WO2015099473A1

WO2015099473A1 - Communication system and phone connection method thereby

Info

Publication number: WO2015099473A1
Application number: PCT/KR2014/012868
Authority: WO
Inventors: 권용철
Original assignee: 주식회사 우아한형제들
Priority date: 2013-12-26
Filing date: 2014-12-26
Publication date: 2015-07-02
Also published as: KR20150075488A; KR101546386B1

Abstract

A communication system according to one embodiment of the present invention is a communication system for controlling a phone connection between a first terminal and a second terminal having at least one virtual number, the communication system comprising: a call processing server for connecting a call between the first terminal and the second terminal in response to a call connection request being received from the first terminal; and an information processing server for, at the request of the call processing server, extracting a "Call-Ment" and a ring back tone corresponding to the virtual number of the second terminal included in the call connection request, outputting the ring back tone to the first terminal, outputting the "Call-Ment" to the second terminal, and blocking a voice transmission between the first terminal and the second terminal until the output of at least one of the ring back tone and the "Call-Ment" is terminated.

Description

Communication system and its telephone connection method

The present invention relates to a communication system and a telephone connection method thereof.

Recently, with the development of communication networks and smart devices (ex. Smartphones), various smart device applications (hereinafter referred to as "order applications"), which introduce shops and restaurants and have order functions, are becoming popular. The ordering application secures a shop or a restaurant as a subscriber, provides a product type, a price, location information for each subscriber, and reviews of the customer about the subscriber (ex. A store or a restaurant), and assigns a virtual number for each subscriber. It allows users to make order calls through virtual numbers. The user can select one ordering application from various kinds of ordering applications and place an order call to a desired store or restaurant.

However, because a typical ordering application only connects the user's order call to the subscriber's store or restaurant, the subscriber may not know which path, ie, through which application, the order call to his store or restaurant. none. Therefore, it is difficult for subscribers to identify which application has a good promotional effect, and it is not easy to establish a marketing strategy such as increasing the proportion of a specific application.

Therefore, in recent years, on-demand applications with a function of providing telephone inflow path information have been produced and disseminated. In detail, applications having a function of providing call inflow path information may be configured to transmit a specific notification sound to a subscriber terminal when a call connection request is received from a user so that the subscriber may recognize which application is an incoming call. It is becoming.

An object of the present invention is to provide a communication system and a telephone connection method thereof that can improve the advertising effect and the telephone inflow path providing effect.

Technical problems of the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following descriptions.

A communication system according to an embodiment of the present invention is a communication system for controlling a telephone connection between a first terminal and a second terminal having at least one virtual number, in response to a call connection request received from the first terminal. A call processing server performing a call connection between the first terminal and the second terminal, and a ring tone and a call corresponding to the virtual number of the second terminal included in the call connection request in response to a request of the call processing server; Extracts and outputs the call connection sound to the first terminal, outputs the call to the second terminal, and outputs at least one of the call connection sound and the call to the first terminal and And an information processing server that blocks voice transmission between the second terminals.

In one embodiment, the information processing server may include a virtual number processing server for performing the first subscriber authentication for the second terminal using the virtual number of the second terminal included in the call connection request.

In an embodiment, the information processing server may further include a subscriber authentication server that performs secondary subscriber authentication for the second terminal by using an actual telephone number corresponding to the virtual number of the second terminal.

In one embodiment, the information processing server may include a sound source providing server for storing the ring back tone and the call corresponding to the virtual number of the second terminal.

In one embodiment, the information processing server extracts the ring back tone and the call from the sound source providing server in response to a request of the call processing server, and outputs the ring back tone to the first terminal, to the second terminal. It may include an information delivery server for controlling the output of the call and voice transmission between the first terminal and the second terminal.

In one embodiment, the information delivery server may block voice transmission between the first terminal and the second terminal according to the voice transmission blocking request transmitted from the call processing server.

In one embodiment, the information delivery server may initiate voice transmission between the first terminal and the second terminal when the output of at least one of the ring tone and the call is terminated.

In one embodiment, the information processing server is connected between the first terminal and the second terminal until the output of at least one of the ring tone and the call is terminated while the first terminal and the second terminal is connected to the call; You can block voice transmission.

In one embodiment, the information processing server may include a call log storage server that stores a call log between the first terminal and the second terminal.

In one embodiment, the ring back tone may include an advertisement sound or a logo song composed of voice or music.

