KR20230128654A - Method, system and computer readable recording medium for connecting and recording calls - Google Patents

Abstract

This disclosure proposes a system for call connection and recording. A system according to the present disclosure receives a call connection request from a first external terminal via the PSTN, determines whether the call connection request belongs to one of a plurality of predetermined types, and determines whether the call connection request belongs to a second external terminal. In response to determining that the call connection to the terminal belongs to the first type of request, establish a first connection between the first external terminal and the recording function and a second connection between the second external terminal and the recording function; , voice can be relayed between the first connection and the second connection.

Description

Method, system and computer readable recording medium for call connection and recording

The present disclosure relates to call connection and recording.

Employees of companies or institutions such as banks and securities companies typically use business phones placed at their respective seats. These business phones are also used to make calls with outsiders, such as customers or employees of partner companies, and so-called "direct dial numbers" are assigned to them. This direct number can be displayed as an outgoing number on an outsider's phone when an employee makes a call to an outsider using a work phone. Accordingly, the outsider can be used to immediately reconnect the call with the employee who originally had a consultation or discussion, and the outsider can identify the employee even when the employee calls the outsider again.

If an employee cannot use a business phone in the office due to out-of-office or telecommuting, the effect of the direct dial number is halved. Most work phones offer a call forwarding feature that automatically forwards calls to a direct number to another number of your choice (such as an employee's mobile phone number), but you can turn your work phone on-site to turn this call forwarding feature on or off. It is inconvenient to operate in In addition, when an employee makes a work call using his/her personal cell phone instead of a work phone, there is a problem that the cell phone number, which is personal information, may be exposed. You can use the Caller ID Restriction feature, but it will make it less likely that an outsider will answer the call. Furthermore, if a company or institution has a system with a recording function and is recording business calls according to the policy and needs of the company or institution, there is also a problem that call forwarding to a personal cell phone or recording of a call made to a personal cell phone is not supported. occurs Recording of business calls by an employee using the recording function of a personal mobile phone may not be permitted under laws or policies for the protection of personal information.

A method of using an IP phone as a work phone and installing a VoIP (Voice over Internet Protocol, Internet phone) application on an employee's personal mobile phone so that the employee's work phone and VoIP application are linked to the same direct dial number is also used. It became. According to this configuration, when a call is received from the direct number, a call forwarding request is made to both the business phone and the VoIP application of the personal cell phone at the same time, and the direct number is displayed as the calling number when the call is made through the VoIP application of the personal cell phone. can However, a VoIP call provided through a wireless Internet network such as LTE or WiFi connected to a personal mobile phone has a problem in that call quality is unstable and security risks are high compared to PSTN (Public Switched Telephone Network) calls.

The present disclosure is to solve the problems of the prior art described above, and provides a technology for supporting call connection and recording.

A method performed by a system including a recording function unit according to an aspect of the present disclosure may be proposed. A method according to an aspect of the present disclosure includes receiving a call connection request from a first external terminal via the PSTN, determining whether the call connection request belongs to one of a plurality of predetermined types, and calling In response to a determination that the connection request belongs to the first type requesting a call connection to the second external terminal, a first connection between the first external terminal and the recording function and a first connection between the second external terminal and the recording function are performed. 2 Establishing a connection, and relaying voice between the first connection and the second connection.

In an embodiment, the steps of establishing the first connection and the second connection may include: obtaining an origination number of the call connection request; identifying a direct dial number of a first extension terminal corresponding to the origination number; and and transmitting a call connection request indicating the direct number of the calling number to the second external terminal.

In one embodiment, the first connection and the second connection may constitute a multiparty call between the first external terminal, the recording function unit, and the second external terminal.

According to an embodiment, a method according to an aspect of the present disclosure may change a call forwarding state in an extension terminal corresponding to a first external terminal in response to determining that the call connection request belongs to the second type related to call forwarding. Alternatively, a step of requesting an inquiry may be further included.

According to an embodiment, a method according to an aspect of the present disclosure may, in response to determining that a call connection request belongs to a third type requesting a call connection to a first extension terminal among a plurality of extension terminals, A third connection between the first external terminal and the recording function unit in response to transmitting a call connection request to the terminal and receiving a call forwarding request to a third external terminal in response to the call connection request from the first extension terminal. and establishing a fourth connection between the third external terminal and the recording function unit, and relaying audio between the third connection and the fourth connection.

According to one aspect of the present disclosure, a system including a recording function may be proposed. A system according to one aspect of the present disclosure may include one or more processors and one or more memories storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations. The operations include receiving a call connection request from a first external terminal via the PSTN, determining whether the call connection request belongs to one of a plurality of predetermined types, and determining whether the call connection request belongs to a second external terminal. In response to determining that the call connection to the request belongs to the first type, establish a first connection between the first external terminal and the recording function and a second connection between the second external terminal and the recording function; An operation of relaying voice between the first connection and the second connection may be included.

According to one aspect of the present disclosure, one or more non-transitory computer readable recording media may be proposed. A recording medium according to an aspect of the present disclosure may store instructions that cause the one or more processors to perform operations when executed by one or more processors of a system including a recording function unit. The operations include receiving a call connection request from a first external terminal via the PSTN, determining whether the call connection request belongs to one of a plurality of predetermined types, and determining whether the call connection request belongs to a second external terminal. In response to determining that the call connection to the request belongs to the first type, establish a first connection between the first external terminal and the recording function and a second connection between the second external terminal and the recording function; An operation of relaying voice between the first connection and the second connection may be included.

