KR100949912B1 - System and method for video communication providing multi receining function - Google Patents

Abstract

Disclosed are a multi-incoming video calling system and method. The multi-call video call system is a multi-video call determination unit for determining whether to perform a multi-video call call processing using the invite message received in response to a video call request from the mobile terminal to the VoIP terminal, multi-call video call result In the case of performing the processing, the video call support terminal identification unit for identifying the video VoIP terminal supported by the video call using the invite message and the call processing for the video call between the video VoIP terminal and the mobile terminal are performed. And a call processing execution unit.

Multi call, Video call, Simultaneous call, Sequential call, VoIP

Description

Multi-incoming video call system and method {SYSTEM AND METHOD FOR VIDEO COMMUNICATION PROVIDING MULTI RECEINING FUNCTION}

The present invention relates to a video call system and method, and more particularly, to a multi-call video call system and method for providing a video call service with a terminal supporting video call among at least one called terminal.

Recently, with the continuous evolution of communication networks, various wired / wireless communication networks such as WCDMA network (IMS Domain: IP Multimedia System Domain), WCDMA network (CS Domain: Circuit System Domain), and VoIP network, in addition to legacy communication networks such as conventional PSTN network, etc. This is being provided. These various communication networks can be largely divided into packet-based packet networks and circuit-based circuit networks.

Due to the emergence of such various communication networks, an interworking plan between each communication network is required. In particular, with the recent development of the media and securing technology, video communication is rapidly emerging along with voice communication, and it is urgent to prepare an interworking plan for voice / video communication between communication networks.

In particular, the WCDMA mobile network and the VoIP network are representative communication networks that are widely used. In addition, such a mobile network and a VoIP network include a terminal supporting a video call. However, since the terminal supporting the video call is not widely spread yet, when the called terminal is an unsupported terminal despite the video call request from the calling terminal, the video call between the calling terminal and the called terminal cannot be made. There is this. Therefore, the call processing apparatus in charge of the video call requires a process of determining whether the called terminal supports the video call according to the video call request of the calling terminal.

In general, in the case of a video call between terminals in the same network, the call processing apparatus can secure information of the calling terminal and the called terminal, thereby efficiently determining whether to support the video call. However, when the mobile terminal is the calling terminal and the VoIP terminal is the called terminal, when it is necessary to determine whether to support the video call according to the interworking of different networks, an inefficient call processing procedure may be involved.

For example, the video gateway should perform call processing in response to a video call call request sent from the mobile terminal and maintain the call until receiving a response to the call request from the called terminal. In addition, the called terminal must maintain the ringing state. At this time, the video gateway determines whether the video call is supported by using the response received from the called terminal and maintains the call connection in case of the video support terminal, but releases the call in case of the video unsupported terminal. Accordingly, VoIP incoming call terminals that do not support video calls are faced with the situation of truncating the net price call that the user answered during ringing.

That is, video call call processing between two different communication networks may be inefficiently operated due to the unsupported video call of the called terminal, and may cause a big problem of providing an unstable service to the user. Accordingly, there is a need for a method and system that can provide an efficient video call service by determining whether a called terminal supports video call with simple call processing.

Furthermore, in a multi-telephony video call having a plurality of called terminals, a multi-incoming video call capable of determining whether each called terminal supports a video call and providing a video call service between the terminal and the calling terminal that supports the video call is supported. There is an urgent need for systems and methods.

The present invention provides a multi-incoming video call system and method for more flexibly performing call processing by determining whether to perform a video call call processing using control information included in an invite message received by a video call call request.

The present invention provides a multi-incoming video call system and method for providing a call service more flexibly by processing both video and voice call processing.

The present invention provides a multi-incoming video call system and method capable of more efficient call processing by using a query request message to determine whether the receiving terminal supports video.

The present invention provides a multi-call video call system and method for determining the video support of the called terminal more quickly by operating the media information register to register / manage the media information of the called terminal.

The present invention provides a multi-incoming video call system and method for providing a wider range of services by providing both simultaneous and progressive incoming services.

Multi-call video call system according to an embodiment of the present invention is a multi-video call determination unit for determining whether to perform a multi-video call call processing using the incoming message received in response to a video call request from the mobile terminal to the VoIP terminal When the multi-video call call processing is performed as a result of the determination, the video call support terminal identification unit for identifying the video VoIP terminal supported by the video call using the invite message and the video between the video VoIP terminal and the mobile terminal And a call processing execution unit that performs call processing for the call.

According to an aspect of the present invention, the multi-video call determination unit processes a multi-video call call to the VoIP terminal using the invite message receiver and the invite message to receive an invite message from the call processing apparatus associated with the VoIP terminal. Determination unit for determining whether to perform.

According to an aspect of the present invention, when the video call support terminal identification unit performs the multi-video call call processing, the message transmission unit for transmitting a query request message to the VoIP terminal using the invite message, the VoIP And a message receiver for receiving a media information message corresponding to the query request message from a terminal, and an identification unit for identifying a video VoIP terminal supporting a video call among the VoIP terminals using the media information message.

In addition, according to one aspect of the present invention, the call processing execution unit sends an invite message for connecting a video call to the video VoIP terminal, and a video VoIP terminal responding to the invite message and the mobile terminal are mutually It includes a call connection for connecting a call for a video call to.

In addition, the multi-incoming video call system according to an embodiment of the present invention further includes a media information registration unit for registering / managing the media information of the VoIP terminal.

In addition, according to an embodiment of the present invention, when the video call support terminal identification unit performs the multi-video call call processing as a result of the determination, whether the VoIP call is supported by each of the VoIP terminals is sequentially identified using the invite message. It includes a sequential identification unit.

In addition, according to an embodiment of the present invention, the call processing execution unit responds to the invite message transmitter and the invite message to sequentially transmit an invite message for video call connection to a video VoIP terminal supporting the video call. A video VoIP terminal and a call connection unit for connecting a call for a video call between the mobile terminal.

