WO2012083805A1

WO2012083805A1 - A video call implementation method, system and device

Info

Publication number: WO2012083805A1
Application number: PCT/CN2011/083915
Authority: WO
Inventors: 赵婷; 辜苏
Original assignee: 中国移动通信集团公司
Priority date: 2010-12-20
Filing date: 2011-12-14
Publication date: 2012-06-28
Also published as: CN102547604A; CN102547604B

Abstract

A video call implementation method, system and device are used to solve the problem that the existing videophone is restricted by the type of terminal and the network status so as to be implemented difficultly and can not show the information of other party clearly. In the method, an Interactive Voice Response (IVR) system establishes audio links to a calling terminal and to a called terminal through a calling side Mobile Switching Center (MSC) and a called side MSC, and respectively establishes video links to the home gateways bound to the calling terminal and bound to the called terminal, transmits the video information collected by a video collection device to a video playback device though the video links. The IVR system transmits the video information collected by the video collection device to the corresponding video playback device via the established video links to the home gateways, so video telephony service also can be achieved even if a terminal does not support the video telephony service.

Description

Method, system and device for realizing video call The present application claims to be submitted to the Chinese Patent Office on December 20, 2010, the application number is 201010597573.9, and the invention name is "a method, system and device for realizing a videophone service" Priority of Chinese Patent Application, the entire contents of which is incorporated herein by reference. Technical field

The present invention relates to the field of communications technologies, and in particular, to a method, system, and apparatus for implementing a video call. Background technique

Videophone (Video Phone, VP) is a video call, video telephone service as the third generation mobile communication system ^{(3 rd Generation Mobile Communications System,} 3G) iconic business has been of particular concern. The videophone service can provide real-time two-way communication of voice and video between multimedia terminals, that is to say, in the videophone service, both parties can not only hear the voice of the other party but also the video of the other party.

In the process of realizing the videophone service, the network and the terminal need to cooperate with each other. For the terminal, the terminal needs to support the videophone function, and for the network, the 3G network signal is required to cover the area of the user communication and the signal is stable, which can provide quality guarantee of quality of service (QoS). The data transmitted between the two user terminals performing the videophone service is carried in the circuit domain, because the videophone service is a bearer service of the circuit domain, so before the videophone service is performed, the two user terminals First, a Circuit Switched (CS) link needs to be established, based on which the videophone service can be performed.

FIG. 1 is a process for implementing a videophone service in the prior art, and the process includes the following steps:

S101: The calling user sends a link establishment request to a Mobile Switching Center (MSC)/Visitor Location Register (VLR) of the network where the network is located, where the link establishment request includes the identification information of the called user. 5102: After receiving the link establishment request, the MSC/VLR of the network where the calling user is located sends a link establishment request to the MSC/VLR of the network where the called user is located.

5103: The MSC/VLR of the network where the calling user is located establishes a CS link with the calling user according to the received link establishment request, and returns a link establishment response to the calling user.

S104: After receiving the link establishment request sent by the MSC/VL of the network where the calling user is located, the MSC/VLR of the network where the called user is located sends a link establishment request to the called user.

S105: After receiving the link establishment request sent by the MSC/VLR of the network where the network is located, the called user establishes a CS link with the MSC/VLR of the network in which it is located, and returns a link establishment response to the MSC/VLR of the network where it is located.

S106: The calling user and the MSC/VLR of the network where the called user is located check and configure the capability of the user terminal to determine whether the user terminal can perform the videophone service, and when determining that the user terminal can perform the videophone service , proceed to the next steps.

S107: The calling user and the MSC/VLR of the network where the called user is located perform channel check to control the parameter configuration of the communication channel of the calling and called users during the videophone service, so that the videophone service is maintained at a better level. status.

S108: The MSC/VLR of the network where the calling user and the called user are located confirms that the channel is available before configuring the media information, sends and configures the called and called audio and video parameter information, and establishes a video telephone channel between the calling party and the called party. .

In the implementation process of the above-mentioned videophone service, since the calling party and the MSC/VL of the network where the called user is located need to determine whether the terminal of the calling party and the called user can support the videophone service, that is, whether the terminal of the calling party and the called user is The 3G-324M terminal, or the Session Initiated Protocol (SIP) terminal based on the packet bearer, cannot be implemented as long as the user terminal at one end does not support the videophone service. At present, there are a large number of terminals that do not support videophone services, and videophone services cannot be implemented between these terminals, or between terminals supporting videophone services and these terminals. And the videophone service is also based on the stability of the network signal. When the network signal is unstable, the videophone service will not be realized. Summary of the invention

In view of this, an embodiment of the present invention provides a method, a system, and a device for implementing a video call, which are used to solve the problem that the videophone is subject to the type and network state of the terminal in the prior art, which causes difficulty in implementation and cannot clearly display the other party's information. The problem.

A method for implementing a video call according to an embodiment of the present invention includes:

The interactive voice response system establishes a request for the link between the calling terminal and the called terminal by the calling side MSC and the called side MSC according to the received link establishment request sent by the calling side mobile switching center MSC;

And establishing binding relationship with the calling terminal and the called terminal respectively according to the binding information of the calling terminal and the called terminal carried in the link establishment request, and the binding relationship between the saved terminal identification information and the home gateway identification information, respectively. a video link between the home gateways;

The video information collected by the calling terminal and the video capture device bound by the called terminal is transmitted to the video playing device bound to the called terminal and the calling terminal through the video link.