Telephone communication method of a communication system according to an embodiment of the present invention is a telephone connection method of a communication system for controlling a telephone connection between a first terminal and a second terminal having at least one virtual number, from the first terminal Receiving a call connection request, extracting a ring back tone and a comment corresponding to the virtual number of the second terminal included in the call connection request, transmitting a call connection reception request to the second terminal, Outputting the ring back tone to a first terminal, receiving a call connection response signal from the second terminal, initiating a call connection between the first terminal and the second terminal, and the call to the second terminal And outputting a comment, wherein the communication system includes the first terminal and the terminal until the output of at least one of the ring tone and the call is terminated. 2 to block the sound transfer between terminals.

In one embodiment, the ring back tone and the comment may be preset by the communication system.

In an embodiment, the method may further include determining whether the second terminal corresponds to a service subscriber by using the virtual number of the second terminal.

The communication system and the telephone connection method thereof according to an embodiment of the present invention can improve the advertising effect and the telephone inflow path providing effect.

1 is a block diagram illustrating a network connection of a communication system according to an embodiment of the present invention.

2 is a block diagram illustrating a communication system according to an embodiment of the present invention.

3 is a flowchart illustrating a telephone connection method of a communication system according to an embodiment of the present invention.

4 is a flowchart illustrating a telephone connection method of a communication system according to an embodiment of the present invention in more detail.

Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. In adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are assigned to the same components as much as possible even though they are shown in different drawings. In addition, in describing the embodiments of the present invention, if it is determined that the detailed description of the related well-known configuration or function interferes with the understanding of the embodiments of the present invention, the detailed description thereof will be omitted.

In addition, in describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are only for distinguishing the components from other components, and the nature, order or order of the components are not limited by the terms.

Referring to FIG. 1, a communication system 100 according to an embodiment of the present invention may be connected to a first terminal 10 and a second terminal 30 through a communication network 20.

The first terminal 10 and the second terminal 30 can transmit and receive voice and transmit and receive data by connecting to the Internet or an intranet, and can execute various applications by mounting a general operating system (OS). For example, the first terminal 10 and the second terminal 30 may be a mobile telephone, a smart phone, a smart pad, a telephone, a tablet personal computer. computer, personal computer, personal digital assistant, and the like, hereinafter, the first terminal 10 is assumed to be a smart phone, and the second terminal 30 is assumed to be a telephone. It is not limited.

For example, the first terminal 10 may be a calling terminal and the second terminal 30 may be a receiving terminal. Hereinafter, for convenience of description, the first terminal 10 may be a calling terminal or a second terminal. 30 is assumed to be the receiving terminal. In addition, hereinafter, a person making a call using the first terminal 10 is defined as a caller, and a person receiving a call using the second terminal 30 is defined as a receiver.

In addition, for convenience of description, a user (ie, a caller) of the first terminal 10 may call the second terminal 30 through an ordering application (for example, an application for ordering and delivering goods). Is assumed. For example, a user (ie, a caller) of the first terminal 10 selects one of a plurality of ordering applications installed in the first terminal 10 and calls the second terminal 30 (eg, orders). Phone). The order application may provide various user interfaces through the display screen of the first terminal 10. The caller may make a call (eg, an order call) to the second terminal 30 by controlling the user interface provided through the display screen of the first terminal 10.

The communication network 20 may provide a communication connection between the first terminal 10, the second terminal 30, and the communication system 100. The communication network 20 may largely include a wired network and a mobile network. The wired network may refer to a network in which a subscriber's terminal and a communication network are connected by wire, such as a public switched telephone network (PSTN) or an integrated services digital network (ISDN), to allow a subscriber to make a call at a designated location. The mobile network is a mobile communication network serviced using a method such as Advanced Mobile Phone Systems (AMPS), Time Division Multiple Access (TDMA), and Code Division Multiple Access (CDMA), and the subscriber's terminal and the communication network are wirelessly connected. It may refer to a network capable of conducting calls at any location.

The communication system 100 may control a telephone connection between the first terminal 10 and the second terminal 30 through an ordering application. In detail, the communication system 100 may control a call connection between the first terminal 10 and the second terminal 30 in response to a call connection request received from the first terminal 10. That is, the first terminal 10 may request a call connection with the second terminal 30 to the communication system 100 using the virtual number of the second terminal 30.

