KR20150098088A - Communication device apparatus having packet based call request function - Google Patents

Abstract

Disclosed is a communication terminal apparatus having a packet-based call request function, which comprises: a communication unit receiving a call request packet message including information on a phone number, which requests a return call; a message analyzing unit extracting the information on a phone number from the received call request packet message; and an output unit displaying the state of a return call request including the information on a phone number according to a predetermined means for displaying a call request. Accordingly, a call request packet message requesting a return call is transmitted and received to deliver an intention of a call, and stress or inconvenience which a call receiver may feel since he gets a call when he cannot respond to the call or is not in a condition for a call can be released.

Description

Technical Field [0001] The present invention relates to a communication terminal apparatus having a packet-based call request function,

The present invention relates to a communication terminal apparatus having a packet-based call request function and a computer-readable recording medium on which a program for executing the call request method is recorded.

Recently, due to the development of mobile communication technology as well as wired and wireless Internet, mobile phones having various functions such as a wireless Internet function as well as a simple telephone communication function are becoming widespread.

In addition, a mobile phone equipped with a central processing unit capable of performing high-level computation is called a smart phone in the sense that it has a unique wireless communication function and a function of a personal digital assistant.

Such a smartphone is mainly composed of a touch-screen-based mobile communication terminal device which performs both an input function and an output function by adopting a touch screen having a mutual layer structure of a touch pad and a display, and the capacity of the memory is also increasing So that a large amount of data can be stored.

In particular, smartphones with widespread use can install various applications running on a mobile operating system. For this reason, users are using smart phones for various purposes.

On the other hand, a communication terminal apparatus such as a smart phone can communicate with the other party by means of voice / video call reception / reception, SMS (Short Message Service) / MMS (Multimedia Message Service) Etc. may be used.

In order to make a voice call or a video call among them, it is impossible to confirm whether or not the other party is in a present callable state.

Accordingly, there is a problem that the telephone receiver may feel stressed or inconvenienced that the telephone is received if the telephone can not be used or is in a difficult situation.

In order to solve such a problem, a caller may transmit his / her call intention by using an SMS message without sending a voice call or a video call. However, this is only a temporary measure that the caller uses wisely.

Korean Patent Registration No. 10-0993323, filed on November 03, 2010.

According to an embodiment of the present invention, there is provided a communication terminal apparatus having a packet-based call request function capable of receiving a call request packet requesting a reply call and delivering a call request, and a computer readable recording medium storing a program for executing the call request method Capable recording medium.

The problems to be solved by the present invention are not limited to those mentioned above, and another problem to be solved can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, a communication terminal apparatus having a packet-based call request function includes a communication unit for receiving a call request packet message including telephone number information requesting a reply call, A message analyzing unit for extracting information, and an output unit for displaying a reply call request status including the telephone number information according to a predetermined call request display mode.

According to another aspect of the present invention, there is provided a program recorded on a computer readable recording medium, the program comprising the steps of: receiving a call request packet message including telephone number information requesting a reply call; Extracting the number information, and displaying the reply call request status including the telephone number information according to a preset call request display method.

According to an embodiment of the present invention, a call request packet requesting a reply call can be received and transmitted to communicate a call request.

Therefore, the stress or inconvenience which the user can feel as the telephone receiver is unable to make or receive a telephone call in a difficult situation is solved.

The pop-up display mode or call record display mode among various call request display modes according to the embodiment significantly increases the call request awareness, and in particular, since the call request field added to the list of call records has a non-volatile characteristic that is not erased even after confirmation It has the effect of providing the convenience of being integratedly managed together with other call records.

1 is a network configuration diagram illustrating an operation example of a communication terminal apparatus having a packet-based call request function according to an embodiment of the present invention.
2 is a block diagram of a communication terminal apparatus having a packet-based call request function according to an embodiment of the present invention.
3 is a flowchart illustrating a procedure for transmitting a call request by a communication terminal apparatus having a packet-based call request function according to an embodiment of the present invention.
4 is a flowchart illustrating a procedure for displaying a call request by a communication terminal apparatus having a packet based call request function according to an embodiment of the present invention.
5 and 6 are views illustrating screens that can be output in the process of transmitting a call request according to an exemplary embodiment of the present invention.
FIGS. 7 to 12 are views illustrating screens that can be output in a call request display process according to an exemplary embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

1 is a network configuration diagram illustrating an operation example of a communication terminal apparatus having a packet-based call request function according to an embodiment of the present invention.

