KR20230027398A - Video Call Server System, System And Method For Video Call - Google Patents

Abstract

The present invention relates to a video call server system, and a video call system and method. According to one aspect of the present invention, in a video call server system that performs a video call between a user's mobile terminal connected to a voice call and a counselor's video phone terminal, a first session connection between the mobile terminal and the video phone terminal is maintained to connect the voice call. Separately from a first session, a web video signal is received from the mobile terminal through a second session connected to the mobile terminal. After integrating the received video signal into the first session, the same is transmitted to the video phone terminal along with a mobile voice signal to perform an integrated video call with voice and video calls. In addition, a video call system including the video call server system and a video call method are proposed.

Description

Video Call Server System, System And Method For Video Call}

The present invention relates to a video call server system and a video call system and method.

The call center of the prior art is a telephone work space for handling tasks such as order reception, charge inquiry, complaint reception, and customer support, and is often an automatic response system (ARS, Auto Response System) and a voice mailbox (VMS, Voice Mail Serve) It was built using the IVR (Interactive Voice Response) system that contains the function.

Since then, as call centers have used Computer Telephony Integration (CTI) technology, which is a technology for linking telephone exchanges and computers, calls and data can be managed at the same time.

For example, when a call is connected, information related to the identity of the caller appears on the PC of the call center agent.

The construction of such a CTI call center is done by connecting a private branch exchange (PBX) with an automatic call distribution (ACD) function and a CTI server through a CTI link. It consists of a client/server type that integrates and manages an automatic response system (IVR, Interactive Voice Response, or ARS system), fax server, existing system and database as clients.

While conventional call centers support only simple voice calls in circuit-switched systems using circuit networks, CTI call centers are Internet Protocol (IP)-based call centers that operate on VoIP (Voice over VoIP). It is also called an IP contact center because it can support various communication functions through the Internet, such as IP), e-mail, and fax.

Recently, as the spread of smart phones has become generalized and their performance has been strengthened, mobile communication terminals are used for games, portal searches, financial transactions, cameras, media players, etc.

In order to utilize such powerful functions and usability of mobile communication terminals in the field of call centers, a technology is being implemented that allows customers to check consultation contents through video as well as voice.

These video customer center services and video call services with counselors maximize the efficiency of consultation and shorten the consultation time.

However, depending on the smartphone operating system adopted, there are cases in which video calls are not possible and only voice calls are possible using the phone number method.

For example, in the case of a smartphone whose operating system is Android, video call is possible using the phone number method, so there is no problem in using the video call service for reporting and handling accidents. Since calls are impossible, there is a problem in that calls must be made to report and handle accidents only through voice calls.

Therefore, there is a demand for the development of a new technology that enables a video call service for reporting and handling accidents regardless of the operating system of the smartphone.

Republic of Korea Patent Publication No. 10-2017-0019981 Republic of Korea Patent No. 10-1410464 Republic of Korea Patent Publication No. 10-2013-0020785

The present invention is to solve the problems of the video customer center service technology of the prior art, which is the same as a video call connected by a phone number method by separately connecting a video call by a Web method while making a voice call by the phone number method. An object of the present invention is to provide a system and method for integrating a telephone number method voice call and a web method video call that provide call service into one video call call.

The present invention integrates two call methods (voice and video) for a video call by a person with an iPhone whose operating system is iOS, so that the user on the other end can conveniently make a call with one video call (voice + video) Its purpose is to provide a system and method for integrating a phone number-based voice call and a web-based video call into one video call.

In the present invention, after receiving a voice accident, the PC video phone terminal performs callback outbound video call processing (PSTN + Web) to connect the VOLTE / PSTN voice call (no video) from the PC video phone terminal to the iPhone, and the Web browser video call ( No voice) by integrating incoming calls into one video call (voice + video) to enable video call service for reporting and handling accidents regardless of the operating system of the smartphone, phone number method voice call and web method video call Its purpose is to provide a system and method for integrating into one video call.