A system for implementing a video call according to an embodiment of the present invention includes: a calling side mobile switching center MSC, configured to send a link establishment request to an interactive voice response system, and the interactive voice response system and The calling terminal establishes an audio link;

The interactive voice response system receives a link establishment request sent by the calling side mobile switching center MSC, and establishes an audio link with the calling terminal and the called terminal through the calling side MSC and the called side MSC, and according to the link Establishing the identification information of the calling terminal and the called terminal carried in the request, and the binding relationship between the saved terminal identification information and the home gateway identification information, respectively, and establishing a home gateway bound to the calling terminal and the called terminal respectively Video link;

The called side MSC establishes an audio link with the called terminal and the interactive voice response system; the home gateway is bound to the calling terminal and the called terminal through a video link established with the interactive voice response system. The video information collected by the video collection device is transmitted through the video link to a video playback device bound to the called terminal and the calling terminal.

An apparatus for implementing a video call according to an embodiment of the present invention, where the apparatus includes: An audio link establishing module, configured to establish, by the calling side MSC and the called side MSC, an audio link between the calling terminal and the called terminal according to the received link establishment request sent by the calling side mobile switching center MSC;

a video link establishing module, configured to establish, according to the binding information of the calling terminal and the called terminal carried in the link establishment request, and the binding relationship between the terminal identification information and the home gateway identification information saved by the link establishment request, respectively And a video link between the home gateways bound to the called terminal, and a transmission module, configured to transmit video information collected by the video capture device bound to the calling terminal and the called terminal to the user through the video link The video playback device bound to the called terminal and the calling terminal.

A method for implementing a video call according to an embodiment of the present invention, the method includes: establishing a video link with the interactive voice response system according to a video link establishment request sent by an interactive voice response system;

The video information collected by the video capture device bound to the calling terminal and the called terminal is transmitted to the video playing device bound to the called terminal and the calling terminal through the video link.

An apparatus for implementing a video call according to an embodiment of the present invention, the apparatus includes: a link establishing module, configured to establish a video link with the interactive voice response system according to a video link establishment request sent by an interactive voice response system;

And a transmission module, configured to transmit video information collected by the video capture device bound to the calling terminal and the called terminal to the video playback device bound to the called terminal and the calling terminal by using the video link.

The embodiment of the invention provides a method, a system and a device for implementing a video call. In the method, the interactive voice response system establishes an audio link with the calling terminal and the called terminal through the calling side MSC and the called side MSC. And establishing a video link between the home gateway that is bound to the calling terminal and the called terminal, and transmitting, by using the video link, the video information collected by the video capture device bound to the calling terminal and the called terminal to The called terminal and the video playback device bound to the calling terminal. In the embodiment of the present invention, the interactive voice response system transmits the video information collected by the video collection device to the corresponding video playback device through a video link established with the home gateway. Therefore, even if the terminal does not support the videophone service, the videophone service can be realized. DRAWINGS

1 is an implementation process of a videophone service in the prior art;

FIG. 2 is a schematic diagram of an implementation process of a video call according to an embodiment of the present invention;

FIG. 3 is a detailed implementation process of a video call according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an implementation process of a video call between a calling terminal and a called terminal according to an embodiment of the present invention;

5 is a specific implementation process of a video call between a calling terminal and a called terminal, where the calling terminal is a 2G terminal, and the called terminal is a POTS terminal, according to an embodiment of the present invention;

6A is a schematic structural diagram of a system for implementing a video call according to an embodiment of the present invention; FIG. 6B is a schematic structural diagram of a system for implementing a video call according to an embodiment of the present invention; FIG. 7 is a schematic diagram of a device for implementing a video call according to an embodiment of the present invention; Schematic;

FIG. 8 is a schematic structural diagram of an apparatus for implementing a video call according to an embodiment of the present invention. detailed description

The implementation process of the video call provided by the embodiment of the present invention, the multimedia interactive voice response system (IPR) service based on the IP Multimedia System (IMS) is based on the traditional voice IVR service. CS domain and IMS domain. The IVR system is linked to the IMS core network element through the ISC interface. In the CS domain, the IVR system and the Gateway Mobile Switching Center (GMSC) are linked by the El link to support the bearer-independent call control protocol (Bearer Independent Call Control). Protocol, BICC) signaling, which can simultaneously process the signaling and media functions of CS domain users.

The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

2 is a process for implementing a video call according to an embodiment of the present invention. The process includes the following steps: S201: The interactive voice response system passes the link establishment request sent by the receiving side mobile switching center MSC, and passes through the calling side MSC. And the called side MSC establishes with the calling terminal and the called terminal Audio link between the ends.

Before receiving the link establishment request sent by the calling MSC, the method further includes: the calling side MSC receiving a link establishment request sent by the calling terminal, and establishing, according to the link establishment request, the calling terminal Audio link.

Establishing an audio link with the called side MSC includes: the interactive voice response system initiating an audio call message to the called side MSC according to the received link establishment request sent by the calling side MSC; The called side MSC establishes an audio link.

