KR20180056334A - Method for Processing Local Phone Call in a Foreign Country based on Application - Google Patents

Abstract

The present invention relates to an application-based local call method in a foreign country. The method according to the present invention is executed through a foreign country server, which is provided in a foreign country, not a domestic country to which a communications company to which a user wireless terminal is subscribed belongs. The method comprises: a first step of setting a home country of an application executed in a user wireless terminal as the domestic country, or checking a setting; a second step of checking whether the position of the wireless terminal is a domestic country which corresponds to the home country of the application; a third step of performing a procedure designated to register position registration information of the wireless terminal in a designated visit position registration D/B of a foreign country server; a fourth step of checking position registration information, and storing the position registration information in the designated visit position registration D/B of the foreign country server; a fifth step of checking an IP-based call connection request; a sixth step of checking whether a calling number of the IP-based call connection request matches the position registration information registered in the visit position registration D/B; a seventh step of checking whether an incoming number of the call connection request is a local phone number of a foreign country where the wireless terminal is located; and an eighth step of performing a call connection procedure by a foreign country local phone number. A user can use a call service with a call fee which is equal to or cheaper than a conventional foreign country local call fee.

Description

[0001] App-based Local Calling Method [

The present invention provides a method of setting a home country of an app by setting an application designated in a user wireless terminal to a home country of a communication company to which the wireless terminal is subscribed, The location registration information of the wireless terminal is registered in an overseas server provided in a foreign country where the wireless terminal is located and when an IP based call connection is requested through an app from an overseas wireless terminal, When the destination terminal of the connection request is identified and the local terminal number of the corresponding wireless terminal is found, the foreign server transmits the IP-based call connection through the phone emulator corresponding to the foreign local phone registered in the foreign communication company in which the mobile terminal is located, The request is converted into an overseas local call connection request and processed so as to be transmitted to a foreign country locally.

An application-based domestic originating service for an overseas local area where an app is installed in a domestic user's smartphone and the application is transmitted from a domestic country to a local telephone number of a certain foreign country (for example, , A service that makes calls from a domestic smartphone app to a foreign friend's home), installs an app on a domestic user's smartphone, leaves to a certain overseas country, and sends a free / low- Based overseas outbound services are being provided. Both services have a common point of origin through apps installed on smartphones, but there are only differences in whether they originate from an app or from abroad. That is, the conventional application-based originating service can provide a free / low cost phone call by sending an internet phone call through the app even if the call quality is poor.

However, when a domestic smartphone user departs overseas and requests a call to a foreign local telephone number (for example, a telephone number of a call terminal subscribed to an overseas communication company), in addition to a call connection method in which an expensive call charge is applied through international roaming , There is no way of establishing a call connection by requesting a call connection to an overseas local telephone number at an overseas local call rate level or a lower cost by installing an app on a smart phone and there is a technical difficulty in providing such a call connection have.

In order to solve the above problems, an object of the present invention is to provide a mobile wireless communication terminal, which is installed in a user wireless terminal and sets a home country of an app to a home country to which a communication company subscribed to the wireless terminal belongs, The location registration information of the wireless terminal is registered in an overseas server provided in a foreign country where the wireless terminal is located and the wireless terminal located in an overseas country Based call connection request is read out from the overseas server and the overseas terminal is connected to an overseas local phone subscribed to an overseas communication company in which the mobile terminal is located, Converts the IP-based call connection request into a foreign local call connection request through a corresponding phone emulator, Is the app based foreign local calling method for lock processing to provide.

A method of executing an application-based overseas local calling method according to the present invention is a method in which a user wireless terminal is executed through an overseas server provided in a country other than the home country to which a registered communication company belongs, A step of setting or confirming the home country of the app in the home country by the application executed in the user wireless terminal when the installation is executed; and a step of allowing the app executed by the user wireless terminal to determine the location of the wireless terminal A second step of confirming whether the position of the positioned wireless terminal corresponds to a home country of the app, and if the location of the wireless terminal is not the domestic wireless terminal, The location registration information of the wireless terminal is registered in the designated visited location registration D / B of the foreign server provided overseas in which the terminal is located A fourth step of checking the location registration information of the wireless terminal that has performed the designated procedure and storing the received location registration information in the designated visited location registration D / B of the foreign server; Based call connection request through the application of the user wireless terminal; and a fifth step of confirming an IP-based call connection request through the application of the user wireless terminal. The overseas server reads the IP-based call connection request of the application of the wireless terminal, A sixth step of confirming that the originating number is matched with the location registration information registered in the visited location registration D / B, when the originating number is matched with the location registration information of the visited location registration D / B, The method comprising the steps of: (a) reading a request and confirming that a called number of the call connection request is a local telephone number of a foreign country in which the wireless terminal is located; The external server converts an IP-based call connection request of the application of the wireless terminal into an overseas local call connection request through a phone emulator corresponding to an overseas local phone subscribed to an overseas communication company in which the wireless terminal is located, And an eighth step of performing a procedure.

According to another aspect of the present invention, there is provided an application-based overseas local calling method, wherein when a designated application is installed in a user wireless terminal, a domestic server installed in the domestic is installed and executes a designated application, And identifying and storing unique identification information that uniquely identifies the unique identification information.

According to another aspect of the present invention, there is provided an application-based overseas local calling method, wherein the application installed in the user wireless terminal further comprises checking whether the application is executed after the wireless terminal boots from abroad, The step of positioning the wireless terminal by the location positioning unit and checking whether the country corresponding to the location of the positioned wireless terminal is the home country corresponding to the home country of the app, .

According to the present invention, the location-registration information of the wireless terminal is registered in the visited location registration D / B of the overseas server, and the app of the user wireless terminal located overseas then performs IP-based communication Requesting an IP-based call connection to the foreign server through the network.

According to the present invention, the wireless terminal is operated by receiving power through a port of the wireless terminal, connects the wireless terminal with the wireless LAN section, connects to the mobile network of the foreign country, Wherein the wireless terminal is connected to a wireless data network via a mobile communication network of the foreign country, and the third step is a step in which the application of the wireless terminal encapsulates the wireless terminal through an IP-based communication using the wireless LAN access point, The location registration information of the wireless terminal can be registered in the designated visited location registration D / B of the foreign server provided overseas.

According to another aspect of the present invention, there is provided an application-based overseas local calling method, wherein after the location registration information of the wireless terminal is registered in a visited location registration D / B of the foreign server, And requesting the IP-based call connection to the foreign server through IP-based communication using the device.

According to the present invention, in the third step, when the location of the wireless terminal is not the domestic, the application of the wireless terminal communicates with the domestic server corresponding to the home country of the app through the IP- The method comprising the steps of: transmitting location identification information identifying an overseas location of the terminal; receiving location identification information of a wireless terminal not located in the domestic server and configuring location registration information corresponding to the location of the wireless terminal, Storing in a designated home location registration D / B of the wireless terminal; identifying the foreign server provided in the foreign country where the wireless terminal is located based on the location registration information of the wireless terminal; And sharing and transmitting location registration information of the wireless terminal to the foreign server using an IP-based communication channel connected to the confirmed foreign server.

According to the present invention, in the fourth step, the foreign server receives the location registration information of the wireless terminal from the domestic server through the IP-based communication channel between the domestic server and the foreign server, And the like.

According to the present invention, the phone emulator is hardware-enabled to be recognized as a virtual call terminal subscribed to the company in an actual call terminal connected to the foreign server in which the mobile terminal is located and communicating with the foreign server, A communication module that is modularized into a communication module that is interfaced with the foreign server, a communication module that is implemented as a software module so that the communication terminal is recognized as a virtual calling terminal joined to the company in an overseas communication company in which the wireless terminal is located, And a calling module implemented in hardware or software to recognize the calling terminal as a virtual calling terminal.

According to the present invention, the phone emulator can be subscribed to the tariff service with the lowest voice call rate unlimited service or voice call charge service, in which unlimited voice call rates can be used among the specified overseas communication company charge services.

According to the present invention, in the seventh step, the foreign server further includes a step of reading an IP-based call connection request of an app of the mobile terminal and confirming that the called number of the call connection request is a domestic phone number, Step 8 may include transmitting the IP-based call connection request to the domestic server via the IP-based communication channel between the foreign server and the foreign server when the called number is a domestic telephone number .

According to the present invention, in the seventh step, the foreign server reads an IP-based call connection request of an app of the mobile terminal and confirms that the called number of the call connection request is a foreign phone number other than the overseas location where the mobile terminal is located Further comprising the step of, when the called number is a telephone number of another foreign country, the foreign server transmits the IP address to another foreign server via an IP-based communication channel between the foreign server and another foreign foreign server And forwarding the IP-based call connection request.

According to the present invention, it is possible to install a designated application in a user wireless terminal subscribed to a domestic communication company, to depart overseas and request a call to a foreign local telephone number from a foreign country, There is an advantage of using the call service at the call rate.

FIG. 1 is a diagram illustrating a configuration of an app-based overseas local origination system according to an embodiment of the present invention.
2 is a diagram illustrating a functional configuration of a wireless terminal and an app according to an embodiment of the present invention.
3 is a diagram illustrating a configuration of a wireless LAN access point according to an embodiment of the present invention.
4 is a diagram illustrating an application registration process of a wireless terminal according to an embodiment of the present invention.
5 is a diagram illustrating a location registration process through an app of a wireless terminal according to an embodiment of the present invention.
FIG. 6 is a diagram illustrating a process of processing an application-based overseas local origination according to an embodiment of the present invention.
FIG. 7 is a diagram illustrating a process of processing an application-based overseas origination according to an embodiment of the present invention.
FIG. 8 is a diagram illustrating a process of processing an application-based overseas origination according to another embodiment of the present invention.

The operation principle of the preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings and description. It should be understood, however, that the drawings and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention, and are not to be construed as limiting the present invention.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The terms used below are defined in consideration of the functions of the present invention, which may vary depending on the user, intention or custom of the operator. Therefore, the definition should be based on the contents throughout the present invention.

As a result, the technical idea of the present invention is determined by the claims, and the following embodiments are merely means for effectively explaining the technical idea of the present invention to a person having ordinary skill in the art to which the present invention belongs Only.

FIG. 1 is a diagram illustrating a configuration of an app-based overseas local origination system according to an embodiment of the present invention.