The present invention is a phone number that enables communication by making a PSTN voice call and a Web video call received from a telecommunications company into one video call by receiving an accident with voice IP-PBX interlocking voice and directly connecting to a video call (PSTN + Web) An object of the present invention is to provide a system and method for integrating a web-based video call into a single video call.

Other objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned above will be clearly understood by those skilled in the art from the description below.

In order to achieve the above object, according to one aspect of the present invention, in a video call server system that performs a video call between a mobile terminal of a user connected to a voice call and a video phone terminal of a counselor, in order to connect a voice call Maintaining the first session connection between the mobile terminal and the video phone terminal, receiving a web (Web) video signal from the mobile terminal through a second session connected to the mobile terminal separately from the first session, and transmitting the received video signal to the first session. A video call server system is proposed which is integrated into a session and transmitted to a video phone terminal together with a mobile voice signal to perform an integrated video call of a voice call and a video call.

At this time, the video call server system extracts a voice media description signal for the mobile voice signal in the first session, extracts a video media description signal for the web video signal received from the mobile terminal through the second session, and extracts the protocol of the first session. The individual media description signals extracted by changing the characteristics are integrated into the integrated session signal of the first session, transmitted to the video phone terminal through the first session, and integrated video calls can be performed.

In addition, at this time, the video call server system receives at least the video phone audio signal and the session integration signal of a plurality of individual media including the video phone video signal through the first session from the video phone terminal, and receives the remaining individual media signals excluding the video phone audio signal. It is separated and processed from the first session, and the remaining separated individual media signals are transmitted to the mobile terminal through the second session, and the plurality of individual media are the video phone video signal and the video phone audio signal, or the video phone video signal and the video phone audio signal. and video phone text signals.

In another example, the video call server system includes a Web-RTC server and a call processing server, and the Web-RTC server is configured for a web video signal received from a mobile terminal through a second session of a web protocol method. The video media description signal is extracted and the web video signal is provided to the call processing server in the protocol method of the first session, and the call processing server extracts the audio media description signal for the mobile voice signal from the voice call in the first session. By changing the protocol characteristics of the session, the audio media description signal and the visual media description signal may be combined into a session integration signal of the first session and transmitted to the video phone terminal through the first session.

In addition, in one example, the video call server system integrates the web video signal received from the mobile terminal connected to the second session through the URL of the URL text message into the first session and transmits it to the video phone terminal together with the mobile voice signal, , The first session is connected to the mobile terminal according to the voice call callback connection from the video phone terminal or distributed through the IP-PBX server according to the voice call connection request from the mobile terminal and connected to the video phone terminal, and the mobile terminal is connected to the VoLTE video If the call is blocked or is not supported by the terminal, the URL text message may be transmitted from the video phone terminal or according to the request of the video phone terminal.

Next, in order to achieve the above object, according to another aspect of the present invention, in a video call system for performing a video call between a user's mobile terminal connected to a voice call and a counselor's video phone terminal, the mobile terminal and A video call server system according to any one of the above-described inventions for performing a video call between video phone terminals; and an SMS server that transmits a URL text message to the mobile terminal at the request of the video phone terminal so that a second session is connected between the mobile terminal and the video call server system, wherein the first session connects the voice call callback from the video phone terminal. According to the connection with the mobile terminal or according to the voice call connection request from the mobile terminal, it is distributed through the IP-PBX server and connected to the video phone terminal, and the video call server system is connected through the URL access of the URL text message in the mobile terminal. A video communication system is proposed that receives a non-voice web video signal from a mobile terminal through two sessions, and the mobile terminal is a terminal that is blocked or does not support VoLTE video calls.

In addition, in order to achieve the above object, according to another aspect of the present invention, a voice call is maintained as a first session through a video call server system between a user's mobile terminal and an agent's video phone terminal. connection step; A web video receiving step of receiving a web video signal from a mobile terminal through a second session connected between the mobile terminal and the video call server system separately from the first session; and a video call performing step of integrating the web video signal received through the second session in the video call server system into the first session and transmitting the video call together with the mobile voice signal to the video phone terminal so as to perform an integrated video call of voice call and video call. A video call method comprising a is proposed.

