WO2015133726A1

WO2015133726A1 - Messenger service system, messenger service method and device for voice call in same system

Info

Publication number: WO2015133726A1
Application number: PCT/KR2015/000659
Authority: WO
Inventors: 오길훈; 이재하
Original assignee: 에스케이플래닛 주식회사
Priority date: 2014-03-07
Filing date: 2015-01-22
Publication date: 2015-09-11
Also published as: KR20150105559A

Abstract

The present invention relates to a messenger service system, and a messenger service method and device for a voice call in the system, wherein a terminal device executes a messenger service by performing communication for the messenger service in interworking with a service device via a communication network, and when a call-disabled situation occurs during a voice call via a messenger, the terminal device converts voice information input from the user into text, transmits an instant message including the converted text to a counterpart terminal via the messenger, and outputs the instant message including the converted text to a messenger conversation screen. Therefore, even when the conversation is interrupted by a temporary call cut-off incident or the call disconnection due to the call cut-off, a user can clearly recognize call contents and can perform a smooth conversation.

Description

Messenger service system, messenger service method and apparatus for voice call in the system

The present invention relates to a messenger service. In particular, when a situation in which a voice call cannot be made when a voice call is made through a messenger occurs, the voice information input from the user is converted into text, and the converted text is included in an instant message. A messenger service system for transmitting to a counterpart via a messenger, and a messenger service method and apparatus for a voice call in the system.

The contents described in this section merely provide background information on the embodiments, and do not constitute a prior art.

Recently, thanks to the remarkable development of information and communication technology and semiconductor technology, the spread and use of portable terminals is increasing rapidly. In particular, recent portable terminals have reached the stage of mobile convergence that encompasses the range of other terminals instead of staying in their own traditional areas.

Typically, a mobile terminal has a TV viewing function (e.g., a mobile broadcasting such as Digital Multimedia Broadcasting (DMB) or Digital Video Broadcasting (DVB)), a music playback function (e.g., an MP3) MPEG Audio Layer-3), picture taking function, and internet access function are being added.

In addition, recent mobile communication terminals have developed various types of user functions based on an open OS, and provide various conveniences and entertainments as users can install them arbitrarily. The application can be easily obtained, and the high performance can handle many functions processed by the PC.

Commonly used services in a mobile communication terminal include a message service that other users can exchange messages with, such as a short message service (SMS), a multimedia message service (MMS), an instant messenger or a messenger service such as a mobile messenger. Such a message service is very expensive because it is inexpensive compared to a call service and can transmit a person's intention or a message to a counterpart user more easily than a direct call, and has recently been provided separately. Is integrated into one, and development is being made in the form of an integrated message service that can use various additional functions such as file transfer and content sharing.

In particular, a messenger service is a service that allows a user to chat (chat) with a specific user on the Internet, and can send and receive text and various files in real time, and can also have a group chat. These messenger services are simply downloaded and installed from a web store, etc., and users who have installed messenger programs are rapidly spreading and being used in recent years as real-time conversations are possible anytime and anywhere.

Recently, various functions have been added to these messenger services, and technology development for voice calls (or free calls) through mobile voice over internet protocol (mVoIP) has been actively performed. mVoIP is a technology that allows users to make Internet calls to mobile terminal devices using wireless mobile Internet such as Wi-Fi and wireless LAN.

However, to date, voice calls through messenger services are at a low call quality, and thus, there is a problem in that a smooth call cannot be made because a situation in which a call cannot be made frequently occurs.

The present invention has been proposed to solve the conventional inconvenience, when a situation in which a voice call cannot be made when a voice call is performed through a messenger in a terminal device, converts the voice information input from the user into text and converts the text. A messenger service system for transmitting an instant message including the converted text to a counterpart terminal device through a messenger and outputting an instant message including the converted text on a messenger conversation screen, and a messenger service method and apparatus for a voice call in the system; To provide.

According to an aspect of the present invention, there is provided a terminal device including: a communication unit configured to perform communication for a messenger service in association with a service device through a communication network; An output unit for outputting information related to the messenger service; And when it is determined that a voice call cannot be made while a voice call is connected to a specific counterpart terminal device through a voice call function supported by the messenger service while the messenger service is executed, input from a user. Converts the converted voice information into text and transmits an instant message including the converted text to the counterpart terminal device through the messenger service, or converts the received voice information into text when the voice information is received from the counterpart terminal device. And a controller configured to control to output the instant message including the converted text to the messenger service through the output unit.

In this case, when it is determined that the situation where the voice call cannot be made occurs, the controller converts the voice information input from the user into text for a predetermined range of time based on the determined time point, or from the counterpart terminal device. The received voice information can be converted into text.

The controller may check the call quality based on the transmission strength or ambient noise information of the wireless signal while the voice call is connected, and when the confirmed call quality is lower than a predetermined level, the voice call may be made. It can be determined that no situation has occurred.

In addition, the controller detects a call output sound while the voice call is connected, and when the call output sound is disconnected by a predetermined level or less than a preset number of times, the voice call cannot be made. It can be determined that this has occurred.

The controller may determine that a situation in which the voice call cannot be made occurs when voice information is not transmitted or received for a predetermined time or more while the voice call is connected.

The controller may determine that the voice call cannot be made when voice information including a specified specific word is input or when a selection input of a designated menu occurs while the voice call is connected.

The controller may determine that the voice call cannot be made when the presence information of the user messenger service is changed to the idle state while the voice call is connected.

In addition, when an instant message including text converted from voice information is received from the counterpart terminal device, the controller converts the voice information input from the user into text until receiving the voice call message, and includes the converted text. The mobile terminal may control to transmit the instant message to the counterpart terminal device.

The controller may control the voice information to be transmitted / received through the voice call function when it is determined that a situation in which a voice call is made after the voice call is requested to the counterpart terminal device but before the voice call is connected. Can be.

In addition, the controller may further include specified information that can be distinguished from a general instant message when outputting the instant message including the converted text through the output unit.

According to an aspect of the present invention, there is provided a service apparatus including: a communication unit configured to perform communication for a messenger service by interworking with two or more terminal apparatuses through a communication network; And executing a messenger service between the terminal devices, and a voice call cannot be made by any one terminal device while a voice call is connected between the terminal devices through a voice call function supported by the messenger service. If it is determined to be generated, the voice information received from the terminal device or voice information received from another terminal device is converted into text, and the instant message including the converted text is transmitted to another terminal device or transmitted to the terminal device. It may be configured to include; messenger service providing unit for controlling.

In this case, the messenger service provider, if it is determined that a situation in which a voice call can be made in the terminal device where a situation in which the voice call cannot be made has occurred, from the voice information received from the terminal device or another terminal device; The received voice information may be transmitted to the other terminal device or controlled to be transmitted to the terminal device.