S202: According to the identification information of the calling terminal and the called terminal carried in the link establishment request, and the binding relationship between the terminal identification information saved by the terminal and the home gateway identification information, respectively, binding to the calling terminal and the called terminal respectively A video link between the home gateways.

The specific video link between the home gateway that is bound to the calling terminal and the called terminal includes: a binding relationship between the terminal identification information and the home gateway identification information saved by the terminal, and a terminal identification information carried in the link establishment request. And searching for the identification information of the home gateway bound to the terminal of the identification information; sending a video link establishment request to the home gateway that finds the identification information, and establishing a video link with the home gateway of the identification information.

In the embodiment of the present invention, before the video link between the IVR system and the home gateway bound to the calling terminal and the called terminal, the IVR system further includes: the IVR system determines whether the calling terminal and/or the called terminal support the videophone. The service, when it is determined that at least one of the calling terminal and the called terminal does not support the videophone service, performs the subsequent steps.

S203: The video information collected by the calling terminal and the video capture device bound to the called terminal is transmitted to the video playing device bound to the called terminal and the calling terminal by using the video link.

Transmitting the video information collected by the video collection device bound to the calling terminal to the video playback device bound to the called terminal by using the video link includes: the interactive voice response system receiving and The video information sent by the first home gateway bound by the calling terminal through the established video link; the interactive voice response system according to the received video information sent by the first home gateway, and the saved home gateway that establishes the link The relationship between the video information is sent to the second home gateway that establishes a link with the first home gateway through the established video link, and The second home gateway sends the video information to a video playing device bound to the called terminal.

In the embodiment of the present invention, in order to implement a video call, the terminal is bound to the home gateway, and the binding relationship between the binding information of the bound terminal and the home gateway identification information is established, and the binding relationship is saved to the IVR system. . Therefore, when the IVR system receives the establishment link request sent by the MSC of the network where the calling terminal is located, according to the identification information of the calling terminal and the called terminal carried in the establishment link request, and the identification information of the terminal and the home gateway saved by the ICR system. Identify the binding relationship of the information, determine the corresponding home gateway, and establish a video link with the home gateway.

In addition, in the embodiment of the present invention, in order to implement a video call when the terminal does not support the videophone service, the terminal may be a Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) terminal, second generation mobile communication system ^{(2 nd Generation mobile communications system,} 2G) terminal, a single cartridge old telephone service (Plain Old telephone service, POTS) terminal or a SIP terminal, may be employed a dedicated video information collecting means to collect video information, e.g. Can be a camera. After the video capture device collects the video information, it needs to send the video link established by the home gateway to the IVR system, so that it can be sent to the peer end. Therefore, in the embodiment of the present invention, the mapping relationship between the home gateway and the corresponding video collection device is required, and the binding between the home gateway and the terminal is also known. The binding relationship also exists.

FIG. 3 is a detailed implementation process of a video call according to an embodiment of the present invention, where the process includes the following steps:

S301: The calling side MSC establishes an audio link with the calling terminal according to the received link establishment request sent by the calling terminal.

S302: The calling side MSC sends the link establishment request to the IVR system.

S303: The IVR system establishes an audio link with the calling side MSC, and according to the received calling side

The identification information of the called terminal carried in the link establishment request sent by the MSC, to the called terminal

The MSC sends a link setup request. S304: The called side MSC sends an audio setup request to the called terminal according to the identifier information of the called terminal carried in the link establishment request sent by the received IVR system, establishes an audio link with the called terminal, and cooperates with the IVR system. After the message negotiation is determined, an audio link is established with the IVR system.

S305: The audio information between the calling terminal and the called terminal is transmitted through the established audio link.

S306: The IV system determines, according to the binding information of the calling terminal and the called terminal carried in the link establishment request sent by the calling side MSC, and the binding relationship between the terminal identification information saved by the calling terminal and the home gateway identification information, respectively, determining and calling the calling party. The identification information of the home gateway bound by the terminal and the called terminal sends a video link establishment request to the home gateway of the identification information.

S307: The home gateway receiving the video link establishment request sent by the IVR system establishes a video link with the IVR system according to the video link establishment request. The home gateway controls the collection of video information by its associated video acquisition device.

S308: The home gateway receives the video information collected by the video collection device, sends the video information to the IVR system through a video link established with the IVR system, and sends the video link established by the IVR system and the opposite home gateway to the home gateway of the opposite end. , played by a video playback device bound to the peer's home gateway.

In the above process, the IVR system establishes an audio link with the calling terminal and the called terminal through the calling side and the called side MSC, respectively, and also establishes a video link with the home gateway bound to the calling terminal and the called terminal. Therefore, the IVR system first establishes an audio link with the calling terminal and the called terminal, or establishes a video link with the corresponding home gateway. In order, the video link may be established first, or the audio link may be established first.

The video call implementation method provided by the embodiment of the present invention performs the video telephone service, after the terminal establishes an audio link through the MSC and the IVR system, and the IVR system establishes a video link through the home gateway bound to the terminal. The video capture device that is bound to the home gateway, that is, the video capture device bound to the terminal starts to collect video information. After the video information collecting device collects the video information, the video information is sent to the home gateway that has a binding relationship with the video information collecting device, because the home gateway has established a video link with the IVR system, so the video Information can be sent to the IVR system via the established video link.

