WO2014193008A1 - Method for sharing content during call by using mobile communication terminal - Google Patents

Abstract

The present invention relates to a method for sharing content during a call by using a mobile communication terminal, which enables a sender and a recipient to talk to each other while sharing content during a call, and can achieve accurate communication between the users through the same. The present invention enables content to be shared at the same time as transmission and reception of a call signal on the basis of a channel established by a data relay server.

Description

How to share content during a call using a mobile terminal

The present invention relates to a method of sharing content during a call using a mobile communication terminal that allows the sender and the receiver to proceed with a conversation while sharing the content during a call, thereby enabling accurate communication between each other.

Mobile communication terminals, also known as smartphones, provide functions such as Internet access, camera shooting, and location recognition through navigation, in addition to the call function, which is a unique function, allowing users to enjoy various benefits without restriction on location. In particular, the Internet access function allows users to search and check the information they want to know right away without restriction of places, thereby improving work efficiency and enjoying various benefits that cannot be listed in other daily life.

On the other hand, during a telephone call using a mobile communication terminal, there is a case where the call partner needs to understand the object spoken verbally without explanation. In this case, the conversation may be lengthened if it is not easily associated with the story object, and the story object is frequently misrepresented due to misunderstanding of the conversation. Of course, this situation not only wastes talk time unnecessarily, but it can also cause misunderstandings of the subjects and cause more problems.

However, even a smartphone having the above-described advantages does not have a function of allowing a call partner to visually see a person speaking verbally during a call. The problem was a challenge that could not be solved even in the call technology using the latest mobile communication terminals such as smartphones.

Accordingly, the present invention has been made to solve the above problems, it can be understood while visually confirming the oral explanation target of the call partner, through which a mobile communication terminal can be made easier and smoother conversation between each other. The technical problem is to provide a method of sharing content during a call.

The present invention to achieve the above technical problem,

A channel establishment step of opening a channel in the data relay server according to a call initiation signal transmitted by the content call app in the caller's mobile communication terminal;

A content upload step of uploading the content designated by the content call app in the sender's mobile communication terminal to the channel of the data relay server;

A call signal is transmitted to the exchange according to the communication information transmitted by the phone app in the caller's mobile communication terminal, and the call app in the receiver's mobile communication terminal receives the call signal;

The content call app in the receiver's mobile communication terminal confirms receipt of the call signal of the phone app in the receiver's mobile communication terminal, and the content call app in the receiver's mobile communication terminal recognizes the call acceptance of the receiver. Checking whether a channel is opened by accessing the mobile terminal, and displaying the content call app-only output image on the receiver's mobile communication terminal;

A channel connection step of connecting a content call app in a mobile communication terminal of a receiver to the channel confirmed to be established;

A content download step of downloading and outputting content in the channel of the data relay server to a content call app in the receiver's mobile communication terminal; And

A channel termination step of closing the channel by the data relay server receiving a call termination signal of a content call app in the mobile communication terminal of the caller or receiver;

The content sharing method during a call using a mobile communication terminal including a.

The present invention described above can transmit and output the content that is the talk target during the call using the mobile communication terminal to the mobile communication terminal of the call partner, and can be described while operating the output content in real time, so that the understanding of the talk target It is easy and there is an effect that can realize a lot of information transmission and exchange only by telephone call.

1 is a block diagram showing a state of a sharing system according to the present invention;

2 is a flowchart sequentially showing an embodiment of a sharing method according to the present invention;

3 to 5 are views showing the operation of the mobile communication terminal according to the sharing method according to the present invention,

6 is a block diagram showing another embodiment of a sharing system according to the present invention.

(Explanation of the sign)

100, 100 '; Mobile communication terminal 101; Wallpaper 102; Currency icons

103; Numeric plate 104; Query window 105, 105 ': Specific image

106, 106 '; Transmission key 130; Content call app 200; Exchanger

200 '; Data relay server

The above-described features and effects of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, and thus, those skilled in the art to which the present invention pertains may easily implement the technical idea of the present invention. Could be. As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to the specific disclosure, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

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

1 is a block diagram showing a state of a sharing system according to the present invention.

