WO2014021546A1 - Procédé de chat vidéo, dispositif terminal et système de chat vidéo - Google Patents

Procédé de chat vidéo, dispositif terminal et système de chat vidéo Download PDF

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Publication number
WO2014021546A1
WO2014021546A1 PCT/KR2013/004587 KR2013004587W WO2014021546A1 WO 2014021546 A1 WO2014021546 A1 WO 2014021546A1 KR 2013004587 W KR2013004587 W KR 2013004587W WO 2014021546 A1 WO2014021546 A1 WO 2014021546A1
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WO
WIPO (PCT)
Prior art keywords
video chat
terminal
sms
video
called terminal
Prior art date
Application number
PCT/KR2013/004587
Other languages
English (en)
Korean (ko)
Inventor
박준용
김재우
Original Assignee
넥스트리밍(주)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020120103601A external-priority patent/KR20140018068A/ko
Application filed by 넥스트리밍(주) filed Critical 넥스트리밍(주)
Publication of WO2014021546A1 publication Critical patent/WO2014021546A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H04L65/401—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference
    • H04L65/4015—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference where at least one of the additional parallel sessions is real time or time sensitive, e.g. white board sharing, collaboration or spawning of a subconference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H04L65/402—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel non-real time sessions, e.g. downloading a file in a parallel FTP session, initiating an email or combinational services
    • H04L65/4025—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel non-real time sessions, e.g. downloading a file in a parallel FTP session, initiating an email or combinational services where none of the additional parallel sessions is real time or time sensitive, e.g. downloading a file in a parallel FTP session, initiating an email or combinational services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
    • H04M1/72439—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for image or video messaging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/253—Telephone sets using digital voice transmission
    • H04M1/2535—Telephone sets using digital voice transmission adapted for voice communication over an Internet Protocol [IP] network

Definitions

  • the present invention relates to a video chat method, a terminal device and a video chat system.
  • the portable terminal selects a voice signal, a text signal, and a video signal to communicate with a wirelessly connected party in two directions. There are two methods of real time connection and a non-real time communication method. .
  • Such a message type includes a voice message (VMS), a text message (SMS) and a video message (MMS), and temporarily stores message data to be transmitted to a message center or a message server and transmits the message data to a counterpart through a set communication path.
  • VMS voice message
  • SMS text message
  • MMS video message
  • a method of transmitting a message during a video call to a portable terminal i.e., real time communication without using a server
  • a method of image-processing text of a text message and adding it to a video signal is known.
  • SMS short message service
  • the present invention is to provide a video chat method, a terminal device and a video chat system through the SMS (SMS) function.
  • SMS SMS
  • a video chat method includes: transmitting and receiving a video stream by a calling terminal through a first communication channel; Transmitting / receiving text data by the calling terminal to and from the called terminal through a second communication channel different from the first communication channel; And outputting, by the calling terminal, a video chat screen including the video stream and the text data.
  • the first communication channel includes a communication channel for implementing a communication service according to a packet switched method based on an IP (Internet Protocol),
  • IP Internet Protocol
  • the second communication channel may include a communication channel in which a communication service according to a circuit switched method is implemented.
  • the second communication channel may include a short message service (SMS) channel.
  • SMS short message service
  • the calling terminal further comprises the step of establishing a video chat session by exchanging SMS messages requesting and accepting video chat with the called terminal,
  • the video chat screen may be configured based on the data stream and the text data transmitted / received with a called terminal having the video chat session established.
  • It may include a method parameter set to an byte, a calling number parameter containing the telephone number of the calling terminal and a called number parameter containing the telephone number of the called terminal.
  • the calling terminal detects a user input signal for selecting any one of a video chat menu provided on an SMS application screen, a video chat menu provided on a phone book, and a video chat menu provided on an SMS message screen, And transmitting the INVITE SMS message.
  • the called terminal may receive a response message packet including an IP address of the calling terminal by transmitting a session join message packet to the video chat server.