In addition, in the multi-incoming video call method according to an embodiment of the present invention, determining whether to perform a multi-video call call processing using the invite message received in response to a video call call request from the mobile terminal to the VoIP terminal, the determination As a result, when performing the multi-video call call processing, identifying the video VoIP terminal that supports the video call using the invite message and performing the call processing for the video call between the video VoIP terminal and the mobile terminal. Steps.

In addition, the multi-call video call method according to an embodiment of the present invention further comprises the step of registering / managing the media information of the VoIP terminal.

The present invention provides a multi-incoming video call system and method that can perform call processing more flexibly by determining whether to perform video call call processing using control information included in an invite message received by a video call call request. can do.

The present invention can provide a multi-incoming video call system and method that can provide a more flexible call service by processing both video / voice call call processing.

The present invention can provide a multi-call video call system and method that can be more efficient call processing by using a query request message to determine whether or not the video support of the called terminal.

The present invention can provide a multi-call video call system and method that can determine the video support of the called terminal more quickly by operating the media information register to register / manage the media information of the called terminal.

The present invention can provide a multi-incoming video call system and method that can provide a variety of services by providing both services according to the simultaneous incoming and sequential incoming.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. In addition, a terminal widely used herein refers to a code division multiplexing access (CDMA) module, a Bluetooth module, such as a landline telephone, a personal digital assistant (PDA), a smart phone, a handheld PC, a mobile phone, and the like. A communication terminal having a predetermined computing power by having a predetermined communication module such as an infrared communication module (IrDA) and a wired / wireless LAN card, and having a predetermined microprocessor, and H.323, SIP, MGCP (Media Gateway Control Protocol), It is a concept that collectively refers to IP terminals supporting VoIP related protocols such as Megaco.

1 is a block diagram illustrating a multi-incoming video call system according to an embodiment of the present invention.

As illustrated in FIG. 1, the multi-call video calling system 100 may include a multi-video call determining unit 110, a video call supporting terminal identification unit 120, and a call processing execution unit 130.

The multi-video call determination unit 110 may determine whether to perform the multi-video call call processing using the invite message received in response to the video call request from the mobile terminal to the VoIP terminal. In addition, as illustrated in FIG. 1, the multi-video call determiner 110 may include an invite message receiver 111 and a determiner 112.

The invite message receiver 111 may receive an invite message from a call processing device associated with the VoIP terminal.

At this time, the call processing apparatus may determine whether to include the control information of the invite message according to the incoming path of the call request received for the voice / video call from the mobile terminal to the VoIP terminal.

The call processing apparatus may receive a call request from a predetermined gateway in response to a voice / video call request from the mobile terminal to the VoIP terminal. The call processing apparatus may determine an incoming path of the call request and determine whether to include control information in the invite message. For example, the call processing apparatus may include control information in the invite message to identify a VoIP terminal supporting video call among at least one incoming VoIP terminal and perform call processing for a call request received from a predetermined video gateway. You can. In this case, the control information may be included in a specific header of the invite message.

That is, when the call processing apparatus receives the call request from the predetermined incoming path, the call processing device may transmit an invite message including the control information to the video call system 100, and transmits the call request from the incoming path not determined previously. If received, an invite message including the same information as the general call may be transmitted to the video call system 100.

According to the related art, the video gateway must maintain a call until the VoIP terminal answers, and at this time, the VoIP terminal must keep transmitting the ringing tone. In addition, the video gateway determines whether the video call is possible according to the response of the VoIP terminal, and maintains the call when the VoIP terminal supports the video call, but disconnects the call when the VoIP terminal does not support the video call. Therefore, the VoIP terminal that does not support video is a problem that the call is disconnected the moment the user responds during the transmission of the ring tone. In other words, the video gateway performs inefficient call processing.

As a solution to the above problem, the call processing apparatus may determine whether to support the video call of the VoIP terminal, and if the video call is impossible, the call processing apparatus may transmit a video call impossible message to the video gateway. In this case, the call processing apparatus may interwork with the video call system 100 to determine whether the VoIP terminal supports the video call. That is, the call processing apparatus may transmit an invite message including the control information for determining whether to support the video call of the incoming VoIP terminal to the video call system 100, and the video call system corresponds to the control information. It is possible to determine whether to support the video call of the VoIP terminal.

In addition, the protocol used for transmitting and receiving messages between the call processing apparatus and the video call system 100 may be any protocol such as Diamater and Propriteary, in addition to SIP. In addition, an example of the video call system 100 may be a soft switch, a call session control function (CSCF), a SIP server, or an IP private exchange that handles / receives the VoIP terminal.

The determination unit 112 may determine whether to perform the multi-video call call processing for the VoIP terminal using the invite message. In detail, the determination unit 112 may determine whether to perform multi-video call call processing to the VoIP terminal according to whether control information is included in the invite message.

That is, when the control information is included in a predetermined header of the invite message, the determination unit 112 may determine whether the video call is supported for at least one multi-incoming VoIP terminal. However, when the control information is not included in a predetermined header of the invite message, the video call system 100 may perform general call processing. For example, if the control information is not included in the invite message, the video call system 100 may perform call processing for voice calls between the mobile terminal and the VoIP terminal.

When the video call support terminal identification unit 120 performs the multi-video call call processing as a result of the determination, the video call support terminal identification unit 120 may identify the video VoIP terminal supported by the video call using the invite message. In addition, as illustrated in FIG. 1, the video call support terminal identifier 120 may include a message transmitter 121, a message receiver 122, and an identifier 123.

The message transmitter 121 may transmit a query request message to the VoIP terminal using the invite message when performing the multi-video call call processing. In detail, the message transmitter 121 may detect at least one incoming VoIP terminal information using the invite message. In this case, the at least one destination VoIP terminal may be a group of VoIP terminals associated with the same destination number. That is, when a user requests a call by clicking the same number in the calling terminal, the call may be a plurality of VoIP terminals associated with the same number. For example, as illustrated in FIG. 1, "home", "office", "mobile phone", and "softphone" may all be VoIP terminals associated with the same number.