The messenger service system according to a preferred embodiment of the present invention for achieving the above object is provided with a specific counterpart terminal device through a voice call function supported by the messenger service while the messenger service provided by the service device is executed. If it is determined that the voice call cannot be made while the voice call is connected, an instant message including text converted from voice information input from the user is transmitted to the service device to be delivered to the counterpart terminal device. A terminal device for requesting or outputting an instant message including text converted from the received voice information when the voice information is received from the counterpart terminal device through the messenger service; And providing the messenger service, and when the instant message including the text converted by the voice information is received from the terminal device, delivers the instant message to the counterpart terminal device, and transmits the voice information transmitted from the counterpart terminal device to the terminal device. It may be configured to include; the service device.

In a messenger service method for a voice call in a terminal device according to an embodiment of the present invention for achieving the above object, a specific counterpart is provided through a voice call function supported by the messenger service while a messenger service is executed. Connecting a voice call with the terminal device; When a voice call is connected to the counterpart terminal device, transmitting and receiving a voice call message including voice information with the counterpart terminal device and determining whether a situation in which a voice call cannot be made occurs; And converting the voice information input from the user into text and transmitting an instant message including the converted text to the counterpart terminal device through the messenger service when a situation in which the voice call cannot be made occurs. Can be.

In this case, the method may further include outputting an instant message including the converted text from the user through the messenger service.

In addition, when the voice information is received from the counterpart terminal device, converting the received voice information into text and outputting an instant message including the converted text through the messenger service.

The method may further include: when the voice call is not connected to the counterpart terminal device, outputting a guide message for inputting voice information through the messenger service; Converting the input voice information into text when the voice information is input according to a guide from the user; And transmitting the instant message including the converted text to the counterpart terminal device.

In addition, after the step of transmitting to the counterpart terminal device, if it is determined that a situation in which the voice call can be made, controlling the voice information to be transmitted and received through the voice call function; may be further included. .

According to a preferred embodiment of the present invention, a messenger service method for a voice call in a service device includes: performing a voice call connection through a messenger service between two or more terminal devices; Determining whether a situation occurs in which one of the terminal devices cannot make a voice call while the voice call is connected between the terminal devices; And when it is determined that a situation in which one of the terminal devices cannot make a voice call occurs, converts the voice information transmitted from the terminal device into text and converts an instant message including the converted text into another terminal through the messenger service. Sending to the device; can be made.

In this case, when it is determined that a situation in which one of the terminal devices cannot make a voice call occurs, the voice information transmitted from the other terminal device is converted into text and an instant message including the converted text is transmitted to the terminal device. It may be made to include more.

In addition, after the step of transmitting to the other terminal device, if it is determined that a situation in which the terminal device can make a voice call occurs, transmits an instant message including voice information transmitted from the terminal device to the other terminal device. Or transmitting the instant message including the voice information transmitted from the other terminal device to the terminal device.

In the computer-readable recording medium of the present invention for achieving the above object, a program for executing a messenger service method for a voice call is recorded.

The present invention converts the voice information input from the user to a text to make an instant message including the text converted through the messenger even if a situation in which a call cannot be made when the voice call is executed through the messenger is executed. You can send it to the other party. For this reason, the present invention can clearly recognize the contents of the interrupted call even when the call is terminated due to the temporary disconnection of the call or the call is interrupted, and thus the smooth conversation can be performed.

1 is a diagram illustrating a configuration of a messenger service system according to embodiments of the present invention.

2 is a diagram illustrating a configuration of a terminal device in a messenger service system according to embodiments of the present invention.

3 is a diagram illustrating a configuration of a service apparatus in a messenger service system according to embodiments of the present invention.

4 is a diagram illustrating a messenger service method for a voice call for converting voice information into text when performing a voice call in a terminal device according to a first embodiment of the present invention.

FIG. 5 is a diagram illustrating a messenger service method for a voice call for converting voice information into text when a voice call connection fails in the terminal device according to the first embodiment of the present invention.

FIG. 6 is a diagram illustrating a messenger service method for a voice call for converting voice information into text according to a text conversion request in a voice call in the terminal device according to the first embodiment of the present invention.

7 is a diagram illustrating a messenger service method for a voice call in a service apparatus according to a second embodiment of the present invention.

8 is a diagram illustrating a messenger service method for a voice call for converting voice information into text during a group voice call in a terminal device according to a third embodiment of the present invention.

9 is a diagram illustrating an example of a main screen and a call screen for a voice call in a messenger service according to embodiments of the present invention.

10 is a diagram illustrating an example of a conversation screen when a situation in which a voice call cannot be made according to the first embodiment of the present invention occurs.

11 is a diagram illustrating an example of a call screen and a conversation screen when a voice call connection fails according to the first embodiment of the present invention.

12 is a diagram illustrating an example of a call screen and a conversation screen when a text menu is selected according to the first embodiment of the present invention.

FIG. 13 is a diagram illustrating an example of a call screen and a conversation screen when a away menu is selected during a group voice call according to a third embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, in the following description and the accompanying drawings, detailed descriptions of well-known functions or configurations that may obscure the subject matter of the present invention will be omitted. In addition, it should be noted that like elements are denoted by the same reference numerals as much as possible throughout the drawings.

The terms or words used in the specification and claims described below should not be construed as being limited to ordinary or dictionary meanings, and the inventors are appropriate as concepts of terms for explaining their own invention in the best way. It should be interpreted as meanings and concepts in accordance with the technical spirit of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configuration shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all of the technical ideas of the present invention, and various alternatives may be substituted at the time of the present application. It should be understood that there may be equivalents and variations.

Prior to the description, the voice information among the information and messages mentioned for explaining the messenger service for a voice call in the messenger service system according to the embodiments of the present invention is voiced through a mobile Voice over Internet Protocol (mVoIP). Information including a data packet obtained by converting a voice signal input from a user for a call (or a free call) into a digital signal.

In addition, the instant message referred to as “instant message” is a message that is transmitted and received in real time for a conversation with a counterpart via the Internet in a messenger service, and refers to a message that transmits a conversation content as a text. Herein, a message for transmitting / receiving a picture, video, voice, etc. among instant messages transmitted and received through a messenger will be referred to as a multimedia message. In addition, the voice call message referred to herein refers to a message for transmitting and receiving a call content, that is, input voice information during a voice call, and means a message transmitted and received between terminal devices through a mobile Internet phone during a messenger service.

In addition, prior to the description, the instant messaging device and method for a voice call in the present invention may be described according to various embodiments. In the first exemplary embodiment of the present invention, when a call cannot be made during a voice call, a messenger service for converting voice information input from a terminal device into text will be described. In the second embodiment of the present invention, when a service device providing a messenger service detects that a call cannot be made during a voice call between terminal devices, the voice information transmitted by the terminal device is converted into text. A messenger service that can be provided to a terminal device will be described. Finally, in the third embodiment of the present invention, a description will be given of a messenger service for voice call during group voice call.