To this end, the communication system 100 may set at least one virtual number corresponding to the actual telephone number of the second terminal 30 in the second terminal 30. The receiver (ie, the user of the second terminal 30) generates the at least one virtual number corresponding to the actual telephone number assigned to the terminal (ie, the second terminal 30) to the communication system 100. You can request The communication system 100 may generate at least one virtual number corresponding to the actual telephone number of the second terminal 30 at the request of the receiver, and change / cancel the generated virtual number. For example, the communication system 100 may set different virtual numbers for each of the plurality of order applications for the second terminal 30.

The communication system 100 receives a call connection request signal from the first terminal 10 and extracts a call connection tone and / or a comment corresponding to the virtual number of the second terminal 30 included in the call connection request signal. Can be. The ring back tone may be preset in the communication system 100 according to a request or a selection of a receiver (for example, a user of the second terminal 30). The colum may be set in advance according to a selection of an operating entity of the communication system 100. In addition, the ring back tone and / or the call may be set differently for each virtual number.

The communication system 100 may output the extracted ring back tone to the first terminal 10 and to output the extracted colums to the second terminal 30. The ring back tone may also be used in terms such as ring back tone and coloring. The communication system 100 may output the basic ring back tone and / or the basic colment when the ring back tone and / or the call corresponding to the virtual number of the second terminal 30 is not set in advance.

The communication system 100 may block voice transmission between the first terminal 10 and the second terminal 30 until the output of at least one of the call connection sound and the comment ends. The communication system 100 will initiate voice transmission between the first terminal 10 and the second terminal 30 when the output of at least one of the ring back tone and the comment ends. To this end, the communication system 100 may terminate the rest of the output when any one of the ring tone and the call is terminated.

As described above, the communication system 100 according to an embodiment of the present invention includes a ring back tone corresponding to the virtual number of the second terminal 30 included in the call connection request signal received from the first terminal 10 and And / or extract the call, output the extracted call ring tone to the first terminal 10, output the extracted call line to the second terminal 30, and terminate the output of at least one of the call ring tone and the colment. Until the voice transmission between the first terminal 10 and the second terminal 30 can be blocked.

For example, a user of the second terminal 30 needs to listen to all of the calls to make a voice call with the user of the first terminal 10. In addition, for example, the user of the first terminal 10 must listen to all of the ring back tone so that the user can make a voice call with the user of the second terminal 30. Therefore, the user of the second terminal 30 can maximize the effect of advertising to his shop or restaurant using the ring back tone, and from the viewpoint of the operator of the communication system 100 the first terminal ( It is possible to reliably convey the inflow path of the telephone from 10) to the user of the second terminal 30.

2 is a block diagram illustrating in more detail a communication system according to an embodiment of the present invention.

2, a communication system 110 according to an embodiment of the present invention may include a call processing server 110 and an information processing server 120. The information processing server 120 may include a virtual number processing server 121, a subscriber authentication server 122, an information delivery server 123, a sound source providing server 124, and a call record storage server 125.

The above-described virtual number processing server 121, subscriber authentication server 122, information delivery server 123, sound source providing server 124, and call record storage server 125 is shown as being configured independently according to the function According to the design, it may be implemented as one integrated server.

The call processing server 110 may process a call connection request signal transmitted from the first terminal 10. For example, when the call connection request signal is received from the first terminal 10, the call processing server 110 may transmit a call connection reception request signal to the second terminal 30. When the call connection response signal is received from the second terminal 30 in response to the call connection reception request signal, the call processing server 110 may initiate a call connection between the first terminal 10 and the second terminal 30. will be. In addition, the call processing server 110 may transmit a call connection request signal received from the first terminal 10 to the virtual number processing server 121 and the information delivery server 123 of the information processing server 120.

The virtual number processing server 121 registers the second terminal 30 in the communication system 100 using the virtual number of the second terminal 30 included in the call connection request signal transmitted from the call processing server 110. It can be authenticated whether or not the terminal. In one aspect, the authentication process of the virtual number processing server 121 using the virtual number of the second terminal 30 is a ring tone and / or call providing service provided by the second terminal 30 in the communication system 100 It can be understood as a process of first authenticating whether the terminal is subscribed to. In addition, the virtual number processing server 121 may extract the actual telephone number of the second terminal 30 corresponding to the virtual number of the second terminal 30 and transmit it to the subscriber authentication server 122. In addition, the virtual number processing server 121 may generate at least one virtual number corresponding to the actual telephone number of the second terminal 30 in response to a request from the user of the second terminal 30. When the authentication for the second terminal 30 is completed, the virtual number processing server 121 may transmit a subscriber authentication completion signal to the call processing server 110.