In addition, the message transmitter 121 may transmit a query request message to each of the VoIP terminals by using the incoming VoIP terminal information. In this case, the query request message may be simultaneously transmitted to each of the VoIP terminals. However, a predetermined time difference may exist according to the message processing order. The query request message may be a message regarding a request for media information, which is voice / video call support information of the VoIP terminal.

The message receiver 122 may receive a media information message corresponding to the query request message from the VoIP terminal. That is, the message receiver 122 may receive a media information message from the VoIP terminal in response to the query request message. At this time, the media information message may include media information of the VoIP terminal. The media information may be video / voice call support information of the VoIP terminal.

For example, referring to FIG. 1, the message transmitter 121 may transmit a query request message to four VoIP terminals that are multi-callers, and the message receiver 122 may receive a media information message from the four VoIP terminals. Can be received.

In addition, according to one side of the present invention, the query request message may be an option message. That is, the query request message may be an additional message used to determine whether the VoIP terminal supports the video call by distinguishing it from the message for the voice / video call connection between the mobile terminal and the VoIP terminal. However, the query request message may include any message in addition to the option message. In addition, the protocol used to transmit and receive the query request message and the media information message may be any protocol such as Diamater and Propriteary, in addition to SIP.

The identification unit 123 may identify the video VoIP terminal supporting the video call among the VoIP terminals using the media information message. In detail, the identification unit 123 may identify the video VoIP terminal supporting the video call among the VoIP terminals according to whether the media information of each of the VoIP terminals included in the media information message is voice / video.

That is, the identification unit 123 detects the media information of the VoIP terminal included in the media information message, determines whether each of the VoIP terminals supports voice / video call, and supports the video call among the VoIP terminals. The VoIP terminal can be identified.

For example, as shown in FIG. 1, "home", "mobile phone" of four VoIP terminals connected to and associated with four incoming VoIP terminals of "home", "office", "mobile phone", and "softphone". If the VoIP terminal supports the video call, the identification unit 123 may identify the VoIP terminal of the "home" and "mobile phone" as the video VoIP terminal using the media information.

Although not shown, when the identification unit 123 determines that the at least one VoIP terminal does not support the video call, the video call system 100 processes the call according to the transmission of the video call impossible message to the mobile terminal. Can be performed.

In detail, the video call system 100 may transmit a video call impossible message to the call processing apparatus when both of the VoIP terminals do not support the video call. In addition, the call processing apparatus that receives the video call unavailable message transmits a reason message to a mutual relay associated with the mobile terminal, thereby informing the user that the video call is impossible. Thereafter, the video call originating call of the mobile terminal may be released. In addition, according to one side of the present invention, the video call system 100 may perform a call connection for a voice call with the mobile terminal, if the video call is not possible with the VoIP terminal. In addition, an invite message according to a voice call request may be received from the mobile terminal.

The call processing unit 130 may perform call processing for the video call between the video VoIP terminal and the mobile terminal. In addition, as shown in FIG. 1, the call processing execution unit 130 may include an invite message transmitter 131 and a call connection unit 132.

The invite message transmitter 131 may transmit an invite message for connecting a video call to the video VoIP terminal. That is, the invite message transmitter 131 may transmit the invite message according to the video call call connection to each of the video VoIP terminals identified by the identifier 123.

The call connection unit 132 may connect a call for a video call between the video VoIP terminal responding to the invite message and the mobile terminal. That is, the call connection unit 132 may perform a call connection according to the transmission and reception of a message for a video call between the video VoIP terminal transmitting the response message to the invite message among the video VoIP terminals. In addition, the call connection unit 132 may perform a call release for the video VoIP terminal that does not respond to the invite message.

2 is a diagram illustrating an example of a call processing procedure according to the present invention.

As shown in FIG. 2, according to an embodiment of the present invention, a multi-telephony video call system may perform the present invention through call processing procedures 201 to 203. In addition, the call processing procedure of FIG. 2 may be performed by the video call system 100 shown in FIG. 1.

In the call processing procedure 201, the video call system may receive an invite message corresponding to a video call call request from the mobile terminal to at least one VoIP terminal from the call processing apparatus. In this case, the call processing apparatus may receive a video call call request from a video gateway and transmit the invite message to the video call system. In addition, when the video call system includes control information in the invite message, the video call system may perform a procedure for identifying whether the VoIP terminal supports video call. On the other hand, the video call system may perform general call processing when control information is not included in the invite message. The general call processing may be a call processing for voice call.

In the call processing procedure 202, the video call system may detect the incoming VoIP terminal information by using the invite message, and determine whether each of the incoming VoIP terminals supports the video call. In this case, the video call system may transmit a query request message for requesting media information of the VoIP terminal to each of the VoIP terminals, and receive a media information message corresponding to the query request message.

For example, as shown in FIG. 2, it may be identified that the terminal B and the terminal D support the video call among the terminals A to D using the media information message received from the receiving terminals A to D. FIG.

In the call processing procedure 203, the video call system may transmit an invite message corresponding to the video call to the video VoIP terminal supporting the video call among at least one incoming VoIP terminal. In addition, the video call system may perform a call connection according to the transmission and reception of a message for a video call between the video VoIP terminal and the mobile terminal to which the response message for the invite message among the video VoIP terminal. In addition, the video call system may perform call release for the unanswered video VoIP terminal. In addition, when at least one of the incoming VoIP terminals does not support the video call, the video call system may transmit a call termination message according to the video not supported to the mobile terminal.

For example, as shown in FIG. 2, the video call system may perform a video call call connection with a video VoIP terminal D which has transmitted a response message among the video VoIP terminals B and D. In addition, the video call system may perform call release for the terminal B that has not sent a response message.

3 is a block diagram illustrating a multi-incoming video call system according to an embodiment of the present invention.

As shown in FIG. 3, the multi-incoming video call system 300 includes a media information register 310, a multi-video call determination unit 320, a video call support terminal identification unit 330, and a call processing execution unit 340. It may include.