First, a messenger service system according to embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to FIG. 1, a messenger service system may include one or more terminal devices 100 and a service device 200 connected through a communication network 10.

The terminal device 100 refers to a terminal capable of transmitting and receiving various data via the communication network 10 according to a user's key manipulation, and may be a tablet PC, a laptop, or a personal computer. ), A smart phone, a personal digital assistant (PDA), a smart TV, and a mobile communication terminal (Mobile Communication Terminal).

In addition, the terminal device 100 is a terminal for performing voice or data communication using the communication network 10, and stores a browser, a program, and a protocol for communicating with the service device 200 via the communication network 10. It refers to a terminal having a microprocessor for operating and controlling various programs. That is, the terminal device 100 can perform server-client communication with the service device 200, and any terminal can be used as long as it can execute a messenger service, and all communication computing devices such as a notebook computer, a mobile communication terminal, and a PDA can be used. It is a broad concept to include. On the other hand, the terminal device 100 is preferably manufactured in the form having a touch screen, but is not necessarily limited thereto.

In particular, when the terminal device 100 according to the first embodiment of the present invention executes a messenger service and performs a voice call with at least one counterpart terminal device 100 through a messenger service, a situation in which a voice call cannot be made Then, the voice information input from the user may be converted into text, and an instant message including the converted text may be transmitted to the counterpart terminal device 100 through a messenger. In addition, when the terminal device 100 receives an instant message including text converted from voice information received from the counterpart terminal device 100, the terminal device 100 may output the received instant message on the messenger conversation screen.

In addition, the terminal device 100 according to the second embodiment of the present invention transmits the voice information input from the user to the service device 200 when a situation in which a call cannot be made when a voice call is made through a messenger occurs. In addition, an instant message including text converted from voice information transmitted from the service apparatus 200 may be received and output on the messenger conversation screen. In this case, the service device 200 may transmit an instant message including the converted text to the counterpart terminal device 100.

In addition, the terminal device 100 according to the third embodiment of the present invention can perform a group voice call with two or more counterpart terminal devices 100 through a messenger. When the selection signal is detected, the service device 100 may transmit a message informing that the user is away. Accordingly, the terminal device 100 may receive an instant message including the text obtained by converting voice information transmitted and received between the counterpart terminal devices 100 from the service device 200. In addition, when a situation in which a voice call cannot be made during a group voice call occurs, the terminal device 100 according to the third embodiment of the present invention uses the voice information input from the user as in the first embodiment of the present invention. The text message may be converted into text and an instant message including the converted text may be transmitted to the counterpart terminal devices 100 through a messenger.

The service device 200 may provide a program or an application related to a messenger service by interworking with one or more terminal devices 100 through the communication network 10, and the messenger service is executed in the terminal devices 100 to transmit and receive. Messages related to a messenger service, such as instant messages and voice call messages, may be transmitted and received. In addition, the service device 200 converts the voice information received from the terminal devices 100 into text when a situation in which a call cannot be made when a voice call is performed through the messenger between the terminal devices 100 occurs. An instant message including the converted text may be transmitted to the terminal devices 100, respectively.

The terminal device 100 and the service device 200 are interworked through the communication network 10. The communication network 10 uses an internet protocol using various wired / wireless communication technologies such as an internet network, an intranet network, a mobile communication network, and a satellite communication network. A network that can send and receive data. In addition, the communication network 10 is combined with the service device 200 to store computing resources such as hardware and software. Such a communication network 10 is not only an open network such as a local area network (LAN), a wide area network (WAN), an open network such as the Internet, but also code division multiple access (CDMA) and wideband code division (WCDMA). It is a concept that collectively refers to networks such as Multiple Access (GSM), Global System for Mobile Communications (GSM), Long Term Evolution (LTE), and Evolved Packet Core (EPC), as well as next-generation networks and computing networks to be implemented.

The configuration of a terminal device according to embodiments of the present invention in the messenger service system configured as described above will be described in detail with reference to the accompanying drawings.

Referring to FIG. 2, the terminal device 100 may include a control unit 110, an input unit 120, a communication unit 130, a storage unit 140, and an output unit 150.

The controller 110 according to the embodiments of the present invention performs overall control of the terminal device 100, and in particular, may control an operation related to a voice call in a messenger service and a messenger service. To this end, the controller 110 may be configured to include a messenger service execution module 111 for a messenger service.

The messenger service execution module 111 according to the embodiments of the present invention is functionally connected to the communication unit 120 to install a messenger program or application received from the service device 200, and then, according to a user's request, a messenger service. You can run

In addition, the messenger service execution module 111 according to embodiments of the present invention may select “talk” or “free call” through one execution screen of the messenger service as shown in FIG. 9 (a). If a menu is provided and a selection signal of any one of the menus is sensed, the user can switch to a chat screen or a call screen and perform a chat or a voice call through a messenger. Here, the conversation refers to a general text-based messenger service, and the call refers to performing a voice call through the messenger service.

In addition, the messenger service execution module 111 according to the embodiments of the present invention may perform a voice call by monitoring whether a situation in which a voice call cannot be made occurs while a voice call is connected through a messenger service. If there is no situation, the voice information input from the user is directly converted into text, or transmitted to the service device 200 to receive the converted text from the service device through an instant message and display the chat contents as text on the messenger chat screen. can do.

The messenger service execution module 111 according to the first embodiment of the present invention converts the voice information input from the user into text and converts the voice information input from the user when a situation in which a call cannot be made when a voice call is made through the messenger occurs. It is possible to control to generate the instant message including the instant message to the counterpart terminal device 100 via a messenger. In this case, as illustrated in FIG. 10, the messenger service execution module 111 outputs an instant message including the converted text to a chat screen of the output unit 150 and receives the instant message received from the counterpart terminal device 100. You can control the output of messages to the chat screen. The received instant message may be text converted from voice information input from the counterpart terminal device 100, that is, an instant message including a call content or an instant message including a conversation content input as text for a messenger conversation.

The messenger service execution module 111 according to the first embodiment of the present invention may determine whether a situation in which a voice call cannot be made from various viewpoints occurs. Here, when the voice call is not possible, when the voice call is connected, the call quality is checked based on the transmission strength or ambient noise information of the wireless signal, and when the confirmed call quality is lowered below a certain level, the call output sound When the voice signal is detected and the call output sound is below the preset level or the disconnection occurs more than the preset number of times, when the voice information is not transmitted or received for more than the preset time, the voice information including the specific word designated by the user is input or When the selection input of the menu is generated, it may be determined that the voice call cannot be made when the presence information of the messenger service is changed to the vacant state.