According to an aspect of the present disclosure, a method performed by a first external terminal to use a system including a recording function unit may be proposed. A method performed by a first external terminal according to an aspect of the present disclosure includes displaying a user interface and acquiring a phone number from a user through the user interface, where the phone number is a phone number of a second external terminal. , and in response to a user input that operates the first element of the user interface, sending a first type of call connection request to the system via the PSTN - the first type of call connection request causes the system to: establishing a first connection between the external terminal and the recording function unit and a second connection between the second external terminal and the recording function unit, and relaying voice between the first connection and the second connection. .

In one embodiment, a method performed by a first external terminal according to an aspect of the present disclosure, in response to a user input for operating a second element of a user interface, sends a second type of call connection request via the PSTN. and transmitting to the system - the second type of call connection request causes the system to request call forwarding settings to the second external terminal to the extension terminal corresponding to the first external terminal. there is.

In one embodiment, the user interface may include the first element and the second element together with a phone number input tool on one screen.

In one embodiment, a method performed by a first external terminal according to an aspect of the present disclosure includes obtaining an authentication code assigned to a first extension terminal among a plurality of extension terminals of a system, and the first external terminal. The method may further include transmitting an authentication code to the system so that the system authenticates the correspondence between the terminal and the first extension terminal.

In an embodiment, the acquiring of the authentication code includes displaying a second user interface for recognizing the authentication code using a camera installed in the first external terminal, and the authentication code is the first extension terminal. It can be recognized as being expressed on the display screen of.

According to various embodiments of the present disclosure, in addition to forwarding a call to a direct dial number of an extension terminal to an external terminal via the PSTN, a call to an external terminal using the direct dial number as an outgoing number is outgoing via the PSTN. Therefore, even when the user vacates the space where the extension terminal is installed due to out-of-office or telecommuting, the direct number can be used in a consistent manner, and the quality and security of the call can be improved.

According to various embodiments of the present disclosure, call recording may be performed even when a call of a direct number is received or sent to an external terminal.

According to various embodiments of the present disclosure, since it is possible to remotely change or inquire the call forwarding state of an extension terminal, user accessibility and convenience can be greatly improved.

1 is a diagram for explaining an operation process of a system according to an embodiment of the present disclosure.
2 is a diagram illustrating a user interface displayed on an external terminal according to an embodiment of the present disclosure.
3 is a block diagram of a system according to an embodiment of the present disclosure.
4 is a diagram illustrating a process of making a call to an external terminal according to an embodiment of the present disclosure.
5 is a diagram illustrating a process of remotely changing or querying a call forwarding state of an extension terminal from an external terminal according to an embodiment of the present disclosure.
6 is a diagram illustrating a process of receiving a call to an external terminal according to an embodiment of the present disclosure.

Various embodiments described in this document are illustrated for the purpose of clearly explaining the technical spirit of the present disclosure, and are not intended to be limited to specific embodiments. The technical spirit of the present disclosure includes various modifications, equivalents, and alternatives of each embodiment described in this document, and embodiments selectively combined from all or parts of each embodiment. In addition, the scope of the technical idea of the present disclosure is not limited to various embodiments or specific descriptions thereof presented below.

Terms used in this document, including technical or scientific terms, may have meanings commonly understood by those of ordinary skill in the art to which this disclosure belongs, unless otherwise defined.

Expressions such as "comprises", "may include", "has", "may have", "has", "may have", etc. used in this document refer to the target characteristics (e.g. function, operation or component), and does not preclude the presence of other additional features. That is, such expressions should be understood as open-ended terms that include the possibility of including other embodiments.

Expressions in the singular form used in this document may include plural meanings unless the context indicates otherwise, and this applies equally to expressions in the singular form in the claims.

As used herein, expressions such as "first", "second", or "first" or "second" refer to plural objects of the same kind, unless the context dictates otherwise, distinguishing one object from another. It is used to do so, and does not limit the order or importance between the subjects.

As used herein, "A, B, and C," "A, B, or C," "A, B, and/or C," or "at least one of A, B, and C," "A, B , or C," "at least one of A, B, and/or C," "at least one selected from A, B, and C," "at least one selected from A, B, or C," "A Expressions such as "at least one selected from , B, and/or C" may mean each listed item or all possible combinations of the listed items. For example, "at least one selected from A and B" means (1) A, (2) at least one of A, (3) B, (4) at least one of B, (5) at least one of A and B (6) at least one of A and B, (7) at least one of B and A, and (8) both A and B.

The expression "unit" used in this document may mean software or a hardware component such as a field-programmable gate array (FPGA) or an application specific integrated circuit (ASIC). However, "unit" is not limited to hardware and software. "Unit" may be configured to be stored in an addressable storage medium or configured to execute one or more processors. In one embodiment, "unit" refers to components such as software components, object-oriented software components, class components and task components, processors, functions, properties, procedures, subroutines, programs. It can include segments of code, drivers, firmware, microcode, circuits, data, databases, data structures, tables, arrays and variables.

As used in this document, the expression "based on or according to" describes one or more factors that influence the act or action of a decision, judgment, or action described in the phrase or sentence in which the expression is included. , this expression does not exclude additional factors that may influence the action or operation of that decision, judgment.

As used in this document, the expression that a certain component (eg, a first component) is "connected" or "connected" to another component (eg, a second component) refers to a component as described above. It may mean not only being directly connected or connected to another component, but also being connected or connected through another new component (eg, a third component).

The expression "configured to" as used in this document means "configured to", "having the ability to", "modified to", "made to", "to do", depending on the context. can have meanings such as "can". The expression is not limited to the meaning of "specifically designed in hardware", for example, a processor configured to perform a specific operation is a special purpose computer structured through programming to perform that specific operation. can mean

Hereinafter, various embodiments of the present disclosure will be described with reference to the accompanying drawings. In the accompanying drawings and description of the drawings, identical or substantially equivalent components may be given the same reference numerals. In addition, in the following description of various embodiments, overlapping descriptions of the same or corresponding components may be omitted, but this does not mean that the corresponding components are not included in the embodiments.

