regardless of the position or direction or the end point of the start point of the drag operation.

The release processing unit,

Security call device comprising an emergency contact unit for receiving a call in the incoming mode corresponding to the emergency contact when the call from the emergency contact.
The method according to claim 21, The release processing unit,

And a switching unit to store a general call mode switch password and to switch to the general call mode when the switch password is input.
The method according to any one of claims 17 to 22, wherein the currency acceptance combination,

A first area belonging to an end point of a first drag operation having the call connection icon as a start point; And

A second area belonging to an end point of a second drag operation having the call connection icon as a start point;

Security call device comprising a.
The method of claim 23, wherein the control unit,

Further comprising; rejection processing unit for rejecting the call;

The storage unit,

And further stores an effective time which is a time from which the valid second second drag operation is input after the first drag operation.

The rejection processing unit,

When the horizontal drag operation or the touch operation using the call connection icon as a starting point is input or the second drag operation is not input during the effective time after the first drag operation is input, the call reception is rejected. Secure call device.