In more detail, FIG. 1 shows an application 220 installed in a user wireless terminal 200 to set a home country of an application 220 to a home country of a communication company to which the wireless terminal 200 is subscribed, When it is determined that the app 220 executed in the wireless terminal 200 is located in an area other than the home country of the app 220 for the purpose of locating the location in the overseas server 150 provided in the overseas location where the wireless terminal 200 is located The location registration information of the wireless terminal 200 is registered and the address number of the IP based call connection request is read out from the overseas server 150 when the wireless terminal 200 located in the overseas terminal requests the IP based call connection through the application 220 When the foreign terminal 150 is identified as an overseas local telephone number in which the corresponding mobile terminal 200 is located, the foreign server 150 transmits the foreign terminal 150 through the phone emulator 180 corresponding to the foreign local phone subscribed to the foreign communication company in which the mobile terminal 200 is located And transmits the IP-based call connection request to an overseas local call connection request 1, the application-based overseas local origination system 100 may be configured to transmit the application-based overseas local originating system It is to be understood that the invention may be practiced otherwise than as specifically described herein, but the invention may be practiced otherwise than as specifically described herein, The technical features thereof are not limited only by the method of implementation.

The application-based overseas local origination system of the present invention includes a user wireless terminal 200 in which a specified application 220 is installed and connected to an IP (Internet Protocol) -based communication network, and a communication company to which the user wireless terminal 200 is subscribed A domestic server 100 of a domestic company included in the domestic wireless communication system 100 and an overseas server 150 operated by a foreign carrier of the same company or affiliated company and a communication company server of a communication company to which the user wireless terminal 200 is subscribed, A communication channel is connected to the domestic server 100 and the overseas server 150 through an IP based communication network and the user wireless terminal 200 can communicate with the domestic server 100 through the IP based communication network, ).

The user wireless terminal 200 is a general term of a wireless communication device in which a designated application 220 is installed and can be connected to an IP based communication network via a wireless LAN or a mobile communication network. A mobile phone, a smart phone, and the like.

According to the embodiment of the present invention, the user wireless terminal 200 is installed and executed by an application 220 capable of communicating with a server (e.g., a domestic server 100) of a designated provider through an IP-based communication network. The app 220 performs a procedure of setting a home country of the app 220 when the app 220 specified in the user wireless terminal 200 is installed (e.g., executed for the first time) after installation. Preferably, the application 220 automatically sets the country set in the operating system (or system) of the corresponding wireless terminal 200 to the home country of the application 220, or displays the home country setting interface, The home country of the app 220 can be specified and set.

According to the embodiment of the present invention, the home country of the application 220 refers to the country in which the communication terminal to which the wireless terminal 200 belongs belongs or the country set in the operating system (or system) of the wireless terminal 200, For convenience, the home country of the app 220 is referred to as 'home' in the present invention.

According to an embodiment of the present invention, the user wireless terminal 200 connects the wireless LAN access point 300 of FIG. 3 to the port unit 215 by using the wireless data network in the external (or low cost) In this case, the wireless terminal 200 can process the IP-based communication through the relay device 300 in a foreign country. 3 is externally mounted on the port unit 215 of the user wireless terminal 200, the IP-based communication of the wireless terminal 200 may be performed by the relay apparatus 300 ). ≪ / RTI >

The domestic server 100 is connected to an application 220 installed in the user wireless terminal 200 among servers operated by a provider providing an IP based phone service to the user wireless terminal 200 installed with the specified application 220 The home server 200 includes at least one server capable of communicating with the app 220 of the user wireless terminal 200 through an IP-based communication network or a combination of two or more servers. .

According to the embodiment of the present invention, the domestic server 100 can confirm the mobile phone number of the user wireless terminal 200 in which the designated application 220 is installed, and store the mobile phone number in the designated storage medium. The location of the wireless terminal 200 is determined through the location determination unit 216 in the application 220 installed in the user wireless terminal 200 and a country corresponding to the location of the positioned wireless terminal 200 The location of the mobile terminal 200 in the app 220 of the user wireless terminal 200 when it is confirmed that the home 220 corresponding to the home country of the app 220 is not domestic The domestic server 100 receives the location identification information of the wireless terminal 200 from the app 220 of the user wireless terminal 200 and transmits the location identification information to the wireless terminal 200, The location registration information based on the location identification information of the home location registration D / B can be configured and stored in the designated home location registration D / B. Meanwhile, the overseas server 150 provided in the foreign country where the mobile terminal 200 is located can check the location registration information of the mobile terminal 200 and store the location registration information in the designated visited location registration D / B. After the location registration information of the overseas mobile terminal 200 is registered in the visited location registration D / B of the foreign server 150, an IP-based call connection request is transmitted through the app 220 of the mobile terminal 200 The IP-based call connection request is transmitted to the foreign server 150 via the IP-based communication network. The overseas server 150 confirms an IP-based call connection request through the app 220 of the mobile terminal 200, reads the IP-based call connection request, 200) is located in a foreign country. If the called number is a local phone number of the foreign country, the foreign server 150 transmits the call to the foreign terminal 150 through the phone emulator 180 corresponding to the foreign local phone subscribed to the foreign communication company in which the mobile terminal 200 is located, An IP-based call connection request of the app 220 of the mobile terminal 200 may be converted into an overseas local call connection request and may be transmitted to an overseas locale.

The overseas server 150 is a server operated by a service provider (or an affiliated company) that provides an IP-based phone call service of the user wireless terminal 200 that installed the specified application 220, As a generic term, at least one server capable of communicating with the app 220 of the user wireless terminal 200 through a communication channel connected to the domestic server 100 through an IP-based communication network and via an IP-based communication network, or a combination of two or more servers As shown in FIG.

According to the embodiment of the present invention, since the foreign server 150 is a domestic server for wireless terminals subscribed to a foreign communication company, it is preferable that the foreign server 150 basically includes the functional configuration of the domestic server 100, 100 in addition to the function configuration of the foreign server 150 according to the present invention.

Referring to FIG. 1, the domestic server 100 includes a user wireless terminal (not shown) installed and executing an application 220 installed and executing a specified application 220 and setting a country corresponding to the domestic server 100 as a home country, And a unique identification registration unit 105 for registering and storing the unique identification information that uniquely identifies the mobile terminal 200 / app 220 in the designated storage medium. The unique identification registration unit 105 registers the mobile terminal 200 / The user information of the user to be used can be confirmed and stored in a designated storage medium.

A user using the service according to the present invention installs and executes the application 220 specified by the user's wireless terminal 200. The app 220 of the mobile terminal 200 may be downloaded from the designated storage area of the mobile terminal 200 when the app 220 is installed in the user mobile terminal 200 and executed for the first time The mobile terminal 200 extracts (or receives from the user) the mobile phone number and / or the communication company information of the mobile terminal 200 and transmits it to a server (for example, a separate app management server or a domestic server 100 The mobile terminal 200 can perform a procedure for confirming whether the mobile terminal 200 installed in the app 220 is a mobile terminal 200 that is subscribed to a specific communication company.

The app 220 installed in the wireless terminal 200 confirms the 'home country' of the app 220 at a specified point in time before, during and after performing the communication company subscription / authentication procedure, Perform the procedure to save the setting. Preferably, the application 220 automatically sets the country set in the operating system (or system) of the corresponding wireless terminal 200 to the home country of the application 220, or displays the home country setting interface, The home country of the app 220 can be specified and set. The home country of the application 220 is basically a country set in a country where the communication terminal to which the wireless terminal 200 is affiliated or an operating system (or a system) of the wireless terminal 200, 200) may include the country to which the subscribed carrier belongs.

According to the embodiment of the present invention, when the 'home country' of the app 220 is confirmed / set, the app 220 of the wireless terminal 200 searches for a country corresponding to the country set as the home country of the app 220 And can provide mobile phone number and / or communication company information of the mobile terminal 200 to a domestic server 100 provided in the country. The unique identification registering unit 105 receives the mobile phone number and / or the communication company information of the mobile terminal 200 from the application 220 of the mobile terminal 200, It is possible to confirm that the user wireless terminal 200 is the wireless terminal 200 that is normally (or validly) subscribed to the domestic communication company. When the user wireless terminal 200 is a wireless terminal 200 that is subscribed (or valid) to a domestic communication company, the unique identification registration unit 105 stores the mobile phone number of the wireless terminal 200 in a designated storage medium .

According to the embodiment of the present invention, the app 220 of the wireless terminal 200 can designate the app 220 designated at a specified point in time before, after, or after the 'home country' of the app 220 is confirmed / Unique identification information (for example, an app 220) is installed to uniquely identify the user wireless terminal 200 that has installed and executed the application 220 installed with the country corresponding to the domestic server 100 as the home country The app 220 is uniquely allocated so as not to overlap with the app 220 so as to check the code value stored in the designated storage area of the wireless terminal 200 and transmits it to the domestic server 100 corresponding to the home country of the app 220 And the unique identification registering unit 105 receives the unique identification information from the app 220 of the wireless terminal 200 and stores the received unique identification information in a designated storage medium for management . Preferably, the unique identification information is different from the mobile phone number pre-assigned to the mobile terminal 200, and the unique identification register 105 maps the unique identification information to the mobile phone number, Can be stored.

Meanwhile, when the application 220 of the wireless terminal 200 receives user information about a user using the wireless terminal 200 and / or the application 220 and transmits the user information, The user information may be received from the app 220 of the terminal 200 and may be stored in a designated storage medium in association with the unique identification information and / or the mobile phone number.

Referring to FIG. 1, the domestic server 100 locates the location of the wireless terminal 200 through the location determination unit 216 in the application 220 installed in the user wireless terminal 200, It is confirmed that the country corresponding to the location of the positioned wireless terminal 200 is the domestic corresponding to the home country of the app 220 and confirmed that the country is not domestic (or confirmed overseas) When the location information identifying the location of the wireless terminal 200 is transmitted from the app 220 to the location information of the mobile terminal 200 from the app 220 of the user wireless terminal 200, And a home location registration unit 115 for storing location registration information corresponding to the location identification information of the mobile terminal 200 and storing the location registration information in the home location registration D / B of the domestic server 100.

A user installing the application 220 in the wireless terminal 200 and confirming / setting the home country of the application 220 in the home country may carry the wireless terminal 200, Can be executed. According to the method of operation, the user may go abroad to install and execute the application 220, and set the home country to the home country, thereby not limiting the present invention. Preferably, the user can turn off the power of the wireless terminal 200 while traveling abroad, and then power on the wireless terminal 200 and execute the app 220 after booting.