The sharing system according to the present invention includes a content call app (130, 130 ') for processing to share the content stored in the caller's mobile communication terminal 100 with the caller's (receiver)' s mobile communication terminal (100 '), Content call app (130, 130 ') is configured to work with the phone app (110, 110') and the storage means (120, 120 ') installed in the mobile communication terminal (100, 100').

More specifically, the phone app (110, 110 ') is an application designed to perform a call function of the mobile communication terminal (100, 100') called a smartphone, the mobile communication terminal (100, 100 ') ) Is automatically executed without the user's separate execution, and the mobile communication terminal (100, 100 ') is in the ON state while continuing its execution while maintaining the communication state with the switch 200, the call signal of the switch 200 It actively receives it during transmission so that the user can recognize it. As a result, the phone app 110, 110 ′ maintains a communication state with the signaling system promised by the switch 200, and control by the switch 200 is permitted. For reference, the mobile communication terminals 100 and 100 'are connected to the switch 200 through the base stations a and a', and the base stations a and a 'are within a predetermined radius of the mobile communication terminals 100 and 100'. By processing the communication of ') it is possible to track the position of the mobile communication terminal (100, 100'). Since the communication technology through the base stations (a, a ') is well-known and common technology, detailed description of hardware and software for the base stations (a, a') is omitted here.

The storage means 120 and 120 'are means for storing various data (contents) of the mobile communication terminals 100 and 100', and are operated and controlled by an operating system (OS) of the mobile communication terminals 100 and 100 '. . The storage means 120, 120 'is a conventional device for storing various data (content) such as a phone number, a picture image, download information of a wireless Internet, a video image, a sound source file, etc. input by a user. In the present exemplary embodiment, the phone number is exemplified as an identifier of the content, but is not limited thereto. The ID of the user (sender and receiver) for accessing the data relay server 200 'and the specific serial number (SN) are used instead of the phone number. Or a unique number for device identification of the mobile communication terminal. As a result, the identifier for identifying the origin of the content may be variously modified within the scope of the following claims.

The content call app 130 or 130 'includes the content transmission / reception module 131 and 131', the command transmission / reception module 132 and 132 ', the content viewer 133 and 133', and the control processor 134 and 134 '. It consists of.

The control processor 134, 134 ′ is a device for initiating or terminating a content call between the mobile communication terminals 100, 100 ′, and collectively allowing the user to search for content stored in the storage means 120, 120 ′. The user communicates with the data relay server 200 'for the content call and works with the input means (not shown) and the storage means 120 and 120' of the mobile communication terminal 100 or 100 'for content search. Command transmission / reception with the content transmission / reception module 131, 131 'so that the desired content can be retrieved from the storage means 120, 120' by the input means and transmitted to the mobile communication terminal 100, 100 'of the call partner. Controls the normal execution of content call apps 130 and 130 ', including modules 132 and 132' and content viewers 133 and 133 '.

In addition, the control processor 134, 134 ′ controls the display of the mobile communication terminals 100, 100 ′ on behalf of the phone apps 110, 110 ′, so that the output image controlled by the control processor 134, 134 ′ is controlled. Output through the output means (not shown) of the mobile communication terminal (100, 100 '). After all, when the user executes the content call app (130, 130 ') to proceed with the content call, the content call app (130, 130') in place of the output image of the phone app (110, 110 ') Displayed through the output means, the user (caller or receiver) checks the output image of the content call app (130, 130 ') output in this way, whether the current call is a general call or a content call call Make it easy to distinguish and manipulate. A more detailed description thereof will be given while describing a content sharing method according to the present invention.

The content transmission / reception module 131 or 131 'processes the searched content to be transmitted to the corresponding mobile communication terminal 100 or 100'.