Preferably, the home gateway and the video collection device may be one device, that is, the home gateway has a video information collection function. When the home gateway establishes a video link with the IVR system, the home gateway with the video collection function starts to perform video information. The collected video information is sent to the IVR system through a video link established by the IVR system with the IVR system. The IVR system sends the received video information to the peer home gateway through a video link established with the peer home gateway.

In addition, when the terminal that performs the videophone service has the video information collection function, the video collection device can also be a device with the terminal. After the home gateway establishes a video link with the IVR system, the home gateway triggers the video information collection function of the terminal. When enabled, the terminal starts collecting video information, and sends the collected video information to the IVR system through a video link established between the home gateway and the IVR system.

When the IVR system receives the video information collected by the video collection device, the video information needs to be sent to the opposite end for display. In the embodiment of the present invention, in order to effectively improve the accuracy of the video information display, the video playback device may For the TV set, because the resolution of the TV is high, and the display screen is relatively large, the display accuracy can be met, and since the display screen is relatively large, more people can simultaneously view the video information, thereby improving the user's Experience.

In addition, the terminal that is bound to the home gateway may be one or more, that is, the binding relationship between the identification information of the two or more terminals and the identification information of the same home gateway may be established. When a terminal initiates a videophone service, it sends a link establishment request to the MSC of the network where it is located, and carries its own identification information in the link establishment request. Therefore, after receiving the link establishment request, the IVR system can The identification information of the home gateway bound to the terminal is determined according to the identifier information of the terminal carried in the link establishment request, so that a video link can be established with the home gateway of the identifier information. The terminal bound to the same home gateway may be a TD terminal, a 2G terminal, a POTS terminal, or a SIP terminal, as long as there is corresponding terminal identification information.

In order to enable the home gateway to form a binding relationship with multiple types of terminals, and the home gateway also plays the video information transmitted by the IVR system in the video playing device bound to itself, the home gateway needs to be connected multiple times. The interfaces support links to the corresponding devices. Specific home network The interface can be connected to the RJ11 to support the binding relationship with the POTS terminal, and the interface supporting the AV is connected to the video playback device. In addition, in order to link the home gateway with more devices, the home gateway can also be linked by WIFI, or IP Camel.

When the home gateway is connected to the network in the embodiment of the present invention, the binding relationship between the home gateway and the terminal has been determined, that is, the binding relationship between the identification information of the home gateway and the terminal identification information has been saved on the network side. The binding relationship between the identification information of the home gateway and the terminal identification information can also be modified in the later stage. As long as the modified binding relationship is saved to the IVR system, the videophone service can be implemented according to the modified binding relationship.

In the embodiment of the present invention, after the IVR system establishes a video link between the first home gateway bound to the calling terminal and the second home gateway bound to the called terminal, the home gateway is configured to implement video information transmission. The relationship between the home gateways that established the video link is saved locally. When the specific home gateway is connected to the network, the IMS network side allocates unique SIP identification information to the home gateway, so that the IVR system can establish a video link with the home gateway according to the SIP identification information. And in order to implement a video link between the home gateway bound to the calling terminal and the home gateway bound to the called terminal, the IVR system maps the two home gateways to one IP port, and shares a SIP number with the outside world. Communication.

In the embodiment of the present invention, the relationship between the home gateways that establish the video links is saved in the IVR platform, that is, the two home gateways that establish the video link correspond to the same IP port, so when a certain family is received When the video information is sent by the gateway, the video information is sent to another home gateway corresponding to the IP port according to the IP port of the home gateway, and the video information is played in the corresponding video playback device by another home gateway.

FIG. 4 is a schematic diagram of an implementation process of a video call between a calling terminal and a called terminal according to an embodiment of the present invention, where the process includes the following steps:

S401: The calling side MSC establishes an audio link with the calling terminal according to the received link establishment request sent by the calling terminal, and sends the link establishment request to the IVR system.

S402: The IV system establishes an audio link with the calling side MSC, and according to the received identification information of the called terminal carried in the link establishment request sent by the calling side MSC, to the called terminal The MSC sends a link setup request.

S403: The called side MSC sends an audio setup request to the called terminal according to the identifier information of the called terminal carried in the link establishment request sent by the received IVR system, establishes an audio link with the called terminal, and cooperates with the IVR system. After the message negotiation is determined, an audio link is established with the IVR system.

S404: The audio information between the calling terminal and the called terminal is transmitted through the established audio link.

S405: The determining, by the IV system, the identification information of the calling terminal and the called terminal carried in the link establishment request sent by the calling side MSC, when determining that at least one of the calling terminal and the called terminal does not support the videophone service, and Determining the binding relationship between the terminal identification information and the home gateway identification information, and determining the identification information of the first home gateway and the second home gateway that are bound to the calling terminal and the called terminal respectively, to the first home of the identification information The gateway and the second home gateway send a video link setup request.

S406: The first home gateway and the second home gateway that receive the video link establishment request sent by the IVR system, establish a video link with the IVR system according to the video link establishment request, and the first home gateway controls the video collection device bound to the video. Collection of information.