1 is a diagram for explaining an operating process of a system 100 according to an embodiment of the present disclosure. In one embodiment, system 100 may include one or more servers. When the system 100 includes a plurality of servers, the servers may operate as one system 100 by being connected through a network in a locally distributed state.

System 100 may include a recording function 105 . The recording function unit 105 may be implemented in various forms based on various technologies capable of recording contents of a call connected through the system 100 according to an embodiment of the present disclosure. For example, the recording function unit 105 may be implemented by a server that performs processing according to Session Initiation Protocol (SIP).

The system 100 may be configured to assign a direct number to each of a plurality of extension terminals 110 connected to the system 100 by wire. In one embodiment, each direct number may be configured in the order of a common area code and station number, and a unique extension number. The system 100 performs an exchange function of connecting a call to the extension terminal 110 corresponding to the direct number in response to a call connection request from the outside of the system 100 or a specific extension terminal 110 to a specific direct number. can be configured to The system 100 may be configured to perform a process of displaying a corresponding direct number as a calling number when a call is originated from a specific extension terminal 110 . The system 100 may be configured to perform a process allowing each extension terminal 110 to request a call connection with another extension terminal 110 only with an extension number.

The extension terminal 110 may be connected to the system 100 according to an embodiment of the present disclosure by wire and may be various types of devices including a call forwarding function. For example, extension terminal 110 may be a PSTN phone, an IP phone, or a device according to a combination of one or more of the foregoing devices. The extension terminal 110 of the present disclosure is not limited to the above devices.

The system 100 may be configured to receive a call connection request from the external terminals 120, 130, and 140 via the PSTN 150. The system 100 may be configured to determine which of a plurality of predetermined types the call connection request from the external terminals 120, 130, and 140 belongs to. The types of call connection requests are the first type, which is a call connection request from an external terminal to another external terminal, the second type, which requests a change or inquiry of the call forwarding status of an extension terminal, and a call connection request from an external terminal to an extension terminal. A third type may be included.

Hereinafter, exemplary operating processes of the system 100 corresponding to each type of call connection request from the external terminals 120, 130, and 140 will be described in detail.

First, as an example of a call connection request of the first type (a call connection request from an external terminal to another external terminal), a call connection request from the first external terminal 120 to the second external terminal 130 will be described. .

The first external terminal 120 may be, for example, a device used by an employee of a company that operates the system 100 . The first external terminal 120 capable of requesting a first type of call connection according to an embodiment of the present disclosure may be various types of devices having a PSTN call function. For example, the first external terminal 120 may be a portable communication device, a computer device, a portable multimedia device, a wearable device, a home appliance, or a device according to a combination of one or more of the above devices. The first external terminal 120 of the present disclosure is not limited to the above devices.

In one embodiment, the first external terminal 120 may be installed with an application 125 for using various functions supported by the system 100 (eg, call connection, remote change or inquiry of call forwarding status, etc.) there is. When the application 125 is executed in the first external terminal 120, the first external terminal 120 makes a first call to the system 100 through the PSTN call function of the first external terminal 120 according to the user's manipulation. You can make it work to send a call connection request of this type. The application 125 is configured to allow the first external terminal 120 to authenticate or update a correspondence between the first external terminal 120 and a specific extension terminal 110 in conjunction with the system 100 according to a user's manipulation. It can be. For example, when the user manipulates the extension terminal 110 according to instructions displayed through the first external terminal 120 by the application 125, an authentication code (eg, QR code) is displayed on the display screen of the extension terminal 110. code) can be configured to be expressed. When the user inputs this authentication code into the first external terminal 120 through the application 125 (for example, the screen of the extension terminal 110 on which the QR code is displayed is displayed on the first external terminal 120). camera), the first external terminal 120 transmits the entered authentication code to the system 100, and the system 110 authenticates the correspondence between the first external terminal 120 and the extension terminal 110. Alternatively, it may be configured to update a correspondence already authenticated and stored in the system 110.

The call connection request of the first type may take various forms that may be routed from the first external terminal 120 to the system 100 via the PSTN 150 . For example, the first type of call connection request may take the form of a call connection request to a specific direct number not assigned to any extension terminal 110 . In this case, the system 100 identifies the first type of call connection request based on the above direct number, and transmits the phone number of the second external terminal 130 to which connection is actually desired via the PSTN 150 to the first external terminal. (120). As another example, the first type of call connection request may take the form of a call connection request to a representative phone number of the system 100 . In this case, the system 100 additionally displays an indication indicating that the call connection request is of the first type and the phone number of the second external terminal 130 to which connection is actually desired from the first external terminal 120 via the PSTN 150. It can be configured to receive.

For example, the second external terminal 130 may be a device used by an outsider, such as a customer of a company that operates the system 100 or an employee of a cooperative company. As described below, the second external terminal 130, which is the connection request target of the first type of call connection request, indicates the direct dial number of the extension terminal 110 corresponding to the first external terminal 120 as the calling number. A device that can receive a request and process it accordingly is sufficient. Accordingly, the second external terminal 130 may be any device that provides a general call function (eg, a phone application basically built into the second external terminal 130 or a separately installed commercial VoIP application).