The command transmission / reception module 132, 132 'checks the screen change (page movement, enlargement, reduction, display, etc.) of the content, and processes the corresponding command to be transmitted to the corresponding mobile communication terminal 100, 100'. . In this case, the screen change is illustrated in the case of a multi-page content, such as moving or changing a page, enlarging a specific portion, underlining, placing quotation marks, or placing parentheses on a specific portion. In addition, the contents of the screen change of the contents may be variously modified within the scope of the claims described below.

For reference, the call signal of the phone app 110 is communicated with the exchange 200, the content of the content transmission and reception module (131, 131 ') and the command of the command transmission and reception module (132, 132') is a data relay server (200 '). Is communicated with).

The content viewers 133 and 133 'process the searched content to be output through the output means (not shown) of the mobile communication terminal 100 and 100', but adjust and output the content according to the command contents upon receiving the command. do. As a result, the output of the content is synchronized to the output means of the mobile communication terminal (100, 100 ') in the call, and thus the content of the same content is output to the output means of the mobile communication terminal (100, 100') in the call, Users on the phone can continue the conversation while sharing the same content. In general, the content viewers 133 and 133 'will be determined according to the file format of the content. For example, a device capable of outputting a workbook format-specific file format such as PDF or CSD may be applied. A device capable of output may be applied. In addition, a device capable of outputting a general text file format or an image file format may be applied to the content viewers 133 and 133 '. Furthermore, a new type of integrated document format file format viewer formed exclusively for the sharing system according to the present invention may be applied to the content viewers 133 and 133 '.

Subsequently, the exchange 200 communicates with the phone apps 110 and 110 'of the mobile communication terminal 100 and 100' at regular intervals, and tracks the position of the mobile communication terminal 100 and 100 'and corresponds to the call. It receives the communication information transmitted from the mobile communication terminal (100, 100 ') and transmits the corresponding call signal to the counterpart mobile communication terminal (100, 100'). The switch 200 is a well-known and public technology for allowing the mobile communication terminals 100 and 100 'to normally communicate with each other. Description of the hardware constituting the switch 200 and software for driving the switch 200 will be described. Omit.

For reference, the communication information is information including the phone number of the mobile communication terminal 100 'of the receiver which the phone app 110 in the mobile communication terminal 100 of the caller attempting to transmit to the switch 200. In addition, the call signal is information including voice data transmitted by the phone app 110 of the mobile communication terminal 100, 100 'maintaining the call state to the mobile communication terminal 100, 100' of the call partner.

The data relay server 200 ′ transmits the content and the command transmitted from the sender's mobile communication terminal 100 to the mobile communication terminal 100 ′ of the designated receiver. The data relay server 200 ′ opens a port for the communication relay of the content to be shared. It acts as a data communication relay for establishing a communication channel through a port.

A method of sharing content based on the system according to the present invention described above will be briefly described.

A caller who attempts a content call according to the present invention to temporarily share his or her own content with a call partner transmits the content to be shared using his mobile communication terminal 100, and the data relay server 200. ') Receives the content and prepares the transmission of the content to the receiver's mobile communication terminal 100'. Subsequently, when the receiver's mobile communication terminal 100 'receives the call signal transmitted from the exchange 200 to determine the call, the receiver's mobile communication terminal 100' can download the content. Meanwhile, the exchange 200 allows a normal voice call to be made to the receiver's mobile communication terminal 100 'separately from the download of the content, and the data relay server 200' commands the sender's mobile communication terminal 100 in a normal manner. Wait for command transmission from the transmission / reception module 132. Thereafter, when the command is received, the data relay server 200 ′ immediately transmits the command to the receiver's mobile communication terminal 100 ′, so that the command transmission / reception module 132 ′ in the receiver's mobile communication terminal 100 ′ is received. This is received and processed and the content viewer 133 'can output the corresponding content according to the content of the command.

As described above, the data relay server 200 ′ transmits and receives contents and commands transmitted from the mobile communication terminals 100 and 100 ′, while the mobile communication terminals 100 and 100 ′ are busy. In addition to sharing the content, the content is synchronized so that it can always be output to the mobile communication terminal (100, 100 ') the same.