At this time, in one example, the step of performing the video call: extracting a voice media description signal for the mobile voice signal in the first session in the video call server system and video for the web video signal received from the mobile terminal through the second session a media description signal extraction step of extracting a media description signal; And in the video call server system, the audio media description signal and the video media description signal, which are individual signals extracted by changing the protocol characteristics of the first session, are combined into a session integration signal of the first session and transmitted to the video phone terminal through the first session. and a session processing step of performing an integrated video call.

Also, in one example, the mobile terminal is a terminal for which VoLTE video calls are blocked or not supported, and in the voice call connection step, the mobile terminal is connected according to the voice call callback connection from the video phone terminal, or the mobile terminal responds to a voice call connection request. It is distributed through the IP-PBX server and connected to the video phone terminal, and the first session is connected. In the web video reception step, the web video signal of no voice is received from the mobile terminal connected to the second session through the URL of the URL text message. The URL text message may be transmitted from the video phone terminal or according to a request of the video phone terminal.

According to one embodiment of the present invention, a system and method for integrating a phone number-based voice call and a web-based video call into a single video call have the following effects.

First, it is possible to provide a video call service as if one video call was connected in the phone number method by separately connecting a video call in the Web method while making a voice call in the phone number method.

Second, a person with an iPhone operating system iOS integrates two call methods (voice and video) for a video call, so that the user on the other end can conveniently make a call with one video call (voice + video).

Third, after receiving the voice accident, the PC video phone terminal performs callback outbound video call processing (PSTN + Web) to connect the VOLTE/PSTN voice call (no video) from the PC video phone terminal to the iPhone, and the Web browser video call (voice None) By integrating incoming calls into one video call (voice + video), video call service for reporting and handling accidents is possible regardless of the operating system of the smartphone.

Fourth, voice IP-PBX interlocking voice accident registration and direct connection to video call (PSTN + Web), PSTN voice call and Web video call from telecommunication company are made into one video call so that the call can be made.

It is obvious that various effects not directly mentioned according to various embodiments of the present invention can be derived from various configurations according to embodiments of the present invention by those skilled in the art.

1 is a configuration diagram schematically showing the concept of a video call server system or a video call system according to one example of the present invention.
2 is a schematic configuration diagram of a video call system according to an example of the present invention.
3 is a schematic configuration diagram of a video call system according to another example of the present invention.
4A and 4B are schematic configuration diagrams of a video call server system according to one example of the present invention.
5 is a schematic configuration diagram of a video call server system according to another example of the present invention.
6 is a schematic configuration diagram of a video call server system according to another example of the present invention.
7 is a schematic configuration diagram of a video call system according to an example of the present invention.
8 is a schematic flowchart illustrating a video call method according to an example of the present invention.
9 is a schematic flowchart illustrating a video call method according to another example of the present invention.
10 is a schematic flowchart illustrating a video call method according to another example of the present invention.

Embodiments of the present invention for achieving the above object will be described with reference to the accompanying drawings. In the present description, the same reference numerals denote the same components, and sub-descriptions may be omitted in order to promote understanding of the present invention to those skilled in the art.

In this specification, unless there is a limitation that one component is 'directly' in a connection, combination, or arrangement relationship with another component, not only in the form of 'direct connection, combination, or arrangement', but also by interposing another component between them. It may also exist in the form of being connected, coupled or arranged.

In this specification, descriptions such as 'comprising' and 'comprising of' should be understood as the possibility of the presence or addition of one or more other elements or combinations thereof.

Hereinafter, embodiments of a video call server system according to one aspect of the present invention will be described in detail with reference to the drawings. In addition, FIGS. 2, 3 and 7 for a video call system to be described below are referenced to understand the video call server system according to one example of the present invention.

1 is a configuration diagram schematically showing the concept of a video call server system or a video call system according to one example of the present invention. 4A and 4B are schematic configuration diagrams of a video call server system according to one example of the present invention, and FIG. 5 is a schematic configuration diagram of a video call server system according to another example of the present invention. is a schematic configuration diagram of a video call server system according to another example of the present invention.