The application 220 of the wireless terminal 200 can confirm whether the application 220 is executed after the wireless terminal 200 boots from abroad when the application 220 installed in the user wireless terminal 200 is executed. For example, the 'mobile station call standby state' via the 'mobile station initialization state' including the system setting detailed state at boot, the pilot channel acquisition detailed state, the synchronization channel acquisition detailed state, and the timing conversion detailed state of the wireless terminal 200 When the mobile terminal 200 boots the wireless terminal 200 when it arrives overseas, it can not find the mobile communication network originally subscribed to during the process of transition to the designated state, and the 'roaming standby state' or the 'roaming state' The app 220 executed in the wireless terminal 200 determines whether the wireless terminal 200 is in a 'roaming standby state' or a 'roaming state', and when the wireless terminal 200 is booted from abroad It is possible to check whether the app 220 is in a running state.

The application 220 of the wireless terminal 200 may be connected to the wireless terminal 200 through the location determination unit 216 (e.g., a GPS module) of the wireless terminal 200 when the application 220 installed in the user wireless terminal 200 is executed. And then performs a procedure of positioning the position of the mobile terminal 200. For example, when the wireless terminal 200 is booted from abroad, the app 220 of the wireless terminal 200 can locate the location of the wireless terminal 200 in the location determination unit 216, The present invention is not limited thereto.

The app 220 of the wireless terminal 200 locates the position of the wireless terminal 200 through the position determination unit 216 and reads the position of the positioned wireless terminal 200, 200 is set to the home country of the app 220 or is not domestic.

If the current position of the wireless terminal 200 is the home country of the application 220 as a result of reading the location of the wireless terminal 200 in the app 220 of the wireless terminal 200, The app 220 of the mobile terminal 200 is able to recognize the location information for domestic use (e.g., mobile phone number (or unique identification information) of the mobile terminal 200) The location information of the wireless terminal 200, and the country identification information that identifies that the present country is the home country), and transmits the generated information to the domestic server 100 through the IP-based communication network accessible from the wireless terminal 200. [ And the location identification receiving unit 110 may receive the location identification information of the mobile terminal 200 from the app 220 of the user wireless terminal 200, The registering unit 115 registers the mobile terminal 200 (For example, including the country identification information that identifies that the presently located country is the domestic country, or an overseas foreign server corresponding to the current location) that registers the location of the wireless terminal 200 in the home country (I.e., location registration information including information as a 'null' value), and store it in the designated home location registration D / B of the domestic server 100. According to another embodiment of the present invention, when the current position of the wireless terminal 200 is in the home country, the app 220 of the wireless terminal 200 can freely transmit the location identification information to the wireless terminal 200 The present invention is not limited thereto.

If the current location of the mobile terminal 200 is not the home country of the application 220 (or the mobile terminal 200 is a home country of the mobile terminal 200) as a result of reading the location of the mobile terminal 200 from the application 220 of the mobile terminal 200 The app 220 of the mobile terminal 200 notifies the mobile terminal 200 that the mobile terminal 200 is not located in the home (or is located overseas) The location information of the wireless terminal 200 that does not correspond to the domestic location (or corresponds to the location of the foreign country), the country identification information that identifies the currently located overseas country, the area that identifies the currently located overseas region And transmits the generated location identification information to the domestic server 100 via the IP-based communication network connectable to the wireless terminal 200. The local identification information may include at least one of identification information, And the positional expression The receiving unit 110 receives the location identification information of the wireless terminal 200 from the app 220 of the user wireless terminal 200 and the home location register 115 registers the location of the received wireless terminal 200 (Or unique identification information) of the mobile terminal 200, location information of the mobile terminal 200, country identification (e.g., Information on the current location, time information on the current location, information on the originally subscribed domestic communication company, information on the overseas server corresponding to the current location, communication setting information for communication via the overseas server 150 To the designated home location registration D / B of the domestic server 100. Preferably, the home location registration unit 115 may periodically update location registration information registered in the home location registration D / B in conjunction with the app 220 of the wireless terminal 200.

Referring to FIG. 1, the domestic server 100 checks an overseas server 150 provided in an overseas location of the wireless terminal 200 based on location registration information of a wireless terminal 200 located overseas, And a visited location registration unit 120 for sharing and registering the location registration information of the wireless terminal 200 with the confirmed overseas server 150. The foreign server 150 is connected to the domestic server 100 And a location registration processor 155 for receiving and registering the location registration information of the user wireless terminal 200 located overseas via the IP-based communication channel.

When the location registration information of the wireless terminal 200 located in the foreign country is registered in the home location registration D / B of the domestic server 100 through the home location registration unit 115, the visited location registration unit 120 registers the location registration The mobile terminal 200 checks the foreign server 150 provided in the foreign country corresponding to at least one of the overseas country, the overseas region, and the foreign city where the mobile terminal 200 is located based on the information, And transmits the location registration information of the wireless terminal 200 to the foreign server 150 through an IP-based communication channel connected to the domestic server 100.

The location registration processing unit 155 of the foreign server 150 receives location registration information of the user wireless terminal 200 located overseas from the domestic server 100 through the IP based communication channel And the location registration information of the mobile terminal 200 may be stored and managed in the designated visited location registration D / B of the foreign server 150. [

After the application 220 installed in the user wireless terminal 200 is installed and the home country is set to the home country, the user departs overseas and drives the app 220 of the wireless terminal 200, The location of the wireless terminal 200 is determined to be the location of the wireless terminal 200 in order to locate the location of the wireless terminal 200 in the overseas server 150 and the location registration information D / The application 220 of the wireless terminal 200 sets a target server to which the IP-based call connection is requested to the overseas server 150 when requesting an IP-based call connection through the application 220, can do.

Meanwhile, according to another embodiment of the present invention, the app 220 of the wireless terminal 200 may include overseas server information for the overseas server 150 operated by the business entity (or an affiliate business entity). In this case, if the location of the wireless terminal 200 is confirmed overseas, the app 220 of the wireless terminal 200 confirms the overseas server information corresponding to the location of the wireless terminal 200, The mobile terminal 200 provides the location information of the mobile terminal 200 to the foreign server 150 corresponding to the location information and registers the location registration for the location registration of the mobile terminal 200 in the visited location registration D / The information can be registered so that the present invention is not limited thereto. In this case, the location registration information of the wireless terminal 200 may be shared from the foreign server 150 to the domestic server 100 and registered in the home location registration D / B of the domestic server 100.

1, the domestic server 100 includes an originating request confirmation unit 160 for confirming an IP-based call connection request through the app 220 of the user wireless terminal 200 installed with the specified application 220 And an IP-based call connection request of the application 220 of the wireless terminal 200 to identify whether the origination number of the IP-based call connection request matches the location registration information registered in the visited location registration D / B A location registration confirmation unit 165 for reading out the IP-based call connection request when the calling number matches the location registration information of the visited location registration D / B, 200) is a local telephone number of a foreign country in which the mobile terminal (200) is located; and an overseas local phone number registration unit Via the phone emulator 180 corresponding to < RTI ID = 0.0 > And a mobile terminal 200 App 220 of the IP-based call call connection for converting a connection request to the call connection request to the local processing International calling abroad local procedure unit 175 of. Meanwhile, the called party number reading unit 170 reads the IP-based call connection request of the app 220 of the wireless terminal 200 to check whether the called party number of the call connection request is a domestic phone number and / It is possible to confirm whether the called number of the request is a foreign telephone number other than the foreign country where the mobile terminal 200 is located. If the called number is a domestic telephone number, Based call connection request to the domestic server 100 via the IP-based communication channel between the foreign servers 150, and when the called number is a different foreign phone number, the foreign server 150 transmits the IP- Based call connection request to another foreign server 150 via an IP based communication channel between the foreign server 150 and another foreign overseas server 150, and thus the present invention is not limited thereto.

The user 220 executes the specified application 220 and executes the application 220 from abroad to register the location registration information in the visited location registration D / B of the foreign server 150 provided in the foreign country The application 220 receives a predetermined destination number from a user or selects an IP-based communication network (for example, an IP-based communication network via a foreign public / private wireless LAN, Based call connection request through the app 220 of the wireless terminal 200 may be requested through an IP based communication network or the like via the device 300. The IP- The originating request confirming unit 160 receives an IP based call connection request from the app 220 of the user wireless terminal 200 through the IP based communication network. Preferably, the IP-based call connection request may include a calling number (e.g., mobile phone number of the mobile terminal 200) that originates a call connection and a called number to which a call connection is to be received.

When the IP-based call connection request is received through the origination request confirmation unit 160, the location registration confirmation unit 165 of the foreign server 150 transmits an IP-based call connection request message to the app 220 of the wireless terminal 200 Inquires the location registration information registered in the visiting location registration D / B of the foreign server 150 through the originating number of the IP-based call connection request, And checks whether the origination number of the IP-based call connection request is registered in the visited location registration D / B of the foreign server 150.

If the originating number of the IP-based call connection request received from the app 220 of the mobile terminal 200 is registered in the visited location registration D / B of the foreign server 150 via the location registration confirmation unit 165 The called party number reading unit 170 reads the IP-based call connection request to check the called party number of the call connection request, and if the called party number of the IP-based call connection request is an app (For example, a foreign country, an overseas region, a foreign city, etc.) where the mobile terminal 200 having the mobile terminal 200 installed therein is located.

According to the embodiment of the present invention, the overseas server 150 that processes the overseas local origination based on the application 220 can receive the overseas server 150 having the overseas server 150 (e.g., overseas country, overseas region, And a phone emulator 180 corresponding to an overseas local phone subscribed to the service.

The phone emulator 180 is a general term for a hardware and / or software configuration for recognizing the phone emulator 180 as a call terminal subscribed to the company in an overseas communication company provided with the overseas server 150, For example, a wired telephone network or a mobile communication network) to perform a call connection procedure with an overseas local call terminal corresponding to a foreign local telephone number.

According to the embodiment of the present invention, the phone emulator 180 is connected to an external communication terminal connected to an overseas communication company in which the mobile terminal 200 is located, A communication module which is hardware-modulized so as to be recognized as a virtual call terminal subscribed to the company by the communication company and is linked to the foreign server 150, a virtual call terminal subscribed to the company in an overseas communication company in which the mobile terminal 200 is located, And a calling module implemented in hardware or software for recognizing the calling module as a virtual calling terminal subscribed to the company in an overseas communication company in which the mobile terminal 200 is located, .