2 is a flowchart sequentially showing an embodiment of a sharing method according to the present invention, and FIGS. 3 to 5 are views illustrating a mobile communication terminal operating according to the sharing method according to the present invention. Explain.

The sharing method according to the present invention based on the above-described sharing system may proceed as follows.

S11; Content Call Initiation Step

The caller can click the call content call button as shown in Fig. 3 (b) for the content call.

The content call according to the present invention is to enable the content call between the mobile communication terminal (100, 100 ') while maintaining the basic system of the carrier server 200 and the mobile communication terminal (100, 100'), the caller To execute the content call app 130 in the caller's mobile communication terminal 100 to proceed with the content call. To this end, the caller may click on the icon of the content call app 130.

When the content call app 130 is executed, as shown in FIG. 3 (b), a number plate 103, which is an output image of a content call-only image, may be output. The number plate 103 has a 'content call' button for content search. This includes.

In the embodiment according to the present invention, the name of the execution button of the content call is called 'content call', but the present invention is not limited thereto and various names may be applied.

In addition, in the embodiment according to the present invention, the position of the 'content call' button is included in the number plate 103 output when the call icon 102 is clicked, but is not limited thereto.

Subsequently, the caller operates the numeric keypad 103 to input the receiver's mobile communication terminal 100 'telephone number. When the control processor 134 detects the caller's operation of the 'content call' button, the control processor 134 transmits a call initiation signal including the phone number to the data relay server 200. Of course, as mentioned above, the call initiation signal may be applied to the ID of the user (sender), a specific serial number (SN) or a unique number for identifying the device of the mobile communication terminal in place of the phone number. .

S12; Channel opening stage

The data relay server 200 ′ receives the call initiation signal, opens a channel for the receiver's telephone number and the caller's mobile communication terminal 100, and opens a channel for each caller and receiver. 100 ') Set the port for the connection.

Subsequently, when the channel establishment is completed, the data relay server 200 'transmits the previously set port number to the sender's mobile communication terminal 100 to wait for communication on the corresponding channel.

S13; Content upload step

The sender checks the content list posted by the control processor 134 and selects the content to share with the receiver, as shown in FIG. The content list may be output after the control processor 134 transmits a call start signal to the data relay server 200 ′. That is, the control processor 134 detects the caller's operation of the 'content call' button, transmits a call initiation signal, searches the storage means 120 of the mobile communication terminal 100, and outputs a content list.

In general, the mobile communication terminal 100 is applied to the input and output means of the touch screen, the caller will be able to select the content to share with the receiver by touching one of the content list output on the screen.

When the caller selects the content, the control processor 134 may output the query window 104 as shown in FIG. 4 (b) to reconfirm whether the corresponding content is attached.

In order to perform the sharing method according to the present invention, the mobile communication terminal (100, 100 ') should have a function of outputting content in an image format and have a structure capable of accessing a wireless Internet. Therefore, the mobile communication terminal (100, 100 ') may be preferably applied to a complex communication device such as a smartphone or tablet PC.

Subsequently, when the sender operates the query window 104 to start uploading the content, the control processor 134 controls the content transmission / reception module 131 so that the corresponding content stored in the sender's mobile communication terminal 100 is stored in the corresponding channel. It is to be transmitted to the data relay server 200 'through the port.

S14; Initiate call

The caller attempts a normal call to the phone number of the receiver previously input, and the control processor 134 transfers the phone number to the phone app 110 so that the phone app 110 makes a normal phone call through the exchange 200. To proceed.

A caller who attempts to make a call among the users of the mobile communication terminals 100 and 100 'may attempt to make a call by operating his mobile communication terminal 100. The call may be performed in various ways, which may be determined according to the call method of the mobile communication terminals 100 and 100 '.

In the embodiment according to the present invention, the control processor 134 in the caller's mobile communication terminal 100 displays the telephone number of the receiver input for establishing a channel and uploaded content to be shared (G document) in FIG. As shown in the figure, it was output to the number plate 103, and the caller's call operation was recognized by the caller.