Referring to FIGS. 4A to 6, according to an example, a video call server system 410 for performing a video call between a user's mobile terminal 100 connected to a voice call and a counselor's video phone terminal 300 will be described. see. At this time, the video call server system 410 maintains the first session connection between the mobile terminal 100 and the video phone terminal 300 for voice call connection, and is connected to the mobile terminal 100 separately from the first session. Receives a web video signal from the mobile terminal 100 through the second session, integrates the received video signal into the first session, and transmits it to the video phone terminal 300 together with the mobile voice signal, and then transmits the voice call and the video call. Make integrated video calls.

For example, the mobile terminal 100 may be a terminal in which VoLTE video calls are blocked or not supported. For example, the iPhone, whose operating system is iOS, does not support VoLTE video calls, so it is often inconvenient when video calls are needed in emergency situations. In the case of such an iPhone, according to an embodiment of the present invention, web video signals are integrated through the first session of the existing connected voice call, so that, for example, the counselor can receive the combined voice and video signal through one session and perform a video call. there will be

For example, the video phone terminal 300 may be a terminal capable of video and voice calls used by counselors in a call center or the like.

Referring to FIGS. 4A and 4B, for example, a first session is connected to the mobile terminal 100 according to a voice call callback connection from the video phone terminal 300 (see FIG. 4A) or a voice call connection from the mobile terminal 100. According to the request, it can be distributed through the IP-PBX server 210 and connected to the video phone terminal 300 (see FIG. 4B).

For example, the second session is connected in a web protocol method, and may be connected in an http or https method, for example.

Looking more specifically with reference to FIG. 5, at this time, the video call server system 410 extracts the audio media description signal for the audio signal in the first session and extracts the video media description signal for the video signal in the second session. Individual media description signals may be combined into a session integration signal and transmitted to the video phone terminal 300 through the first session. For example, the video call server system 410 extracts a voice media description signal for a mobile voice signal in a first session and extracts a video media description signal for a web video signal received from the mobile terminal 100 through a second session. and by integrating the voice media description signal and the video media description signal, which are individual media description signals extracted by changing the protocol characteristics of the first session, into a session integration signal of the first session, and transmitted to the video phone terminal 300 through the first session. It can transmit and perform an integrated video call.

Also, although not shown, in one example, the video call server system 410 receives a session integration signal of a plurality of individual media including at least a video phone audio signal and a video phone video signal from the video phone terminal 300 through the first session. The individual media signals other than the audio signal of the video phone are separately processed from the first session, and the remaining individual media signals separated are transmitted to the mobile terminal 100 through the second session. It may be a video phone audio signal, or a video phone video signal, a video phone audio signal, and a video phone text signal.

For example, referring to FIG. 6 , in one example, the video call server system 410 may include a Web-RTC server 411 and a call processing server 413. At this time, the Web-RTC server 411 extracts the video media description signal for the web video signal received from the mobile terminal 100 through the second session of the web protocol method and uses the web protocol method of the first session. The video signal may be provided to the call processing server 413 . The call processing server 413 extracts the voice media description signal for the mobile voice signal from the voice call in the first session and changes the protocol characteristics of the first session to convert the voice media description signal and the visual media description signal to the session of the first session. It can be combined into an integrated signal and transmitted to the video phone terminal 300 through the first session.

4a, 4b and 6, in one example, the video call server system 410 transmits a web video signal received from the mobile terminal 100 connected to the second session through the URL of the URL text message to the first session. It can be integrated into the session and transmitted to the video phone terminal 300 together with the mobile voice signal. At this time, the first session is connected to the mobile terminal 100 according to the voice call callback connection from the video phone terminal 300 or distributed through the IP-PBX server 210 according to the voice call connection request from the mobile terminal 100. and can be connected to the video phone terminal 300. In this case, the mobile terminal 100 may be a terminal in which VoLTE video calls are blocked or not supported. For example, a terminal that does not support VoLTE video call may be, for example, an iPhone terminal equipped with an iOS operating system, but is not limited thereto. The terminal to which VoLTE video calls are blocked may be, for example, Android terminals to which video calls are blocked by setting or the like.