In response to determining that the call connection request from the first external terminal 120 belongs to the first type, the system 100 establishes a first connection between the first external terminal 120 and the recording function unit 105; And it may be configured to establish a second connection between the second external terminal 130 and the recording function unit 105 . In the process of establishing the first connection and the second connection, the system 100 identifies the originating number of the first type of call connection request, that is, the phone number of the first external terminal 120, and responds to the originating number. It may be configured to identify the direct number of a specific extension terminal 110 and transmit a call connection request indicating the direct number as the calling number to the second external terminal 130 . Through this, the second external terminal 130 may receive a call connection request indicating the phone number of the first external terminal 120 as the calling number, and if the call connection request is accepted by the second external terminal 130, the second external terminal 130 may receive a call connection request. 2 A second connection between the external terminal 130 and the recording function unit 105 may be established. In one embodiment, the first connection and the second connection may constitute a multiparty call between the first external terminal 120 , the recording function unit 105 , and the second external terminal 130 .

The correspondence between the phone number of the first external terminal 120 and the direct number of the extension terminal 110 is, for example, part of the personnel information database of the company operating the system 100, within the system 100 or It may be pre-stored in various forms that system 100 can access. In one embodiment, the correspondence between the phone number of the first external terminal 120 and the direct number of the extension terminal 110 may be input or updated through the application 125 installed in the first external terminal 120. .

Once the first connection and the second connection are established, the system 100 may be configured to relay audio between the first connection and the second connection via the recording function 105 . Through this, a voice call is made between the first external terminal 120 and the second external terminal 130 and at the same time, the voice relayed by the recording function unit 105 is recorded, thereby recording the call. The system 100 sends a voice guidance notifying that the call is scheduled to be recorded (for example, “recording is in progress, if you do not want to end the call, please end the call”) before the call recording is performed through the first and second connections to the first external terminal ( 120) and the second external terminal 130. The system 100 may be configured to transmit, to the first external terminal 120, a text message notifying the end of call recording after the call recording is finished.

Next, a call connection request from the first external terminal 120 will be described as an example of a call connection request of the second type (change of call forwarding status of an extension terminal or inquiry request).

When the application 125 is executed in the first external terminal 120, the first external terminal 120 makes a second call to the system 100 through the PSTN call function of the first external terminal 120 according to the user's manipulation. You can make it work to send a call connection request of this type.

The system 100 may be configured to perform a process of changing or inquiring the call forwarding status of a specific extension terminal 120 after establishing a call connection with the first external terminal 120 in response to the second type of call connection request. there is.

The call connection request of the second type can take various forms that can be routed from the first external terminal 120 to the system 100 via the PSTN 150 . For example, the second type of call connection request may take the form of a call connection request to a specific direct number not assigned to any extension terminal 110 . In this case, the system 100 may be configured to identify the second type of call connection request based on the above direct number. As another example, the second type of call connection request may take the form of a call connection request to a representative phone number of the system 100 . In this case, the system 100 may be configured to additionally receive an indication indicating that the call connection request is of the second type from the first external terminal 120 via the PSTN 150 .

In response to determining that the call connection request from the first external terminal 120 belongs to the second type, the system 100 sends the call forwarding state to a specific extension terminal 110 corresponding to the first external terminal 120. It can be configured to request a change or inquiry of. In this process, the system 100 identifies the originating number of the call connection request of the second type, that is, the phone number of the first external terminal 120, and directs a specific extension terminal 110 corresponding to the originating number. It can be configured to identify a number. In addition, the system 100 may be configured to additionally receive information for specifying processing to be performed regarding call forwarding of the extension terminal 110 from the first external terminal 120 via the PSTN 150. For example, the system 100 may additionally receive an indication indicating that a call forwarding setup request is being made and a phone number to which the call forwarding is to be forwarded. At this time, the phone number to transfer the call is a phone number input by the user of the first external terminal 120 through the application 125, and the phone number of the first external terminal 120 requesting the second type of call connection. It may be the same as or different from the number. As another example, system 100 may further receive an indication indicating a call forward release request. As another example, system 100 may further receive an indication indicating a call forwarding status inquiry request.

When a request is made to the extension terminal 110 to change the call forwarding status, the system 100 processes the request from the extension terminal 110 (e.g., call forwarding setting success, call forwarding setting failure, call forwarding release success, call forwarding It may be configured to transmit a voice guide for a processing result to the first external terminal 120 based on receiving a message for a release failure). When the extension terminal 110 is requested to inquire about the call forwarding status, the system 100 responds to the call forwarding status inquiry result from the extension terminal 110 (eg, call forwarding to a specific number, call forwarding canceled) It may be configured to transmit a voice guide for an inquiry result to the first external terminal 120 based on receiving the message.

Finally, as an example of a call connection request of the third type (a call connection request from an external terminal to an extension terminal), a call connection request from the second external terminal 130 to the extension terminal 120 will be described.

The third type of call connection request takes the form of a call connection request to the direct number of the extension terminal 120, which is the target of the call connection request, like the conventional call connection request. Therefore, the second external terminal 130 capable of transmitting the third type of call connection request has a general call function (eg, a phone application basically built into the second external terminal 130 or a separately installed commercial VoIP application). ) can be any device that provides

The third external terminal 140 may be, for example, a device used by an employee of a company that operates the system 100 . As will be described below, the third external terminal 140, which is the connection request target of the third type of call connection request, receives the call connection request indicating the phone number of the second external terminal 130 as the calling number and processes accordingly. Any device that can do that is sufficient. Accordingly, the third external terminal 140 may be any device that provides a general call function (eg, a phone application basically built into the third external terminal 140 or a separately installed commercial VoIP application).