Specifically, the messenger service execution module 111 checks the call quality based on the transmission strength or ambient noise information of the wireless signal during the voice call, and if the confirmed call quality is lowered to a predetermined level or less, the input voice information is texted. You can also convert to. At this time, the messenger service execution module 111 transmits the information on the confirmed call quality to the service device 200, and sends an instant message including text converted from voice information of an unreceived party from the service device 200. It may be controlled to receive and output the received instant message on the messenger conversation screen.

In addition, the messenger service execution module 111 detects a call output sound during a voice call, and when the call output sound is cut off at a predetermined level (sound pressure sensitivity (dB)) or a predetermined number of times or more, a voice transmitted and received You can also convert information to text.

In addition, when the messenger service execution module 111 receives an instant message including text converted from voice information from the counterpart terminal device 100, the voice input from the user is received until the voice call message is received from the counterpart terminal device 100. The information may be converted into text, and the instant message including the converted text may be transmitted to the counterpart terminal device 100. The messenger service execution module 111 may convert the voice information input after the last transmitted / received voice information into text when the voice information has not been transmitted or received for a predetermined time or more with the call connection connected.

In addition, the messenger service execution module 111 may convert the input voice information into text while transmitting the input voice information when the voice information including the predetermined specific word is input from the user during the voice call.

In addition, the messenger service execution module 111 according to the first embodiment of the present invention receives a text conversion request from the user when performing a voice call through a messenger, converts the voice information input from the user into text after switching to the text mode. And convert the instant message including the converted text to the counterpart terminal device 100 through the messenger. In this case, the messenger service execution module 111 may control to output a guide message informing that the voice information input on the call screen is converted into text. When a specific input signal is detected in the text mode state, the messenger service execution module 111 may switch to the call mode and transmit a voice call message including the input voice information to the counterpart terminal device 100.

On the other hand, the messenger service execution module 111 of the control unit 110 according to the second embodiment of the present invention is functionally connected with the communication unit 120, when a situation in which a voice call cannot be made through a messenger, The voice information input from the user may be controlled to be transmitted to the service device 200. Accordingly, the voice information received by the service device 200 may be converted into text, and an instant message including the converted text may be transmitted to the caller and the called party terminal device 100, respectively.

In addition, the messenger service execution module 111 may receive an instant message including text converted from voice information input from a caller and a receiver from the service device 200, and output the received instant message on a messenger conversation screen. Can be controlled.

Meanwhile, the messenger service execution module 111 of the control unit 110 according to the third embodiment of the present invention is functionally connected to the communication unit 120 to execute a messenger service, and performs two or more counterpart terminal devices 100 through a messenger. And group voice calls. In this case, as shown in FIG. 13A, the messenger service execution module 111 detects a selection signal for the group voice call as the user selects the away menu displayed on the call screen. The device 200 may transmit a message informing that the user is away. Accordingly, the messenger service execution module 111 may control to receive an instant message including the text obtained by converting voice information transmitted and received between the counterpart terminal devices 100 from the service device 200. In addition, as illustrated in FIG. 13B, the messenger service execution module 111 controls to output the converted text on the messenger conversation screen, that is, an instant message including the conversation contents between the counterpart terminal devices 100. Can be.

In addition, the messenger service execution module 111 of the control unit 110 according to the third embodiment of the present invention, when the vacant state is released according to a specific input signal, sends a message indicating the vacant release state to the service device 200. And transmit and receive a voice call message including voice information according to a group voice call. In this case, as illustrated in FIG. 13B, the messenger service execution module 111 may control the messenger service execution module to output a message informing about the release of the vacant space on the messenger conversation screen.

In the third embodiment of the present invention as described above, when a situation in which a call cannot be made occurs, the messenger service execution module 111 converts the voice information input from the user into text and converts the converted text into text. The instant message may be controlled to be transmitted to the counterpart terminal devices 100 through a messenger.

In addition, when a situation in which the group voice call is not possible, the messenger service execution module 111 transmits the voice information input from the user to the service device 200 and converts the voice information input from the service device 200. An instant message including one text may be received, and an instant message including text converted from voice information input from the counterpart terminal device 100 may be received and output on the messenger conversation screen.

In addition, when a situation in which the group voice call is not possible, the messenger service execution module 111 receives a multimedia message including voice information transmitted and received between the counterpart terminal devices 100 from the service device 200 through a messenger. You may. That is, without converting voice information transmitted and received between the counterpart terminal devices 100 into text, voice information regarding a conversation content or a real-time conversation content for a predetermined time is included in a multimedia message as it is and output on a messenger conversation screen. Can be controlled. This can be applied to a case where the user selects the outputted multimedia message when the voice information capacity is large and wants to confirm the contents of the conversation between the parties at a time by voice. Accordingly, the user can check the conversation contents between the counterparts even when they are away. In this case, the messenger service execution module 111 may convert a part of voice packet data from a certain conversation content, that is, the entire conversation content, into text and display the text on the messenger conversation screen. In addition, the voice packet data may be checked to convert only packet data including a specific word into text and displayed on the messenger conversation screen.

In addition, the messenger service execution module 111 generates a multimedia message in a predetermined period or real time by storing the voice information input from the user when a situation in which a group voice call cannot be made occurs, and generates the generated multimedia message through a messenger. It may be controlled to transmit to the counterpart terminal devices 100. In this case, the service device 200 may receive the generated multimedia message and convert the voice packet data or the entire voice information of a predetermined portion into text according to a request of the other party, and transmit the text message to the counterpart terminal device 100.

The communication unit 120 according to the embodiments of the present invention may communicate with the service apparatus 200 through the communication network 10 to transmit and receive messages for a messenger service and a voice call (group voice call). The communication unit 120 may transmit and receive data through various communication methods as well as wired and wireless methods. In addition, the communication unit 120 may transmit and receive data using one or more communication methods, and for this purpose, the communication unit 120 may include a plurality of communication modules that transmit and receive data according to different communication methods.

The input unit 130 according to the embodiments of the present invention may generate a user input signal corresponding to a user's request or information according to a user's operation, and may be implemented by various input means that are currently commercialized or that can be commercialized in the future. For example, not only a general input device such as a keyboard, a mouse, a joystick, a touch screen, a touch pad, but also a gesture input means for detecting a user's motion and generating a specific input signal, and a voice recognition means for recognizing a user's voice. It may include. The input unit 130 transmits a voice signal input from a user, that is, a caller, to the controller 110, and receives a signal input for a messenger service from an execution screen (main screen, call screen, conversation screen, etc.) according to execution of a messenger service. It may be delivered to the control unit 110.