The URL text message may be transmitted from the video phone terminal 300 or according to a request of the video phone terminal 300 . For example, when a URL text message is transmitted from the video phone terminal 300, it may be a text message through SNS. For example, referring to FIG. 7 , when a URL text message is transmitted at the request of the video phone terminal 300, the text message is transmitted from the SMS server 430 to the mobile terminal 100 at the request of the video phone terminal 300. could be a message.

Next, in order to achieve the above object, embodiments of a video communication system according to another aspect of the present invention will be described with reference to the drawings. At this time, reference may be made to the above-described video call server system and FIGS. 4A to 6, and redundant descriptions may be omitted.

1 is a configuration diagram schematically showing the concept of a video call server system or video call system according to an example of the present invention, and FIG. 2 is a schematic configuration diagram of a video call system according to an example of the present invention. 3 is a schematic configuration diagram of a video call system according to another example of the present invention, and FIG. 7 is a schematic configuration diagram of a video call system according to one example of the present invention.

Referring to FIGS. 2, 3, and 7, the video call system 400 according to one example performs a video call between the user's mobile terminal 100 and the counselor's video phone terminal 300 connected to a voice call.

At this time, referring to FIG. 7 , the video call system 400 may include the aforementioned video call server system 410 and SMS server 430 . At this time, the video call server system 410 allows a video call to be performed between the mobile terminal 100 and the video phone terminal 300 . For a more specific description of the video call server system 410, refer to the foregoing.

At this time, the first session between the mobile terminal 100 and the video phone terminal 300 through the video call server system 410 is connected to the mobile terminal 100 according to the voice call callback connection from the video phone terminal 300. Alternatively, according to a voice call connection request from the mobile terminal 100, it may be distributed through the IP-PBX server and connected to the video phone terminal 300.

For example, the video call server system 410 may receive a non-voice web video signal from the mobile terminal 100 through a second session connected through a URL connection of a URL text message in the mobile terminal 100 .

For example, the mobile terminal 100 may be a terminal in which VoLTE video calls are blocked or not supported. For example, an iPhone with an iOS operating system does not support VoLTE video calls. According to the example of the present invention, a first session connected through a voice call and a second session connected through a separate web protocol method receive a web video signal through a video call server. In the system 410, a video call may be performed by integrating the web video signal into the first session and transmitting the video signal together with the mobile audio signal to the video phone terminal 300.

Referring to FIG. 7 , the SMS server 430 sends a URL text message to the mobile terminal 100 at the request of the video phone terminal 300 so that the second session is connected between the mobile terminal 100 and the video call server system 410. send

A video call system according to an example of the present invention will be described with reference to FIGS. 1 to 3 . Referring to FIG. 2, in one example, after receiving a voice accident, the PC video phone terminal 300 performs callback outbound video call processing (PSTN + Web) to generate a VOLTE/PSTN voice call from the PC video phone terminal 300 to the iPhone. (No video) connection, web browser video call (no voice) input is integrated into one video call (voice + video), and video call service for reporting and handling accidents regardless of the operating system of the smartphone is provided. It may include a configuration that Referring to FIG. 3, in one example, an accident is received with voice IP-PBX interlocking voice and directly connected to a video call (PSTN + Web), so that the PSTN voice call and the Web video call incoming from the telecommunications company are combined into a single video call. It may include a configuration that enables a call to be made into a call.

As shown in FIG. 1, a video call system according to one example of the present invention includes a mobile terminal 100 incapable of making a video call using a telephone number system, and a private switchboard that exchanges calls based on a public switched telephone network (PSTN) ( A call center system equipped with IP PBX (Internet protocol private exchange) and CTI (computer telephony integration) and voice recording server that supports general voice call, various additional functions and data communication as an exchange based on IP communication network rather than general telephone network. (200), a voice call is received through the mobile terminal (100) through the call center system (200), a callback call request is made, and the SMS Web video URL is transmitted to the mobile terminal (100) through the video call system (400). The video phone terminal 300 and the callback request transmitted from the video phone terminal 300 are transmitted to the mobile terminal 100, the SMS Web video URL is relayed to the mobile terminal 100, and the mobile terminal 100 Supports video customer center service of mobile terminal 100 that cannot make video call by telephone number method by receiving web video and integrating voice call and video call and sending it to video phone terminal 300, voice and video It includes a video call system 400 that performs integrated recording.