The media information register 310 may register / manage media information of the VoIP terminal. Specifically, the media information registration unit 310 transmits a media information query request message to the VoIP terminal, receives a media information message corresponding to the query request message from the VoIP terminal, and registers / manages media information of the VoIP terminal. can do.

That is, the video call system 300 transmits a query request message to the VoIP terminal every time an invite message is received in response to a video call request from the call processing apparatus, and distinguishes it from detecting media information of the VoIP terminal. The media information register 310 may be operated. In this case, the media information registration unit 310 may include a predetermined storage device that may register / manage media information of the VoIP terminal associated with the video call system 300.

In addition, an example of the video call system 300 may be a soft switch, a call session control function (CSCF), a SIP server, or an IP private exchange that handles / receives the VoIP terminal.

The multi-video call determination unit 320 may determine whether to perform the multi-video call call processing using the invite message received in response to the video call request from the mobile terminal to the VoIP terminal. Since the multi video call determination unit 320 operates in the same manner as the multi video call determination unit 110 described above with reference to FIG. 1, a description thereof will be omitted.

When the video call support terminal identification unit 330 performs the multi-video call call processing as a result of the determination, the video call support terminal identification unit 330 supports the video call among the VoIP terminals by using the media information of the VoIP terminal detected by the media information registration unit 310. The video VoIP terminal can be identified.

The call processing unit 340 may perform call processing for the video call between the video VoIP terminal and the mobile terminal. Since the call processing unit 340 operates in the same manner as the call processing unit 130 described above with reference to FIG. 1, a description thereof will be omitted.

In addition, the contents not described with reference to FIG. 3 are the same as already described with reference to FIG.

4 is a diagram illustrating an example of a call processing procedure according to the present invention.

As shown in FIG. 4, according to an embodiment of the present invention, a multi-telephony video call system may perform the present invention through call processing procedures 401 to 403. In addition, the call processing procedure of FIG. 4 may be performed by the video call system 300 shown in FIG. 3.

In a call processing procedure 401, the video call system may register / manage media information of a VoIP terminal associated with the video call system. At this time, the video call system may transmit a query request message about media information of the VoIP terminal to each of the VoIP terminals, and receive a media information message corresponding to the query request message.

For example, as shown in 4, the terminal B and the terminal D of the terminal A to the terminal D using the media information message received from the terminal A to the terminal D, the terminal supports the video call, the terminal A and the terminal C may identify and register / manage a terminal that does not support a video call.

In the call processing procedure 402, the video call system may receive an invite message corresponding to the video call call request from the mobile terminal to the at least one VoIP terminal from the call processing apparatus. At this time, the call processing apparatus may receive a video call call request from a video gateway and transmit the invite message to the video call system. In addition, when the video call system includes control information in the invite message, the video call system may perform a procedure for identifying whether the VoIP terminal supports video call. On the other hand, the video call system may perform general call processing when control information is not included in the invite message. The general call processing may be a call processing for voice call.

In the call processing procedure 403, the video call system may transmit an invite message corresponding to the video call to the video VoIP terminal supporting the video call among at least one incoming VoIP terminal. At this time, the video call system may identify the video VoIP terminal using media information of the VoIP terminal registered / managed in the call processing procedure 401.

In addition, the video call system may perform a call connection according to the transmission and reception of a message for a video call between the video VoIP terminal and the mobile terminal, which has transmitted a response message to the invite message among the video VoIP terminals. In addition, the video call system may perform a call release for a video VoIP terminal that does not respond to the invite message.

For example, as shown in FIG. 4, the video call system may perform a video call call connection with the video VoIP terminal D which has transmitted a response message among the video VoIP terminals B and D. In addition, the video call system may perform call release for the terminal B that has not sent a response message.

Figure 5 is a block diagram showing a multi-call video call system according to an embodiment of the present invention.

As illustrated in FIG. 5, the multi-call video call system 500 may include a multi-video call determination unit 510, a video call support terminal identification unit 520, and a call processing execution unit 530.

The multi-video call determination unit 510 may determine whether to perform the multi-video call call processing using the invite message received in response to the video call request from the mobile terminal to the VoIP terminal. Since the multi video call determination unit 510 operates in the same manner as the multi video call determination unit 110 described above with reference to FIG. 1, a description thereof will be omitted.

When the video call support terminal identification unit 520 performs the multi-video call call processing as a result of the determination, the video call support terminal identification unit 520 may identify the video VoIP terminal supported by the video call using the invite message. In addition, as shown in FIG. 5, the video call support terminal identification unit 520 may include a sequential identification unit 521 and a repeating identification unit 522.

When performing the multi-video call call processing as a result of the determination, the sequential identification unit 521 may sequentially identify whether the VoIP terminal supports each video call using the invite message. In detail, the sequential identification unit 521 transmits a query request message about media information to each of the VoIP terminals in a predetermined order, and uses each of the VoIP terminals by using the received media information message corresponding to the query request message. It can identify whether the video call is supported.

That is, the sequential identification unit 521 identifies the incoming VoIP terminal to which the query request message is to be transmitted using the invite message, and sends the query request message regarding the media information to the called VoIP terminal in a predetermined or random order. I can send it. In addition, the media information message corresponding to the query request message may be received from the incoming VoIP terminal. In addition, the sequential identification unit 521 analyzes the media information message to determine whether to support the video call of the VoIP terminal that has received the query request message, and then, depending on the predetermined order or random order, when the video call is not supported. The query request message can be transmitted to the target terminal.

When the video VoIP terminal does not respond to the invite message transmitted by the invite message transmitter 531, the repeating identifier 522 determines whether the video call is supported for the VoIP terminal which has not been identified. Can be identified sequentially. In more detail, the repetitive identification unit 522 may transmit the media information to each of the VoIP terminals that have not been previously identified in a predetermined order when the video VoIP terminal does not respond to the invite message transmitted by the invite message transmitter 531. It may be possible to transmit a query request message for and to identify whether each of the previously unidentified VoIP terminals support a video call using the media information message received in response to the query request message.