The system 100 may be configured to transfer the call connection request to the extension terminal 120 in response to determining that the call connection request from the second external terminal 130 belongs to the third type. Assuming that call forwarding to the third external terminal 140 is set in the extension terminal 120, the extension terminal 120 responds with a call forwarding request to the third external terminal 140 in response to the received above call connection request. will respond to (100). The system 100 establishes a third connection between the second external terminal 130 and the recording function unit 105 in response to receiving such a call forwarding request from the extension terminal 120, and the third external terminal 140. It may be configured to establish a fourth connection between the recording function 105 . In the process of establishing the third connection and the fourth connection, the system 100 acquires the originating number of the third type of call connection request, that is, the phone number of the second external terminal 130, and obtains the second external terminal 130. ) may be configured to transmit a call connection request indicating the phone number as the calling number to the third external terminal 140 . Through this, the third external terminal 140 can receive a call connection request indicating the phone number of the second external terminal 130 as the calling number, and if the third external terminal 140 accepts it, the third external terminal 120 ) and the recording function 105 will be established. In one embodiment, the third connection and the fourth connection may constitute a multiparty call between the second external terminal 130 , the recording function unit 105 , and the third external terminal 140 .

Once the third and fourth connections are established, the system 100 may be configured to relay audio between the third and fourth connections via the recording function 105 . Through this, a voice call between the second external terminal 130 and the third external terminal 140 can be made, and a call can be recorded by recording the voice relayed by the recording function unit 105 . The system 100 transmits a voice guidance notifying that the call is scheduled to be recorded (for example, “recording is in progress. 130) and the third external terminal 140. The system 100 may be configured to transmit a text message notifying the end of call recording to the third external terminal 140 after end of call recording.

2 is a diagram illustrating a user interface 200 displayed on a first external terminal 120 according to an embodiment of the present disclosure. The user interface 200 may be displayed on the touch screen of the first external terminal 120 while the application 125 installed in the first external terminal 120 is running.

According to one embodiment, the user interface 200 may include a phone number input tool 210, a call connection request button 220, a call transfer setting button 230, and an additional function button 240. In some embodiments, at least one of these elements of the user interface 200 may be omitted or other elements may be added to the user interface 200 . In some embodiments, additionally or alternatively, some components of the user interface 200 may be integrated and implemented or implemented separately as a plurality of components.

The phone number input tool 210 is a component for obtaining a phone number input consisting of numbers from a user. In one embodiment, the number input tool 210 may display Arabic numerals 0 to 9 and characters * and #, respectively. When a user's touch input to an area corresponding to each number or letter of the number input tool 210 is detected, the first external terminal 120 can operate to process the corresponding number or letter as a user input. A part of the number input tool 210 (eg, the upper part of the number input tool 210 in FIG. 2) may display numbers, characters, or a combination thereof input by the user in the input order.

The first external terminal 120, in response to the user's touch input to the call connection request button 220, sends a first type of call connection request requesting a call connection to the phone number input by the user via the PSTN. and transmit it to the system 100.

In response to the user's touch input to the call forwarding setup button 230, the first external terminal 120 sends a call connection request of the second type to the PSTN to request call forwarding setting to the phone number input by the user. may be configured to transmit to system 100 via Accordingly, the system 100 requests call forwarding settings to the extension terminal 110 corresponding to the first external terminal 120, and call forwarding settings can be made in the extension terminal 110. As such, since a call connection request and call forwarding can be set within a single integrated user interface, user convenience can be greatly improved.

The first external terminal 120, in response to a user's touch input to the additional function button 240, provides an additional user interface (eg, a drop-down menu, a pop-up window, etc.) that allows the user to select one or more additional functions. It can be configured to express. Such additional functions may include call forwarding release of the extension terminal 110 corresponding to the first external terminal 120 and call forwarding state inquiry. The first external terminal 120 may be configured to transmit, in response to a user input for selecting call forwarding release, a call connection request of a second type requesting call forwarding release to the system 100 via the PSTN. . The first external terminal 120 may be configured to transmit a second type of call connection request requesting call forwarding status inquiry to the system 100 via the PSTN in response to a user input for selecting call forwarding status inquiry. can

3 is a block diagram representation of a system 100 according to one embodiment of the present disclosure. According to one embodiment, the system 100 may include a switching function unit 310, a voice response function unit 320, a recording function unit 330, and a remote call forwarding function unit 340.

Each functional unit of the system 100 according to an embodiment of the present disclosure may be implemented in hardware, software or firmware, and/or any combination thereof. For example, each functional unit of the system 100 may be implemented with dedicated hardware and/or software for the corresponding function, or may be implemented with general-purpose hardware and/or software in a virtualized form. In order to implement at least some functional units of the system 100, cloud computing or distributed computing may be used.

At least some of the internal and external components of the system 100 are various wired and wireless communication technologies (eg long-term evolution (LTE), LTE Advance (LTE-A), code division multiple access (CDMA), WCDMA) (wideband CDMA), WiBro (Wireless Broadband), WiFi (wireless fidelity), Bluetooth (Bluetooth), NFC (near field communication), GPS (Global Positioning System), GNSS (global navigation satellite system) USB (universal serial bus), They are connected to each other through high definition multimedia interface (HDMI), recommended standard 232 (RS-232), or plain old telephone service (POTS), and can exchange data and/or signals. In some embodiments, at least one of these components of system 100 may be omitted, or other components may be added to system 100. In some embodiments, additionally or alternatively, some components may be implemented as an integrated entity, or implemented as a singular or plural entity.

The switching function unit 310 receives a call connection request through an external telephone line connected to the system 100 and transfers the call connection request to a specific extension terminal 110, or transmits a call connection request from the extension terminal 110 to another extension terminal 110. ) or processing for delivery via an external telephone line. In one embodiment, the switching function unit 310 determines which type of a plurality of predetermined types the call connection request from outside the system 100 belongs to, and performs processing for each type as illustrated in FIGS. 4 to 6 can be configured to The switching function unit 310 may be implemented in various types of commercial or dedicated private branch exchanges (PBXs) (eg, IP-PBXs).