According to the method of the present invention, the phone emulator 180 is preferably subscribed to a tariff service with the lowest voice call rate unlimited service or voice call charge available for unlimited use of the voice call rate among the specified overseas service provider tariffs, The service provider operating the overseas server 150 can provide a telephone call service to the overseas local call terminal through the app 220 of the wireless terminal 200 located overseas by using a low cost (or a designated basic charge or a flat fee) can do.

According to an embodiment of the present invention, the overseas server 150 includes M (M? 2) phone emulators 180 or interworks with M phone emulators 180 provided in a designated device, And using the phone emulator 180, an IP-based call connection is made to an overseas local telephone number by using the app 220 of each wireless terminal 200 without a complex business alliance or network interworking separately from an overseas communication company .

Meanwhile, when the called number of the IP-based call connection request received from the app 220 of the mobile terminal 200 through the called party number reading unit 170 is the number of the foreign party to which the mobile terminal 200 belongs, When the local phone number is confirmed, the call connection procedure unit 175 determines whether one of the M phone emulators 180 corresponding to the foreign local phone subscribed to the foreign communication company in which the mobile terminal 200 is located, (E.g., determining one m-emulator 180 that is idle among the M phone emulators 180), and determines whether the app 220 of the wireless terminal 200 And transmits the IP call connection request to the foreign local call terminal corresponding to the foreign local telephone number through the m-th phone emulator 180 . The foreign local telephone network processes the call connection request as a call connection request of a local phone emulated by the m-th phone emulator 180, and the foreign local call terminal transmits a local The call connection request of the phone is received. If the call connection request is received from the foreign local call terminal, the application 220 of the wireless terminal 200 transmits IP-based communication with the foreign server 150 and the m-th phone emulator 180 And connects the call channel to the foreign local call terminal via the foreign local communication network to which the m-th phone emulator 180 is subscribed.

According to the method of the present invention, the called party number reading unit 170 reads an IP-based call connection request of the app 220 of the wireless terminal 200, (Or separately), it is possible to confirm that the called number of the IP-based call connection request is a domestic telephone number corresponding to the home country of the app 220 of the wireless terminal 200 . If the called number of the IP-based call connection request is confirmed as a domestic telephone number, the call connection procedure unit 175 transmits the IP-based call connection request to the domestic server 100 via the IP- Based call connection request to the domestic telephone network 100 (for example, a wired telephone network or a mobile communication network), and the domestic server 100 may transmit the IP-based call connection request to the domestic telephone network 100 The application 220 of the wireless terminal 200 may be connected to the foreign server 150 in the case of receiving the call from the domestic terminal, The domestic server 100, and the domestic telephone network to the domestic call terminal. Preferably, the call charge for connecting the call channel between the app 220 of the mobile terminal 200 and the domestic call terminal may be charged for a domestic call charge or a designated base charge (or a charge) set by a carrier have.

According to the method of the present invention, the called party number reading unit 170 reads an IP-based call connection request of the app 220 of the wireless terminal 200, (Or separately), it is possible to confirm that the destination number of the IP-based call connection request is a foreign telephone number other than the location where the mobile terminal 200 is located. If the called number of the IP-based call connection request is confirmed by another foreign telephone number, the call connection procedure unit 175 transmits an IP-based communication channel Based call connection request to the other foreign server 150 via the IP-based call connection request. Meanwhile, the other foreign server 150 that has received the IP-based call connection request may also include M phone emulators 180, and may determine one of the M phone emulators 180 And determines the idle phone emulator 180), and connects the call to another foreign call terminal corresponding to the other foreign phone number through the other foreign phone network using the determined phone emulator 180 Procedure can be performed. When the call is received from the other foreign call terminal, the app 220 of the wireless terminal 200 located in the foreign country transmits the IP-based call connection request to the foreign server 150, It is possible to connect the call channel to another foreign call terminal via the corresponding overseas foreign server 150 and the phone emulator 180 of another foreign server 150 via another foreign telephone network. Preferably, the call rate for connecting the call channel between the app 220 of the wireless terminal 200 and a call terminal of another foreign terminal may be set to a predetermined value, for example, when an overseas local call charge is imposed or a specified base rate Can be imposed.

2 is a diagram illustrating a functional configuration of a wireless terminal 200 and an application 220 according to an embodiment of the present invention.

2 illustrates a functional configuration of a wireless terminal 200 installed and executed by an application 220 that transmits an IP-based call connection request from abroad. The wireless terminal 200 has a general knowledge in the technical field of the present invention 2, it will be understood that various ways of practicing the functionality of the wireless terminal 200 may be referred to and / or modified, but the present invention includes all of the above-envisioned methods of implementation, The technical characteristics are not limited only by the method shown in FIG.

2, the wireless terminal 200 includes a control unit 202, a memory unit 218, a screen output unit 204, a user input unit 206, a sound processing unit 208, a mobile communication unit 212, A wireless LAN unit 210, a positioning unit 216, a USIM interlock unit 214, and a USIM, and includes a battery 210 for power supply, a port 210 for communicating with an external device, (Not shown).

The controller 202 is a collective term for controlling the operation of the wireless terminal 200. The controller 202 includes at least one processor and an execution memory, BUS). According to the present invention, the control unit 202 loads at least one program code included in the wireless terminal 200 into the execution memory through the processor, and outputs the result through at least one configuration And controls the operation of the wireless terminal 200. Hereinafter, the functional configuration of the designated application 220 of the present invention implemented in the form of program code will be described in the control unit 202 for convenience.

The memory unit 218 is a general term of a nonvolatile memory corresponding to a storage resource of the wireless terminal 200 and includes at least one program code executed through the control unit 202 and at least one Save and maintain the dataset. The memory unit 218 basically includes a system program code and a system data set corresponding to the operating system of the wireless terminal 200, a communication program code and a communication data set for processing a wireless communication connection of the wireless terminal 200, A program code and a data set corresponding to the app 220 of the present invention are also stored in the memory unit 218.

The screen output unit 204 includes a screen output unit (e.g., an LCD (Liquid Crystal Display) and the like) and a driving module for driving the screen output unit 204. The screen output unit 204 is interlocked with the control unit 202, And outputs an operation result corresponding to the output to the screen output device.

The user input unit 206 includes at least one user input device (e.g., a button, a keypad, a touch pad, a touch screen or the like coupled to the screen output unit 204), and a drive module for driving the touch screen. And inputs a command for instructing various operations of the control unit 202 or data necessary for the operation of the control unit 202. [

The sound processing unit 208 includes a speaker, a microphone, and a drive module for driving the sound processing unit 208. The sound processing unit 208 decodes sound data corresponding to a sound output among various calculation results of the control unit 202 and outputs the sound data through the speaker Or a sound signal input through the microphone, and transmits the encoded sound signal to the control unit 202.

The port 215 is a collective term for communicating with an external device or receiving an external power source. The port 215 is connected to a specified number of contacts according to a specified standard and a connector of an external device (or cable) And an insertion portion. For example, the port unit 215 may include a micro USB port unit 215 or may include Apple's lightning port unit 215. However, the port unit 215 is not limited to the above-described exemplary embodiment. The port unit 215 may be provided in the wireless terminal 200 and may include at least one contact and an insertion port, and may communicate with an external device based on the port, It will be apparent that the present invention corresponds to the port portion 215 of the present invention irrespective of the number of ports and the shape of the insertion port.

According to the embodiment of the present invention, the connector portion 320 of the relay device 300 of FIG. 3 may be connected to the port portion 215. In this case, the port portion 215 may be connected to the relay device 300 The power of the battery 210 may be applied to be used as the operating power of the relay device 300. Meanwhile, the relay apparatus 300 can operate by setting control information of various control items through the port unit 215. 2, the functional configuration of the app 220 for controlling and setting each control item of the relay device 300 through the port unit 215 will be omitted.

The mobile communication unit 212 is a collective term for communication resources for connecting the mobile terminal 200 to a mobile communication network of a designated country via a base station provided in a designated country (for example, 'domestic'). An RF module, a baseband module, and a signal processing module. The control unit 202 is connected to the control unit 202, and transmits a calculation result corresponding to wireless communication among the various calculation results of the control unit 202 Transmits the data to the controller 202 through the mobile communication network or receives data through the mobile communication network and performs the connection, registration, communication, and handoff procedures of the wireless communication. According to the present invention, the mobile communication unit 212 can connect the mobile station 200 to a call network including a call channel and a data channel via the exchange, and in some cases, To the wireless data network communication (e. G., The Internet via the wireless section).

According to an embodiment of the present invention, the mobile communication unit 212 is a mobile communication system that performs at least one of connection to a mobile communication network, location registration, call processing, call connection, data communication, and handoff according to the CDMA / WCDMA / And is not limited by a specific mobile communication standard, a frequency band, a protocol, or the like. That is, if a component that connects to a mobile communication network through a cell-based base station is defined as belonging to the category of the mobile communication unit 212,

The wireless LAN unit 210 connects an AP apparatus connected to the Internet using a radio frequency signal as a communication medium within a predetermined distance (for example, 10 meters, 100 meters maximum) to the wireless LAN radio section, To a wireless LAN-based data network (for example, the Internet including a wireless LAN radio section), preferably through a wireless LAN based on a Wi-Fi communication or a Bluetooth communication, 200 can be connected to a wireless LAN-based data network.

3, when the connector unit 320 of the relay apparatus 300 of FIG. 3 is connected to the port unit 215, the wireless LAN unit 210 may be connected to the relay apparatus 300, The wireless terminal 200 transmits wireless data via the wireless LAN to the relay apparatus 300 via the wireless LAN 200. The wireless terminal 200 is connected to the relay apparatus 300, It is possible to connect to the network.

The USIM interworking unit 214 is a generic term of a configuration for exchanging at least one data set with a universal subscriber identity module that is mounted or detached from the mobile station 200 based on the ISO / IEC 7816 standard , And the data set is exchanged in a half duplex communication manner through an APDU (Application Protocol Data Unit).

The USIM is an SIM type card having an IC chip conforming to the ISO / IEC 7816 standard, and includes an input / output interface including at least one contact connected to the USIM interface 214, a program code for at least one IC chip (Or processing) the program code for the IC chip or extracting (or processing) the data set in accordance with at least one command transmitted from the wireless terminal 200 in connection with the input / output interface To the input / output interface.

The position locating unit 216 is a collective term of locating resources for locating the location of the wireless terminal 200. The location locating unit 216 preferably locates the location of the wireless terminal 200 through a terminal type positioning technique using GPS (Global Positioning System) Can be positioned. The terminal mode positioning is a technique for precisely positioning the position of the wireless terminal 200 through a GPS module (or a module including a GPS function) built in the wireless terminal 200, (Assisted-GPS) method in which the base station 200 reads and informs the base station, a DGPS (Differential GPS) method that corrects an error of a position signal received from a satellite in response to a correction signal from a ground reference receiver, and the like have.