S407: The first home gateway receives the video information collected by the video collection device, and sends the video information to the IVR system through a video link established with the IVR system.

S408: The IV system receives the video information sent by the first home gateway, and searches for a second home gateway that establishes a video link with the first home gateway according to the relationship between the saved home gateways that establish the video link, and passes the video information. A video link established with the second home gateway is sent to the second home gateway.

S409: The second home gateway sends the video information to the video playing device bound to itself according to the received video information sent by the IVR system.

S410: The IV system receives the call end information sent by the calling terminal, and notifies the called terminal to hang up according to the call end information.

S411: The IVR system sends release information to the home gateway bound to the calling terminal and the called terminal according to the information of the home gateway bound to the calling terminal and the called terminal, and notifies the calling terminal and the called terminal. The bound home gateway releases the video call of the calling and called terminal. In the embodiment of the present invention, when the video call is implemented, the calling terminal and the called terminal establish an audio link with the IVR system to transmit audio data, and the video data of the calling user and the called user are bound by the calling terminal and the called terminal. The home gateway is connected to the video link established by the IVR system. And since the home gateway links the video collection device and the video playback device, even if the calling terminal and the called terminal do not support the videophone service due to their own hardware defects, the video information can be collected and played. In addition, since the video information is transmitted through the video link of the home gateway and the IVR system in the embodiment of the present invention, even if the network signal quality is poor, the video link between the home gateway and the IVR system is not affected, thereby expanding the implementation of the present invention. The scope of use of the example. At the same time, when the video information in the embodiment of the present invention is played by a special video playing device, such as a television set, the resolution of the playing can be realized due to the higher resolution of the screen, and the simultaneous viewing of multiple people can be simultaneously satisfied.

FIG. 5 is a specific implementation process of a video call between a calling terminal and a called terminal, where the calling terminal is a 2G terminal, and the called terminal is a POTS terminal, and the process includes the following steps:

Steps 1~3: The 2G terminal initiates a link establishment request, and the calling side MSC requests the IV system through the BICC_IAM, and the IVR-AS that receives the link establishment debt request in the IVR system returns the BICC_APM(sdpA) message, completing the main A preliminary negotiation between the MSC and the IMS_IVR AS is called.

Steps 4 to 6: The IVR AS performs media negotiation between the IVR system and the IVR MS. The IVR AS sends an invite to the IVR MS. After the negotiation is completed, the IVR MS returns sdpIVR_audio information to the IVR AS.

Steps 7 to 9: The IVR AS returns a BICC_APM (sdpIVR_audio) message to the calling side MSC, and the calling side MSC determines the audio link capability with the IVR AS according to the BICC-APM (sdpIVR_audio) message returned by the IVR AS, and finally Establish an audio link between the two.

Steps 10~12: The IV AS initiates a video call message BICC_IMAM to the called side MSC. If the called side terminal does not have the video calling capability, the call setup failure message REL is returned. Here, the IVR AS also needs to determine whether the calling terminal has the video calling capability. When the calling terminal does not have the video calling capability, the IVR AS automatically performs the subsequent steps even if the called terminal has the video calling capability. When both the calling terminal and the called terminal have the video calling capability, the IVR AS directly makes the calling terminal and the called terminal perform the videophone service through the established audio link.

Steps 13~21: The IV AS initiates an audio call to the called side MSC, BICC-IAM (Audio), and after a series of message negotiation processes, finally establishes an audio link with the called side MSC.

Steps 22 to 28: The IVR AS initiates a video bridging process to the network where the calling side home gateway is located according to the calling side home gateway bound to the calling terminal, and finally sends the sdpGWA information to the network where the calling side home network gateway is located.

Steps 29 to 35: The IVR AS carries the sdpGWA information sent by the calling party's home gateway, initiates a video call to the home gateway on the called side, and after the media information is exchanged, the called side home gateway finally returns the information carrying the sdpGWB information to the IVRAS.

Steps 36 to 38: The IVR AS carries the obtained sdpGWB message, re-initiates the invite (sdpGWB) message request to the calling side home gateway, and the calling side home gateway returns a 200 ok (sdpGWA) message, and finally establishes a master through the home gateway. Call the video link between the terminal and the called terminal.

Steps 39~50: After the call ends, the calling terminal initiates a REL message to the IVR system, the IVR system notifies the called terminal to hang up, and returns an RLC message, and the audio call ends; the IVR system sends a bye message to the calling and called home gateway, releasing the main The called video call.

6A is a schematic structural diagram of a system for implementing a video call according to an embodiment of the present invention, where the system includes:

The calling side mobile switching center MSC 61 is configured to send a link establishment request to the interactive voice response system 62, and establish an audio link with the interactive voice response system 62 and the calling terminal;

The interactive voice response system 62 receives the link establishment request sent by the calling side mobile switching center MSC 61, and establishes an audio link with the calling terminal and the called terminal through the calling side MSC 61 and the called side MSC 63, and according to the The identification information of the calling terminal and the called terminal carried in the link establishment request, and the binding relationship between the saved terminal identification information and the identification information of the home gateway 64, respectively, and establishing a home gateway bound to the calling terminal and the called terminal respectively Video link between 64;

The called side MSC 63 establishes an audio link with the called terminal and the interactive voice response system 62; The home gateway 64 transmits, by the video link established with the interactive voice response system 62, video information collected by the video collection device bound to the calling terminal and the called terminal to the video link through the video link. A video playback device bound to the called terminal and the calling terminal.