The storage unit 140 stores information necessary for the operation of the terminal device 100, and in particular, a program (or application) for a messenger service for a voice call received from the service device 200. ) And a program (or application) for text conversion and the like, and information input and generated messages according to execution of a messenger service may be stored. In addition, the storage 140 may temporarily store voice information input from a user and text converted from voice information, and may store instant messages, multimedia messages, voice call messages, and the like, which are transmitted and received with the counterpart terminal device 100. . The storage unit 140 may include an optical media such as a magnetic media such as a hard disk, a floppy disk, and a magnetic tape, a compact disk read only memory (CD-ROM), and a digital video disk (DVD). And magneto-optical media such as floppy disks and ROM, random access memory (RAM), and flash memory.

In addition, the storage 140 may store the screen image to be output to the display unit, as well as the application program required for the operation of the function according to embodiments of the present invention. The storage unit 140 may store a key map or a menu map for operating the touch screen when the display unit is configured as the touch screen. Here, the key map and the menu map may be in various forms. That is, the key map may be a keyboard map, a 3 * 4 key map, a qwerty key map, or the like, or may be a control key map for operation control of an currently activated application program. In addition, the menu map may be a menu map for controlling the currently running application program. The storage 140 is an operating system (OS) for booting the terminal device 100 and operating the above-described components, and various user functions, for example, a user for supporting a call function of the terminal device 100. Function, an MP3 user function for playing other sound sources, an image output function for playing an image such as a photo, and an application program for supporting a video playing function, respectively.

The output unit 150 according to the embodiments of the present invention is a means for providing the user to recognize the operation result or state of the terminal device 100. For example, a display unit for visually outputting through a screen; And a speaker for outputting an audible sound. In particular, according to the present invention, a screen related to the execution of a messenger service and a voice call (group voice call) driven by the terminal device 100, that is, a main screen, a call screen, a chat screen, and the like of a messenger service may be output. Instant messages, multimedia messages, and the like transmitted and received can be displayed on the screen.

Next, the configuration of a service apparatus according to embodiments of the present invention in a messenger service system will be described in detail with reference to the accompanying drawings.

Referring to FIG. 3, the service device 200 may include a communication unit 210, a messenger service providing unit 220, and a storage unit 230.

The communication unit 210 may transmit / receive messages for one or more terminal devices 100 and a voice call (group voice call) through a messenger service and a messenger through the communication network 10. The communication unit 210 may transmit and receive data through various communication methods as well as wired and wireless methods. In addition, the communication unit 210 may transmit and receive data using one or more communication methods, and for this purpose, the communication unit 210 may include a plurality of communication modules that transmit and receive data according to different communication methods.

The messenger service provider 220 according to the embodiments of the present invention controls an operation for a messenger service by interworking with two or more terminal devices 100 through the communication network 10, and is functionally connected to the communication unit 210. When a situation in which a call cannot be made when a voice call is performed through a messenger between the terminal devices 100 occurs, each terminal device receives an instant message including text converted from voice information received from each terminal device 100. 100 can be sent.

In particular, upon receiving voice information from the caller terminal device 100, the messenger service provider 220 according to the second embodiment of the present invention converts the received voice information into text and converts an instant message including the converted text into text. Each of the terminal devices 100 may transmit.

In addition, the messenger service provider 220 according to the second exemplary embodiment of the present invention may check a state in which a call cannot be made during a voice call between the terminal devices 100, for example, confirming a disconnected time point. The voice call message which has not been delivered since the identified time point may be detected, and the voice information included in the detected voice call message may be converted into text. In addition, the messenger service provider 220 may convert voice information received from the terminal devices 100 into texts after the identified time point, and transmit an instant message including the converted text to the terminal devices 100, respectively. have.

As another example, the messenger service provider 220 according to the second exemplary embodiment of the present invention receives information on a signal strength of a wireless signal from each terminal device 100 and receives information on the received signal strength during a voice call. If the confirmed call quality is lowered below a certain level by checking the call quality, the voice information included in the transmitted and received voice call message may be converted into text. Then, the messenger service provider 220 may transmit an instant message including the converted text to each terminal device 100.

Meanwhile, when the messenger service providing unit 220 according to the third embodiment of the present invention receives a message informing that the user is away from the terminal device 100, the contents of the voice call, that is, the voice call message between the counterpart terminal devices 100 are provided. The voice information included in the may be converted into text at a predetermined period or in real time, and the instant message including the converted text may be transmitted to the terminal device 100 requesting the vacancy. In addition, when the messenger service provider 220 receives a message informing that the user is away from the user, the messenger service provider 220 may transmit voice call messages including voice information corresponding to the group voice call to the corresponding terminal devices 100.

In addition, the messenger service provider 220 includes voice information regarding a conversation content for a predetermined time or a conversation content in real time in a multimedia message without converting the voice information transmitted and received between the counterpart terminal devices 100 into text. The terminal device 100 may transmit to the terminal device 100 requesting the vacancy.

The storage unit 230 stores information related to providing a messenger service for a voice call. In detail, the storage unit 230 may store an instant message, a multimedia message, a voice call message, and the like, which are transmitted / received between the terminal devices 100, and converts the text converted from the voice information received from the terminal device 100 into user information. Can be saved with (identification information). The storage unit 230 may include an optical media such as a magnetic media such as a hard disk, a floppy disk, and a magnetic tape, a compact disk read only memory (CD-ROM), and a digital video disk (DVD). And magneto-optical media such as floppy disks and ROM, random access memory (RAM), and flash memory.

Next, a messenger service method for a voice call in the messenger service system according to the embodiments of the present invention configured as described above will be described in detail with reference to the accompanying drawings. First, a messenger service method for a voice call according to a first embodiment of the present invention will be described.

4 is a diagram illustrating a messenger service method for a voice call for converting voice information into text when performing a voice call in a terminal device according to a first embodiment of the present invention. FIG. 5 is a diagram illustrating a messenger service method for a voice call for converting voice information into text when a voice call connection fails in the terminal device according to the first embodiment of the present invention. 6 is a diagram illustrating a messenger service method for a voice call for converting voice information into text according to a text conversion request in a voice call in a terminal device according to a first embodiment of the present invention.

First, an example according to the first embodiment of the present invention will be described with reference to FIG. 4. In step 1101, the terminal device 100 executes a messenger service by executing a messenger application, and then executes a messenger service on a display unit. Print the screen. Here, as shown in (a) of FIG. 9, the terminal device 100 displays a message of the other party, information of the other party, and “talk” and “free call” menus on the main screen. I can display it. In step 1102, the terminal device 100 checks whether there is a voice call request from the user. As a result of the check, when a selection signal for the “free call” menu input by the user is detected, the terminal device 100 switches to a call mode and outputs a call screen as shown in (b) of FIG. 9 in step 1103. Attempt to connect the call by transmitting a call request message to the selected counterpart terminal device 100.

