WO2017173903A1 - Procédé de mise en oeuvre d'appel vidéo, terminal et support de stockage informatique - Google Patents

Procédé de mise en oeuvre d'appel vidéo, terminal et support de stockage informatique Download PDF

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Publication number
WO2017173903A1
WO2017173903A1 PCT/CN2017/075503 CN2017075503W WO2017173903A1 WO 2017173903 A1 WO2017173903 A1 WO 2017173903A1 CN 2017075503 W CN2017075503 W CN 2017075503W WO 2017173903 A1 WO2017173903 A1 WO 2017173903A1
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WIPO (PCT)
Prior art keywords
video call
service
way video
network quality
network
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PCT/CN2017/075503
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English (en)
Chinese (zh)
Inventor
乔玮
Original Assignee
中国移动通信有限公司研究院
中国移动通信集团公司
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Publication of WO2017173903A1 publication Critical patent/WO2017173903A1/fr

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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems

Definitions

  • the present invention relates to the field of video calls, and in particular, to a video call implementation method, a terminal, and a computer storage medium.
  • VoWiFi Voice over WiFi
  • IP Internet Protocol
  • VoIP Internet Protocol
  • VoIP Internet Protocol
  • the video over WiFi (ViWiFi) technology is a video media transmission solution developed on the basis of VoWiFi.
  • an embodiment of the present invention provides a video call implementation method, a terminal, and a computer storage medium.
  • the embodiment of the invention provides a video call implementation method, including:
  • a one-way video call service or a two-way video call service is initiated by using the determined video call mode.
  • the determining a video call mode according to the determination result includes:
  • the initiating a one-way video call service includes:
  • the first identifier indicates that the initiated service is a one-way video call service
  • the first service request message is issued.
  • the initiating the one-way video call service further includes:
  • the method further includes:
  • the video call mode is a two-way video call when the judgment result indicates that the second network quality does not satisfy the first preset condition
  • the initiating two-way video call service includes:
  • the second identifier indicates that the initiated service is a two-way video call service
  • the second service request message is issued.
  • the method further includes:
  • the video call flow corresponding to the video call service before the first moment is removed; the first moment is a one-way video call service or two-way video corresponding to the determined video call mode. The beginning of the call business.
  • the embodiment of the invention further provides a terminal, including:
  • a monitoring unit configured to monitor network quality of a network environment in which the terminal is located
  • An acquiring unit configured to obtain a first network quality of a network environment where the terminal is located
  • the determining unit is configured to determine whether the first network quality meets the first preset condition, where the first preset condition indicates that the first network quality cannot bear the two-way video call service;
  • Determining a unit configured to determine a video call mode according to the judgment result
  • the service initiating unit is configured to initiate a one-way video call service or a two-way video call service by using the determined video call mode.
  • the determining unit is configured to: when the determining result indicates that the first network quality meets the first preset condition, determine that the video call mode is a one-way video call;
  • the service initiating unit initiates a one-way video call service.
  • the service initiation unit is configured to:
  • the service initiated by the levy is a one-way video call service; and the first service request message is sent.
  • the acquiring unit is configured to obtain a second network quality of a network environment where the terminal is located after performing a one-way video call service;
  • the determining unit is configured to determine whether the second network quality meets the first preset condition
  • the determining unit is configured to: when the determination result indicates that the second network quality does not satisfy the first preset condition, determine that the video call mode is a two-way video call;
  • the service initiating unit is configured to initiate a two-way video call service.
  • the terminal further includes:
  • the embodiment of the present invention further provides a computer storage medium, the computer storage medium comprising a set of instructions, when executed, causing at least one processor to execute the video call implementation method described above.
  • the video call implementation method, the terminal, and the computer storage medium provided by the embodiment of the present invention monitor the network quality of the network environment where the terminal is located; obtain the first network quality of the network environment where the terminal is located; and determine whether the first network quality is Satisfying the first preset condition; wherein the first preset condition indicates that the first network quality cannot bear the two-way video call service; determining a video call mode according to the determination result; and using the determined video call mode to initiate a one-way video
  • the call service or the two-way video call service controls the video call mode as a one-way video call or a two-way video call according to the network quality of the network environment in which the terminal is located, so that the continuity of the video call can be guaranteed.