For example, the multi-incoming VoIP terminal included in the invite message received from the mobile terminal is the terminal A to the terminal D, the terminal B and the terminal D are the video call support terminal, and the order of determining the media information is determined in alphabetical order. In this case, the video call system 500 transmits and receives a query request message and a media information message according to the first order of the terminal A to identify that the terminal A is not a video call support terminal.

Thereafter, the video call system 500 transmits and receives a query request message and a media information message corresponding to the terminal B, which is the next order, to identify that the terminal B is a video call support terminal. As a result, the video call system 500 transmits the invite message corresponding to the video call to the terminal B which is the video VoIP terminal. In this case, when the terminal B responds to the invite message according to the video call, the mobile terminal and the terminal B may perform a video call call connection with each other. However, when the terminal B does not respond, the video call system 500 sequentially transmits and receives the query request message and the media information message with the terminal C and the terminal D.

The call processing unit 530 may perform call processing for the video call between the video VoIP terminal and the mobile terminal. In addition, as shown in FIG. 5, the call processing execution unit 530 may include an invite message transmitter 531 and a call connection unit 532.

The invite message transmitter 531 may transmit an invite message for connecting a video call to a video VoIP terminal supporting the video call. That is, the invite message transmitter 531 may transmit an invite message for video call call connection to the video VoIP terminal sequentially identified by the sequential identifier 521. In other words, the video call system 500 determines whether the video call is supported simultaneously with the incoming VoIP terminal, and simultaneously transmits an invite message for the video call call connection to the video VoIP terminal that supports the video call. In addition, the process of determining whether or not the incoming VoIP terminal supports the video call and transmitting the video call invite message to the video VoIP terminal that supports the video call may be sequentially performed for each VoIP terminal.

The call connection unit 532 may connect a call for a video call between the video VoIP terminal responding to the invite message and the mobile terminal. That is, the call connection unit 532 may perform a call connection between the video VoIP terminal transmitting the response message to the invite message among the video VoIP terminals and the mobile terminal according to the transmission and reception of a message for the video call. In addition, the call connection unit 532 may perform call release for the video VoIP terminal that does not respond to the invite message.

In addition, the contents not described with reference to FIG. 5 are the same as already described with reference to FIGS. 1 and 3, and thus will be omitted.

6 is a diagram illustrating an example of a call processing procedure according to the present invention.

As shown in FIG. 6, according to an embodiment of the present invention, a multi-telephony video call system may perform the present invention through a call processing procedure 601 and a procedure 602. In addition, the call processing procedure of FIG. 6 may be performed by the video call system 500 shown in FIG. 5.

In the call processing procedure 601, the video call system may receive an invite message corresponding to a video call call request from the mobile terminal to at least one VoIP terminal from the call processing apparatus. In this case, the call processing apparatus may receive a video call call request from a video gateway and transmit the invite message to the video call system. In addition, when the video call system includes control information in the invite message, the video call system may perform a procedure for identifying whether the VoIP terminal supports video call. On the other hand, the video call system may perform general call processing when control information is not included in the invite message. The general call processing may be a call processing for voice call.

In the call processing procedure 602, the video call system identifies the incoming VoIP terminal to which the query request message is to be transmitted using the invite message, and inquires about the media information to the incoming VoIP terminal according to a predetermined order or a random order. The request message can be sent. In addition, the video call system may receive a media information message corresponding to the query request message from the incoming VoIP terminal.

In addition, the video call system analyzes the media information message to determine whether to support the video call of the VoIP terminal that has received the query request message, and, in the case of the video call support terminal, to connect the video call to the received VoIP terminal. You can send an invite message. However, when the received VoIP terminal is a video call unsupported terminal, the query request message may be transmitted to another target terminal according to the predetermined order or random order.

For example, as shown in FIG. 6, the video call system performs sequential message transmission and reception with terminals A to D, and thus, between the terminal C and the mobile terminal responding to the invite message for video call connection. Call connection can be performed.

7 is a block diagram illustrating a multi-incoming video call system according to an embodiment of the present invention.

As shown in FIG. 7, the multi-incoming video call system 700 includes a media information register 710, a multi-video call determination unit 720, a video call support terminal identification unit 730, and a call processing execution unit 740. It may include.

The media information registration unit 710 may register / manage media information of the VoIP terminal. Since the media information register 710 operates in the same manner as the media information register 310 described above with reference to FIG. 3, a description thereof will be omitted.

The multi-video call determination unit 720 may determine whether to perform the multi-video call call processing using the invite message received in response to the video call request from the mobile terminal to the VoIP terminal. Since the multi video call determination unit 720 operates in the same manner as the multi video call determination unit 110 described above with reference to FIG. 1, a description thereof will be omitted.

When the video call support terminal identification unit 730 performs the multi-video call call processing as a result of the determination, the video VoIP support video call is supported among the VoIP terminals by using the media information of the VoIP terminal detected by the media information registration unit. The terminal can be identified. Since the video call support terminal identification unit 730 operates in the same manner as the video call support terminal identification unit 330 described above with reference to FIG. 3, a description thereof will be omitted.

The call processing execution unit 740 may perform call processing for the video call between the video VoIP terminal and the mobile terminal. As shown in FIG. 7, the call processing execution unit 740 may include an invite message transmitter 741, a call connection unit 742, and a repetitive transmitter 743.

The invite message transmitter 741 may sequentially transmit an invite message for connecting a video call to a video VoIP terminal supporting the video call. In detail, the invite message transmitter 531 may sequentially transmit an invite message for connecting a video call to a video VoIP terminal identified simultaneously or sequentially by the video call support terminal identifier 730.

The call connection unit 742 may connect a call for a video call between the video VoIP terminal responding to the invite message and the mobile terminal. That is, the call connection unit 532 may perform a call connection between the video VoIP terminal transmitting the response message to the invite message among the video VoIP terminals and the mobile terminal according to the transmission and reception of a message for the video call. In addition, the call connection unit 532 may perform call release for the video VoIP terminal that does not respond to the invite message.