The subscriber authentication server 122 may authenticate whether the second terminal 30 is a terminal registered in the communication system 100 using the actual phone number of the second terminal 30 transmitted from the virtual number processing server 121. have. In one aspect, the authentication process of the subscriber authentication server 122 using the actual phone number of the second terminal 30 is a ring back tone and / or a call provided by the user of the second terminal 30 in the communication system 100 It may be understood as a process of secondly authenticating whether the user subscribes to the provided service. When the secondary authentication process is completed, the subscriber authentication server 122 may transmit the authentication result to the virtual number processing server 121.

The information delivery server 123 may receive a call connection sound and / or a call output request from the call processing server 110. For example, the information delivery server 123 forwards the ring back tone and / or the call output request from the call processing server 110 when the subscriber authentication of the virtual number processing server 121 and the subscriber authentication server 122 is completed. I can receive it.

The information delivery server 123 may extract the call connection sound and / or the call corresponding to the virtual number of the second terminal 30 from the sound source providing server 124 according to the call connection sound and / or the call output request. The information delivery server 123 may output the extracted ring back tone to the first terminal 10 and output the extracted colum to the second terminal 30.

The information delivery server 123 may control voice transmission between the first terminal 10 and the second terminal 30. For example, the information delivery server 123 may block voice transmission between the first terminal 10 and the second terminal 30 according to the voice transmission blocking request transmitted from the call processing server 110. To this end, the call processing server 110 is connected to the information delivery server 123 between the first terminal 10 and the second terminal 30 when the first terminal 10 and the second terminal 30 are connected to the call. You can request to block voice transmission. The information delivery server 123 may block voice transmission between the first terminal 10 and the second terminal 30 until the output of at least one of the call connection sound and the comment ends. For example, the information delivery server 123 may block voice transmission between the first terminal 10 and the second terminal 30 until the output of the collimation to the second terminal 30 is terminated. The information delivery server 123 may initiate voice transmission between the first terminal 10 and the second terminal 30 when the output of at least one of the ring tone and the call is terminated. To this end, the information delivery server 123 may terminate the rest of the output when any one of the ring-tone and the call is terminated.

The sound source providing server 123 may provide the ring back tone and / or the call to the information delivery server 123. Here, the call connection sound refers to a call waiting sound that a caller can hear when waiting for a call and may include a specific advertisement or logo song composed of music and / or voice. In the case of outputting such a comment or a logo song, the caller sends an ad with attention before the call, thereby maximizing the effect of the advertisement, and considering the recipient's industry, the target marketing is possible. have. In addition, the call includes various types of acoustic messages, such as voice messages (eg, "this phone is a call received through the OO application") and a logo song that the receiver can hear when receiving a call through the communication system 100. can do.

The call log storage server 125 may store a call log between the first terminal 10 and the second terminal 30. The call log stored in the call log storage server 125 may be used to generate various statistical data on the call coming to the second terminal 30 and to process the billing according to the use of the communication system 100.

Referring to FIG. 3, first, a call connection request signal from the first terminal 10 to the second terminal 30 is transmitted to the call processing server 110 (S110). The call connection request signal transmitted from the first terminal 10 may include a virtual number of the second terminal 30.

Next, the call processing server 110 may request subscriber authentication for the second terminal 30 to the information processing server 120 (S111). The information processing server 120 uses the virtual number of the second terminal 30 included in the call connection request signal transmitted from the first terminal 10 and the actual telephone number corresponding to the virtual number. ) Can be authenticated whether the terminal is registered in the communication system 100 (S112).

The information processing server 120 may transfer the subscriber authentication result to the call processing server 110 (S113). For example, when the second terminal 30 is a terminal registered in the communication system 100 as a result of subscriber authentication, the information processing server 120 may transmit an authentication approval signal to the call processing server 110. On the other hand, if the second terminal 30 is not a terminal registered in the communication system 100 as a result of subscriber authentication, the information processing server 120 may transmit an authentication disapproval signal to the call processing server 110.

When the subscriber authentication is completed, the call processing server 110 may request the output of the ring tone and / or the call to the information processing server 120 (S114).