  • FIG. 1 is a schematic flowchart of a method for implementing a video call according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for implementing a video call according to Embodiment 2 of the present invention
  • FIG. 3 is a schematic structural diagram of a terminal according to Embodiment 3 of the present invention.
  • FIG. 4 is a schematic structural diagram of another terminal according to Embodiment 3 of the present invention.
  • ViWiFi technology is a video media transmission technology developed on the basis of VoWiFi, so it is a connectionless application, and its data transmission, like VoWiFi, follows a "best effort".
  • the principle of best effort (the network does its best to send messages, and does not provide any guarantee for performance such as delay and reliability). Therefore, after the IP video packet is sent from the remote end, the path it passes is not certain, the delay cannot be guaranteed, and the packet loss is unpredictable.
  • network delay and jitter are subject to changes in network conditions, so they are unpredictable and uncertain. This problem has long plagued users and developers.
  • the access mode of the ViWiFi voice call is Internet access. Due to the openness and uncontrollability of the Internet network, the circuit domain fallback based on the long-term evolution of voice (VoLTE, Voice over LTE) (CSFB, Circuit Switched Fallback) ), Single Radio Voice Call Continuity (SRVCC), Enhanced Single Radio Voice Call Continuity (eSRVCC), Enhanced Single Radio Voice Call Continuity, etc.
  • VoIP Voice over LTE
  • CSFB Circuit Switched Fallback
  • SRVCC Single Radio Voice Call Continuity
  • eSRVCC Enhanced Single Radio Voice Call Continuity
  • eSRVCC Enhanced Single Radio Voice Call Continuity
  • Enhanced Single Radio Voice Call Continuity etc.
  • the above-mentioned programs such as codec optimization and protocol optimization (such as Skype, Facetime, QQ, WeChat, etc. with video call) need to set up a gateway when interworking with other products or operators' large network services.
  • the network quality of the network environment in which the terminal is located is monitored; the first network quality of the network environment where the terminal is located is obtained; and whether the first network quality meets the first pre-determination is determined.
  • the method for implementing the video call in this embodiment is applied to the terminal, and includes the following steps:
  • Step 101 Monitor network quality of a network environment where the terminal is located
  • Step 102 Acquire a first network quality of a network environment where the terminal is located;
  • Step 103 Determine whether the first network quality meets a first preset condition, where the first preset condition indicates that the first network quality cannot bear a two-way video call service;
  • the network quality can be reflected by the Mean Opinion Score (MOS, Mean Opinion Score).
  • MOS Mean Opinion Score
  • the corresponding first threshold is set to reflect whether the acquired network quality can carry the two-way video call service.
  • the network quality at this time is poor, and the two-way video call service cannot be carried.
  • the acquired MOS is greater than or equal to the first threshold, the description is performed.
  • the network quality is good and can carry two-way video call services.
  • the network quality can also be reflected by the network signal strength (dB).
  • the network signal strength is usually a negative value. The closer to zero, the worse the network quality is. On the contrary, the farther away from zero, the better the network quality. At this time, it is still necessary to set a corresponding second threshold to reflect whether the acquired network quality can carry the two-way video call service.
  • the acquired network signal strength is less than or equal to the second threshold, it indicates that the network quality is good at this time, and can carry the two-way video call service; when the acquired network signal strength is greater than the second threshold, the network quality at this time is indicated. Poor, can not carry two-way video call service.
  • the network quality can also be reflected by the network delay.
  • a third threshold is set to reflect whether the acquired network quality can carry the two-way video call service.
  • the network quality at this time is poor, and the two-way video call service cannot be carried.
  • the network quality at this time is indicated.
  • it can carry two-way video call service.
  • the network delay can be determined by obtaining a pin packet.
  • Step 104 Determine a video call mode according to the judgment result.
  • Step 105 Initiate a one-way video call service or a two-way video call service by using the determined video call mode.
  • the one-way video call service is initiated;
  • a two-way video call service is initiated.