Communication information including the phone number of the receiver is transmitted to the exchange 200 through the phone app 110, the exchange 200 checks the position of the receiver's mobile communication terminal 100 'corresponding to the phone number When the mobile communication terminal 100 'is connected, a call is connected while transmitting a corresponding call signal.

Since the telephone call process between the mobile communication terminals 100 and 100 'through the switch 200 is a publicly known or public technology, a detailed description of the process of the voice call is omitted here.

S15; Channel linking stage

The call app 110 'in the receiver's mobile communication terminal 100' receives the call signal, and the control processor 134 'of the content call app 130' calls the call button output from the call app 110 '. After recognizing the user's operation on, connect to the data relay server 200 ′ and check whether the channel is opened.

The control processor 134 ′ of the content call app 130 ′ checks each phone number of the receiver and caller's mobile terminal 100, 100 ′ linked to the channel to check whether the channel is opened, and moves the receiver. When the telephone number of the receiver (recipient) is confirmed in the telephone number of the communication terminal 100 ', the data terminal server 200' is connected to the data relay server 200 'to prepare for data communication with the sender's mobile terminal 100'.

Subsequently, when the control processor 134 'in the receiver's mobile communication terminal 100' confirms that the received call is a content call, the output of the content call app 130 'is substituted for the output image of the phone app 110'. The image is displayed on the output means of the receiver's mobile communication terminal 100 'so that the receiver can recognize that the current call is a content call and start downloading the corresponding content. In this case, whether to download the content may be automatically made regardless of the intention of the receiver, or may be determined by outputting a separate query window (not shown) to the receiver. However, since the voice data processing for the call is made through the phone app 110 'that receives the call signal from the exchange 200, the content call according to the present invention is the phone app 110' and the content call app 130 '. Proceeds in parallel.

Meanwhile, as a result of the control processor 134 'accessing the data relay server 200' and confirming that the channel is opened, if the channel of the receiver is not confirmed, the control processor 134 'continues the general call through the phone app 110'.

For reference, when the receiver's mobile communication terminal 100 'first receives a call signal without the distinction between a general call or a content call, the phone app 110' outputs a designated reception guide output image. However, if the corresponding call signal is the content call, the control processor 134 'confirms that the output image displayed after the call button manipulation of the receiver (after call acceptance) is dedicated to the content call app 130'. Replace with the output image. However, if it is confirmed that the call signal is a general call, the control processor 134 ′ stops the operation and the phone app 110 ′ proceeds with the normal call while continuing to display its output image.

S16; Content Download Step

When the receiver confirms the reception of the content call and manipulates the corresponding operation button (not shown) included in the content call app 130 'dedicated output image for the call, the content transmission / reception module in the receiver's mobile communication terminal 100' ( 131 ') requests content from the data relay server 200' to proceed with the download to the storage means 120 ', and when the download is completed, the corresponding content may be output through the receiver's mobile communication terminal 100'. .

On the other hand, the phone app 110 'in the receiver's mobile communication terminal 100' normally receives the call signal to enable a voice call with the caller's mobile communication terminal 100.

S17; Command communication step

When the content call between the mobile communication terminals 100 and 100 'is initiated, as shown in FIG. 5, the content viewer 133 and 133' displays the specific image of the content in the output means of the mobile communication terminals 100 and 100 '. (105, 105 ') are output. The specific image 105, 105 'of the first output content will generally be one page of the corresponding content, but is not limited thereto and may be set randomly.

Subsequently, when the sender changes the screen (commands such as page movement, enlargement and reduction) on the specific image 105 of the content output by the content viewer 133 in the sender's mobile communication terminal 100, the command is executed. The transmission and reception module 132 recognizes this and transmits a corresponding command to the data relay server 200 '(command transmission step). The data relay server 200 'receives the command, transmits it to the receiver's mobile communication terminal 100', and the command transmission / reception module 132 'in the receiver's mobile communication terminal 100' receives the command. Then, the content viewer 133 'is controlled to check and output the specific image 105' of the corresponding content (command receiving step).