The information processing server 120 extracts the call ring tone and / or the call corresponding to the virtual number of the second terminal 30 included in the call connection request signal in response to the request for the output of the call ring tone and / or the call. It may be (S115).

Next, the call processing server 110 may transmit a call connection reception request signal to the second terminal 30 (S116).

Simultaneously with or after step S116, the information processing server 120 may output a ring back tone to the first terminal 10 (S117). Therefore, the ring back tone will be output to the first terminal 10 (S118).

Next, the call processing server 110 may receive a call connection response signal from the second terminal 30 (S119) and may initiate a call connection between the first terminal 10 and the second terminal 30 ( S120).

The information processing server 120 reproduces at least one of the ring back tone and the call in the first terminal 10 and the second terminal 30 even after the first terminal 10 and the second terminal 30 are connected to the call. Until this is terminated, voice transmission between the first terminal 10 and the second terminal 30 may be blocked (S121 and S122).

The information processing server 120 may output a colment to the second terminal 30 (S123). Therefore, the colum will be output to the second terminal 30 (S124).

For example, the output of the call to the second terminal 30 may be terminated before the output of the call connection sound to the first terminal 10. In this case, the information processing server 120 may start voice transmission between the first terminal 10 and the second terminal 30 when the output of the collimation to the second terminal 30 is terminated (S125). To this end, the information processing server 120 may terminate the output of the call connection sound to the first terminal 10 when the output of the column to the second terminal 30 is terminated first.

Also, for example, the output of the call connection sound to the first terminal 10 may be terminated before the output of the colum to the second terminal 30. In this case, when the output of the call connection sound to the first terminal 10 is terminated, the information processing server 120 may start voice transmission between the first terminal 10 and the second terminal 30. To this end, the information processing server 120 may terminate the output of the call to the second terminal 30 when the output of the call connection sound to the first terminal 10 is terminated first.

The information processing server 120 may store a call log between the first terminal 10 and the second terminal 30 (S126).

As described above, according to the telephone connection method of the communication system according to an embodiment of the present invention, the call processing server 110 is at least one of the ring tone and the call in the first terminal 10 and the second terminal 30 Voice transmission can be interrupted until either output is terminated. For example, a user of the second terminal 30 needs to listen to all of the calls to make a voice call with the user of the first terminal 10. In addition, for example, the user of the first terminal 10 must listen to all of the ring back tone so that the user can make a voice call with the user of the second terminal 30. Therefore, the user of the second terminal 30 can maximize the effect of the advertisement using the ring back tone, and in the position of the operator of the communication system 100, the inflow of the telephone from the first terminal 10 through the comment The route can be surely communicated to the user of the second terminal 30.

4 is a flowchart illustrating a telephone connection method of a communication system according to an embodiment of the present invention in more detail. In FIG. 4, operation flows of the call processing server 110 and the information processing server 120 of FIG. 3 are more specifically illustrated on the premise of the contents described with reference to FIGS. 1 to 3.

Referring to FIG. 4, the call processing server 110 may request a subscriber authentication for the second terminal 30 to the virtual number processing server 121 (S210). To this end, the call processing server 110 may transmit a call connection request signal received from the first terminal 10 to the virtual number processing server 121.

The virtual number processing server 121 is provided by the second terminal 30 in the communication system 100 by using the virtual number of the second terminal 30 included in the call connection request signal transmitted from the call processing server 121. It may be primarily authenticated whether the terminal is subscribed to the call connection tone and / or the call provision service (S211).

The virtual number processing server 121 performs second subscriber authentication to the subscriber authentication server 122 when the second terminal 30 is a terminal subscribed to a ring back tone and / or a call providing service provided by the communication system 100. Can request (S212).

Subscriber authentication server 122 provides a ring back tone and / or a call provided by the user of the second terminal 30 in the communication system 100 using the actual phone number corresponding to the virtual number of the second terminal 30 Secondary authentication is possible whether the user is a user subscribed to the service. Subscriber authentication server 122 will transmit the authentication result to the virtual number processing server 121 (S213).

The virtual number processing server 121 may transmit an authentication result for the second terminal 30 to the call processing server 121 (S214). For example, the virtual number processing server 121 may transmit an authentication approval signal to the call processing server 121 when the first authentication and the second authentication result authentication for the second terminal 30 is successful. On the other hand, the virtual number processing server 121 may transmit an authentication disapproval signal to the call processing server 121 when authentication fails as a result of the primary authentication or the secondary authentication for the second terminal 30 described above.