The wireless terminal 200 downloads and installs the designated application 220 specified by the specified application providing server (e.g., Apple's App Store, etc.) through the communication resource, and the executed application 220 is transmitted to the controller 202, Lt; / RTI >

Referring to FIG. 2, the application 220 of the wireless terminal 200 may transmit various information necessary for transmitting an IP-based call connection request from abroad when the app 220 is first executed (or before execution of information registration) An information registration unit 225 for registering with the domestic server 100 for verification and setting a home country for confirming / setting the home country of the app 220 when the app 220 is executed for the first time (230).

The home setting unit 230 confirms the 'home country' of the application 220 and performs a procedure of setting and storing the 'home country' in the designated storage area when the app 220 is executed for the first time (or before the home country setting) . Preferably, the home setting unit 230 automatically sets the country set in the operating system (or system) of the wireless terminal 200 to the home country of the application 220 or displays the home country setting interface, To designate and set the home country of the corresponding application 220. The home country of the application 220 is basically a country set in a country where the communication terminal to which the wireless terminal 200 is affiliated or an operating system (or a system) of the wireless terminal 200, 200) may include the country to which the subscribed carrier belongs.

According to the first information registration embodiment of the present invention, when the app 220 is first executed (or before execution of information registration) after installation of the application 220, the information registration unit 225 checks the mobile phone number of the mobile terminal 200 The domestic server 100 may request registration with the domestic server 100, and the domestic server 100 may receive the mobile phone number of the mobile terminal 200 and store the mobile phone number in a designated storage medium.

According to the second information registration embodiment of the present invention, when the home country of the app 220 is confirmed / set as 'home country' through the home setting unit 230, the information registration unit 225 registers the home country The domestic server 100 may request the registration of the unique identification information that uniquely identifies the wireless terminal 200 installed with the application 220 with the wireless terminal 200 installed therein. And stores the unique identification information in the designated storage medium.

According to the third information registration embodiment of the present invention, the information registration unit 225 receives the user information after the installation of the application 220 and requests registration to the domestic server 100, Can receive the user information and store it in a designated storage medium.

Referring to FIG. 2, the app 220 of the wireless terminal 200 may be configured to determine the position of the wireless terminal 200 through the position determination unit 216 when the app 220 is executed, A position confirming unit 240 for confirming the position information of the mobile terminal 200 and a position determining unit 240 for determining the position of the mobile terminal 200 by reading the position information of the mobile terminal 200, (220) corresponding to the home country of the application (220) through IP-based communication when the location of the wireless terminal (200) is not the domestic, And a location transmitter 250 for transmitting location identification information for identifying the location of the mobile terminal 200 to the domestic server 100. The mobile terminal 200 may include a location transmitter 250, And a state checking unit 235 for checking whether the app 220 is executed after booting.

When the application 220 is executed in the wireless terminal 200, the status checker 235 can check whether the application 220 is executed after the wireless terminal 200 boots from abroad. For example, the status checking unit 235 may determine whether the wireless terminal 200 is in a 'roaming standby state' or a 'roaming status' to check whether the wireless terminal 200 has been booted from abroad.

When the application 220 is executed in the wireless terminal 200, the location determination unit 240 determines whether the location of the wireless terminal 200 is determined by the location determination unit 216, The country identifying unit 245 checks the location information of the home 220 corresponding to the home country of the application 220 through the home setting unit 230, And determines whether the country corresponding to the current location of the wireless terminal 200 is domestic or domestic corresponding to the home country of the app 220. [

If the current position of the wireless terminal 200 is not the home country corresponding to the home country of the application 220 (for example, if it is overseas), the position transmitter 250 transmits the current position of the wireless terminal 200 And generates the location identification information that uniquely identifies the overseas country (region / city), and transmits the location identification information to the wireless terminal 200 (200) via a domestic server 100 provided in the country corresponding to the home country of the application 220 through IP- The domestic server 100 configures location registration information for location registration of the wireless terminal 200 based on the location identification information and registers and stores the location registration information in a designated home location registration D / B .

3 is externally mounted on the port unit 215 of the wireless terminal 200 according to an embodiment of the present invention, the position transmitter 250 transmits the relay apparatus 300 of FIG. It is possible to transmit the location identification information of the wireless terminal 200 to the domestic server 100 provided in the country corresponding to the home country of the application 220 through the IP based communication via the network 220, No.

Meanwhile, according to another embodiment of the present invention, the position transmitter 250 may transmit position identification information (hereinafter referred to as " position information ") that uniquely identifies the current position of the wireless terminal 200 located in the domestic, And transmits the generated data to the domestic server 100, so that the present invention is not limited thereto.

Meanwhile, the domestic server 100 reads the location registration information of the wireless terminal 200, identifies the location where the wireless terminal 200 is located, and transmits the location registration information to the overseas server 150 The location registration information of the wireless terminal 200 can be transferred to the visited location registration D / B of the foreign server 150 so that the location registration information of the wireless terminal 200 is registered. The application 220 of the wireless terminal 200 confirms the foreign server 150 located therein and transmits the location identification information of the wireless terminal 200 to the overseas server 150, The location registration information of the wireless terminal 200 may be registered in the visited location registration D / B of the server 150, and thus the present invention is not limited thereto.

The application 220 is installed in the user wireless terminal 200 and the home country is set to the home country so that the user departs overseas and the application 220 of the wireless terminal 200 is accessed, The location of the wireless terminal 200 is determined to be located overseas and the overseas server 150 in which the wireless terminal 200 is located to locate the wireless terminal 200 in the driven app 220, When the location registration information of the mobile terminal 200 is registered in the visited location registration D / B of the mobile terminal 200, the app 220 of the mobile terminal 200 transmits the location registration information of the mobile terminal 200, Acquires the information, stores the information in the designated storage area, and then requests the IP-based call connection through the foreign server 150 corresponding to the foreign server information.

2, the application 220 of the wireless terminal 200 determines whether the status of the application 220 is an IP-based call connection status through the IP-based communication when the application 220 is executed And a state processor 255 for switching / setting the operation state of the application 220 to a state capable of requesting an IP-based call connection through IP-based communication of the wireless terminal 200 .

When the application 220 is executed in the wireless terminal 200, the status checking unit 235 determines whether the state of the application 220 is an IP-based call connection through the designated IP- Is in a requestable state. According to the embodiment of the present invention, the status checking unit 235 can check whether the app 220 has been booted after booting from abroad. If the app 220 is booted from abroad and then executed, It is possible to confirm that at least one condition among the requestable status conditions of the connection is satisfied. The status confirming unit 235 may determine whether the home country of the app 220 is confirmed or set via the home setting unit 230, A condition that the location information of the wireless terminal 200 is transmitted to the designated server and the location registration information of the wireless terminal 200 is registered in the visiting location registration D / B of the foreign server 150 in which the wireless terminal 200 is located, It is possible to confirm whether the condition that the foreign server information in which the location registration information of the terminal 200 is registered is stored in the designated storage area of the wireless terminal 200, The location registration information of the mobile terminal 200 is registered in the visited location registration D / B of the foreign server 150 in which the mobile terminal 200 is located and the foreign server information in which the location of the mobile terminal 200 is registered is registered in the mobile terminal 200 The state of the app 220 is stored in a specified storage area of the IP-based It can be found that can satisfy the requested connection.

If the state of the application 220 does not satisfy at least one of the conditions for requesting an IP-based call connection, the state processing unit 255 checks an unsatisfactory condition among the conditions for requesting an IP-based call connection, It is possible to perform a procedure of processing such that the unsatisfied condition is satisfied. If the state of the application 220 satisfies a condition that an IP-based call connection can be requested, the state processing unit 255 notifies the operation state of the application 220 to an IP-based communication Lt; RTI ID = 0.0 > IP-based < / RTI > call connection to a requestable state. For example, the state processing unit 255 may acquire an access right to the sound processing unit 208 included in the wireless terminal 200 and / or transmit a packet transmission / reception protocol for telephone conversation with the foreign server 150 (IP-based communication network via the public / private wireless LAN of the foreign country, or IP-based communication via the relay apparatus 300 of FIG. 3) of the wireless terminal 200 A communication network, and the like) to the foreign server 150.

Referring to FIG. 2, the application 220 of the wireless terminal 200 includes a call request unit 260 receiving an incoming call number and requesting an IP-based call connection through IP-based communication, And a call processing unit (265) for processing a call with the call terminal via IP-based communication based on the call reception when the call terminal receives the call connection request.

The call request unit 260 displays an interface for inputting / selecting the destination number by interworking with the screen output unit 204 when the operation state of the application 220 is an IP-based call connectable state or is switched. When the called number is inputted / selected through the interface, the call request unit 260 includes the mobile number of the mobile terminal 200 (or a virtual phone number given to request an IP-based call connection) as a calling number Based call connection request information including the inputted call destination number, and transmits the IP-based call connection request information including the input destination number to the designated IP-based communication network (for example, an IP-based communication network via a foreign / Based call connection request information to the foreign server 150 in which the mobile terminal 200 is located via the IP based communication network via the relay device 300 of the mobile terminal 200.

The foreign server 150 in which the mobile terminal 200 is located receives the IP-based call connection request, reads the IP-based call connection request, and determines that the called terminal number of the call connection request is transmitted to the mobile terminal 200 Make sure that the local phone number is located overseas. If the called number of the IP-based call connection request is the local phone number of the foreign country, the foreign server 150 transmits the IP address of the phone emulator 180 corresponding to the foreign local phone subscribed to the foreign communication company in which the mobile terminal 200 is located The IP-based call connection request of the application 220 of the wireless terminal 200 may be converted into an overseas local call connection request and may be transmitted to an overseas local call terminal through an external local call terminal May receive the call connection request. If the call connection request is received from the foreign local call terminal, the call processing unit 265 performs IP based communication with the foreign server 150, the phone emulator 180 of the foreign server 150, (E.g., voice call, video call, etc.) by connecting a call channel with an overseas local call terminal via an overseas local telephone network of an overseas communication company to which the terminal 180 is connected.