As a result, the output content of the content in the mobile communication terminal (100, 100 ') of the sender and the receiver is synchronized, through which the sender and the receiver can confirm while sharing the same content according to the screen change during the call.

That is, when the caller operates the input means of the mobile communication terminal 100 to change the screen of the content currently being output by the content viewer 133, the command transmission / reception module 132 recognizes the command corresponding to the screen change. The data relay server 200 'receives the command, and the data relay server 200' receives the command and transmits the command to the receiver's mobile communication terminal 100 ', and transmits and receives a command in the receiver's mobile communication terminal 100'. The module 132 ′ transmits the command to the content viewer 133 ′ so that the content in the receiver's mobile communication terminal 100 ′ is output in accordance with the screen change.

Here, the screen change of content may be a page adjustment of content, an enlargement of a part of a page, a display of a part of a page, and the like, and various edits to the content may be applied to the screen change.

In the embodiment according to the present invention, the sender unilaterally transmits the content to the receiver, and only the sender discloses that the content is unilaterally adjusted. However, the present invention is not limited thereto.

① First embodiment

The content can be transmitted from the sender's mobile communication terminal 100, and the command transmission by the screen change of the content can be made from both the sender's and the receiver's mobile communication terminals 100 and 100 '.

However, when a command is transmitted from both the mobile communication terminals 100 and 100 ', a communication collision may occur due to simultaneous transmission of the command. Therefore, when one party transmits output information, the other party should be limited in transmitting the output information. To this end, as shown in FIG. 5 (b), when the screen change of the content occurs by the sender or the receiver by manipulation, the command transceiving module 132, 132 'recognizes this and does not automatically transmit the corresponding output information unconditionally. When a signal by clicking on the separately configured 'transmission keys 106 and 106' is inputted, a command of a corresponding screen change is transmitted.

Therefore, the caller and the receiver can proceed with the call while adjusting the content freely during the call.

② Second embodiment

The content can be transmitted from the mobile communication terminal 100 'of the receiver, and the command transmission according to the change of the screen of the content can be made available from the mobile communication terminal 100 of the caller.

For example, when a caller contacts a restaurant for an order, the content transmitting / receiving module 131 'in the mobile communication terminal 100' of the restaurant, which is the receiver, moves the caller immediately upon receiving a content corresponding to a menu. Transmit to communication terminal 100.

When the sender adjusts the menu which is the content output to his mobile communication terminal 100, the menu is output in the same manner through the above-described process in the output means of the mobile communication terminal 100 'of the receiver, and the sender Ordering can be done smoothly while explaining the menu that changes.

S18; End Content Call

When the caller or the receiver proceeds to terminate the call by operating the phone app 110 or 110 'of the mobile communication terminal 100 or 100', the control processor 134 or 134 'sends a call termination signal to the data relay server 200'. To send).

The call termination signal is generated and transmitted through the normal call termination operation of the caller or the receiver, and the call termination procedure between the phone app 110 or 110 ′ and the exchange 200 is a publicly known technology. Detailed description will be omitted.

Meanwhile, the content transmitted from the sender's mobile communication terminal 100 to the receiver's mobile communication terminal 100 'and stored in the storage means 120' may be forcibly deleted or a query may be made to the receiver to determine whether to delete the content. will be.

If the user selects to save the content or is set to forcibly save the content, at the end of the call, the corresponding mobile communication terminal (100, 100 ') stores the content and the content call app including the content viewer (133, 133'). 130 and 130 'ends.

On the other hand, if the content is selected to be deleted or set to force deletion, the content is deleted from the mobile communication terminal (100, 100 ') and the content call app (130, 130') including the content viewer (133, 133 ') ) Ends.

S19; Channel end stage

When the data relay server 200 ′ receives the call termination signal, it closes the established channel to terminate the call and blocks the further sharing of content and commands.

As mentioned above, the exchange terminates the call by blocking the normal call signal for the voice data separately from the data relay server 200 '.

As a result, the content call ends, and the sender and the receiver stop sharing the content.

Figure 6 is a block diagram showing another embodiment of a sharing system according to the present invention, will be described with reference to this.