Thereafter, in step 1104, when the call for a voice call is connected by receiving a response message from the counterpart terminal device 100, the terminal device 100 performs a voice call with the counterpart. To this end, the terminal device 100 outputs voice information input from a user, transmits a voice call message including the input voice information to the service device 200 in real time, and transmits the voice call message from the service device 200 to the counterpart terminal device ( Receives a voice call message transmitted in 100) in real time and outputs voice information through a speaker.

When performing such a voice call, in step 1105, the terminal device 100 checks whether a situation in which a call cannot be made occurs. As a result of the check, if a situation in which a call cannot be made does not occur, the terminal device 100 checks whether the call is terminated in step 1106. If the call is not terminated, the call is continued. If the call is terminated, the call is terminated and the call screen shows the end of the voice call. The message is transmitted to the counterpart terminal device 100 through the service device 200. In this case, the terminal device 100 may notify the talk time with the counterpart by displaying the generated instant message including the talk time information on the conversation screen.

On the other hand, when a situation in which a call cannot be made occurs, in step 1107, the terminal device 100 converts the voice information input since the time when the call is disconnected into text, and in step 1108, the terminal device 100 switches to the conversation mode. As shown in FIG. 10 attached thereto, a message (for example, “no answer”) indicating that the call cannot be made is displayed on the conversation screen. Then, in step 1109, the terminal device 100 generates an instant message including the converted text. Thereafter, in step 1110, the terminal device 100 transmits the generated instant message to the counterpart terminal device 100 through the service device 200, and includes an instant message including a converted test (for example, “10 am tomorrow”). Meet ”) on the conversation screen. At this time, if the call is terminated instead of being temporarily disconnected, the terminal device 100 displays an instant message indicating the end of the call, for example, "1 minute 10 seconds call" on the conversation screen.

Thereafter, the terminal device 100 may display the instant message received from the counterpart terminal device 100 in response to the instant message transmitted on the chat screen. In this case, the instant message displayed on the chat screen may be an instant message including general text input in the chat mode or an instant message converted from voice information. Here, the instant message converted from the voice information may display specified information, for example, a shape of a telephone receiver, to distinguish it from a general instant message.

Next, another example according to the first embodiment of the present invention will be described with reference to FIG. 5. In step 1201, after executing the messenger service, the terminal device 100 outputs an execution screen for the messenger service to a display unit. . In step 1202, the terminal device 100 checks whether there is a voice call request from the user. As a result of the check, when a selection signal for the “free call” menu input by the user is detected, the terminal device 100 switches to a call mode and outputs a call screen as shown in (b) of FIG. 9 in step 1203. Attempt to connect the call by transmitting a call request message to the selected counterpart terminal device 100.

Then, in step 1204, the terminal device 100 checks whether there is a response to the call request. As a result of the check, when the response message for the call is received from the counterpart terminal device 100, the terminal device 100 performs a voice call after connecting the call for the voice call in step 1205. Thereafter, in step 1206, the terminal device 100 checks whether the call is ended, and when the call ends, outputs an instant message notifying the end of the call on the messenger conversation screen, and sends an instant message to the other party. send. Otherwise, if the call is not terminated, the voice call message for the voice call can be continuously transmitted and received.

On the other hand, if there is no answer for the call, the terminal device 100 in step 1207 as shown in (a) of FIG. Enter! ”) On the call screen through a pop-up window.

Then, in step 1208, the terminal device 100 receives voice information to be transferred in the call screen, and in step 1209 converts the input voice information into text and then switches to the chat mode to output the chat screen. In this case, as illustrated in FIG. 11B, the terminal device 100 displays an instant message (for example, “no answer”) indicating that the call is unavailable on the transmission and conversation screen.

Accordingly, in step 1210, the terminal device 100 generates an instant message including the converted text, and then transmits the instant message generated in step 1211 to the counterpart terminal device 100 in real time. ), The generated instant message (eg, “Please call me”) is displayed on the conversation screen.

Next, another example according to the first embodiment of the present invention will be described with reference to FIG. 6. In step 1301, the terminal device 100 executes a messenger service and then performs a voice call.

In this case, as shown in FIG. 12A, when the user selects the text conversion menu displayed on the call screen during a voice call, the terminal device 100 detects a signal for the text conversion menu in step 1302. In operation 1303, the terminal device 100 outputs a guide message (for example, “Please input the voice to be delivered!”) For receiving the voice to be transmitted to the call screen.

Then, in step 1304, the terminal device 100 receives voice information from the user, and in step 1305, converts the input voice information into text, switches to the chat mode, and outputs a chat screen.

Accordingly, after generating the instant message including the converted text in step 1306, the terminal device 100 transmits the instant message generated in step 1307 to the counterpart terminal device 100 in real time, and is attached to FIG. As shown in), the generated instant message is displayed on the chat screen. For example, if a user needs to remember the conversation during a voice call, select the text conversion menu and enter the voice information input for a certain time period (for example, 30 seconds), such as appointment place and appointment time. Then, voice information about an appointment location (“Seoul Station Exit 3”, “address 000 000 3-gil 5”) and appointment time inputted for a predetermined time may be converted into text and displayed on the conversation screen. In this case, the user may input a voice to be converted into a test while pressing the text conversion menu, release the text conversion menu, and then perform a voice call again.

Thereafter, in step 1308, when the terminal device 100 detects a specific input signal or passes a predetermined time (for example, 30 seconds), the terminal device 100 releases the text menu selection and continues to perform a voice call. After that, when the voice call ends, the terminal device 100 displays an instant message (“5 minutes and 20 seconds call”) indicating the end of the call on the chat screen, as shown in FIG. 12B.

In the messenger service method for a voice call according to the first embodiment of the present invention, when the terminal device 100 receives an instant message including text converted from voice information input from the counterpart terminal device 100, The received instant message is output on the messenger conversation screen in real time. In this case, when the terminal device 100 receives such an instant message from the counterpart terminal device 100, the terminal device 100 converts voice information input by the user into text, and converts the instant message including the converted text into the counterpart terminal device 100. To send). Subsequently, when the call is resumed due to communication being smoothly received, when the voice call message is received from the counterpart terminal device 100, the terminal device 100 includes voice information input from the user in the voice call message and the counterpart terminal device 100. By sending a call, the voice call can be performed again.

Next, a messenger service method for a voice call in a service apparatus according to a second embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Referring to FIG. 7, when the terminal device 100 executes a messenger service and transmits a call request message to perform a voice call, the service device 200 confirms the counterpart identification information included in the received call request message. The call request message is transmitted to the confirmed counterpart terminal device 100. Accordingly, in operation 2101, the service device 200 receives a response message from the counterpart terminal device 100, transmits the response message to the requested terminal device 100, and transmits a voice call message between the terminal devices 100 according to the call call connection. Send and receive

In operation 2102, the service device 100 checks whether the terminal devices 100 cannot make a call when a voice call is performed between the terminal devices 100.