  • IP information of the called terminal When the IP information of the called terminal is a public IP type, transmitting and receiving a data stream directly with the called terminal; And when the IP information of the called terminal is a private IP type, transmitting and receiving a data stream relayed by the video chat server with the called terminal.
  • the originating terminal may include transmitting and receiving the direct data stream with the called terminal using a hyper text transfer protocol (HTTP).
  • HTTP hyper text transfer protocol
  • the originating terminal may include transmitting and receiving the relaying data stream with the called terminal using a network address translation protocol.
  • the method may further include transmitting, by the calling terminal, voice data to and from the called terminal through a first communication channel, and outputting the voice data through a speaker.
  • a terminal apparatus includes a video stream transmitting and receiving with a counterpart terminal through a first communication channel and text data transmitting and receiving with the counterpart terminal through a second communication channel different from the first communication channel.
  • a video chat controller configured to configure the video chat screen; And a display unit for outputting the video chat screen.
  • SMS Short Message Service
  • the first communication channel is a communication channel for implementing a communication service according to the packet switched (Packet Switched) method based on the Internet Protocol (IP), the second communication channel is an SM channel,
  • Packet Switched Packet Switched method based on the Internet Protocol (IP)
  • IP Internet Protocol
  • the video chat control unit controls the video chat control unit
  • the SMS application In response to a user's input signal, the SMS application is executed to exchange SMS messages for requesting and accepting a video chat with the counterpart terminal, and IP information of the counterpart terminal to be used in the first communication channel. Can be obtained from the video chat server to establish a video chat session.
  • It may include a default application that is installed at the time of manufacture.
  • It may include a smartphone application that can be downloaded and installed from a server connected to the network.
  • a video chat session is established between a calling terminal and a called terminal through a data channel, and text data is transmitted and received through an SMS (Short Message Service) channel.
  • a video chat server to relay the video chat server; And an SMS server for transmitting an SMS message including text data transmitted and received between the calling terminal and the called terminal.
  • a session received from the originating terminal by receiving a TRYING message packet notifying that the originating terminal transmits an INVITE SMS message requesting a video chat to the called terminal;
  • a response message packet including IP information of the calling terminal to be used in the data channel is transmitted, and a response to the session join message packet transmitted by the calling terminal.
  • an OK message packet including IP information of the called terminal to be used in the data channel may be transmitted.
  • the data stream may be relayed between the calling terminal and the called terminal using a network address translation technique.
  • an OK message packet After receiving the TRYING message packet from the originating terminal, if a CANCEL message packet according to the rejection of the video chat session of the called terminal is received, an OK message packet may be transmitted.
  • the INVITE SMS message, the accept SMS message accepting the video chat transmitted by the called terminal, and the cancel SMS message rejecting the video chat may be delivered.
  • the user by switching the transmission and reception of the SMS (SMS) to the video mode, by displaying the content of the text message overlaid on the video image when the SMS message is received after the conversion, the user You can video chat while viewing the contents of the text message. Therefore, video chatting can be performed in a simple manner without using a video call function using expensive communication resources.
  • SMS SMS
  • FIG. 1 is a block diagram of a video chat system according to an embodiment of the present invention.
  • FIG. 2 is a block diagram showing the configuration of a terminal apparatus according to an embodiment of the present invention.
  • FIG. 3 is a flowchart illustrating an operation of the terminal device of FIG. 2.
  • FIG. 4 is an exemplary view of a video chat selection screen according to an embodiment of the present invention.
  • FIG 5 is an exemplary view of a video chat selection screen according to another embodiment of the present invention.
  • FIG. 6 is an exemplary view of a video chat selection screen according to another embodiment of the present invention.
  • FIG. 7 is an exemplary view of a video chat screen according to an embodiment of the present invention.
  • FIG 8 is an exemplary view of a video chat screen according to another embodiment of the present invention.
  • FIG. 9 is a flowchart illustrating a video chat method according to an embodiment of the present invention.
  • FIG. 10 is a diagram illustrating a screen of a called terminal according to an embodiment of the present invention.
  • FIG. 11 is a flowchart illustrating a video stream transmission process according to an embodiment of the present invention.