The interactive voice response system 62 is specifically configured to: according to the received link establishment request sent by the calling side MSC 61, initiate audio call information to the called side MSC 63, and after determining the message negotiation, the called side MSC63 Create an audio link.

The called side MSC 63 is specifically configured to send an audio setup request to the called terminal according to the identifier information of the called terminal carried in the sent link establishment request, and establish an audio link with the called terminal.

The interactive voice response system 62 is specifically configured to: according to the binding relationship between the terminal identification information saved by the terminal and the identification information of the home gateway 64, and the terminal identification information carried in the link establishment request sent by the calling terminal, searching and identifying the identifier The identification information of the home gateway 64 bound to the terminal of the information sends a video link establishment request to the home gateway 64 that finds the identification information, and establishes a video link with the home gateway 64.

The calling side MSC 61 is further configured to receive a link establishment request sent by the calling terminal, and establish an audio link with the calling terminal according to the link establishment request.

The interactive voice response system 62 is configured to receive video information that is sent by the first home gateway that is bound to the calling terminal by using the established video link, and according to the received video information sent by the first home gateway, And the relationship between the saved linked home gateway, sending the video information to the second home gateway that is linked with the first home gateway through the established video link, and using the second home gateway The video information is sent to a video playback device bound to the called terminal.

The home gateway 64 is specifically configured to: when receiving the video information collected by the video capture device bound to the calling terminal, sending the video information by using a video link established with the interactive voice response system To the interactive voice response system 62.

The home gateway 64 is specifically configured to: when receiving the video information sent by the interactive voice response system 62 through the video link, send the video information according to the video playing device bound to itself Sended to the video playback device.

The interactive voice response system 62 is further configured to receive the call end information sent by the calling terminal, notify the called terminal to hang up according to the call end information, and according to the home gateway bound to the calling terminal and the called terminal. The information of 64 sends release information to the home gateway 64 bound to the calling terminal and the called terminal, and notifies the home gateway 64 bound to the calling terminal and the called terminal to release the video call of the calling terminal.

FIG. 6B is a schematic structural diagram of a system for implementing a video call according to an embodiment of the present invention. In the system, a connection establishment request initiated by a calling terminal passes through a base station, a radio network controller (RNC), and the gateway is called to The GMSC, the GMSC establishes an audio link with the calling terminal and calls the connection establishment request to the IVR system, where the IVR system includes multiple servers (interface server, media server, application server, database, and portal) connected through the network. The IVR system sends a GMSC of the network where the called terminal is located according to the call setup request, and establishes an audio link between the gateway, the RNC, and the base station and the called terminal. Meanwhile, the IVR system controls the Interrogating-Call Session Control Function (I-CSCF) /S-CSCF/Media Gateway Control Function (Media) when determining that at least one of the calling terminal and the called terminal does not support the videophone service. Gateway Control Function, MGCF) The P-CSCF establishes a video link with the calling side home gateway and the called side home gateway, and the video capture device and the video playing device connected to the calling side home gateway and the called side home gateway are The user and the called user are called to perform video collection and playback.

FIG. 7 is a schematic structural diagram of an apparatus for implementing a video call according to an embodiment of the present invention, where the apparatus includes:

The audio link establishing module 71 is configured to establish, by the calling side MSC and the called side MSC, an audio link with the calling terminal and the called terminal according to the received link establishment request sent by the calling side mobile switching center MSC;

The video link establishing module 72 is configured to use the binding information of the calling terminal and the called terminal carried in the link establishment request, and the binding relationship between the saved terminal identification information and the home gateway identification information, respectively, and establish a connection with the calling terminal. And a video link between the home gateways bound to the called terminal; The transmission module 73 is configured to transmit video information collected by the video collection device bound to the calling terminal and the called terminal to the video playback device bound to the called terminal and the calling terminal by using the video link. .

The audio link establishing module 71 is specifically configured to: according to the received link establishment request sent by the calling side MSC, initiate audio call information to the called side MSC, and after establishing the message negotiation, establish the same with the called side MSC. Audio link.

The video link establishing module 72 is specifically configured to: according to the binding relationship between the terminal identification information saved by the terminal and the home gateway identification information, and the terminal identification information carried in the link establishment request sent by the calling terminal, searching for the identification information The identification information of the home gateway bound by the terminal sends a video link establishment request to the home gateway that finds the identification information, and establishes a video link with the home gateway.

The transmitting module 73 is specifically configured to: receive video information sent by the first home gateway bound to the calling terminal by using the established video link, according to the received video information sent by the first home gateway, and saved Establishing a relationship between the linked home gateways, transmitting the video information to the second home gateway that is linked with the first home gateway through the established video link, and transmitting the video through the second home gateway The information is sent to a video playback device that is bound to the called terminal.

The transmission module 73 is further configured to receive the call end information sent by the calling terminal, notify the called terminal to hang up according to the call end information, and according to the information of the home gateway bound to the calling terminal and the called terminal, Sending release information to the home gateway bound to the calling terminal and the called terminal, and notifying the home gateway bound to the calling terminal and the called terminal to release the video call of the calling and called terminal.