The sharing system according to the present invention allows the caller to share the content with the receiver while proceeding with a call while storing the content in the cloud server 300.

To this end, the mobile communication terminals 100 and 100 ′ can communicate with the cloud server 300, and the data relay server 200 ′ also communicates with the cloud server 30.

In more detail, in order to share its content with the receiver, the sender uses one of the storage means 120 and the cloud server 300 of the mobile communication terminal 100 in the content upload step S13. When the cloud server 300 is selected, the mobile communication terminal 100 accesses the cloud server 300 to output the content directory in the sender's storage area. Of course, the sender selects the target content to be shared in the outputted content directory and proceeds to the next process of uploading, and the content transmission / reception module 131 transmits the corresponding content in the cloud server 300 to the corresponding channel of the data relay server 200 '. Upload to.

As mentioned above, the contents may be in various file formats. However, a conversion server (not shown) capable of converting the content into a workbook format between the cloud server 300 and the data relay server 200 'so that the receiver cannot process the content for the protection of the original. The content to be shared that is uploaded to the corresponding channel of the data relay server 200 ′ may be a file format of a workbook format. For reference, the workbook format may be a conventional PDF or CSD, and a new format (* .JET, etc.) may be applied.

Meanwhile, the content of the cloud server 300 may be directly transmitted to the receiver's mobile communication terminal 300 '.

In the detailed description of the present invention described above with reference to the preferred embodiments of the present invention, those skilled in the art or those skilled in the art having ordinary skill in the art will be described in the claims to be described later And it will be understood that various modifications and changes of the present invention can be made without departing from the scope of the art.

Claims (7)

1. A channel establishment step of opening a channel in the data relay server according to a call initiation signal transmitted by the content call app in the caller's mobile communication terminal;

   A content upload step of uploading the content designated by the content call app in the sender's mobile communication terminal to the channel of the data relay server;

   A call signal is transmitted to the exchange according to the communication information transmitted from the phone app in the caller's mobile communication terminal, and the call app in the receiver's mobile communication terminal receives the call signal;

   The content call app in the receiver's mobile communication terminal confirms receipt of the call signal of the phone app in the receiver's mobile communication terminal, and the content call app in the receiver's mobile communication terminal recognizes the call acceptance of the receiver. Checking whether the channel is opened by accessing the mobile terminal, and displaying a content call app-specific output image on the receiver's mobile communication terminal;

   A channel connection step of connecting a content call app in the receiver's mobile communication terminal to the channel confirmed to be established;

   A content download step of downloading and outputting the content in the channel of the data relay server to a content call app in the receiver's mobile communication terminal; And

   A channel termination step of closing the channel by the data relay server receiving a call termination signal of a content call app in the mobile communication terminal of the caller or receiver;

   Method of sharing content during a call using a mobile communication terminal comprising a.
2. The method of claim 1, wherein between the content download step and the channel end step,

   And a command communication step of transmitting a command transmitted by the content call app in the mobile communication terminal of the sender or the receiver to the content call app in the mobile communication terminal of a call partner through the channel of the data relay server. How to share content during a call using a mobile communication terminal.
3. The method of claim 2,

   And the command is one selected from among moving a page, enlarging and reducing a specific portion of the content, or displaying the specific portion of the content.
4. The method of claim 1,

   The call initiation signal is a content sharing method during a call using a mobile communication terminal, characterized in that the caller's mobile communication terminal telephone number and the receiver's mobile communication terminal telephone number.
5. The method of claim 1,

   The call initiation signal sharing method using the mobile communication terminal, characterized in that the caller or receiver ID, serial number (SN) or a unique number of the mobile communication terminal.
6. The method of claim 1,

   In the content uploading step, the content is stored in a cloud server, the content call app in the caller's mobile communication terminal accesses the cloud server and uploads the content to the channel, the call using the mobile communication terminal How to share your content.
7. The method according to claim 1 or 6,

   In the content upload step, the content sharing method during a call using a mobile communication terminal, characterized in that the content is converted to a workbook format before uploading to the channel.

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