The system for integrating a phone number method voice call and a web method video call into one video call call according to the first embodiment of the present invention having such a configuration is a mobile terminal unable to make a phone number method video call through the following process. (100) to enable the video customer center service.

First, for the convenience of the accident reception processing side (call center + damage adjuster), the accident reception is made by voice call in the phone call method from the mobile terminal 100, which cannot make a video call in the phone number method.

After receiving the accident, the video phone terminal 300 requests a callback call, performs a voice call through the video telephony system 400, and transmits a voice (VoLTE/PSTN) signal to the mobile terminal 100.

In addition, the video phone terminal 300 transmits the SMS Web video URL to the mobile terminal 100 through the video call system 400, and the video call system 400 receives the web video of the mobile terminal 100 and receives a voice call. The video call is integrated and transmitted to the video phone terminal 300 .

Subsequently, while performing integrated voice and video recording, the integrated voice and video calls are transmitted to the video phone terminal 300 to support the video customer center service of the mobile terminal 100, which cannot make video calls using the phone number method. do.

3 is a configuration diagram of a video call system according to an example of the present invention. A video call system according to one example of the present invention, as shown in FIG. 3, includes a mobile terminal 100 unable to make a phone number-based video call, and a private switchboard that exchanges calls based on a public switched telephone network (PSTN) ( PBX) is an exchange based on an IP communication network, not a general telephone network, and is equipped with an IP PBX (Internet protocol private exchange) and CTI (computer telephony integration) that support general voice calls, various additional functions and data communication, and an IP PBX (Internet protocol When a voice call is connected by receiving the voice (PSTN) of the call center system 200 and the mobile terminal 100, which allows voice (PSTN) to be introduced into the video call system 400 in the private exchange, the SMS Web video URL is converted to the mobile terminal ( 100), receive the integrated voice call and video call, and the video phone terminal 300 that supports the video customer center service of the mobile terminal 100 unable to make video calls, and the web of the mobile terminal 100 It receives video and integrates voice and video calls and transmits them to the video phone terminal 300 to support video customer center services for mobile terminals 100 that cannot make phone number-based video calls, and to record audio and video integrated It includes a video call system 400 that performs.

The system for integrating a phone number method voice call and a web method video call into a single video call call according to the second embodiment of the present invention having such a configuration is a mobile terminal unable to make a phone number method video call through the following process. (100) to enable the video customer center service.

First, when an accident is received as a voice call of the telephone number method in the mobile terminal 100 where video call of the phone number method is not possible, voice (PSTN) is transmitted to the video call system 400 from the IP PBX (Internet protocol private exchange). to be brought in

Then, when the voice call is connected by receiving the voice (PSTN) of the mobile terminal 100, the SMS Web video URL is transmitted to the mobile terminal 100.

In addition, the web video of the mobile terminal 100 is received, and the voice call and the video call are integrated and transmitted to the video phone terminal 300.

In addition, the video phone terminal 300 receives the integrated voice call and video call, and supports the video customer center service of the mobile terminal 100 incapable of video call.

The system and method for integrating a phone number method voice call and a web method video call into one video call call according to the present invention described above is a phone number method by separately connecting a video call in the Web method while making a voice call in the phone number method. This is to provide a video call service as if one video call was connected.

The present invention integrates two call methods (voice and video) for a video call by a person with an iPhone whose operating system is iOS, so that the user on the other end can conveniently make a call with one video call (voice + video) will be.