As shown in the figure, according to the embodiment of the present invention, the communication terminal apparatus 100 having the packet-based call request function and capable of receiving the call request packet message can transmit the call request packet message to the call request support server 10 via the wired communication network or the wireless communication network And the call request supporting server 10 can operate in conjunction with the terminal information database 20. [ For example, the wireless communication network may be an LTE (Long Term Evolution) communication system using an EPC (Evolved Packet Core) network, a WCDMA (Wideband Code Division Multiple Access) communication system, a GSM (Global System for Mobile) communication system, Access) communication system, a TDMA (Time Division Multiple Access) communication system, and the like can be implemented singly or in combination.

The communication terminal apparatus 100 may be implemented as a mobile communication terminal apparatus such as a smart phone, a note pad, a tablet computer, or the like, or may be implemented as a wired communication terminal apparatus provided with a communication service through a wired network. In the communication terminal apparatus 100, a call request application program capable of executing a packet-based call request method according to an embodiment of the present invention is installed and installed, and can receive a call request packet message to transmit a call request message, The status of the call-back request can be displayed according to the packet message. Such a communication terminal apparatus 100 will be described below again with reference to FIG.

Various information about the communication terminal apparatus 100 is registered and stored in the terminal information database 20. Information on whether or not the call request application program is loaded according to the embodiment of the present invention, information on the mobile operating system mounted on the communication terminal apparatus 100, information on whether or not the call request application program is mounted according to the embodiment of the present invention, Or the like can be registered and stored.

The call request supporting server 10 transmits a call request packet message originated by any one of the communication terminal apparatuses 100 to the requested communication terminal apparatus. The call request supporting server 10 may collect various information of the communication terminal apparatus 100 and register and store it in the terminal information database 20. [ In addition, the call request support server 10 confirms the operation status of the reception side communication terminal device in the terminal information database 20, and transmits a call request packet message to the reception side communication terminal device in various forms according to the checked operation status . For example, a call request packet message may be transmitted in a push manner to a communication terminal apparatus set in a call request delivery mode, and a call request packet message may be transmitted in a form of an SMS message to a communication terminal apparatus not set in a call request delivery mode.

FIG. 1 shows an example in which the communication terminal apparatuses 100 are interconnected by a client / server model. However, the communication terminal apparatuses 100 may be interconnected by a P2P model except for the call request supporting server 10 and the terminal information database 20. [

2 is a block diagram of a communication terminal apparatus 100 having a packet based call request function according to an embodiment of the present invention.

The communication terminal apparatus 100 according to the embodiment includes a communication unit 110, a microphone 120, a camera module unit 130, a user input unit 140, an output unit 150, a memory unit 160, An interface unit 170, a control unit 180, and the like.

The communication unit 110, the output unit 150, the memory unit 160 and the control unit 180 among the components of the communication terminal apparatus 100 are different from the communication terminal apparatuses according to the related art There are significant differences.

The communication unit 110 includes a mobile communication unit 111, a short range communication unit 112, a GPS (Global Position System) receiving unit 113, and the like.

The mobile communication unit 111 transmits and receives radio signals to and from at least one of a base station and an external terminal or server on a mobile communication network. Here, the wireless signal may include various types of data such as a voice call signal, a video call signal, or a text / multimedia message. In particular, the mobile communication unit 111 may send and receive a call request packet message including telephone number information requesting a reply call according to an embodiment of the present invention.

The short-range communication unit 112 transmits / receives a radio signal for short-distance communication. For example, local area communication may include Wi-Fi, Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee .

The GPS receiving unit 113 receives position information from a plurality of GPS satellites.