  • FIG. 12 is a flowchart illustrating a video stream transmission process according to another embodiment of the present invention.
  • ... unit described in the specification means a unit for processing at least one function or operation, which may be implemented in hardware or software or a combination of hardware and software.
  • FIG. 1 is a configuration diagram of a video chat system according to an embodiment of the present invention
  • Figure 2 is a block diagram showing the configuration of a terminal device according to an embodiment of the present invention
  • Figure 3 shows the operation of the terminal device of
  • FIG. 4 is a diagram illustrating a video chat selection screen according to an embodiment of the present invention
  • FIG. 5 is a diagram illustrating a video chat selection screen according to another embodiment of the present invention
  • FIG. 6 is another diagram of the present invention.
  • FIG. 7 is a diagram illustrating a video chat selection screen according to an embodiment
  • FIG. 7 is a diagram illustrating a video chat screen according to an embodiment of the present invention
  • FIG. 8 is a diagram illustrating a video chat screen according to another embodiment of the present invention.
  • a video chat system includes a calling terminal 100, a called terminal 200, a video chat server 300, an SMS (Short Message Service) server 400 and a network 500. Include.
  • the calling terminal 100 and the called terminal 200 are terminals equipped with an SMS application supporting video chat, and capable of data communication.
  • the calling terminal 100 and the called terminal 200 may include, for example, a mobile phone, a smartphone, a tablet PC.
  • the calling terminal 100 and the called terminal 200 have different communication channels, that is, a first communication channel and a second communication channel, connected to the network 500.
  • the first communication channel includes a data channel for implementing a communication service according to a packet switched method based on an Internet Protocol (IP).
  • IP Internet Protocol
  • the second communication channel is a communication channel in which a communication service according to a circuit switched method is implemented, and includes an SMS channel.
  • the SMS channel refers to a communication channel in which a message service of a mobile communication service provider provided through the SMS gateway 400 is implemented.
  • the first communication channel will be collectively referred to as a data channel
  • the second communication channel will be collectively referred to as an SMS channel.
  • the calling terminal 100 and the called terminal 200 implement a video chat based on the video stream transmitted and received through the data channel and the text data transmitted and received through the SMS channel.
  • the data channel may transmit and receive voice data, and the voice data may be provided together during the video chat.
  • the calling terminal 100 includes a display unit 101, a communication unit 103, a memory 105, and a processor 107. Each component will be described below.
  • the display unit 101 is provided outside the calling terminal 100, is connected to the processor 107, and outputs information according to the operation of the processor 107 on the screen.
  • LCD liquid crystal display
  • the communicator 103 is connected to the processor 107 to transfer the video stream and the text data received through the data channel and the SMS channel to the processor 107, and the video stream and the text output from the processor 107.
  • the data is transmitted to the network 500 through the data channel and the SMS channel.
  • the communication unit 103 may include a baseband circuit for processing a radio signal.
  • the memory 105 is connected to the processor 107 and stores various information for driving the processor 107, an SMS application, a phone book application, and the like.
  • the memory 105 may be embodied in a medium such as RAM, such as dynamic random access memory, Rambus Dynamic Random Access Memory (DRAM), synchronous DRAM, and static RAM.
  • the memory 105 may be inside or outside the processor 107 and may be connected to the processor 107 through various well-known means.
  • the processor 107 may be implemented as a Central Processing Unit (CPU) or other chipset, microprocessor, or the like, and the layers of the air interface protocol may be implemented by the processor 107.
  • the processor 107 includes a video chat control unit 109.
  • the video chat control unit 109 executes an SMS application stored in the memory 105 to display a video chat screen including a video stream transmitted and received through a data channel and text data transmitted and received through an SMS channel. A configuration is output to the display unit 101.
  • the video chat controller 109 may output voice data transmitted and received through a data channel together with a video chat screen through a speaker (not shown).
  • the SMS application includes a default application that is pre-loaded at the time of manufacture of the terminal, that is, provided by the mobile communication service provider.
  • it includes an application of the form that can be downloaded and mounted via the network 500, for example, a smartphone application.