When the video VoIP terminal receiving the invite message does not respond, the repeater transmitter 743 may sequentially transmit the invite message to the video VoIP terminal not previously transmitted. That is, the repetitive transmitter 743 may sequentially transmit the invite message to the video VoIP terminal that does not receive the invite message from the invite message transmitter 741.

In addition, the contents not described with reference to FIG. 7 are the same as already described with reference to FIGS. 1, 3, and 5, and thus will be omitted below.

8 is a diagram illustrating an example of a call processing procedure according to the present invention.

As shown in FIG. 8, according to an embodiment of the present invention, the multi-call video calling system may perform the present invention through call processing procedures 801 to 803. In addition, the call processing procedure of FIG. 8 may be performed by the video call system 700 shown in FIG. 7.

In the call processing procedure 801, the video call system may register / manage media information of the VoIP terminal associated with the video call system. In this case, the video call system may transmit a query request message for requesting media information of the VoIP terminal to each of the VoIP terminals, and receive a media information message corresponding to the query request message.

For example, as shown in FIG. 8, the terminal B and the terminal D of the terminals A to D are the terminals supporting the video call, using the media information message received from the terminal A to the terminal D, and the terminal A and the terminal. C may be identified and registered / managed as a terminal supporting voice call.

In a call processing procedure 802, the video call system may receive an invite message corresponding to a video call call request from a mobile terminal to at least one VoIP terminal from a call processing device. In this case, the call processing apparatus may receive a video call call request from a video gateway and transmit the invite message to the video call system. In addition, when the video call system includes control information in the invite message, the video call system may perform a procedure for identifying whether the VoIP terminal supports video call. On the other hand, the video call system may perform general call processing when no control information is included in the invite message. The general call processing may be a call processing for voice call.

In the call processing procedure 803, the video call system may sequentially transmit an invite message for connecting a video call to a video VoIP terminal supporting the video call. At this time, the video call system may identify the video VoIP terminal using media information of the VoIP terminal registered / managed in the call processing procedure 801.

In addition, the video call system may perform a call connection according to the transmission and reception of a message for a video call between the video VoIP terminal and the mobile terminal, which has transmitted a response message to the invite message among the video VoIP terminals. In addition, the video call system may release a call to a video VoIP terminal that does not respond to the invite message, and sequentially transmit the invite message to another VoIP terminal.

For example, as shown in FIG. 8, the video call system first transmits an invite message for video call call connection to the video VoIP terminal B, and when the terminal B does not respond, performs a call release with the terminal B. FIG. The invite message can be transmitted to another video VoIP terminal D.

9 is a flowchart illustrating a multi-call video calling method according to an embodiment of the present invention.

As shown in FIG. 9, the multi-call video calling method may be performed in steps S901 through S903. Also, step S901 to step S903 may be performed by the multi-incoming video call system.

In operation S901, the video call system may determine whether to perform multi-video call call processing using an invite message received in response to a video call call request from the mobile terminal to the VoIP terminal.

In operation S901, a step (not shown) of receiving an invite message from a call processing device associated with the VoIP terminal and determining whether to perform a multi-video call call processing to the VoIP terminal using the invite message is performed. It may be performed in a step (not shown). At this time, the call processing apparatus may determine whether to include the control information of the invite message according to the incoming path of the call request received for the voice / video call from the mobile terminal to the VoIP terminal. In addition, the control information may be included in a specific header of the invite message.

The determining of whether to perform the multi-video call call processing to the VoIP terminal using an invite message may include performing the multi-video call call processing to the VoIP terminal according to whether control information is included in the invite message. It can be determined whether or not to perform.

In step S902, when the video call system performs the multi-video call call processing, the video call system may identify the video VoIP terminal supported by the video call using the invite message.

In operation S902, when the multi-video call call processing is performed, the query request message is transmitted to the VoIP terminal using the invite message (not shown). Receiving a media information message corresponding to a request message (not shown) and identifying a video VoIP terminal supporting a video call among the VoIP terminals using the media information message (not shown). have.

At this time, in the step of identifying the video VoIP terminal that supports the video call of the VoIP terminal by using the media information message, the video call system, the media information of each of the VoIP terminal included in the media information message is voice / video The video VoIP terminal supporting the video call can be identified among the VoIP terminals according to the recognition.

In operation S903, the video call system may perform call processing for the video call between the video VoIP terminal and the mobile terminal.

In operation S903, a step (not shown) of transmitting an invite message for a video call call connection to the video VoIP terminal and a video call between the video VoIP terminal and the mobile terminal responsive to the invite message are performed. Connecting to a call for (not shown) can be performed.

In addition, according to an embodiment of the present invention with reference to FIG. 9, in step S902, when performing the multi-video call call processing, whether the VoIP call is supported by each of the VoIP terminals is determined using the invite message. It may be performed by the step of sequentially identifying (not shown). In this case, when the multi-video call call processing is performed, the video call system sequentially identifies whether the VoIP call is supported by each of the VoIP terminals using the invite message. A query request message regarding media information may be transmitted to each of the VoIP terminals, and the media information message received in response to the query request message may be used to identify whether each of the VoIP terminals supports a video call.

Further, according to an embodiment of the present invention with reference to FIG. 9, step S903 is a step of transmitting an invite message for a video call call connection to a video VoIP terminal supporting a video call (not shown). A video VoIP terminal responding to the message and the mobile terminal may connect a call for a video call to each other (not shown).

According to one aspect of the present invention, if the video VoIP terminal receiving the invite message does not respond, the video call system sequentially determines whether to support the video call for the VoIP terminal which is not identified among the VoIP terminals. Can be identified. More specifically, when the video VoIP terminal receiving the invite message does not respond, the video call system transmits a query request message about media information to each of the VoIP terminals which have not been identified in a predetermined order. The media information message received in response to the query request message may be used to identify whether each of the previously unidentified VoIP terminals support a video call.

10 is a flowchart illustrating a multi-call video calling method according to an embodiment of the present invention.

As shown in FIG. 10, the multi-call video calling method may be performed in steps S1001 to S1004. Also, steps S1001 to S1004 may be performed by a multi-telephone video calling system.