The output unit 150 includes a display unit 151 and an audio output unit 152 and outputs various signals such as an audio signal and a video signal.

The display unit 151 displays information to be processed by the communication terminal apparatus 100. For example, when the communication terminal apparatus 100 is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the communication terminal apparatus 100 is in the video communication mode or the photographing mode, the photographed or received images can be displayed individually or simultaneously. When the display unit 151 and the touch pad have a mutual layer structure to constitute a touch screen, the display unit 151 may be used as an input device capable of inputting information by the user's touch in addition to the output device. In particular, according to the embodiment of the present invention, the display unit 151 controls the output control unit 182 of the control unit 180 to set the response call request state including the telephone number information according to a pre- Can be displayed. In addition, when a state change corresponding to the failure of the call attempt occurs in the call origination window, the display unit 151 displays a call request selection window that can select the origination of the call request packet message under the control of the output control unit 182 .

The audio output unit 152 outputs audio data received from the communication unit 110 or stored in the memory unit 160 in a standby mode, a communication mode, a recording mode, a voice recognition mode, a broadcast reception mode, In addition, the sound output unit 152 outputs sound signals related to call signal reception tones, message reception tones, and the like, which are performed in the communication terminal apparatus 100.

The memory unit 160 stores an operating system program 161, a call request application program 162, and the like. The control unit 180 executes the operating system program 161 to boot the communication terminal apparatus 100 and executes the call request application program 162 to perform the packet based call request function according to the embodiment of the present invention. Can be performed. The memory unit 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory) , A RAM, and a ROM. For example, the call request application program 162 may be released and distributed in a state pre-stored in the memory unit 160 of the communication terminal apparatus 100. However, various applications of the smart phone called an application, program may be downloaded through the communication unit 110 and installed later.

The control unit 180 includes a message analysis unit 181, an output control unit 182, a call request control unit 183, and the like. The control unit 180 controls the overall operation of the communication terminal apparatus 100 by controlling the communication unit 110, the microphone 120, the camera module unit 130, the output unit 150, the memory unit 160, do. For example, voice communication, data communication, video communication, and the like.

The message analyzer 181 configuring the controller 180 extracts telephone number information from the call request packet message received by the communication unit 110. [ If the SMS message received by the communication unit 110 includes a specific phrase or an identifier, the message analysis unit 181 recognizes the SMS message as a call request packet message.

The output control unit 182 controls the output unit 150 to display the reply call request state by including the telephone number information according to a predetermined call request display mode. When the message analyzing unit 181 recognizes the SMS message as a call request packet message, the output control unit 182 controls the output unit 150 to display the phone number information included in the SMS message according to a predetermined call request display method ). In addition, the output control unit 182 controls the output unit 150 to display a call request selection window in which a call request packet message can be selected when a state change corresponding to a failure of a call attempt occurs in a call origination window.

The call request control unit 183 controls the communication unit 110 to transmit a call request packet message when a predetermined status change occurs in the call origination window or the call log window.

Among the components other than the components constituting the communication terminal apparatus 100, the microphone 120 receives an audio signal. The microphone 120 receives an external sound signal and processes it as electrical voice data in a communication mode, a recording mode, a voice recognition mode, and the like. The processed voice data may be converted into a form that can be transmitted to the mobile communication base station through the mobile communication unit 111 and output when the voice data is in the call mode.

The camera module unit 130 includes a rear camera 131 and a front camera 132. The camera module unit 130 receives a video signal under the control of the controller 180. The rear camera 131 is installed on the rear side of the communication terminal apparatus 100 and the front side camera 132 is installed on the front side of the communication terminal apparatus 100. Of these, the front camera 132 is mainly used for a video call and a self photographing. The rear camera 131 and the front camera 132 process image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. Then, the processed image frame can be displayed on the display unit 151. [

The user input unit 140 generates key input data that the user inputs for controlling the operation of the communication terminal apparatus 100. The user input unit 140 includes a key pad, a dome switch, and a touch pad (static / static) capable of receiving commands or information by a push or touch operation of the user. In particular, the touch pad forms a mutual layer structure with the display unit 151, which is called a touch screen. For example, the communication terminal apparatus 100 may be a mobile communication terminal apparatus including a touch screen as a kind of input / output interface.