Meanwhile, if the called party number of the IP-based call connection request is a domestic telephone number, the foreign server 150 transmits the IP-based call connection to the domestic server 100 via the IP-based communication channel connected to the domestic server 100 And the domestic server 100 may convert the IP-based call connection request into a call connection request of a domestic communication company and request a call connection to a domestic call terminal through a telephone network of a domestic communication company. When the call connection request is received from the domestic call terminal, the call processing unit 265 performs IP based communication with the foreign server 150, IP based call channel between the foreign server 150 and the domestic server 100, (E.g., voice call, video call, etc.) by connecting a call channel with a domestic call terminal via the domestic server 100 and the domestic telephone network.

Meanwhile, if the IP address of the foreign server 150 is another foreign phone number of the IP-based call connection request, the foreign server 150 transmits the IP-based call to the foreign server 150 via the IP- And the other foreign server 150 may transmit the received IP-based call connection request to another foreign local call through a phone emulator 180 corresponding to another foreign local phone subscribed to another overseas communication company, The call connection request can be converted into a connection request and transmitted to another foreign call terminal, and the foreign call terminal corresponding to the other foreign telephone number can receive the call connection request. If the call connection request is received from the other foreign call terminal, the call processing unit 265 performs IP based communication with the foreign server 150, IP based communication between the foreign server 150 and the foreign server 150 A call channel, a phone emulator 180 of another foreign server 150, and a foreign telephone network of another foreign communication company to which the phone emulator 180 accesses, Call, video call, etc.).

FIG. 3 is a diagram illustrating a configuration of a wireless local area network (WLAN) relay apparatus 300 according to an embodiment of the present invention.

3 shows a connector 320 that can be connected to a port 215 of the wireless terminal 200 of FIG. 2. The connector 320 includes a battery 210 of the wireless terminal 200 ), And can control the designated control item for relaying the wireless LAN through the wireless terminal (200) through the connector unit (320) A wireless LAN 200 for connecting the wireless terminal 200 with a wireless LAN and selectively extending a wireless LAN radio section with the wireless terminal 200 to a mobile communication wireless section via a designated mobile communication network, 3 is a block diagram illustrating a configuration of a relay apparatus 300 according to an exemplary embodiment of the present invention. Referring to FIG. 3, Variety on It will be appreciated that the method of implementation (e.g., some of the components may be omitted, or broken down, or combined) may be inferred, but the present invention encompasses all such contemplated embodiments, The technical characteristics thereof are not limited.

The wireless LAN access point 300 according to the present invention includes a mobile communication module 315 connected to a designated mobile communication network in a designated foreign country and a wireless terminal 200 designated as an operating power source, The mobile communication module 315 is connected to the port 215 of the wireless terminal 200 and receives power from an external battery 210. The mobile communication module 315 and the wireless LAN module 310 and the mobile communication module 315. The mobile communication module 315 operates by receiving operation power through the connector 320 and controls the communication path connection between the wireless LAN module 310 and the mobile communication module 315, (1? I? J) among J (J? 1) control items for wireless LAN relay based on a result of communication with the wireless terminal 200 designated to apply the operation power through the connector unit 320 ) Of control items can be set and the designated j (1 ≤ j ≤) control items A control module 305 for controlling the wireless terminal 200 to connect to the wireless LAN wireless section through the wireless LAN module 310 based on operation power applied through the connector 320 in a state in which the wireless terminal 200 is set up. Respectively.

The connector unit 320 is a general term for a component to be electrically connected to a port unit 215 provided on one side of a predetermined wireless terminal 200. The port unit 215 of the wireless terminal 200 includes a connector unit 320, And a support portion for supporting and holding a state of being connected to the port portion 215. The support portion may include a plurality of contact points, For example, the connector 320 may include a micro USB connector 320 that can be connected to a micro USB port of a smart phone. Alternatively, the connector 320 may include a lightning port And the connector 320. The present invention is not limited to the embodiment of the specific connector 320.

The wireless LAN access point 300 is connected to the port unit 215 of the wireless terminal 200 in which the battery 210 is installed through the connector unit 320, The portable terminal 200 is operated by receiving an external battery 210 power source including a power source of the battery 210 of the mobile terminal 200 as an operating power or by operating A portable battery 210 having a port is connected to a port of the battery 210 and an external battery 210 including a battery 210 of the battery pack 210 is operated as an operation power source, The battery 210 that does not supply the operation power is not incorporated.

The wireless LAN access point 300 communicates with the designated wireless terminal 200 while being connected to the port unit 215 of the wireless terminal 200 designated to apply the operation power through the connector unit 320, (E.g., the Internet including one or more wireless sections) through the mobile communication module 315 by connecting the designated wireless terminal 200 to the designated wireless terminal 200 through the wireless LAN module 310 (For example, the wireless LAN module 310 is connected to a port of a designated management terminal), or the wireless LAN relay process of the designated wireless terminal 200 A network relay procedure for connecting the designated wireless terminal 200 to the wireless data network through the mobile communication module 315 by connecting the wireless terminal 200 with the designated wireless terminal 200) Wherein at least a specified j (1? J? J) control items among J (J? 1) control items that can be set for the wireless LAN relay procedure are set, It is possible to perform the wireless LAN relay procedure of the designated wireless terminal 200 using the power of the external battery 210 applied through the connector 320 as an operation power source have.

Meanwhile, the wireless LAN access point 300 can perform a WLAN relay procedure of the designated wireless terminal 200 by connecting the designated wireless terminal 200 with the wireless LAN wireless section through the wireless LAN module 310 And may deactivate the network relaying process via the connector 320 even though the communication unit 320 can communicate with the wireless terminal 200 through the connector unit 320. According to an embodiment of the present invention, the designated wireless terminal 200 includes a wireless LAN unit 210 for connecting to a wireless LAN through a designated wireless AP and a mobile communication unit 212 for connecting to a designated mobile communication network If the port portion 215 of the wireless terminal 200 is connected to the port portion 215 of the wireless terminal 200 while the connector portion 320 of the wireless LAN access point 300 is connected to the port portion 215 of the wireless terminal 200, The mobile terminal 200 activates a network relay procedure for interworking with the wireless LAN module 310 of the wireless LAN access point 300 via the connector unit 320 of the relay apparatus 300 and / When activating the network relay procedure directly linked to the mobile communication module 315 of the wireless LAN access point 300 via the connector unit 320 of the wireless LAN access point 300, The operating system of the terminal 200 (i.e., the operating system of each wireless terminal is a wireless LAN The wireless LAN module 210 of the wireless terminal 200 and the wireless LAN module 200 of the wireless LAN access point 300 may be connected to the port unit 215. [ 310 may collide with each other and / or a collision may occur between the mobile communication unit 212 in the wireless terminal 200 and the mobile communication module 315 of the wireless LAN access point 300. Accordingly, the present invention disables (excludes) the network relay procedure linking the connector unit 320 of the wireless LAN access point 300 with the wireless LAN module 310 and / or the mobile communication module 315, It is desirable to exclude the collision problem that may occur in the wireless terminal.

The mobile communication module 315 is a general term for a communication module connected to a designated mobile communication network in a designated foreign country and operates through an operating power source applied from an external power source of the battery 210 via the connector 320, It is possible to mount or demount a USIM for accessing a designated mobile communication network of a designated foreign country.

According to the embodiment of the present invention, the wireless terminal 200 (= wireless LAN device 300 connected to the wireless LAN access point 300 via the connector unit 320 and dependent on the wireless LAN access point 300) When a country in which a network operator of a mobile communication network (or a mobile communication network subscribed via a USIM linked with the wireless terminal 200) connected through the mobile communication unit 212 of the terminal 200 is a 'domestic' The wireless LAN access point 300 may be connected to the wireless terminal 200 in a location other than 'domestic' to which the wireless terminal 200 belongs, The wireless terminal 200 may be connected to a wireless LAN based wireless data network (e.g., the Internet including a wireless LAN radio section) via a designated mobile communication network of the foreign country when the mobile terminal 200 visits (or enters) The relay device 300 is a relay device for connecting the relay device 300 to the relay device. The mobile communication module 315 of the wireless LAN access point 300 notifies the mobile communication network of the wireless LAN 200 that the wireless LAN access device 300 depends on, As a generic term of the communication module to be connected to the communication network, it is preferable that a USIM for connecting to a predetermined mobile communication network of a predetermined foreign country predetermined or desorbed is mounted.

According to the embodiment of the present invention, the mobile communication module 315 (or a USIM loaded / unloaded in the mobile communication module 315) can freely and unlimitedly charge the data fee of the designated mobile communication network fee system of a predetermined foreign country It is desirable to subscribe to the 'unlimited data rate' service or the equivalent rate service that can be used. If there is no 'data rate unlimited' service or equivalent service in the designated mobile network of the designated overseas country, It is preferable that the 'data rate is the cheapest rate' service or the fee service equivalent thereto among the rate services provided by the mobile communication network, and that one or more terminals including the designated mobile terminal 200 are free Cost) of a wireless data network via a designated mobile communication network of a foreign country ( I pray, it is possible to access the internet, including a radio link in a mobile communication network).

According to an embodiment of the present invention, the mobile communication module 315 (or a USIM loaded / unloaded in the mobile communication module 315) is preferably set to be connectable only to a designated mobile communication network of a predetermined foreign country, It is preferable that the roaming function is blocked (or deactivated) to a mobile communication network of a country other than the designated mobile communication network of the designated foreign country. For example, the mobile communication module 315 (or the USIM) blocks (or deactivates) a roaming function to another mobile communication network operated by another network operator in a country other than the designated mobile communication network of the designated foreign country, It is desirable to also block (or deactivate) the roaming function to the mobile communication network operated by the same network operator of another country. Information specified in the mobile communication module 315 (or the USIM) may be set for blocking (or deactivating) the roaming function, or the mobile communication module 315 (or the USIM) Information specified in the designated network configuration device on the communication network can be registered. On the other hand, if the data fee is free or the data fee of the designated overseas country is the same (or equivalent) even if roaming to the mobile communication network of a specific country other than the predetermined mobile communication network of the predetermined overseas country, the roaming function is not blocked The present invention is not limited thereto.

According to the embodiment of the present invention, the mobile communication module 315 (or the USIM mounted / detached to / from the mobile communication module 315) preferably blocks (or deactivates) the voice call connection function. Preferably, the mobile communication module 315 (or the USIM) may block (or deactivate) a voice call connection function even if the mobile communication module 315 accesses a designated mobile communication network of a predetermined foreign country. It is desirable that the available wireless data network communication function is activated through a service or a service with the lowest data rate.