  • the video chat control unit 109 executes an SMS application (S101).
  • S101 When the user selects a video chat (S103), an INVITE SMS message for initiating a video chat session with the called terminal 200 is transmitted (S105).
  • the video chat control unit 109 may initiate a video chat session according to the following three embodiments.
  • the display unit 101 outputs a video chat icon 601 on the SMS application screen 600. If the user selects the video chat icon 601 through an input unit (not shown), the video chat control unit 109 performs step S105. In this case, after inputting the telephone number of the called terminal 200 in the "To" column, the video chat icon 601 may be selected.
  • the display unit 101 outputs a video chat icon 701 on the phonebook application screen 700. If the user selects the video chat icon 701 through an input unit (not shown), the video chat control unit 109 performs step S105.
  • the called terminal 200 may be a user displayed on the phone book application screen 700.
  • the display unit 101 outputs a video chat icon 801 on the SMS message receiving screen 800.
  • the video chat controller 109 performs step S105. That is, the user may select the video chat icon 801 while switching the SMS message with the destination terminal 200 to switch to the video chat mode.
  • the video chat icon may be displayed on the terminal standby screen.
  • the operation of initiating the video chat session by the video chat controller 109 described above is not limited to the above embodiments, and various embodiments are possible.
  • the video chat control unit 109 determines whether an accept SMS message is received from the destination terminal 200 to accept the video chat. It is determined whether a cancel (CANCEL) SMS message is received (S107).
  • the video chat control unit 109 starts a video chat session with the called terminal 100 (S109).
  • the video chat controller 109 receives a video stream through a data channel (S111) and receives text data through an SMS channel (S113).
  • the video stream and text data received in steps S111 and S113 are simultaneously configured as a video chat screen and output to the display unit 101 (S115).
  • the video chat controller 109 may display the video stream and the text data on a part of the video chat screen as shown in FIG. 7. That is, the video chat screen 900 may be divided into a portion 901 for outputting a video stream and a portion 903 for outputting text data.
  • the video chat controller 109 may display the video stream and the text data to overlap each other as shown in FIG. 8. That is, the text chat screen 1000 may output text data on the region 1001 where the video stream is displayed.
  • step S107 if it is determined in step S107 that a cancellation (CANCEL) SMS message is received, the video chat control unit 109 cancels the video chat session with the destination terminal (200) (S117).
  • CANCEL cancellation
  • the calling terminal 100 is connected to the video chat server 300 and the SMS gateway 400 through the network 500 to implement video chat.
  • the video chat server 300 relays the establishment of a video chat session in which a video stream is transmitted and received through a data channel and text data is transmitted and received through an SMS channel.
  • the SMS server 400 is a device for processing a message service of a mobile communication service provider and may include a Short Message Service Center (SMSC) and a Short Messge Service Gateway (SMSGW).
  • the SMS server 400 performs an SMS storage and management function, an SMS transmission function, and the like. For example, when the terminating terminal 200 cannot receive an SMS, the terminating terminal 200 stores the SMS until the terminating terminal 200 can receive the SMS. Will pass. In addition, if SMS transmission fails, retransmission may be attempted a predetermined number of times at regular time intervals.
  • the SMS server 400 sends and receives an INVITE SMS message and a response SMS to the originating terminal 100 and the called terminal 200 to establish a video chat session. Deliver message and cancellation CANCEL SMS message.
  • the SMS 100 transmits an SMS message including text data for implementing a video chat between the calling terminal 100 and the called terminal 200.
  • the network 500 enables the originating terminal 100 to access the video chat server 300 and the SMS server 400.
  • the network 200 may include a base station, a base station controller, a mobile switching center, a device for packet data service (PDSN, SGSN), and the like.
  • PDSN packet data service
  • the network 500 may include a Wi-Fi network, a Global System for Mobile communications (GSM) network, a general packet radio service (GPRS) network, an enhanced data GSM environment (EDGE) network, and an EVDO network.