The interface unit 170 serves as an interface with all external devices connected to the communication terminal apparatus 100. Examples of the external device connected to the communication terminal apparatus 100 include a card socket such as a wired / wireless headset, an external charger, a wired / wireless data port, a memory card, a SIM (Subscriber Identification Module) card, / O (input / output) jack, video I / O (input / output) jack, and earphone.

3 is a flowchart illustrating a procedure for transmitting a call request by a communication terminal apparatus having a packet-based call request function according to an embodiment of the present invention.

As shown in the figure, the call request delivery process according to the embodiment includes a step 201 to 205 of displaying a phone call window when a phone call is selected on the home screen.

The method further includes steps 207 and 209 for displaying a call request selection window in which a call request packet message can be selected when a state change corresponding to a failure of a call attempt occurs in a call origination window.

In addition, when a call request is selected in the call request selection window, steps (211 and 213) of sending a call request packet message are included.

In addition, according to the embodiment of the present invention, when a predetermined status change occurs in a call origination window or a call log window, a call request packet message can be originated.

4 is a flowchart illustrating a procedure for displaying a call request by a communication terminal apparatus having a packet based call request function according to an embodiment of the present invention.

As shown in the figure, the call request indication process according to the embodiment includes receiving (301) a call request packet message including telephone number information requesting a reply call.

And further extracting (303) telephone number information from the received call request packet message.

In addition, the method further includes steps 305 and 307 for indicating the state of the call request including the telephone number information after determining the predetermined call request display mode.

In addition, if the SMS message includes a specific phrase or an identifier, it is recognized as a call request packet message, and a return call request status can be displayed according to a call request display mode.

Here, the call request display method may include at least one of a display of a missed call on a lock screen, a popup display of a call request notification window on a home screen, a notification window of a mobile operating system, a badge display of a specific application program icon, A display method can be used. Alternatively, all of the call requests listed above can be used simultaneously.

In addition, when the list of the call records is requested, the step 309 and 311 further include displaying the call request status as a call request field.

FIGS. 5 and 6 are views illustrating screens that can be output in a call request delivery process according to an exemplary embodiment of the present invention. FIGS. 7 to 12 illustrate screens that can be output in a call request display process according to an exemplary embodiment of the present invention. Fig. These drawings will be described below.

Hereinafter, with reference to FIG. 1 to FIG. 12, a process of executing a call request application program 162 and performing a packet-based call request method according to an embodiment of the present invention will be described in detail do.

First, the call request support server 10 collects various information of the communication terminal apparatus 100, and registers and stores the collected information in the terminal information database 20. That is, information on the operating system program 161 mounted on the communication terminal apparatus 100, information on whether or not the call request application program 162 is loaded, whether the call request application program 162 is set to the call request delivery mode And may register and store the collected information in the terminal information database 20.

The control unit 180 of the communication terminal apparatus 100 executes the operating system program 161 stored in the memory unit 160 to boot the communication terminal apparatus 100 and executes the call request application program 162, Based call request delivery mode according to an embodiment of the present invention.

When the telephone call is selected 203 on the home screen 201, the display unit 151 of the output unit 150 displays the telephone call window according to the control of the controller 180 (205).

In addition, the call request control unit 183 of the control unit 180 may control the communication unit 110 to transmit a call request packet message when a predetermined status change occurs in the call origination window or the call log window. Then, the mobile communication unit 111 can transmit a call request packet message including the telephone number information to the call request support server 10.

For example, when a state change in which the call request button 403 is touched in the phone call window 401 of FIG. 5 occurs, the display unit 151 can select the call of the call request packet message under the control of the output control unit 182 The call request selection window 405 of FIG. 6 is displayed.

When the state change corresponding to the failure 207 of the call attempt occurs in the telephone call window 401, the display unit 151 displays the call request window 405 of FIG. 6 under the control of the output control unit 182 (209).