Next, in order to achieve the above object, according to another aspect of the present invention, a video call method will be described with reference to the drawings. At this time, reference may be made to the above-described embodiments of the video call server system and FIGS. 4A to 6, and the above-described embodiments and FIGS. 1, 2, 3, and 7 of the video call system, and duplicate descriptions may be omitted. there is.

8 is a schematic flowchart showing a video call method according to one example of the present invention, FIG. 9 is a schematic flowchart showing a video call method according to another example of the present invention, and FIG. 10 is another example of the present invention. It is a schematic flowchart showing a video call method according to an example.

8 to 10, the video call method according to one example includes a voice call connection step (S100, S100'), a web image receiving step (S300, S300'), and a video call performing step (S500, S500'). can include Also, referring to FIG. 9 , the video call execution step (S500') may include a media description signal extraction step (S510) and a session processing step (S530).

First, in the voice call connection steps (S100, S100'), the voice call is connected to the first session and maintained between the user's mobile terminal 100 and the counselor's video phone terminal 300 through the video call server system 410. .

For example, the mobile terminal 100 may be a terminal in which VoLTE video calls are blocked or not supported.

For example, in one example, in the voice call connection step (S100'), the video phone terminal 300 is connected to the mobile terminal 100 according to the voice call callback connection or IP according to the voice call connection request from the mobile terminal 100. - It is distributed through the PBX server 210 and connected to the video phone terminal 300, and the first session can be connected.

In the web video receiving step (S300, S300'), a web (Web) video signal is received from the mobile terminal 100 through a second session connected between the mobile terminal 100 and the video call server system 410 separately from the first session. receive

For example, in one example, in the web video receiving step (S300'), a non-voice web video signal may be received from the mobile terminal 100 connected to the second session through the URL of the URL text message. In this case, the URL text message may be transmitted from the video phone terminal 300 or according to a request of the video phone terminal 300 .

8 and 9, in the steps of performing a video call (S500, S500'), the video call server system 410 integrates the web video signal received through the second session into the first session, thereby integrating the mobile voice signal with the video signal. It is transmitted to the phone terminal 300 and performs an integrated video call of voice call and video call.

For example, referring to FIG. 9 , in one example, performing a video call (S500) may include a media description signal extraction (S510) and a session processing (S530).

At this time, in the media description signal extraction step (S510), the video call server system 410 extracts the voice media description signal for the mobile voice signal in the first session and the web video received from the mobile terminal 100 through the second session. Extract the video media description signal for the signal.

In the session processing step (S530), the audio media description signal and the video media description signal, which are individual signals extracted by changing the protocol characteristics of the first session in the video call server system 410, are combined into a session integration signal of the first session and It is transmitted to the video phone terminal 300 through one session and allows an integrated video call to be performed.

In the above, the foregoing embodiment and the accompanying drawings are not intended to limit the scope of the present invention, but have been described by way of example to help those skilled in the art understand the present invention. In addition, embodiments according to various combinations of the above-described configurations may be clearly implemented to those skilled in the art from the detailed descriptions above. Therefore, various embodiments of the present invention may be implemented in a modified form within a range that does not deviate from the essential characteristics of the present invention, and the scope of the present invention should be interpreted according to the invention described in the claims, and common in the art It contains various modifications, alternatives and equivalents made by those with knowledge of.

100: mobile terminal 300: video phone terminal
400: video call system 410: video call server system
411: Web-RTC server 413: Call processing server
430: SMS server

Claims (9)