In step S1001, the video call system may register / manage media information of the VoIP terminal. Specifically, in step S1001, the video call system transmits a media information query request message to the VoIP terminal, receives a media information message corresponding to the query request message from the VoIP terminal, and registers media information of the VoIP terminal. Can be managed

In operation S1002, the video call system may determine whether to perform multi-video call call processing using an invite message received in response to a video call request from the mobile terminal to the VoIP terminal. In addition, since the operation (S1002) is the same as the operation (S901) described above, it will not be repeated.

In operation S1003, when the video call system performs the multi-video call call processing, the video call system may identify the video VoIP terminal supported by the video call using an invite message. Specifically, in step S1003, when the video call system performs the multi-video call call processing, the video call system supports the video call among the VoIP terminals by using the media information of the VoIP terminal detected by the media information register. The video VoIP terminal can be identified.

In step S1004, the video call system may perform a call processing for a video call between the video VoIP terminal and the mobile terminal. In addition, since this step (S1004) operates in the same manner as the above-described step (S903) it will not be repeated.

In addition, according to an embodiment of the present invention with reference to FIG. 10, in step S1004, the video call system sequentially transmits an invite message for video call call connection to a video VoIP terminal supporting the video call. The video VoIP terminal responding to the invite message and the mobile terminal may connect a call for a video call.

At this time, in step S1004, when the video VoIP terminal receiving the invite message does not respond, the video call system may sequentially transmit the invite message to the video VoIP terminal not previously transmitted.

The multi-telephony video call method according to the present invention can be implemented in the form of program instructions that can be executed by various computer means and recorded on a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine code, such as produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above embodiments, and those skilled in the art to which the present invention pertains various modifications and variations from such descriptions. This is possible.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below but also by the equivalents of the claims.

1 is a block diagram illustrating a multi-incoming video call system according to an embodiment of the present invention.

2 is a diagram illustrating an example of a call processing procedure according to the present invention.

3 is a block diagram illustrating a multi-incoming video call system according to an embodiment of the present invention.

4 is a diagram illustrating an example of a call processing procedure according to the present invention.

5 is a block diagram illustrating a multi-incoming video call system according to an embodiment of the present invention.

6 is a diagram illustrating an example of a call processing procedure according to the present invention.

7 is a block diagram illustrating a multi-incoming video call system according to an embodiment of the present invention.

8 is a diagram illustrating an example of a call processing procedure according to the present invention.

9 is a flowchart illustrating a multi-call video calling method according to an embodiment of the present invention.

10 is a flowchart illustrating a multi-call video calling method according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: Multi-incoming video call system

110: multi video call determination unit

120: video call support terminal identification unit

130: call processing execution unit

Claims (37)