  • the one-way video call means that only one party of the calling party and the called party can see the transmitted video.
  • the two-way video call means that both the calling party and the called party can see the video.
  • the initiating one-way video call service includes:
  • the first identifier indicates that the initiated service is a one-way video call service
  • the first service request message is issued.
  • the calling number and the called media address are also added to the first service request message, so that the network side knows the calling party and the corresponding called party, thereby performing negotiation of the one-way video calling service media.
  • the first service request message may be an INVITE message
  • the calling number and the called media address are added in the INVITE message to form a complete INVITE message.
  • the sending the first service request message means: the terminal sends the number to the network side (Application Server (AS) of the IP Multimedia Subsystem (IMS) core network) A service request message to negotiate media corresponding to the one-way video call service.
  • AS Application Server
  • IMS IP Multimedia Subsystem
  • the method may further include:
  • the video call mode is a two-way video call when the judgment result indicates that the second network quality does not satisfy the first preset condition
  • the initiating two-way video call service includes:
  • the second identifier indicates that the initiated service is a two-way video call service
  • the second service request message is issued.
  • the calling number and the called media address need to be added to the second service request message, so that the network side can know the calling party and the corresponding called party, thereby performing negotiation of the two-way video calling service media.
  • the calling number and the called media address are added in the re-INVITE message to form a complete re-INVITE message.
  • the sending the second service request message means that the terminal sends the second service request message to the network side (the AS of the IMS core network) to negotiate the media corresponding to the two-way video call service.
  • the video call flow corresponding to the video call service before the first moment is removed; the first moment is a one-way video corresponding to the determined video call mode.
  • the video call flow corresponding to the one-way video call service is removed (ie, deleted).
  • Video call flow ie, media that is negotiated by the two-way video call service).
  • a video call is made using a WiFi network, that is, a ViWiFi service is performed.
  • Urgent needs.
  • the method for implementing the video call is to monitor the network quality of the network environment where the terminal is located, obtain the first network quality of the network environment where the terminal is located, and determine whether the first network quality meets the first preset. a condition that the first preset condition indicates that the first network quality cannot carry a two-way video call service; determining a video call mode according to the determination result; and using the determined video call mode to initiate a one-way video call service or a two-way video
  • the call service controls the video call mode to be a one-way video call or a two-way video call according to the network quality of the network environment in which the terminal is located, so that the continuity of the video call can be guaranteed.
  • the second network quality of the network environment where the terminal is located is obtained; determining whether the second network quality meets the first preset condition; and when the determination result represents the second
  • the video call mode is determined to be a two-way video call; the two-way video call service is initiated, and when the network quality satisfies the condition of the two-way video call, the two-way video call is performed, thereby further ensuring the video call.
  • Continuity at the same time, also enhances the user experience.
  • this embodiment describes in detail how to perform a video call in the application scenario of the ViWiFi service.
  • the application scenario of this embodiment is that user A and user B perform ViWiFi service.
  • the user A is the calling party and the user B is the called party.
  • the solution of the embodiment is implemented by the ViWiFi client.
  • FIG. 2 is a schematic flowchart of performing a video call according to an embodiment of the present invention. As shown in Figure 2, the process includes the following steps:
  • Step 201 User A's ViWiFi client monitors the quality of the WiFi network where User A is located.
  • Step 202 It is found that the WiFi quality of the current user A is poor, and the two-way video call service cannot be performed; at this time, the user A wants to make a video call; the ViWiFi client of the user A is The aDP in the SDP carried by the INVITE is marked as sendonly, and the calling number and the called media address are added to the INVITE message, and a service request message is initiated to the AS of the IMS core network (initiating one-way video call service), that is, the INVITE message is sent. ;
  • the quality of the WiFi network can be reflected by MOS.
  • MOS the better the quality of the WiFi network.
  • MOS the worse the WiFi network.
  • a corresponding first threshold is required to reflect whether the acquired WiFi network quality can carry the two-way video call service.
  • the quality of the WiFi network at this time is poor, and the two-way video call service cannot be carried.
  • the acquired MOS is greater than or equal to the first threshold, the quality of the WiFi network is good. It can carry two-way video call service.