A video call server system for performing a video call between a mobile terminal of a user connected to a voice call and a video phone terminal of an agent,
For the voice call connection, a first session connection is maintained between the mobile terminal and the video phone terminal, and a web video is transmitted from the mobile terminal through a second session connected to the mobile terminal separately from the first session. The video call server system, characterized in that for receiving a signal, integrating the received video signal into the first session, and transmitting the received video signal to the video phone terminal together with the mobile voice signal to perform a voice call and video call integrated video call.
In claim 1,
The video call server system extracts a voice media description signal for the mobile voice signal in the first session, extracts a video media description signal for the web video signal received from the mobile terminal through the second session, and The individual media description signals extracted by changing the protocol characteristics of the first session are integrated into the integrated session signal of the first session, transmitted to the video phone terminal through the first session, and the integrated video call is performed. A video call server system with
In claim 2,
The video call server system receives a session integration signal of a plurality of individual media including at least a video phone audio signal and a video phone video signal through the first session from the video phone terminal, and receives the remaining individual media signals excluding the video phone audio signal. is separated from the first session, and the remaining individual media signals separated are transmitted to the mobile terminal through the second session;
The video call server system according to claim 1 , wherein the plurality of individual media are the video phone video signal and the video phone audio signal, or the video phone video signal, the video phone audio signal, and the video phone text signal.
In claim 2,
The video call server system includes a Web-RTC server and a call processing server,
The Web-RTC server extracts the video media description signal for the web video signal received from the mobile terminal through the second session of the web protocol method, and uses the protocol method of the first session to extract the web image. providing a signal to the call processing server;
The call processing server extracts the voice media description signal for the mobile voice signal from the voice call in the first session and changes the protocol characteristics of the first session to convert the voice media description signal and the visual media description signal into the The video call server system, characterized in that the integrated session integration signal of the first session is transmitted to the video phone terminal through the first session.
In any one of claims 1 to 4,
The video call server system integrates the web video signal received from the mobile terminal connected to the second session through the URL of the URL text message into the first session and transmits it to the video phone terminal together with the mobile voice signal, ,
The first session is connected to the mobile terminal according to a voice call callback connection from the video phone terminal or is distributed through an IP-PBX server and connected to the video phone terminal according to a voice call connection request from the mobile terminal;
The mobile terminal is a terminal in which VoLTE video calls are blocked or not supported,
The video call server system according to claim 1 , wherein the URL text message is transmitted from the video phone terminal or according to a request of the video phone terminal.
A video call system for performing a video call between a mobile terminal of a user connected to a voice call and a video phone terminal of an agent,
a video call server system according to any one of claims 1 to 4 for performing the video call between the mobile terminal and the video phone terminal; and
An SMS server for transmitting a URL text message to the mobile terminal according to a request of the video phone terminal so that the second session is connected between the mobile terminal and the video call server system;
The first session is connected to the mobile terminal according to a voice call callback connection from the video phone terminal or is distributed through an IP-PBX server and connected to the video phone terminal according to a voice call connection request from the mobile terminal;
The video call server system receives the web video signal of silence from the mobile terminal through the second session connected through the URL access of the URL text message in the mobile terminal,
The mobile terminal is a video communication system, characterized in that the VoLTE video call is blocked or not supported terminal.
A voice call connection step in which a voice call is connected and maintained as a first session through a video call server system between a user's mobile terminal and a counselor's video phone terminal;
A web video receiving step of receiving a web video signal from the mobile terminal through a second session connected between the mobile terminal and the video call server system separately from the first session; and
The video call server system integrates the web video signal received through the second session into the first session and transmits the video call together with the mobile voice signal to the video phone terminal to perform a voice call and video call integrated video call. A video call method comprising the step of performing a video call.
In claim 7, the performing of the video call is:
Media for extracting a voice media description signal for the mobile voice signal in the first session in the video call server system and extracting a video media description signal for the web video signal received from the mobile terminal through the second session. Description signal extraction step; and
In the video call server system, the voice media description signal and the video media description signal, which are individual signals extracted by changing the protocol characteristics of the first session, are combined into a session integration signal of the first session, and a session processing step of transmitting the video call to the video phone terminal and performing the integrated video call.
In claim 7 or 8,
The mobile terminal is a terminal in which VoLTE video calls are blocked or not supported,
In the voice call connection step, the mobile terminal is connected according to the voice call callback connection from the video phone terminal or distributed through the IP-PBX server according to the voice call connection request from the mobile terminal and connected to the video phone terminal. The first session is connected,
In the web video receiving step, the web video signal of silence is received from the mobile terminal connected to the second session through the URL of the URL text message,
The video call method of claim 1 , wherein the URL text message is transmitted from the video phone terminal or according to a request of the video phone terminal.

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