As a result of the check, in step 2103, the service device 100 continuously performs step 2101 when a situation in which a call cannot be made does not occur.

On the other hand, if the check result, the situation that can not be called, the service device 200, for example, in the case of confirming the time when the call is disconnected, in step 2104, checks the time when the call is disconnected between the terminal devices (100) . In this case, when it is determined that the call cannot be made based on the call quality of the terminal devices 100, the signal strength values are received from the terminal devices 100, respectively, and the call quality is determined based on the signal strength or the traffic volume. You can also check

In operation 2105, the service device 200 detects an undelivered voice call message or receives voice information from the terminal devices 100.

In operation 2106, the service device 200 converts the voice information or the received voice information included in the detected voice call message into text, and generates an instant message including the converted text in step 2107. Transmit to the terminal devices 100, respectively.

Lastly, a messenger service for converting voice information into text when performing a group voice call in the terminal device according to the third embodiment of the present invention will be described in detail with reference to the accompanying drawings. Here, for convenience of description, the terminal device 100 requesting the vacancy is called the first terminal device 100 and refers to the counterpart terminal devices 100 for performing a group voice call with the first terminal device 100a. The second and third terminal devices 100b and 100c will be referred to.

Referring to FIG. 8, in operation 3101, the first terminal device 100a executes a messenger service and then performs a group voice call with the counterpart terminal devices 100.

In operation 3102, the first terminal device 100a checks whether there is a request for vacancy from the user. In this case, the user may request the away by selecting the away menu displayed on the call screen as shown in FIG. 13A attached to the group voice call.

As a result of the check, when the away selection signal according to the away request is detected, in step 3103, the first terminal device 100a transmits a message indicating the away to the service device 200. In this case, the first terminal device 100a outputs an instant message informing that the user is away from the conversation screen.

Accordingly, the service device 200 converts the voice information included in the voice call message received from the second and third

terminal devices

100a and 100b having a group voice call into text, and converts the instant message including the converted text into text. The vacant space is transmitted to the first terminal device 100a. In this case, the service device 200 may store the received voice information and then convert the stored voice information into text or convert the voice information into text in real time.

Then, in operation 3104, the first terminal device 100a receives an instant message including text converted from voice information from the service device 200, and as shown in FIG. 13 (b) attached in operation 3105, The received instant message is output on the messenger conversation screen. For example, the first terminal device 100a may include texts such as “Let's meet at Seoul station,” “Let's meet at what time” and “Let's meet at three,” such as contents of a call between the second and third terminal devices 100b and 100c. It can be printed on the dialog screen.

In operation 3106, the first terminal device 100a checks whether there is room release according to a specific input signal. As a result of the check, if the vacancy is not released, step 3104 is continued.

On the other hand, when the away is released, the first terminal device (100a), as shown in (b) of Figure 13 attached, an instant message notifying the release of the away (for example, "Away away". ”) Is displayed on the conversation screen, and a group voice call is performed. Thereafter, in step 3107, the first terminal device 100a checks whether the group voice call is terminated. If the call is not terminated, the first terminal device 100a continuously performs the group voice call. On the other hand, when the call is terminated, an instant message including the talk time information is output.

In the above, the messenger service method for voice call according to the first to third embodiments of the present invention has been described. In the above process, the terminal device 100 or the service device 200 monitors whether or not a situation in which a voice call cannot be made during a voice call of a messenger service occurs, and thus a situation in which a voice call cannot be made is generated. In this case, after converting the voice information into text and controlling the instant message including the converted text to be sent and received, by monitoring whether or not a situation that can continue to make a voice call during this process, If it is determined that the situation has changed, the voice information may be controlled to be transmitted and received again through the voice call function.

In addition, the program instructions for recording the messenger service method for the voice call of the present invention may be those specially designed and configured for the present invention or may be known and available to those skilled in computer software. For example, the recording medium may be magnetic media such as hard disks, floppy disks and magnetic tapes, optical disks such as Compact Disk Read Only Memory (CD-ROM), digital video disks (DVD), Magnetic-Optical Media, such as floppy disks, and hardware devices specially configured to store and execute program instructions, such as ROM, random access memory (RAM), flash memory, and the like. do. Examples of program instructions may include high-level language code that can be executed by a computer using an interpreter as well as machine code such as produced by a compiler. Such hardware devices may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

Furthermore, a computer program (also known as a program, software, software application, script or code) mounted on an apparatus according to the invention and executing a method according to the invention comprises a compiled or interpreted language or a priori or procedural language. It can be written in any form of programming language, and can be deployed in any form, including stand-alone programs or modules, components, subroutines, or other units suitable for use in a computer environment. Computer programs do not necessarily correspond to files in the file system. A program may be in a single file provided to the requested program, in multiple interactive files (eg, a file that stores one or more modules, subprograms, or parts of code), or part of a file that holds other programs or data. (Eg, one or more scripts stored in a markup language document). The computer program may be deployed to run on a single computer or on multiple computers located at one site or distributed across multiple sites and interconnected by a communication network.

On the other hand, the embodiments of the present invention disclosed in the specification and drawings are merely presented specific examples for clarity and are not intended to limit the scope of the present invention. It is apparent to those skilled in the art that other modifications based on the technical idea of the present invention can be carried out in addition to the embodiments disclosed herein.

In addition, although the specification includes numerous specific implementation details, these should not be construed as limited to any invention or scope of the claims, but rather to features that may be specific to a particular embodiment of a particular invention. It should be understood as an explanation. Certain features that are described in this specification in the context of separate embodiments may be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments individually or in any suitable subcombination. Furthermore, while the features may operate in a particular combination and may be initially depicted as so claimed, one or more features from the claimed combination may in some cases be excluded from the combination, the claimed combination being a subcombination Or a combination of subcombinations.

Likewise, although the operations are depicted in the drawings in a specific order, it should not be understood that such operations must be performed in the specific order or sequential order shown in order to obtain desirable results or that all illustrated operations must be performed. Moreover, the separation of the various system components of the above-described embodiments should not be understood as requiring such separation in all embodiments, and the described program components and systems will generally be integrated together into a single software product or packaged into multiple software products. It should be understood that it can.

The present invention relates to a messenger service system and a messenger service method and apparatus for a voice call in the system. The present invention relates to a messenger service system. The voice information input from the user may be converted into text, and an instant message including the converted text may be transmitted to the other party through a messenger. For this reason, the present invention can clearly recognize the contents of the interrupted call even when the call is terminated due to the temporary disconnection of the call or the call is interrupted, and thus the smooth conversation can be performed.

In addition, the present invention can make a group voice call with two or more counterpart terminal devices when a voice call is made through a messenger, and when a group voice call is made, the contents of the call are provided as texts through a messenger through a away function. As a result, even if the call is not made, the contents of the call can be confirmed.