  • the quality of the WiFi network can also be reflected by the network signal strength (dB).
  • the network signal strength is usually a negative value. The closer to zero, the worse the quality of the WiFi network is. On the contrary, the farther away from zero, the better the quality of the WiFi network. . At this time, it is still necessary to set a corresponding second threshold to reflect whether the acquired WiFi network quality can carry the two-way video call service.
  • the acquired network signal strength is less than or equal to the second threshold, it indicates that the WiFi network quality is good at this time, and can carry the two-way video call service; when the acquired network signal strength is greater than the second threshold, the WiFi is indicated at this time.
  • the network quality is poor and cannot carry two-way video call services.
  • the quality of the WiFi network can also be reflected by the network delay.
  • a third threshold is set to reflect whether the acquired WiFi network quality can carry the two-way video call service.
  • the obtained network delay is greater than the third threshold, it indicates that the WiFi network quality is poor at this time, and the two-way video call service cannot be carried; when the acquired network delay is less than or equal to the third threshold, the WiFi is indicated at this time.
  • the network quality is good and can carry two-way video call services.
  • the network delay can be determined by obtaining a pin packet.
  • Step 203 The AS receives the service request message, and sends a service request message to the called party (the user B).
  • the AS after receiving the service request message (INVITE message), the AS needs to perform transmission related processing on the received service request message, and then send the processed service request message (new INVITE message) to the called party.
  • Step 204 After receiving the service request message, the ViWiFi client of user B sends a response message (200 OK message) to the AS;
  • Step 205 After receiving the response message, the AS sends a response message (200 OK message) to the calling party (User A).
  • steps 202 to 205 the role of steps 202 to 205 is to perform media negotiation (one-way video call).
  • Step 206 User A and User B perform a one-way video call.
  • Step 207 During the one-way video call, the ViWiFi client of the user A continues to monitor the quality of the WiFi network where the user A is located; the current user A's WiFi quality has the two-way video call bandwidth requirement, and the user A's ViWiFi client automatically Initiating a standard two-way video call request to the AS;
  • User A's ViWiFi client sends a re-INVITE message to the AS;
  • the ViWiFi client of the user A is marked with a line in the SDP carried by the re-INVITE, and adds the calling number and the called media address in the re-INVITE message to initiate a service request message to the AS, that is, send re -INVITE message.
  • Step 208 After receiving the service request message, the AS sends a service request message to the called party (User B).
  • the AS after receiving the service request message (re-INVITE message), the AS needs to perform transmission related processing on the received service request message, and then process the processed service request message (new The re-INVITE message is sent to the called party.
  • Step 209 After receiving the service request message, the ViWiFi client of the user B sends a response message (200 OK message) to the AS;
  • Step 210 After receiving the response message, the AS sends a response message (200 OK message) to the calling party (User A).
  • steps 207 to 210 the role of steps 207 to 210 is to perform media negotiation (two-way video call).
  • Step 211 User A and User B perform a two-way video call.
  • Step 212 The ViWiFi client of the user A sends a BYE message to the AS to automatically remove the original one-way video call stream.
  • Step 213 After receiving the BYE message, the AS sends a BYE message to the user AB to automatically remove the original one-way video call stream.
  • the solution provided in this embodiment detects the current network state of user A before initiating a video call, and provides a one-way if the current network quality is insufficient to meet the requirements of the two-way video call. video call.
  • the one-way video call when the network status of user A changes again and the network quality meets the requirements for two-way video calls, the one-way video call is automatically switched to the two-way video call, thereby solving the problem of ViWiFi call quality control.
  • the solution provided by the embodiment of the present invention combines the one-way video call with the ViWiFi service quality (network quality), and determines the current network quality of the user as a trigger mechanism of the service through the client or the terminal, so that the continuity of the call can be effectively ensured. .
  • the one-way video call technology is embedded in the ViWiFi product, which improves the service flexibility, ensures the user's urgent video call demand, effectively improves the user experience and improves the user. Satisfaction.