The WLAN module 310 is a general term for a communication module for connecting a wireless LAN section of a wireless LAN section 210 of a wireless terminal 200 designated to apply operation power through the connector section 320, (N > = 2) terminals including the wireless terminal 200 that is operated through an operation power source applied from a power source of an external battery 210 through a power supply unit 320, It is preferable that a wireless LAN radio section can be connected.

According to an embodiment of the present invention, it is preferable that the wireless LAN module 310 connects a wireless LAN section with a wireless terminal 200 designated as an operating power source, And may be configured to connect the remaining (N-1) terminals to the wireless LAN radio section after the terminal 200 and the wireless LAN radio section are connected. That is, the wireless LAN access point 300 firstly aims to connect the wireless terminal 200, which it depends on, to the wireless data network through the wireless LAN, And connect the wireless LAN section to one or more other terminals to connect to the wireless data network. Meanwhile, when the wireless terminal 200 is not set to connect a wireless LAN section with one or more other terminals through the wireless terminal 200, the wireless LAN module 310 can connect the wireless LAN section to the designated wireless terminal 200 only Do.

The control module 305 collectively refers to a module for controlling a wireless local area network (WLAN) relay procedure using the wireless LAN module 310 and the mobile communication module 315. The control module 305 operates by receiving operation power through the connector 320 A communication path connection between the wireless LAN module 310 and the mobile communication module 315 and a communication result with the wireless terminal 200 designated to apply the operating power through the connector 320, (1? I? J) control items among J (1? I? J) control items for performing a wireless LAN relay procedure based on at least j (1? the wireless terminal 200 is connected to the wireless LAN wireless unit through the wireless LAN module 310 on the basis of the operation power applied through the connector unit 320 in a state in which the wireless terminal 200 can do.

Referring to FIG. 3, the control module 305 includes a power source confirmation unit 325 for checking whether a power source of an external battery 210 is applied as an operating power source through the connector unit 320, A terminal confirmation unit 330 for confirming whether the wireless terminal 200 is connected to the designated wireless terminal 200 through the connector 320 when the wireless terminal 200 is connected through the connector 320, A control for communicating with the wireless terminal 200 to receive and set i pieces of control information for at least i (1? I? J) control items among J (J? 1) control items that can be set for the wireless LAN relay procedure A setting unit 335 and at least j (1? J?), Which is necessary for performing a WLAN relaying process among the J control items, J) Check whether the control information of the control item is set And a control unit 340 for controlling the wireless terminal 200 through the wireless LAN module 310 using J control information including the set j pieces of control information when at least j pieces of control information are set, A wireless local area network (LAN) connection unit 345 for connecting the wireless local area network (LAN) and the wireless LAN connection unit 345 to each other, And a mobile communication connection unit 350 for performing a relay connection to a mobile communication radio section of the mobile communication system. The components may be implemented in the form of a program code and / or a chip or a control circuit. Or more.

The control module 305 operates by using a power supplied through the connector 320 as an operation power source and the power source confirmation unit 325 is connected to the connector 320 through a power supply configuration The battery 210 of the portable battery 210 pack capable of supplying power charged to the wireless terminal 210 is supplied with power, or the AC power (i.e., voltage, current, ground state, etc.) The power of the non-battery 210 converted into DC is applied. For example, when the AC power is converted into DC, the grounding state can be stably performed. However, the power source of the battery 210 may not be properly grounded. It is possible to confirm whether the power of the battery 210 is applied by reading the ground state of the power source applied through the power source 320. Meanwhile, when the connector 320 is connected to the port 215 of the wireless terminal, various data signals, trigger signals, and the like may be generated through at least one contact provided in the port 215 from the wireless terminal , It is possible to determine whether a power supply of the battery 210 of the wireless terminal or a power supply of the battery 210 of the portable battery 210 is applied by determining whether a designated signal is detected through various contact points of the connector 320 . On the other hand, if it is not necessary to determine whether or not the power source of the battery 210 is applied, the power source verifying unit 325 may be omitted, and thus the present invention is not limited thereto.

When the operating power is applied through the connector 320, the terminal check unit 330 tries to exchange information designated according to a protocol agreed with the designated mobile terminal 200 through the connector 320, And confirms whether the wireless terminal is connected to the designated wireless terminal through the connector unit 320. [ The information exchange attempt may be initiated either on the wireless terminal side or via the control module 305, and the present invention is not limited thereto.

According to the embodiment of the present invention, the control module 305 can store and manage designated terminal identification information for identifying / authenticating the wireless terminal 200 to which the operation power is to be supplied, in a designated storage area. For example, the designated terminal identification information is transmitted to the connector unit 320 immediately before (or at the time of transmitting) the wireless LAN access point 300 to the user who intends to depart for a foreign country, (For example, a terminal device that can access the control module 305 with an administrator authority via a designated master key). The designated terminal identification information may include at least one of a telephone number, an IMSI, an IMEI, an MSISDN, a UICCID, and the like of the wireless terminal 200 designated to supply operation power to the relay device 300, The MAC address assigned to the LAN unit 210, and the like, and at least one identification information capable of uniquely identifying the designated wireless terminal 200. [

(For example, lease, sale, etc.) that does not store the designated terminal identification information valid in the storage area designated for the user who intends to depart for the overseas country. In this case, Can be registered and registered through the user's wireless terminal (200). The user who has received the relay apparatus 300 connects the connector unit 320 of the relay apparatus 300 to the port unit 215 of the wireless terminal 200, The controller 330 operates based on the operation power source and checks whether the designated terminal identification information is stored in the storage area designated to store the designated terminal identification information. If the designated terminal identification information valid in the designated storage area is not stored, the terminal confirmation unit 330 may register the designated terminal identification information by attempting to communicate with the connected wireless terminal through the connector unit 320 and register / (For example, a procedure for requesting and authenticating the identification number transmitted to the user at the point of delivery of the relay apparatus 300) and / or a procedure for inputting the serial number or password printed / attached to one side of the relay apparatus 300 When the authentication of the authentication procedure is successful, the wireless terminal confirms the specified designated terminal identification information and provides it to the control module 305 through the port unit 215, The terminal confirmation unit 330 of the terminal 305 may receive the designated terminal identification information through the connector unit 320 and register the terminal in the designated storage area, The wireless terminal is registered in response to a set wireless terminal 200 specified by now is the operation power to the relay device 300. The

Meanwhile, when validated terminal identification information is registered in the designated storage area, the terminal confirmation unit 330 requests the designated terminal identification information to the wireless terminal connected through the connector unit 320, Receives the designated terminal identification information from the wireless terminal through the connector unit 320, and checks whether the received designated terminal identification information matches the designated terminal identification information stored in the designated storage area. When the designated terminal identification information received through the connector 320 is matched with the designated terminal identification information of the designated storage area, the wireless terminal corresponding to the designated terminal identification information transmits wireless The mobile terminal 200 (or the wireless terminal 200 designated to supply operation power to the relay device 300) can be confirmed.

When it is determined that the wireless terminal 200 designated through the terminal confirmation unit 330 is connected through the connector unit 320, the setting confirmation unit 340 determines J control items It is determined whether or not j control information corresponding to at least j control items necessary for performing a wireless LAN relay procedure is effectively set.

According to the embodiment of the present invention, the J control items include an SSID setting / change of the wireless LAN module 310, a connection password setting / changing, use registration / release of the relay apparatus 300 on the designated server side, (E.g., total capacity, capacity for each unit period), setting the number of users (e.g., total number of users, number of concurrent users, etc.) For example, in addition to the wireless terminal 200, setting / canceling of a telephone number of the terminal using the relay device 300, setting of a use / cutoff time zone (for example, (For example, it is possible to register / cancel the list of apps that can use the relay device 300 based on the whitelist, to allow only the registered permitted apps only when the permitted app is registered, (300) (For example, by using the relay device 300 on the basis of a black list) that is not allowed to perform the wireless LAN relay procedure through the relay device 300 (Not shown in FIG. 3), and the registered unauthorized application is prevented from using the relay device 300 when the unauthorized application is registered), and a control that can be set by a normal wireless AP Items matched with the item may be included in the J control items.

If at least one of the j pieces of control information corresponding to at least j control items required for performing the wireless LAN relay procedure among the J pieces of control items is not effectively set, the control setting unit 335 And may request the wireless terminal 200 connected through the connector 320 to set control information for an uncontrolled control item among the j control items.

Meanwhile, the designated wireless terminal 200 may set i control information for at least j control items among the J control items and provide the i control information to the control module 305 through the port unit 215, When the setting unit 335 requests control information for at least one unset control item among the j control items through the connector unit 320, the wireless terminal 200 transmits i I < / RTI > control information for each of the control items to be provided to the control module 305 through the port unit 215. [

The control setting unit 335 receives i pieces of control information for the i control items set through the wireless terminal 200 through the connector unit 320, It is possible to set i control items assigned to the LAN module 310. [

According to the embodiment of the present invention, the i control items include the SSID setting / change of the wireless LAN module 310, the connection password setting / changing, registration / release of use of the relay device 300 on the designated server side, (E.g., total capacity, capacity per unit period, etc.), setting the number of users (e.g., total number of users, number of concurrent users, etc.) (For example, the current local standard time use / disconnection time zone), the permitted application registration / cancellation permitted to perform the wireless LAN relay procedure through the relay device 300 For example, it is possible to register / cancel a list of apps that can use the relay device 300 based on the whitelist. When the permitted app is registered, only the registered permitted apps are relayed to the designated target via the wireless data network (For example, a list of apps to block the use of the relay device 300 based on a black list can be registered / canceled), an unauthorized application registration / cancellation (I. E., When the unauthorized application is registered, the registered unauthorized application blocks the use of the relay device 300), and any of the J control items may be included in the i control items .

I control information for at least i control items is set through the control setting unit 335 and / or control information of essential items for the wireless LAN relay procedure is set through the designated management terminal, When it is determined that the j control information corresponding to at least j control items necessary for performing the WLAN relay procedure is effectively set through the wireless LAN connection unit 340, The mobile terminal 200 is controlled to detect the wireless terminal 200 through the wireless LAN module 310 using J control information including information on the detected wireless terminal 200. When the wireless terminal 200 is detected, 200 and a wireless LAN wireless section, the wireless LAN module 310 detects the wireless terminal 200, and when the wireless terminal 200 is detected, 200) and the wireless LAN radio section.