When the send button 407 of the call request selection window 405 is touched and the call request is selected 211, the mobile communication unit 111 transmits a call request including the telephone number information according to the control of the call request control unit 183 And transmits the packet message to the call request supporting server 10 (213).

Then, the call request supporting server 10 confirms the operation status of the receiving communication terminal apparatus 100 in the terminal information database 20, and transmits a call request packet message in various forms to the receiving- To the device. For example, a call request packet message is transmitted to the communication terminal apparatus 100 set in the call request delivery mode in a push manner, and a call request packet message is sent in the form of an SMS message to the communication terminal apparatus 100, send.

When the call request packet message is transmitted in a push manner by the call request supporting server 10, the mobile communication unit 111 of the receiving communication terminal apparatus 100 transmits a call request packet message including the telephone number information requesting the reply call (301).

Then, the message analysis unit 181 extracts telephone number information from the received call request packet message (303).

Here, the output control unit 182 recognizes the preset call request display mode (305). The call request display method may be preset by the user and stored in the memory unit 160. For example, the call request display mode may be set to either a missed call display on the lock screen, a pop-up display of a call request notification window on a home screen, a notification window of a mobile operating system, a badge display of a specific application program icon, . Alternatively, all of the call request indication methods listed above may be set at the same time.

When the call request display mode is recognized, the output control unit 182 controls the display unit 151 to display the reply call request status including the phone number information.

Then, the display unit 151 of the output unit 150 displays the reply call request status including the telephone number information (307).

Meanwhile, if the call request packet message is transmitted in the form of an SMS message by the call request supporting server 10, the mobile communication unit 111 receives a call request packet message in the form of an SMS message, and the message analyzer 181 If a specific phrase or identifier is included, the call request packet is recognized as a message, and the display unit 151 displays a reply call request status according to a predetermined call request display method as described above.

7 to 12, a reply call request state displayed by the display unit 151 under the control of the output control unit 182 will be described.

As illustrated in FIG. 7, the display unit 151 may display a missed call 411 on the lock screen 409 under the control of the output control unit 182.

8, the display unit 151 may display a call request notification window 415 in a pop-up form on the home screen 413 under the control of the output control unit 182. [

9, the display unit 151 may display a reply call request status in the notification window 417 of the mobile operating system under the control of the output control unit 182. [

Alternatively, as illustrated in FIG. 10, the display unit 151 may display a reply call request status to the badge of the specific application icon 419 under the control of the output control unit 182. [

11, the display unit 151 may display a reply call request status to the badge of the call record icon 421 under the control of the output control unit 182. [

Thereafter, the user can recognize the status of the call-back request, which can be displayed in various ways, and can request a list of call records in a predetermined manner. For example, a list of the call log may be requested 309 by touching the call log icon showing the status of the reply call request through the badge.

12, the display control unit 182 controls the display unit 151 to display a list of the call records, and the display unit 151 displays the list of the call records according to the control of the output control unit 182. [ The call request field indicating the status of the reply call request is added to the list for recording and display. At this time, the call request field may be displayed as a missed call field (311). In particular, since the call request field added to the list of call records has non-volatile characteristic that is not erased even after confirmation, it can be managed together with other call records.

Also, as illustrated in FIGS. 8 to 12, the number of reception times of the talk request packet message may be counted and displayed together with the reply call request status.

In addition, in the embodiment shown in FIG. 12, step 311 is performed after step 307, but step 311 may be performed as a kind of the previously set call request indication method in step 307.

As described above, according to the embodiment of the present invention, it is possible to send and receive a call request packet message requesting a reply call, thereby transmitting a call request.

Therefore, the stress or inconvenience which the user can feel as the telephone receiver is unable to make or receive a telephone call in a difficult situation is solved.

In particular, among the various call request display methods, the pop-up display method or the call log display method significantly increases the recognition of the call request, and in particular, the call request field recorded in the list of the call history can be integratedly managed together with other call records Provides convenience.