  • the video call is based on the two-way video media stream transmission, that is, in addition to transmitting the video stream of the user, the video stream that is transmitted by the peer end is received, and after adopting the solution of the embodiment of the present invention,
  • the one-way video call technology is adopted, that is, only the video stream of the peer is sent without receiving the video stream of the opposite end or only the video stream of the opposite end without transmitting its own video stream. In this way, at least half of the bandwidth of the original two-way video call can be saved, and the problem of poor video call quality or even a broken link caused by insufficient network signal can be avoided.
  • the embodiment provides a terminal.
  • the terminal includes:
  • the monitoring unit 31 is configured to monitor network quality of a network environment where the terminal is located;
  • the obtaining unit 32 is configured to obtain the first network quality of the network environment where the terminal is located;
  • the determining unit 33 is configured to determine whether the first network quality meets the first preset condition, where the first preset condition indicates that the first network quality cannot bear the two-way video call service;
  • the determining unit 34 is configured to determine a video call mode according to the determination result
  • the service initiating unit 35 is configured to initiate a one-way video call service or a two-way video call service by using the determined video call mode.
  • the network quality can be reflected by MOS.
  • MOS the higher the MOS, the better the network quality.
  • MOS the worse the network.
  • the corresponding first threshold is set to reflect whether the acquired network quality can carry the two-way video call service.
  • the network quality at this time is poor, and the two-way video call service cannot be carried.
  • the acquired MOS is greater than or equal to the first threshold, the network quality is good at this time. Carry two-way video call service.
  • the network quality can also be reflected by the network signal strength (dB).
  • the network signal strength is usually a negative value. The closer to zero, the worse the network quality is. On the contrary, the farther away from zero, the better the network quality. At this time, it is still necessary to set a corresponding second threshold to reflect whether the acquired network quality can carry the two-way video call service.
  • the acquired network signal strength is less than or equal to the second threshold, it indicates that the network quality is good at this time, and can carry the two-way video call service; when the acquired network signal strength is greater than the second threshold, the network quality at this time is indicated. Poor, can not carry two-way video call service.
  • the network quality can also be reflected by the network delay.
  • a third threshold is set to reflect whether the acquired network quality can carry the two-way video call service.
  • the network quality at this time is poor, and the two-way video call service cannot be carried.
  • the network quality at this time is indicated.
  • it can carry two-way video call service.
  • the network delay can be determined by obtaining a pin packet.
  • the determining unit 34 determines that the video call mode is a one-way video call; and when the determination result indicates that the first network quality does not satisfy the first When a predetermined condition is met, the determining unit 34 determines that the video call mode is a two-way video call.
  • the service initiating unit 35 initiates a one-way video call service
  • the service initiating unit 35 When it is determined that the video call mode is a two-way video call, the service initiating unit 35 initiates a two-way video call service.
  • the one-way video call means that only one party of the calling party and the called party can see the transmitted video; correspondingly, the two-way video call means that both the calling party and the called party can see the video.
  • the service initiating unit 35 is specifically configured as follows:
  • the first identifier indicates that the initiated service is a one-way video call service; and the first service request message is sent.
  • the service initiating unit 35 further adds a calling number and a called media address in the first service request message, so that the network side knows the calling party and the corresponding called party, thereby performing one-way video calling service media.
  • the first service request message may be an INVITE message
  • the service initiating unit 35 adds the calling number and the called media address in the INVITE message to form a complete INVITE message.
  • the sending the first service request message means: the service initiating unit 35 sends the first service request message to the network side (AS of the IMS core network), so as to negotiate a one-way video call service corresponding to media.
  • the acquiring unit 32 is configured to obtain a second network quality of a network environment where the terminal is located after performing a one-way video call service.
  • the determining unit 33 is configured to determine whether the second network quality meets the first preset condition
  • the determining unit 34 is configured to: when the determination result indicates that the second network quality does not satisfy the first preset condition, determine that the video call mode is a two-way video call;
  • the service initiating unit 35 is configured to initiate a two-way video call service.
  • the service initiating unit 35 is specifically configured as follows:
  • the second service request message is issued.
  • the service initiating unit 35 still adds the calling number and the called media address in the second service request message, so that the network side knows the calling party and the corresponding called party. Thereby, the negotiation of the two-way video call service media is performed.