  • GSM Global System for Mobile communications
  • GPRS general packet radio service
  • EDGE enhanced data GSM environment
  • EVDO EVDO network
  • Evolution Data Optimized CDMA2000 3G network
  • 4G network LTE may include a long term evolution (LTE) network.
  • FIG. 9 is a flowchart illustrating a video chat method according to an embodiment of the present invention
  • FIG. 10 is a diagram illustrating a screen of a called terminal according to an embodiment of the present invention.
  • SMS message means a message transmitted in an SMS form
  • messages is defined as a message transmitted in a packet form
  • step S201 the message is transmitted.
  • the INVITE SMS message includes a method parameter set to INVITE, a calling number parameter including a phone number of the calling terminal 100, and a called number including a phone number of the called terminal 200. Contains a number parameter.
  • the SMS server 400 transmits the INVITE SMS message to the called terminal 200 (S103).
  • the video chat control unit 109 of the calling terminal 100 transmits a TRYING message to the video chat server 300 after performing step S201 (S105).
  • the TRYING message serves to notify that the calling terminal 100 transmits an INVITE SMS message to the called terminal 200, that is, requests a video chat session.
  • the TRYING message includes a method parameter set to 'TRYING', a calling number parameter containing a telephone number of the calling terminal 100 and a called number parameter containing a telephone number of the called terminal 200.
  • the video chat server 300 records a video chat session log (S207).
  • the video chat session log may include a phone number of the calling terminal 100, which is a video chat session requester, and a phone number of a called terminal 200, which is a video chat session counterpart.
  • the destination terminal 200 determines whether the user accepts or rejects the video chat request (S209).
  • the called terminal 200 may output a video chat request screen (or message) 900 as shown in FIG. 10, and determine whether the user selects the accept icon 901 or the reject icon 903. .
  • the destination terminal 200 transmits an accept SMS message to accept the video chat (S211).
  • the SMS server 400 transmits the acceptance SMS message received in step S211 to the calling terminal 100 (S213).
  • the accept SMS message includes a method parameter set to 'OK', a calling number parameter containing a telephone number of the called terminal 200, and a called number parameter containing a telephone number of the calling terminal 200.
  • the called terminal 200 After receiving the OK SMS message in step S211, the called terminal 200 transmits a session join (JOIN) message to the video chat server 300 (S215).
  • JOIN session join
  • the session participation (JOIN) message includes a method parameter set to 'JOIN', a caller number parameter in which the phone number of the called terminal 200 is recorded, and a 'PEER' parameter in which the phone number of the caller terminal 200 is recorded.
  • the video chat server 300 checks the video chat session log history (S217). If there is a session log for the called terminal 20, a response (OK) message including the IP address of the calling terminal 100 to be used in the data channel is transmitted to the called terminal 200 (S219).
  • the response (OK) message includes a method parameter set to 'OK', a 'PEER' parameter containing the telephone number of the calling terminal 100 and an IP parameter containing the IP address of the calling terminal 200.
  • step S213 the calling terminal 100 transmits a session join (JOIN) message to the video chat server 300 (S221).
  • JOIN session join
  • the session participation (JOIN) message includes a method parameter set to 'JOIN', a calling number parameter in which the telephone number of the calling terminal 100 is recorded, and a 'PEER' parameter containing a telephone number of the called terminal 200.
  • the video chat server 300 transmits a response (OK) message including the IP address of the called terminal 200 to the calling terminal 100 (S223).
  • the response (OK) message includes a method parameter set to 'OK', a 'PEER' parameter containing the telephone number of the called terminal 100 and an IP parameter containing an IP address of the called terminal 200.
  • the video chat server 300 knows the IP addresses of the calling terminal 100 and the called terminal 200 in advance.
  • the calling terminal 100 and the called terminal 200 transmit and receive a video stream through a data channel (S227).
  • voice data may be additionally transmitted and received.
  • text data is transmitted and received through an SMS channel.
  • step S209 when the user selects rejection in step S209, the destination terminal 200 transmits a cancellation SMS message (CANCEL SMS) message to reject the video chat (S231). Then, the SMS server 400 transmits a cancellation SMS message to the calling terminal 100 (S233).