Combinations of each step of the flowchart and each block of the block diagrams appended to the present invention may be performed by computer program instructions. These computer program instructions may be loaded into a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus so that the instructions, which may be executed by a processor of a computer or other programmable data processing apparatus, And means for performing the functions described in each step are created. These computer program instructions may also be stored in a computer usable or computer readable memory capable of directing a computer or other programmable data processing apparatus to implement the functionality in a particular manner so that the computer usable or computer readable memory It is also possible for the instructions stored in the block diagram to produce a manufacturing item containing instruction means for performing the functions described in each block or flowchart of the block diagram. Computer program instructions may also be stored on a computer or other programmable data processing equipment so that a series of operating steps may be performed on a computer or other programmable data processing equipment to create a computer- It is also possible that the instructions that perform the processing equipment provide the steps for executing the functions described in each block of the block diagram and at each step of the flowchart.

Also, each block or each step may represent a module, segment, or portion of code that includes one or more executable instructions for executing the specified logical function (s). It should also be noted that in some alternative embodiments, the functions mentioned in the blocks or steps may occur out of order. For example, two blocks or steps shown in succession may in fact be performed substantially concurrently, or the blocks or steps may sometimes be performed in reverse order according to the corresponding function.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

According to an embodiment of the present invention, a call request packet requesting a reply call can be received and transmitted to communicate a call request.

The computer-readable recording medium on which the communication terminal apparatus according to the embodiment of the present invention and the program for executing the packet-based call request method are recorded may be a mobile communication terminal apparatus such as a smart phone or a tablet computer, The present invention can also be applied to a wired communication terminal apparatus provided with a wired communication terminal apparatus.

10: call request support server 20: terminal information database
100: communication terminal device 110:
120: microphone 130: camera module
140: user input unit 150: output unit
160: memory unit 161: operating system program
162: call request application 170: interface part
180: control unit 181: message analysis unit
182: output control section 183: call request control section

Claims (12)

A communication unit for receiving a call request packet message including telephone number information requesting a reply call;
A message analyzer for extracting the telephone number information from the received call request packet message;
And an output unit for displaying a reply call request status including the telephone number information according to a preset call request display mode. The method according to claim 1,
The call request display method may include displaying at least one of a missed call display on a lock screen, a popup display of a call request notification window on a home screen, a notification window of a mobile operating system, a badge display of a specific application program icon, And a display mode of the call connection request. 3. The method according to claim 1 or 2,
Wherein the output unit displays the return call request status as a call request field when a list of call records is requested. The method according to claim 1,
The message analyzing unit recognizes the message as a call request packet message if a short message service (SMS) message received by the communication unit includes a specific phrase or an identifier,
Wherein the output unit displays the phone number information included in the SMS message according to the call request display method. The method according to claim 1,
And a call request control unit for controlling the communication unit to transmit the call request packet message when a predetermined status change occurs in a call origination window or a call log window. 6. The method of claim 5,
Wherein the output unit displays a call request selection window in which the call request packet message can be selected when the status change corresponding to the failure of the call attempt in the call origination window occurs, The communication terminal apparatus comprising: Receiving a call request packet message including telephone number information requesting a reply call;
Extracting the telephone number information from the received call request packet message;
And displaying a reply call request status including the telephone number information according to a preset call request display mode. 8. The method of claim 7,
The call request display method may include displaying at least one of a missed call display on a lock screen, a popup display of a call request notification window on a home screen, a notification window of a mobile operating system, a badge display of a specific application program icon, And a display method for displaying the call information. A computer-readable recording medium on which a program for executing a packet based call request method is recorded. 9. The method according to claim 7 or 8,
Wherein the step of displaying the reply call request status includes displaying the reply call request status as a call request field when a list of call records is requested. media. 8. The method of claim 7,
If a short message service (SMS) message includes a specific phrase or an identifier, the mobile terminal recognizes the call request packet message and displays a call request status according to the call request display mode. And a recording medium. 8. The method of claim 7,
And the call request packet message is transmitted when a predetermined status change occurs in a call origination window or a call log window. 12. The method of claim 11,
And a call request selection window for selecting the call of the call request packet message when the status change corresponding to the failure of the call attempt occurs in the call originating window. Recorded on a computer readable medium.

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