The specific implementation of the video call shown in Figure 7 above can be located in an interactive voice response system.

FIG. 8 is a schematic structural diagram of an apparatus for implementing a video call according to an embodiment of the present invention, where the apparatus includes:

a link establishing module 81, configured to establish a video link with the interactive voice response system according to a video link establishment request sent by the interactive voice response system; The transmission module 82 is configured to transmit video information collected by the video collection device bound to the calling terminal and the called terminal to the video playing device bound to the called terminal and the calling terminal by using the video link. .

The transmission module 82 is specifically configured to: receive video information collected by the video capture device bound to the calling terminal, and send the video information by using a video link established with the interactive voice response system to send the video information. To the interactive voice response system.

The transmitting module 82 is specifically configured to: when receiving the video information sent by the interactive voice response system through the video link, send the video information to the video playing device according to the video playing device bound to itself.

The transmission module 82 is further configured to receive release information sent by the interactive voice response system, and release the video call of the calling and called terminal according to the release information.

The device for implementing the video call shown in FIG. 8 above may be located in the home gateway.

The embodiment of the invention provides a method, a system and a device for implementing a video call. In the method, the interactive voice response system establishes an audio link with the calling terminal and the called terminal through the calling side MSC and the called side MSC. And respectively establishing a video link between the calling gateway and the called terminal, and transmitting the voice information of the calling terminal and the called terminal through the audio link, and connecting with the calling terminal through the video link and The video information collected by the video capture device bound by the called terminal is transmitted to the video playback device bound to the called terminal and the calling terminal. In the embodiment of the present invention, the interactive voice response system transmits the video information collected by the video collection device to the corresponding video playback device through the video link established with the home gateway, so even if the terminal does not support the videophone service, The videophone service is also achievable.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalents, improvements, etc., which are made within the spirit and principles of the present invention, should be included in the present invention. Within the scope of protection.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention may be employed in one or more A computer program product embodied on a computer usable storage medium (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program code.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowcharts and/or block diagrams, and combinations of flow and/or blocks in the flowcharts and/or block diagrams can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. These computer program instructions for implementing the functions specified in one or more of the flowcharts or in a block or blocks of the flowcharts may also be stored in a particular manner capable of directing a computer or other programmable data processing device to operate. In a computer readable memory, causing instructions stored in the computer readable memory to produce an article of manufacture comprising an instruction device implemented in a block or a plurality of processes and/or block diagrams of the flowchart The function specified in the box.

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.

Although the preferred embodiment of the invention has been described, it will be apparent to those skilled in the < Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and the modifications and modifications The spirit and scope of the embodiments of the present invention are departed. Thus, it is intended that the present invention cover the modifications and modifications of the embodiments of the invention.

Claims

Rights request

A method for implementing a video call, comprising:

The video information collected by the calling terminal and the video capture device bound by the called terminal is transmitted through the video link to the video playing device bound to the called terminal and the calling terminal.

2. The method of claim 1, wherein establishing an audio link with the called side MSC comprises:

The interactive voice response system initiates an audio call message to the called side MSC according to the received link setup request sent by the calling side MSC;

After the message negotiation is determined, an audio link is established with the called side MSC.

The method of claim 2, wherein before the interactive voice response system establishes an audio link with the called side MSC, the method further includes:

The called side MSC sends an audio setup request to the called terminal according to the received identification information of the called terminal carried in the link establishment request sent by the interactive voice response system, and establishes an audio link with the called terminal.

4. The method of claim 1, wherein establishing a video link between the home gateway and the called terminal that is bound to the called terminal comprises:

And identifying the identification information of the home gateway bound to the terminal of the identification information, according to the binding relationship between the terminal identification information and the home gateway identification information saved by the terminal, and the terminal identification information carried in the link establishment request;

Sending a video link establishment request to the home gateway of the identified identification information, establishing the home Video link between the court gateways.

The method of claim 1, wherein the video information collected by the video capture device bound to the calling terminal is transmitted to the video played by the called terminal through the video link. Equipment includes:

The interactive voice response system receives video information sent by the first home gateway bound to the calling terminal through the established video link;

The interactive voice response system sends the video information to the home via the established video link according to the received video information sent by the first home gateway and the stored relationship between the home gateways that establish the video link. The first home gateway establishes a linked second home gateway, and sends the video information to the video playing device bound to the called terminal by using the second home gateway.

The method according to claim 1 or 5, wherein the first home gateway that is bound to the calling terminal sends video information through the established video link, including:

When the video collection device that is bound to the calling terminal collects the video information, the video information is sent to the first home gateway that is bound to the first home gateway, and the first home gateway passes the interactive voice response system. The established video link transmits the video information to the interactive voice response system.

The method of claim 6, wherein the transmitting, by the second home gateway, the video information to the video playback device bound to the called terminal comprises:

When receiving the video information sent by the interactive voice response system through the video link, the second home gateway sends the video information to the video playing device according to the video playing device bound to itself.