A multi video call determination unit for determining whether to perform multi video call call processing using an invite message received in response to a video call request from a mobile terminal to a VoIP terminal; A video call support terminal identification unit for identifying a video VoIP terminal supported by a video call using the invite message when performing the multi-video call call processing; And Call processing unit for performing a call processing for the video call between the video VoIP terminal and the mobile terminal Including, The video call support terminal identification unit, A message transmitter for transmitting a query request message to the VoIP terminal using the invite message when performing the multi-video call call processing; A message receiver configured to receive a media information message corresponding to the query request message from the VoIP terminal; And Identification unit for identifying the video VoIP terminal that supports the video call of the VoIP terminal by using the media information message Multi incoming video call system comprising a. The method of claim 1, The multi video call determination unit, An invite message receiving unit for receiving an invite message from a call processing device associated with the VoIP terminal; And Determination unit for determining whether to perform a multi-video call call processing to the VoIP terminal using the invite message Multi incoming video call system comprising a. The method of claim 2, The call processing device, And determining whether to include control information of the invite message according to an incoming path of a call request received for a voice / video call from a mobile terminal to a VoIP terminal. The method of claim 3, The control information, Multi-incoming video call system, characterized in that included in the specific header of the invite message. The method of claim 2, The determination unit, And determining whether to perform a multi-video call call processing for the VoIP terminal according to whether control information is included in the invite message. delete The method of claim 1, The identification unit, And a video VoIP terminal supporting a video call among the VoIP terminals according to whether the media information of each of the VoIP terminals included in the media information message is voice / video. The method of claim 1, The call processing execution unit, An invite message transmitter for transmitting an invite message for a video call call connection to the video VoIP terminal; And Call connection unit for connecting a call for a video call between the video VoIP terminal and the mobile terminal in response to the invite message Multi incoming video call system comprising a. The method of claim 1, Media information register to register / manage media information of VoIP terminal Multi-incoming video call system further comprising. 10. The method of claim 9, The media information registration unit, Sending a media information query request message to the VoIP terminal, receiving a media information message corresponding to the query request message from the VoIP terminal, and registers / manages media information of the VoIP terminal. . 10. The method of claim 9, The video call support terminal identification unit, When the multi-video call call processing is performed as a result of the determination, the video call terminal supporting the video call is identified among the VoIP terminals by using the media information of the VoIP terminal detected by the media information register. Video call system. The method of claim 1, The video call support terminal identification unit, As a result of the determination, when performing the multi-video call call processing, a sequential identification unit sequentially identifying whether each VoIP terminal supports the video call using the invite message. Multi incoming video call system comprising a. The method of claim 12, The sequential identification unit, Sending a query request message about media information to each of the VoIP terminals in a predetermined order, and identifying whether each VoIP terminal supports a video call by using the received media information message corresponding to the query request message. Multi-incoming video call system. The method of claim 12, The call processing execution unit, An invite message transmitter for transmitting an invite message for connecting a video call to a video VoIP terminal supporting a video call; And Call connection unit for connecting a call for a video call between the video VoIP terminal and the mobile terminal in response to the invite message Multi incoming video call system comprising a. The method of claim 14, The video call support terminal identification unit, If the video VoIP terminal receiving the invite message does not respond, a repeating identification unit sequentially identifying whether the video call is supported for the VoIP terminal which is not previously identified among the VoIP terminals. Multi-incoming video call system further comprising. The method of claim 15, The repeat identification unit, If the video VoIP terminal receiving the invite message does not respond, the query request message regarding the media information is transmitted to each of the unidentified VoIP terminals in a predetermined order and received in response to the query request message. Multi-incoming video call system, characterized by identifying whether each of the previously identified VoIP terminal supports a video call using a media information message. The method of claim 10, The call processing execution unit, An invite message transmitter for sequentially transmitting an invite message for video call call connection to a video VoIP terminal supporting video call; And Call connection unit for connecting a call for a video call between the video VoIP terminal and the mobile terminal in response to the invite message Multi incoming video call system comprising a. The method of claim 17, The call processing execution unit, If the video VoIP terminal receiving the invite message does not respond, a repeating transmitter for sequentially transmitting the invite message to the video VoIP terminal not previously transmitted Multi-incoming video call system further comprising. Determining whether to perform multi-video call call processing using an invite message received in response to a video call request from the mobile terminal to the VoIP terminal; When the multi-video call call processing is performed as a result of the determination, identifying the video VoIP terminal supported by the video call using the invite message; And Performing call processing for the video call between the video VoIP terminal and the mobile terminal; Including, When the multi-video call call processing is performed as a result of the determination, the step of identifying the video VoIP terminal supported by the video call using the invite message, Transmitting a query request message to the VoIP terminal using the invite message when performing the multi-video call call processing; Receiving a media information message corresponding to the query request message from the VoIP terminal; And Identifying a video VoIP terminal supporting a video call among the VoIP terminals by using the media information message; Multi-incoming video call method comprising a. The method of claim 19, The step of determining whether to perform a multi-video call call processing using the invite message received in response to a video call call request from the mobile terminal to the VoIP terminal, Receiving an invite message from a call processing device associated with the VoIP terminal; And Determining whether to perform a multi video call call processing using the invite message to the VoIP terminal; Multi-incoming video call method comprising a. The method of claim 20, The call processing device, And determining whether to include the control information of the invite message according to an incoming path of a call request received for a voice / video call from a mobile terminal to a VoIP terminal. The method of claim 21, The control information, Multi-incoming video call method, characterized in that included in the specific header of the invite message. The method of claim 20, The step of determining whether to perform a multi-video call call processing to the VoIP terminal using an invite message, And determining whether to perform a multi-video call call processing for the VoIP terminal according to whether the invite message includes control information. delete The method of claim 19, The step of identifying the video VoIP terminal that supports the video call of the VoIP terminal by using the media information message, And identifying the video VoIP terminal supporting the video call among the VoIP terminals according to whether the media information of each of the VoIP terminals included in the media information message is voice / video. The method of claim 19, The step of performing a call processing for a video call between the video VoIP terminal and the mobile terminal, Transmitting an invite message for connecting a video call to the video VoIP terminal; And Connecting a call for a video call between the video VoIP terminal and the mobile terminal in response to the invite message; Multi-incoming video call method comprising a. The method of claim 19, Step of registering / managing media information of VoIP terminal Multi-incoming video call method further comprising. The method of claim 27, The step of registering / managing the media information of the VoIP terminal, Sending a media information query request message to the VoIP terminal, receiving a media information message corresponding to the query request message from the VoIP terminal, and registers / manages the media information of the VoIP terminal. Way. The method of claim 27, In the case where the multi-video call call processing is performed as a result of the determination, the step of identifying the video VoIP terminal supported by the video call using an invite message may include: When the multi-video call call processing is performed as a result of the determination, the video call terminal supporting the video call is identified among the VoIP terminals by using the media information of the VoIP terminal detected by the media information register. Video call method. The method of claim 19, In the case where the multi-video call call processing is performed as a result of the determination, the step of identifying the video VoIP terminal supported by the video call using an invite message may include: Sequentially determining whether the VoIP terminal supports video calls using the invite message when performing the multi-video call call processing. Multi-incoming video call method comprising a. 31. The method of claim 30, The step of sequentially identifying whether each of the VoIP terminal supports the video call, Sending a query request message about media information to each of the VoIP terminals in a predetermined order, and identifying whether each VoIP terminal supports a video call by using the received media information message corresponding to the query request message. Multi-incoming video call method. 31. The method of claim 30, The step of performing a call processing for a video call between the video VoIP terminal and the mobile terminal, Transmitting an invite message for connecting a video call to a video VoIP terminal supporting the video call; And Connecting a call for a video call between the video VoIP terminal and the mobile terminal in response to the invite message; Multi-incoming video call method comprising a. 33. The method of claim 32, In the case where the multi-video call call processing is performed as a result of the determination, the step of identifying the video VoIP terminal supported by the video call using an invite message may include: If the video VoIP terminal receiving the invite message does not respond, step of sequentially identifying whether or not the video call support for the VoIP terminal not identified among the VoIP terminal Multi-incoming video call method further comprising. 34. The method of claim 33, The step of sequentially identifying whether or not the video call support for the VoIP terminal that is not previously identified, If the video VoIP terminal receiving the invite message does not respond, the query request message regarding the media information is transmitted to each of the unidentified VoIP terminals in a predetermined order and received in response to the query request message. And a video call of each of the previously unidentified VoIP terminals is identified using a media information message. The method of claim 28, The step of performing a call processing for a video call between the video VoIP terminal and the mobile terminal, Sequentially transmitting an invite message for a video call call connection to a video VoIP terminal supporting the video call; And Connecting a call for a video call between the video VoIP terminal responding to the invite message and the mobile terminal; Multi-incoming video call method comprising a. 36. The method of claim 35 wherein The step of performing a call processing for a video call between the video VoIP terminal and the mobile terminal, If the video VoIP terminal receiving the invite message does not respond, transmitting the invite message to the video VoIP terminal not previously transmitted Multi-incoming video call method further comprising. A computer-readable recording medium having recorded thereon a program for executing the method of any one of claims 19-23 and 25-36.

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