The voice response function unit 320 may be configured to receive voice input or number input, and generate and transmit a voice output in response thereto. In one embodiment, as illustrated in FIGS. 4 to 6 , the voice response function unit 320 searches for the direct dial number of the extension terminal 110 corresponding to the calling number of the call connection request or sends the call connection request. Based on the number and the direct number of the extension terminal 110 corresponding to the number, it may be configured to verify whether the user is authorized or to transmit data for setting or inquiry of a call forwarding state to the remote call forwarding function unit 330. . For example, a personnel information database of a company operating the system 100 may be used to inquire the direct dial number of the extension terminal 110 or to verify whether the user is an authorized user. The response response function unit 320 may be implemented with various types of commercial or dedicated voice response devices (eg, IVR (Interactive Voice Response)).

As illustrated in FIGS. 4 and 6 , the recording function unit 330 may be configured to establish a plurality of connections for one call connection request, relay audio between the plurality of connections, and record the relayed audio. can The recorded voice may be stored, for example, in a storage within the recording function 330, a storage connected to the recording function 330 through a network, or any combination thereof. The recording function unit 330 may be implemented based on SIP.

As illustrated in FIG. 5, the remote call forwarding function unit 340 receives data for setting or querying a call forwarding state from the voice response function unit 320, and generates a call forwarding state setting or inquiry event. It may be configured to transmit to the extension terminal 110, receive a call forwarding state setting or inquiry result from the extension terminal 110, and transmit the call forwarding state setting or inquiry result to the voice response function unit 320. there is. The remote call forwarding function unit 340 may be implemented in various types of general-purpose or dedicated information processing devices or modules.

4 is a diagram illustrating a process 400 of sending a call to an external terminal according to an embodiment of the present disclosure. The process illustrated in FIG. 4 corresponds to an exemplary process of processing a first type of call connection request from the first external terminal 120 to the second external terminal 130 .

In step 401, the first external terminal 120 receives a user input through the user interface 200 illustrated in FIG. 2 and generates a first type of call connection request to the second external terminal 130. and send it This call connection request is routed to the system 100 via the PSTN 150, and the call connection request received by the system 100 is sent to the switching function unit 310 of the system 100 via, for example, a gateway. ) is transmitted to

In step 402, the switching function unit 310 determines that the received call connection request belongs to the first type, establishes a connection with the first external terminal 120 in response to the determination, and establishes the calling number of the call connection request. (ie, the phone number of the first external terminal 120) and the phone number of the target of the connection request (ie, the phone number of the second external terminal 130) are acquired.

In step 403, the switching function unit 310 transfers the connection with the first external terminal 120 to the voice response function unit 320. At this time, the switching function unit 310 transfers each of the phone number of the first external terminal 120 and the phone number of the second external terminal 130 to the voice response function unit 320 as part of the above transmission or additionally.

In step 404, the voice response function unit 320 searches for the direct dial number of the extension terminal 110 corresponding to the phone number of the first external terminal 120. The voice response function unit 320 may search for the above direct number in the personnel information database of the company operating the system 100, for example.

In step 405, the voice response function unit 320 transfers the connection with the first external terminal 120 to the exchange function unit 310. At this time, the voice response function unit 320 transfers each of the direct dial number of the extension terminal 110 and the telephone number of the external terminal 130 to the exchange function unit 310 as part of the above transmission or additionally.

In step 406 , the exchange function unit 310 transfers the connection with the first external terminal 120 to the recording function unit 330 . At this time, the exchange function unit 310 transmits the direct dial number of the extension terminal 110 and the telephone number of the external terminal 130 to the recording function unit 330 as part of the above transmission or additionally.

In step 407, the recording function unit 330 generates and transmits a call connection request to the second external terminal 130. This call connection request indicates the direct number of the extension terminal 110 as the calling number. This call connection request may be transmitted to the second external terminal 130 via the switching function unit 310 and the PSTN 150, for example. If the second external terminal 130 accepts the call connection request, the first connection between the first external terminal 120 and the recording function unit 105, and the second external terminal 130 and the recording function unit 105 ) A second connection between them can be established.

5 is a diagram illustrating a process 500 of remotely changing or querying a call forwarding state of an extension terminal from an external terminal according to an embodiment of the present disclosure. The process shown in FIG. 5 corresponds to an exemplary process of processing a call connection request of the second type from the first external terminal 120 .

In step 501, the first external terminal 120 receives a user input through, for example, the user interface 200 illustrated in FIG. This type of call connection request is created and transmitted. This call connection request is routed to the system 100 via the PSTN 150, and the call connection request received by the system 100 is sent to the switching function unit 310 of the system 100 via, for example, a gateway. ) is transmitted to

In step 502, the switching function unit 310 determines that the received call connection request belongs to the second type, establishes a connection with the first external terminal 120 in response to the determination, and establishes the calling number of the call connection request. (ie, the phone number of the first external terminal 120) and the direct number of the extension terminal 110 are obtained. In this case, the direct number of the extension terminal 110 is a direct number corresponding to the first external terminal 120 in the authentication or update process through the application 125 installed in the first external terminal 120, and the first external terminal 120 may be stored in In the case of a call connection request for call forwarding setup, the switching function unit 310 additionally obtains a phone number to be forwarded through a connection with the first external terminal 120 . The phone number to be forwarded may be the one input by the user to the first external terminal 120 through the user interface 200 of the application 125, and may be the same as or different from the phone number of the first external terminal 120. You may.

In step 503, the switching function unit 310 transfers the connection with the first external terminal 120 to the voice response function unit 320. At this time, the switching function unit 310 transfers the phone number of the first external terminal 120 and the direct dial number of the extension terminal 110 to the voice response function unit 320 as part of the above transmission or additionally. In the case of a call connection request for call forwarding setup, the switching function unit 310 additionally transfers the phone number to be forwarded to the voice response function unit 320.