  • CANCEL SMS cancellation SMS message
  • the cancellation SMS message includes a method parameter set to 'CANCEL', a calling number parameter including a phone number of the called terminal 200 and a called number parameter containing a phone number of the calling terminal 100.
  • the video chat control unit 109 of the calling terminal 100 transmits a CANCEL message to the video chat server 300 to cancel the video chat session (S235).
  • the CANCEL message includes a method parameter set to 'CANCEL', a calling number parameter including a phone number of the calling terminal 100 and a called number parameter containing a phone number of the called terminal 200.
  • the video chat server 300 deletes the video chat session log recorded in step S207 (S237). And a response (OK) message is sent to the calling terminal 100 (S239).
  • the video chat session is canceled between the calling terminal 100 and the called terminal 20 (S241).
  • steps S227 and S229 described above are implemented in the following embodiments depending on whether the IP addresses of the calling terminal 100 and the called terminal 200 are a public IP type or a private IP type. Can be.
  • FIG. 11 is a flowchart illustrating a video stream transmission process according to an embodiment of the present invention.
  • the video chat control unit (109 of FIG. 2) of the calling terminal 100 establishes a video chat session with the called terminal 200 (S301), and then establishes a data channel using mutual IP addresses.
  • the video stream is directly transmitted / received (S303).
  • the direct transmission and reception means transmission through only the network 500 without going through a separate server.
  • the calling terminal 100 and the called terminal 200 may transmit and receive a video stream using a Hyper Text Transfer Protocol (HTTP).
  • HTTP Hyper Text Transfer Protocol
  • the text data is transmitted and received through the SMS channel (S305).
  • FIG. 12 is a flowchart illustrating a video stream transmission process according to another embodiment of the present invention.
  • the video chat control unit (109 of FIG. 2) of the calling terminal 100 establishes a video chat session with the called terminal 200 (S401), and then establishes a data channel using each other's private IP addresses.
  • the video stream is transmitted and received via the video chat server 300 (S403 and S405). That is, the video stream transmitted from the calling terminal 100 and the called terminal 200 is relayed to the counterpart terminal after network address translation is performed in the video chat server 300.
  • the originating terminal 100 and the called terminal 200 is a network including a STUN (Session Traversal Utilities for NAT) protocol, a turn (TRA), Traversal Using Relay NAT (TURN) protocol, ICE (Interactive Communication Environment) protocol You can use the address translation protocol.
  • STUN Session Traversal Utilities for NAT
  • TRA Traversal Using Relay NAT
  • ICE Interactive Communication Environment
  • the text data is transmitted and received through an SMS channel (S407).

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé de chat vidéo, un dispositif terminal et un système de chat vidéo. Le procédé de chat vidéo comprend les étapes consistant à : activer un terminal d'origine pour émettre et recevoir un flux vidéo vers et depuis un terminal de réception via un premier canal de communication ; activer le terminal d'origine pour émettre et recevoir des données de texte vers et depuis le terminal de réception via un second canal de communication ; et activer le terminal d'origine pour émettre un écran de chat vidéo comprenant le flux vidéo et les données de texte.
PCT/KR2013/004587 2012-07-31 2013-05-27 Procédé de chat vidéo, dispositif terminal et système de chat vidéo WO2014021546A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2012-0084198 2012-07-31
KR20120084198 2012-07-31
KR10-2012-0103601 2012-09-18
KR1020120103601A KR20140018068A (ko) 2012-07-31 2012-09-18 비디오 채팅 방법, 단말장치 및 비디오 채팅 시스템

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
WO2015186973A1 (fr) * 2014-06-03 2015-12-10 Samsung Electronics Co., Ltd. Procédé et système pour répondre à un appel au moyen d'un texto en temps réel
US9344675B1 (en) 2014-08-11 2016-05-17 Google Inc. Dynamic notification techniques for video chat invitations
US11811841B2 (en) 2017-05-26 2023-11-07 Streamsure Solutions Limited Controlling a display to provide a user interface

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