In addition, the present invention has industrial applicability because the present invention is not only sufficiently commercially available or commercially viable, but also practically clearly implemented.

Claims

A communication unit for communicating with a service device through a communication network for a messenger service;

An output unit for outputting information related to the messenger service; And

If it is determined that a situation in which a voice call cannot be made while a voice call is connected to a specific counterpart terminal device through a voice call function supported by the messenger service while the messenger service is executed, an input from a user is performed. Converts the voice information into text and transmits an instant message including the converted text to the counterpart terminal device through the messenger service, or converts the received voice information into text and receives the voice information from the counterpart terminal device. A controller configured to output an instant message including the text to the messenger service through the output unit;

Terminal device comprising a.
The method of claim 1, wherein the control unit,

If it is determined that the voice call cannot be made, the voice information input from the user is converted into text or the voice information received from the counterpart terminal device is converted into text for a predetermined range of time based on the determined time point. Terminal device characterized in that the conversion.
The method of claim 1, wherein the control unit,

When the voice call is connected, the call quality is checked based on the transmission strength of the wireless signal or the ambient noise information, and when the confirmed call quality is lower than a certain level, the voice call cannot be made. Terminal device characterized in that the determination.
The method of claim 1, wherein the control unit,

In the state that the voice call is connected, when the call output sound is detected and the call output sound is cut off below a preset level or more than a preset number of times, it is determined that the voice call cannot be made. Terminal device characterized in that.
The method of claim 1, wherein the control unit,

And when the voice information is not transmitted / received for a predetermined time or more while the voice call is connected, determining that the voice call cannot be made.
The method of claim 1, wherein the control unit

And when the voice information including the specified specific word is input or the selection input of the designated menu is generated while the voice call is connected, it is determined that the situation where the voice call cannot be made occurs.
The method of claim 1, wherein the control unit

And when the presence information of the user messenger service is changed to the idle state while the voice call is connected, determining that the voice call cannot be made.
The method of claim 1, wherein the control unit,

When the instant message including the text converted from the voice information is received from the counterpart terminal device, the voice information input from the user is converted into text until the voice call message is received, and the instant message including the converted text is converted into the counterpart terminal. Terminal device characterized in that the control to transmit to the device.
The method of claim 1, wherein the control unit,

If it is determined that a situation in which a voice call can be made before the voice call is connected after requesting the voice call to the counterpart terminal device occurs, the terminal device is characterized in that the voice information is controlled to be transmitted and received through the voice call function. .
The method of claim 1, wherein the control unit

And outputting designated information that can be distinguished from a general instant message when outputting the instant message including the converted text through the output unit.
A communication unit performing communication for a messenger service by interworking with two or more terminal devices through a communication network; And

A situation in which a voice call cannot be made in any one terminal device is provided when a messenger service is supported between the terminal devices and a voice call is connected between the terminal devices through a voice call function supported by the messenger service. If it is determined, the voice information received from the terminal device or the voice information received from another terminal device is converted into text, and the instant message including the converted text is transmitted to another terminal device or controlled to be transmitted to the terminal device. Messenger service provider;

Service device comprising a.
The method of claim 11, wherein the messenger service providing unit,

If it is determined that a situation in which a voice call can be made has occurred in the terminal device in which a situation in which the voice call cannot be made occurs, the voice information received from the terminal device or voice information received from another terminal device is determined. The service device characterized in that the control to be transmitted to the device or transmitted to the terminal device.
When a messenger service provided by a service device is executed and it is determined that a voice call cannot be made while a voice call is connected to a specific counterpart terminal device through a voice call function supported by the messenger service, The voice message received by transmitting the instant message including the text converted from the voice information input from the user to the service device to be delivered to the counterpart terminal device, or when the voice information is received from the counterpart terminal device through the service device. A terminal device for outputting an instant message including the converted text through the messenger service; And

When the instant message including the text converted from the voice information is received from the terminal device, the messenger service is transmitted to the counterpart terminal device, and the voice information transmitted from the counterpart terminal device is transmitted to the terminal device. The service device;

Messenger service system comprising a.
Connecting a voice call with a specific counterpart terminal device through a voice call function supported by the messenger service while a messenger service is executed;

When a voice call is connected to the counterpart terminal device, transmitting and receiving a voice call message including voice information with the counterpart terminal device and determining whether a situation in which a voice call cannot be made occurs; And

Converting voice information input from a user into text and transmitting an instant message including the converted text to the counterpart terminal device through the messenger service when a situation in which the voice call cannot be made occurs;

Messenger service method for a voice call in the terminal device comprising a.
The method of claim 14,

Outputting an instant message including the converted text from the user through the messenger service;

Messenger service method for a voice call in the terminal device characterized in that it further comprises.
The method of claim 14,

Converting the received voice information into text and outputting an instant message including the converted text through the messenger service when voice information is received from the counterpart terminal device;

Messenger service method for a voice call in the terminal device characterized in that it further comprises.
The method of claim 14,

Outputting a guide message for inputting voice information through the messenger service when the voice call is not connected to the counterpart terminal device;

Converting the input voice information into text when the voice information is input according to a guide from the user; And

Transmitting the instant message including the converted text to the counterpart terminal device;

Messenger service method for a voice call in the terminal device characterized in that it further comprises.
The method of claim 14,

After transmitting to the counterpart terminal device,

If it is determined that a situation in which the voice call can be made occurs, controlling voice information to be transmitted and received through the voice call function;

Messenger service method for a voice call in the terminal device characterized in that it further comprises.
Performing a voice call connection through a messenger service between two or more terminal devices;

Determining whether a situation occurs in which one of the terminal devices cannot make a voice call while the voice call is connected between the terminal devices; And

If it is determined that a situation in which one of the terminal devices is unable to make a voice call occurs, the terminal device converts the voice information transmitted from the terminal device into text and sends an instant message including the converted text to another terminal device through the messenger service. Transmitting to;

Messenger service method for a voice call in the service device comprising a.
The method of claim 19,

If it is determined that a situation in which one of the terminal devices cannot make a voice call occurs, converting the voice information transmitted from the other terminal device into text and transmitting an instant message including the converted text to the terminal device; ;

Messenger service method for a voice call in the service device further comprising.
The method of claim 19,

After the step of transmitting to the other terminal device,

If it is determined that a situation in which the terminal device can make a voice call occurs, an instant message including voice information transmitted from the terminal device is transmitted to the other terminal device or an instant including voice information transmitted from the other terminal device. Transmitting a message to the terminal device;

Messenger service method for a voice call in the service device further comprising.
A computer-readable recording medium having recorded thereon a program for executing a messenger service method for a voice call according to any one of claims 14 to 21.