In step 504, the voice response function unit 320 verifies whether or not the authorized user is based on the calling number of the call connection request and the direct dial number of the extension terminal 110 corresponding thereto. The voice response function unit 320 may perform the above verification by, for example, querying a personnel information database of a company operating the system 100 .

In step 505, the voice response function unit 320 transfers data for setting or inquiry of a call forwarding state to the remote call forwarding function unit 330. In the case of a call connection request for call forwarding setting, the above data may include a direct number of the extension terminal 110 and a phone number to be forwarded. In the case of a call connection request for call forward release or call forwarding status inquiry, the above data may include the direct number of the extension terminal 110 .

In step 506, the remote call forwarding function unit 330 generates a call forwarding status setting or inquiry event based on the data received from the voice response function unit 320 and transmits the call forwarding status setting event to the extension terminal 110. This event may be transmitted to the extension terminal 110 through the switching function unit 310, for example.

In step 507, the extension terminal 110 responds to the event received from the remote call forwarding function unit 330 to set or inquire a call forwarding state.

In step 508, the extension terminal 110 transmits a call forwarding status setting or inquiry process result to the remote call forwarding function unit 330. The result of this processing may be transmitted to the remote call forwarding function 330 via the switching function 310, for example.

In step 509, the remote call forwarding function unit 330 generates call forwarding state setting or inquiry processing result data based on the processing result received from the extension terminal 110, and transmits it to the voice response function unit 320. In one embodiment, as a subsequent process, the voice response function unit 320 may be configured to transmit a voice guide for the processing result to the first external terminal 120 through the exchange function unit 310. Additionally or alternatively, the voice response function unit 320 may be configured to transmit a text message about a processing result to the first external terminal 120 .

6 is a diagram illustrating a process 600 of receiving a call to an external terminal according to an embodiment of the present disclosure. The process illustrated in FIG. 6 corresponds to an exemplary process of processing a call connection request of the third type from the second external terminal 130 to the third external terminal 140 . In the following description, it is assumed that call forwarding to the third external terminal 140 is set in the extension terminal 110 .

In step 601, the second external terminal 130 generates and transmits a call connection request to the extension terminal 110. This call connection request is routed to the system 100 via the PSTN 150, and the call connection request received by the system 100 is sent to the switching function unit 310 of the system 100 via, for example, a gateway. ) is transmitted to

In step 602, the switching function unit 310 determines that the received call connection request belongs to the third type, and transfers the call connection request to the extension terminal 110 in response to the determination.

In step 603, the extension terminal 110 transmits a call forwarding request to the second external terminal 130 to the switching function unit 310 according to call forwarding settings.

In step 604, the switching function unit 310 transfers the connection with the second external terminal 130 to the recording function unit 330. At this time, the exchange function unit 310 transfers the direct number of the extension terminal 110 to the recording function unit 330 as part of the above transmission or additionally.

In step 605, the recording function unit 330 generates and transmits a call connection request to the third external terminal 140. This call connection request may be transferred to the third external terminal 140 via the switching function unit 310 and the PSTN 150, for example. If the second external terminal 120 accepts the call connection request, the third connection between the second external terminal 130 and the recording function unit 105, and the third external terminal 140 and the recording function unit 105 ) A fourth connection between them can be established.

Although each step according to the present disclosure has been described in a sequential order in the process shown in FIGS. 4 to 6, each step may be performed in an order that can be arbitrarily combined according to the present disclosure, in addition to being performed sequentially. The description according to FIGS. 4 to 6 does not exclude changes or modifications to the procedure, and does not imply that any step is essential or desirable. In one embodiment, at least some of the steps may be performed in parallel, iteratively or heuristically. In one embodiment, at least some steps may be omitted or other steps may be added.

Various embodiments of the present disclosure may be implemented as software in a machine-readable storage medium. The software may be software for implementing various embodiments of the present disclosure. Software can be inferred from various embodiments of this disclosure by programmers skilled in the art. For example, software may be a program containing machine-readable instructions (eg, code or code segments). A device is a device capable of operating according to a command called from a storage medium, and may be, for example, a computer. In one embodiment, the device may be one or more servers that make up system 100 according to embodiments of the present disclosure. In one embodiment, the processor of the device may execute the called command, so that components of the device perform functions corresponding to the command. The storage medium may refer to all types of recording medium in which data that can be read by a device is stored. The storage medium may include, for example, ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like. In one embodiment, the storage medium may be implemented in a distributed form such as a computer system connected to a network. The software may be distributed, stored, and executed on a computer system or the like. The storage medium may be a non-transitory storage medium. A non-transitory storage medium means a tangible medium regardless of whether data is stored semi-permanently or temporarily, and does not include a signal propagated temporarily.

Although the technical idea of the present disclosure has been described by various embodiments, the technical idea of the present disclosure includes various substitutions, modifications, and changes that can be made within the scope understandable by those skilled in the art to which the present disclosure belongs. include It is also to be understood that such substitutions, modifications and alterations may be included within the scope of the appended claims.