  • the second service request message may be a re-INVITE message
  • the service initiating unit 35 adds the calling number and the called media address in the re-INVITE message to form a complete re-INVITE message.
  • the terminal may further include:
  • the dismantling unit 36 is configured to perform a one-way video call service or a two-way video call service, and remove the video call flow corresponding to the video call service before the first moment; the first moment is a one-way corresponding to the determined video call mode. The beginning of the video call service or two-way video call service.
  • the teardown unit 36 removes the video corresponding to the one-way video call service.
  • a call flow that is, deleting the media negotiated by the one-way video call service
  • the dismantling The unit 36 removes the video call flow corresponding to the two-way video call service (ie, deletes the media negotiated by the two-way video call service).
  • the monitoring unit 31, the service initiating unit 35, and the dismantling unit 36 may be implemented by a central processing unit (CPU), a microprocessor (MCU, a digital control unit), and a digital signal processor (DSP) in the terminal.
  • CPU central processing unit
  • MCU microprocessor
  • DSP digital signal processor
  • a Digital Signal Processor or a Field-Programmable Gate Array (FPGA) is implemented in combination with a communication chip;
  • the obtaining unit 32, the determining unit 33, and the determining unit 34 can be implemented by a CPU, an MCU, or DSP or FPGA implementation.
  • a video call is made using a WiFi network, that is, a ViWiFi service is performed.
  • a WiFi network that is, a ViWiFi service is performed.
  • the monitoring unit 31 monitors the network quality of the network environment where the terminal is located; the obtaining unit 32 obtains the first network quality of the network environment where the terminal is located; The unit 33 determines whether the first network quality meets the first preset condition, where the first preset condition indicates that the first network quality cannot bear the two-way video call service; the determining unit 34 determines according to the determination result.
  • a video call mode the service initiating unit 35 initiates a one-way video call service or a two-way video call service by using the determined video call mode, and controls the video call mode to be a one-way video call according to the network quality of the network environment in which the terminal is located. Two-way video call, so that the continuity of the video call can be guaranteed.
  • the acquiring unit 32 acquires the second network quality of the network environment where the terminal is located; and the determining unit 33 determines whether the second network quality meets the first preset. a condition; when the judgment result indicates that the second network quality does not satisfy the first preset condition, the determining unit 34 determines that the video call mode is a two-way video call; and the service initiating unit 35 initiates a two-way video call service, when When the network quality satisfies the conditions of the two-way video call, the two-way video call is performed, thereby further ensuring the continuity of the video call and improving the user experience.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention may be employed in one or more of its A computer program product embodied on a computer usable storage medium (including but not limited to disk storage and optical storage, etc.) containing computer usable program code.
  • a computer usable storage medium including but not limited to disk storage and optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
  • an embodiment of the present invention further provides a computer storage medium, where the computer storage medium includes a set of instructions, when the instruction is executed, causing at least one processor to perform the video call implementation method described in the embodiment of the present invention. .

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  • General Engineering & Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)

Abstract

La présente invention concerne un procédé de mise en oeuvre d'appel vidéo. Le procédé consiste à : surveiller la qualité d'un environnement de réseau autour d'un terminal; acquérir une première qualité de l'environnement de réseau du terminal; déterminer si la première qualité de réseau satisfait une première condition prédéterminée, la première condition prédéterminée caractérisant l'incapacité de la première qualité de réseau à acheminer un service d'appel vidéo bidirectionnel; sélectionner, selon le résultat de détermination, un mode d'appel vidéo; et déclencher, selon le mode d'appel vidéo sélectionné, un service d'appel vidéo unidirectionnel ou un service d'appel vidéo bidirectionnel. Les modes de réalisation de l'invention concernent également un terminal et un support de stockage informatique.
PCT/CN2017/075503 2016-04-08 2017-03-02 Procédé de mise en oeuvre d'appel vidéo, terminal et support de stockage informatique WO2017173903A1 (fr)

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WO2022116992A1 (fr) * 2020-12-01 2022-06-09 华为技术有限公司 Procédé d'appel et dispositif électronique

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