8. The method according to claim 1, wherein the method further comprises: the interactive voice response system receiving the call end information sent by the calling terminal, and notifying the called terminal to hang up according to the call end information;

And transmitting, according to the information of the home gateway bound to the calling terminal and the called terminal, release information to the home gateway bound to the calling terminal and the called terminal, and notifying the binding with the calling terminal and the called terminal The home gateway releases the video call of the calling and called terminal.

9. A system for implementing a video call, the system comprising:

a calling side mobile switching center MSC, configured to send a link establishment request to the interactive voice response system, and establish an audio link with the interactive voice response system and the calling terminal;

The interactive voice response system receives the link establishment request sent by the calling side mobile switching center MSC, and establishes an audio link with the calling terminal and the called terminal through the calling side MSC and the called side mobile switching center MSC, and according to The identification information of the calling terminal and the called terminal carried in the link establishment request, and the binding relationship between the terminal identification information saved by the terminal and the home gateway identification information, respectively, and establishing a family bound to the calling terminal and the called terminal respectively Video link between gateways;

The system according to claim 9, wherein the interactive voice response system is specifically configured to: according to the binding relationship between the terminal identification information saved by the user and the home gateway identification information, and the link sent by the calling terminal Establishing the terminal identification information carried in the request, searching for the identification information of the home gateway bound to the terminal of the identification information, sending a video link establishment request to the home gateway that finds the identification information, and establishing a video with the home gateway. link.

The system of claim 9, wherein the interactive voice response system is configured to receive video information that is sent by the first home gateway that is bound to the calling terminal through the established video link. And sending, according to the received video information sent by the first home gateway, and the saved relationship between the established home gateways, the video information to the first home gateway through the established video link. And a second home gateway, and sending the video information to the video playing device bound to the called terminal by using the second home gateway.

The system according to claim 9 or 11, wherein the home gateway is specifically configured to: when receiving a video collection device bound to the calling terminal, collecting video information, a video link established by the interactive voice response system, transmitting the video information to the mutual Dynamic voice response system.

The system according to claim 12, wherein the home gateway is specifically configured to: when receiving the video information sent by the interactive voice response system through the video link, according to the video playing device bound to itself, The video information is sent to the video playback device.

The system according to claim 9, wherein the interactive operation response system is further configured to: receive the call end information sent by the calling terminal, notify the called terminal to hang up according to the call end information; The information of the home gateway bound to the calling terminal and the called terminal sends release information to the home gateway bound to the calling terminal and the called terminal, and notifies the home gateway bound to the calling terminal and the called terminal. Release the video call of the calling and called terminal.

15. A device for implementing a video call, the device comprising:

An audio link establishing module, configured to establish, by the calling side MSC and the called side MSC, an audio link between the calling terminal and the called terminal according to the received link establishment request sent by the calling side mobile switching center MSC;

The device according to claim 15, wherein the video link establishing module is specifically configured to: according to the binding relationship between the terminal identification information saved by the terminal and the home gateway identification information, and the link establishment request sent by the calling terminal Carrying the terminal identification information, searching for the identification information of the home gateway bound to the terminal of the identification information, sending a video link establishment request to the home gateway of the found identification information, and establishing a video link with the home gateway.

The device of claim 16, wherein the transmission module is configured to: receive video information sent by the first home gateway bound to the calling terminal through the established video link, according to the received The video information sent by the first home gateway, and the saved home of the established link The relationship between the gateway gateways, the video information is sent to the second home gateway that is linked with the first home gateway through the established video link, and the video information is sent to the second home gateway through the second home gateway A video playback device bound to the called terminal.

The device according to claim 16, wherein the transmission module is further configured to: receive call end information sent by the calling terminal, notify the called terminal to hang up according to the call end information, and according to the main The information of the home gateway that is bound to the terminal and the called terminal is sent to the home gateway that is bound to the calling terminal and the called terminal, and the home gateway that is bound to the calling terminal and the called terminal is released to release the master. The video call of the called terminal.

19. A method for implementing a video call, the method comprising:

Establishing a video link with the interactive voice response system according to a video link establishment request sent by the interactive voice response system;

The video information collected by the video collection device bound to the calling terminal and the called terminal is transmitted to the video playing device bound to the called terminal and the calling terminal through the video link.

The method according to claim 19, wherein the video information collected by the video collection device bound to the calling terminal is transmitted to the video bound to the called terminal through the video link. The playback device includes:

Receiving video information collected by the video capture device bound to the calling terminal, and transmitting the video information to the interactive voice response system by using a video link established with the interactive voice response system; and

Upon receiving the video information sent by the interactive voice response system through the video link, the video information is transmitted to the video playback device according to the video playback device that is bound to itself.

A device for implementing a video call, the device comprising:

a link establishing module, configured to establish a video link with the interactive voice response system according to a video link establishment request sent by the interactive voice response system;

The device of claim 21, wherein the transmission module is configured to: receive, by the video collection device bound to the calling terminal, video information, and pass the video information to A video link established by the interactive voice response system, the video information being sent to the interactive voice response system.

The device according to claim 21 or 22, wherein the transmission module is specifically configured to: when receiving the video information sent by the interactive voice response system through the video link, according to the video playing device bound to itself Sending the video information to the video playback device.

The device of claim 21, wherein the transmission module is further configured to receive dry play information sent by the interactive voice response system, and release the video call of the calling and called terminals according to the release information.