Claims (20)

A method performed by a system including a recording function,
Receiving a call connection request from a first external terminal via the PSTN;
determining whether the call connection request belongs to one of a plurality of predetermined types; and
In response to a determination that the call connection request belongs to the first type requesting a call connection to a second external terminal, a first connection between the first external terminal and the recording function unit and the second external terminal and the recording function unit. establishing a second connection between a recording function and relaying audio between the first connection and the second connection;
How to include. According to claim 1,
Establishing the first connection and the second connection,
obtaining an origination number of the call connection request;
identifying a direct dial number of a first extension terminal corresponding to the calling number; and
Transmitting a call connection request indicating the direct number of the extension terminal as an originating number to the second external terminal
How to include. According to claim 1,
The first connection and the second connection constitute a multiparty call between the first external terminal, the recording function unit, and the second external terminal. According to any one of claims 1 to 3,
In response to determining that the call connection request belongs to the second type of call forwarding, requesting a call forwarding state change or inquiry to an extension terminal corresponding to the first external terminal.
How to include more. According to any one of claims 1 to 3,
transmitting the call connection request to the first extension terminal in response to determining that the call connection request belongs to a third type requesting a call connection to a first extension terminal among a plurality of extension terminals; and
In response to receiving a call forwarding request to a third external terminal in response to the call connection request from the first extension terminal, a third connection between the first external terminal and the recording function unit and the third external terminal establishing a fourth connection between the recording functions and relaying audio between the third connection and the fourth connection;
How to include more. A system including a recording function,
one or more processors; and
One or more memories stored with instructions that, when executed by the one or more processors, cause the one or more processors to perform operations
Including, the operations,
receiving a call connection request from a first external terminal via the PSTN;
determining whether the call connection request belongs to one of a plurality of predetermined types; and
In response to a determination that the call connection request belongs to the first type requesting a call connection to a second external terminal, a first connection between the first external terminal and the recording function unit and the second external terminal and the recording function unit. Establishing a second connection between recording functions and relaying audio between the first connection and the second connection
Including, system. According to claim 6,
The operation of establishing the first connection and the second connection,
obtaining an origination number of the call connection request;
identifying a direct dial number of a first extension terminal corresponding to the calling number; and
Transmitting a call connection request indicating the direct number of the extension terminal as the originating number to the second external terminal
Including, system. According to claim 6,
The first connection and the second connection constitute a multiparty call between the first external terminal, the recording function unit, and the second external terminal. According to any one of claims 6 to 8,
These actions are
In response to determining that the call connection request belongs to the second type of call forwarding, requesting a call forwarding state change or inquiry to the extension terminal corresponding to the first external terminal.
Further comprising a system. According to any one of claims 6 to 8,
These actions are
transmitting the call connection request to the first extension terminal in response to determining that the call connection request belongs to a third type requesting a call connection to a first extension terminal among a plurality of extension terminals; and
In response to receiving a call forwarding request to a third external terminal in response to the call connection request from the first extension terminal, a third connection between the first external terminal and the recording function unit and the third external terminal Establishing a fourth connection between the recording functions and relaying audio between the third connection and the fourth connection
Further comprising a system. One or more non-transitory computer-readable storage media storing instructions that, when executed by one or more processors of a system including a recording function, cause the one or more processors to perform operations,
These actions are
receiving a call connection request from a first external terminal via the PSTN;
determining whether the call connection request belongs to one of a plurality of predetermined types; and
In response to a determination that the call connection request belongs to the first type requesting a call connection to a second external terminal, a first connection between the first external terminal and the recording function unit and the second external terminal and the recording function unit. Establishing a second connection between recording functions and relaying audio between the first connection and the second connection
One or more non-transitory computer-readable recording media comprising a. According to claim 11,
The operation of establishing the first connection and the second connection,
obtaining an origination number of the call connection request;
identifying a direct dial number of a first extension terminal corresponding to the calling number; and
Transmitting a call connection request indicating the direct number of the extension terminal as the originating number to the second external terminal
One or more non-transitory computer-readable recording media comprising a. According to claim 11,
wherein the first connection and the second connection constitute a multiparty call between the first external terminal, the recording function unit, and the second external terminal. According to any one of claims 11 to 13,
These actions are
In response to determining that the call connection request belongs to the second type of call forwarding, requesting a call forwarding state change or inquiry to the extension terminal corresponding to the first external terminal.
Further comprising, one or more non-transitory computer-readable recording media. According to any one of claims 11 to 13,
These actions are
transmitting the call connection request to the first extension terminal in response to determining that the call connection request belongs to a third type requesting a call connection to a first extension terminal among a plurality of extension terminals; and
In response to receiving a call forwarding request to a third external terminal in response to the call connection request from the first extension terminal, a third connection between the first external terminal and the recording function unit and the third external terminal Establishing a fourth connection between the recording functions and relaying audio between the third connection and the fourth connection
Further comprising, one or more non-transitory computer-readable recording media. A method performed by a first external terminal to use a system including a recording function unit,
displaying a user interface;
acquiring a phone number from a user through the user interface, wherein the phone number is a phone number of a second external terminal; and
In response to a user input for operating the first element of the user interface, sending a call connection request of a first type to the system via the PSTN - the first type of call connection request causes the system to: establish a first connection between the first external terminal and the recording function unit and a second connection between the second external terminal and the recording function unit, and relay audio between the first connection and the second connection; is to do -
How to include. According to claim 16,
In response to a user input for operating a second element of the user interface, sending a call connection request of a second type to the system via the PSTN - the second type of call connection request causes the system to: To request the extension terminal corresponding to the first external terminal to set call forwarding to the second external terminal -
How to include more According to claim 17,
Wherein the interface includes the first element and the second element together with a phone number input tool on one screen. According to claim 16,
obtaining an authentication code assigned to a first extension terminal among a plurality of extension terminals of the system; and
Transmitting the authentication code to the system so that the corresponding relationship between the first external terminal and the first extension terminal is authenticated by the system.
How to include more. According to claim 19,
Obtaining the authentication code,
Displaying a second user interface for recognizing the authentication code using a camera installed in the first external terminal
and wherein the authentication code is recognized as displayed on a display screen of the first extension terminal.

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