When the call processing server 110 receives an authentication approval signal from the virtual number processing server 121, the call processing server 110 may transmit a call connection sound and / or a call output request to the information delivery server 123 (S215).

The information delivery server 123 requests a call connection sound and / or a call from the sound source providing server 124 (S216), and the call connection sound corresponding to the virtual number of the second terminal 30 from the sound source providing server 124; / Or may receive a collation (S217). To this end, the information delivery server 123 may receive a call connection request signal received from the first terminal 10 from the call processing server 110.

The information delivery server 123 may output the extracted ring back tone to the first terminal 10 (S218).

Simultaneously with or after S218, the call processing server 110 may initiate a call connection between the first terminal 10 and the second terminal 30 (S219).

When the call connection between the first terminal 10 and the second terminal 30 is initiated, the information delivery server 123 blocks voice transmission between the first terminal 10 and the second terminal 30 (S220). In operation S221, the second terminal 30 may output a colment. In addition, the information delivery server 123, when at least one of the output of the call connection sound to the first terminal 10 and the output of the column to the second terminal 30 is terminated (S222), the first terminal 10 and the first Voice transmission between the two terminals 30 may be started (S223). To this end, the information delivery server 123 may terminate the output for the rest if the output of any one of the ring-tone and the call is terminated first.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

Claims

A communication system for controlling a telephone connection between a first terminal and a second terminal having at least one virtual number,

A call processing server configured to perform a call connection between the first terminal and the second terminal in response to a call connection request received from the first terminal; And

According to the request of the call processing server extracts the ring back tone and the call corresponding to the virtual number of the second terminal included in the call connection request, outputs the ring back tone to the first terminal, the call And an information processing server that outputs to the second terminal and blocks voice transmission between the first terminal and the second terminal until the output of at least one of the ring tone and the call is terminated.
The method of claim 1,

And the information processing server comprises a virtual number processing server for performing primary subscriber authentication on the second terminal by using the virtual number of the second terminal included in the call connection request.
The method of claim 2,

And the information processing server further comprises a subscriber authentication server for performing secondary subscriber authentication on the second terminal by using an actual telephone number corresponding to the virtual number of the second terminal.
The method of claim 1,

And the information processing server comprises a sound source providing server for storing the ring back tone and the call corresponding to the virtual number of the second terminal.
The method of claim 4, wherein

The information processing server extracts the ring back tone and the call from the sound source providing server in response to a request of the call processing server,

And an information delivery server for controlling the voice connection output to the first terminal, the call output to the second terminal, and voice transmission between the first terminal and the second terminal.
The method of claim 5, wherein

And the information delivery server blocks voice transmission between the first terminal and the second terminal in response to a voice transmission blocking request transmitted from the call processing server.
The method of claim 6,

And the information delivery server initiates voice transmission between the first terminal and the second terminal when the output of at least one of the ring back tone and the comment ends.
The method of claim 1,

The information processing server blocks voice transmission between the first terminal and the second terminal until the output of at least one of the ring tone and the call is terminated while the first terminal and the second terminal are connected. A communication system, characterized in that.
The method of claim 1,

And the information processing server comprises a call record storage server for storing call records between the first terminal and the second terminal.
The method of claim 1,

The call connection sound is a communication system comprising an advertisement sound or a logo song composed of voice or music.
A telephone connection method of a communication system for controlling a telephone connection between a first terminal and a second terminal having at least one virtual number,

Receiving a call connection request from the first terminal;

Extracting a ring tone and a call corresponding to the virtual number of the second terminal included in the call connection request;

Transmitting a call connection reception request to the second terminal;

Outputting the ring back tone to the first terminal;

Receiving a call connection response signal from the second terminal and initiating a call connection between the first terminal and the second terminal; And

Outputting the colum to the second terminal;

And the communication system blocks voice transmission between the first terminal and the second terminal until the output of at least one of the ring back tone and the comment ends.
The method of claim 11,

And the ring back tone and the call line are preset by the communication system.
The method of claim 11,

And determining whether the second terminal corresponds to a service subscriber by using the virtual number of the second terminal.
The method of claim 11,

The call connection sound is a telephone connection method of the communication system, characterized in that it comprises an advertisement sound or a logo song composed of voice or music.