On the other hand, as a result of the confirmation through the setting confirmation unit 340, in addition to the wireless terminal 200 designated as 'the number of users' among the J control items and applying the operation power through 'additional terminal registration' When an additional terminal to perform the relay procedure is registered, the wireless LAN connection unit 345 transmits at least one of (N-1) terminals additionally registered in addition to the wireless terminal 200 through the wireless LAN module 310 And controls to connect the detected terminal with the wireless LAN radio section when at least one terminal is detected, and the wireless LAN module 310 detects at least one terminal additionally registered And performs a procedure of connecting the detected terminal to the wireless LAN radio section when the terminal is detected.

When the wireless terminal 200 is connected to the wireless LAN module through the wireless LAN module 310, the mobile communication module 350 connects the wireless LAN module connected to the wireless terminal 200 to the mobile communication module 315) to the mobile communication radio section via the designated mobile communication network in the designated foreign country to which the mobile communication network is connected.

According to the embodiment of the present invention, the mobile communication connection unit 350 may determine that the wireless LAN 200 of the wireless terminal 200 is connected to the mobile terminal 200 based on the set values of the control items designated by k (1? K? J) It is possible to determine whether or not to extend the period to the mobile communication radio section using the mobile communication module 315. [ In this case, the k control items may include at least one of a communication capacity, an available / blocked time zone, an allowed app, and an unapproved app. For example, when the communication capacity among the J control items is set, the mobile communication connection unit 350 transmits the wireless LAN radio section of the wireless terminal 200 to the mobile communication radio section It can be determined not to expand. Or if the usable time zone is set among the J control items, the mobile communication connection unit 350 transmits the wireless LAN wireless zone of the wireless terminal 200 to the mobile communication wireless zone in a time zone other than the usable time zone It can be determined not to expand. Or when the allowed app among the J control items is set, the mobile communication connection unit 350 transmits, when the allowed app uses the wireless LAN radio section among the apps of the mobile station 200, It is determined that the wireless LAN section is to be extended to the mobile communication wireless section. Otherwise, the wireless LAN section 200 can be determined not to extend the wireless LAN section to the mobile communication wireless section.

If it is determined to extend the wireless LAN radio section of the designated wireless terminal 200 to the mobile communication wireless section, the mobile communication connection section 350 is connected between the wireless terminal 200 and the wireless LAN module 310 And controls the extension relay connection of the wireless LAN radio section to the mobile communication radio section between the base station and the mobile communication module 315 on the designated mobile communication network of the designated foreign country. The wireless LAN module 310 and the mobile communication module 315 are connected to each other in the lowest layer among the physical layer, the data link layer, and the network layer on the protocol stack structure, The wireless LAN module 310 and the wireless LAN module 310 are connected to each other to sequentially expand the wireless LAN wireless section connected between the wireless terminal 200 and the wireless LAN module 310 to the mobile communication wireless section between the mobile communication module 315 and the mobile communication network, A module 310 and a wireless terminal 200 connected to a wireless LAN radio section are connected to a wireless data network extended to the mobile communication wireless section such as a wireless LAN wireless section between the wireless terminal 200 and the wireless LAN module 310 And connects to the Internet including a mobile communication radio section between the mobile communication module 315 and the mobile communication network.

Meanwhile, according to the embodiment of the present invention, the mobile communication connection unit 350 determines whether the mobile terminal 200 includes the mobile terminal 200 based on the set values of the control items designated by k (1? K? J) It is possible to determine whether to extend the wireless LAN radio section of the N terminals to the mobile communication radio section using the mobile communication module 315. In this case, the k control items may include at least one of a communication capacity, a number of users, a registered additional terminal, an available / blocked time zone, an allowed app, and an unapproved app. For example, when the number of concurrent users among the J control items is set, the mobile communication connection unit 350 firstly extends the wireless LAN radio section of the designated mobile terminal 200 among the N terminals to the mobile communication radio section It is possible to selectively extend the wireless LAN radio section of one or more of the (N-1) terminals to the mobile communication radio section within the range of the number of concurrent users.

If it is determined that the wireless LAN radio section with at least one of the N terminals including the designated wireless terminal 200 is to be extended to the mobile communication radio section, The mobile communication module 315 of the base country on the designated mobile communication network of the designated foreign country to the mobile communication radio section between the mobile communication radio section. The wireless LAN module 310 and the mobile communication module 315 are connected to each other through the lowest layer (or two or more lower layers sequentially) of the physical layer, the data link layer, and the network layer on the protocol stack structure, The wireless LAN module 310 and the wireless LAN module 310 are connected to each other through a wireless communication link between the mobile communication module 315 and the mobile communication network, (For example, the Internet including a wireless LAN section between the terminal and the wireless LAN module 310 and including a mobile communication wireless section between the mobile communication module 315 and the mobile communication network) .

FIG. 4 is a diagram illustrating a process of registering an application 220 of a wireless terminal 200 according to an embodiment of the present invention.

In more detail, FIG. 4 shows an application 220 installed in the user wireless terminal 200 to confirm / set the home country of the app 220 to the home country to which the wireless terminal 200 belongs, 4 is a flowchart illustrating a process of registering the mobile phone number and the unique identification information of the terminal 200 according to an exemplary embodiment of the present invention. It will be appreciated that various implementations of the registration process (e.g., omitting some of the steps or changing the order) may be inferred, but the present invention includes all of the above- The technical features thereof are not limited only by the method of implementation.

Referring to FIG. 4, when an application 220 assigned to a user wireless terminal 200 is installed and executed for the first time (400), the application 220 of the wireless terminal 200 transmits a home country of the corresponding application 220 (405), the home server (100) corresponding to the home country of the application (220) registers various information including the mobile phone number of the mobile terminal (200) and unique identification information The domestic server 100 installs the designated application 220 and checks various information including the mobile phone number of the mobile terminal 200 that has confirmed / set the home country and unique identification information, And stores it in the storage medium (415).

FIG. 5 is a diagram illustrating a location registration process through an application 220 of a wireless terminal 200 according to an embodiment of the present invention.

5 shows an example in which the application 220 installed in the user wireless terminal 200 checks whether the location of the wireless terminal 200 is domestic or not and is not domestic (for example, overseas) When the location information for identifying the location of the terminal 200 is transmitted to the domestic server 100, the domestic server 100 configures the location registration information for location registration of the wireless terminal 200 located overseas, D / B, and those skilled in the art will be able to refer to and / or modify FIG. 5 to describe various methods of location registration It is to be understood that the invention may be practiced otherwise than as specifically described herein, but it is to be understood that the invention is not to be limited to those specific embodiments, It shall not be limited.

Referring to FIG. 5, when the designated application 220 is executed in the user wireless terminal 200, the app 220 is connected to the wireless terminal 200 through the location determination unit 216 of the wireless terminal 200, The location information of the mobile terminal 200 is generated 505 and the location information of the mobile terminal 200 is read to determine the current location of the mobile terminal 200 (510) whether or not the country is set as a country.

If the current location of the wireless terminal 200 is not the domestic location, the app 220 of the wireless terminal 200 generates location identification information identifying the overseas location of the wireless terminal 200 (515) The location identification information on the foreign location of the wireless terminal 200 is transmitted to the domestic server 100 corresponding to the home country of the application 220 in operation 520.

The domestic server 100 receives location identification information for an overseas location of the wireless terminal 200 that is not located in the domestic area 525 and transmits the location identification information to the foreign location of the wireless terminal 200 based on the location identification information And stores the location registration information in the designated home location registration D / B of the domestic server 100 in operation 530. The mobile terminal 200 transmits the location registration information to the overseas server 150, The foreign server 150 receives the location registration information of the wireless terminal 200 and stores the location registration information in the visited location registration D / B of the foreign server 150 (step 540) ). The domestic server 100 or the overseas server 150 transmits the location registration result of the wireless terminal 200 to the app 220 of the wireless terminal 200 And the overseas server information on the registered foreign server 150 in operation 545. The app 220 of the mobile terminal 200 receives the location registration result and transmits the location registration result to the overseas mobile terminal 200 Server information and stores the overseas server information of the foreign country in which the wireless terminal 200 is located in the designated storage area (550).

Meanwhile, if the location of the mobile station 200 is determined as a result of checking the current location of the mobile station 200, the user of the mobile station 200 has not yet traveled abroad, The local server 100 generates position identification information for identifying the domestic position of the wireless terminal 200 and transmits the generated location identification information to the domestic server 100. The domestic server 100 transmits the location identification information (560), and configures the local location registration information and stores it in the home location registration D / B of the domestic server 100 (565).

FIG. 6 is a diagram illustrating a process of processing an overseas local call based on an application 220 according to an embodiment of the present invention.

6 shows an example of an IP address of an overseas server 150 in which the location of the wireless terminal 200 is registered in the app 220 of the wireless terminal 200 located overseas via the designated IP based communication network of the wireless terminal 200 Based call connection request when the call destination number of the call connection request is the local telephone number of the foreign country in which the mobile station 200 is located. Those skilled in the art will be able to refer to and / or modify the FIG. 6 to implement various implementations (e.g., some steps are omitted or the order is changed) for the overseas local origination process based on the application 220 However, the present invention is not limited to the above-described embodiments, and the technical features of the present invention are not limited thereto.

Referring to FIG. 6, when the designated application 220 is executed in the user wireless terminal 200, the application 220 of the wireless terminal 200 transmits an IP-based call connection request through the corresponding application 220 It is confirmed whether it is possible (605). Preferably, the app 220 is booted from abroad and is executed after the home country of the app 220 is set, and the location registration information of the wireless terminal 200 is transmitted to the overseas server 150 The status of the application 220 is registered in the IP address of the wireless terminal 200 when the wireless terminal 200 is registered in the visited location registration D / B of the wireless terminal 200, It can be confirmed that the call connection request is possible.

If the state of the application 220 executed in the wireless terminal 200 is not a state capable of requesting an IP-based call connection, the application 220 of the wireless terminal 200 transmits the state of the application 220 to the IP Based call connection request is possible (610). When the state of the application 220 executed in the wireless terminal 200 is changed to a state in which an IP-based call connection request is available or an IP-based call connection request is available, the application 220 of the wireless terminal 200 transmits an IP (615) an input / output interface for inputting / selecting a destination number for requesting a call connection based on the IP address, and receives / selects a destination number for requesting an IP based call connection through the interface (620). If an incoming call number for requesting an IP-based call connection is input / selected through the interface, the application 220 of the wireless terminal 200 transmits an IP address to the designated IP based communication network (e.g., (E.g., an IP-based communication network via a private wireless LAN, or an IP-based communication network via a relay apparatus 300 of FIG. 3) (The foreign server 150 having registered the location registration information of the AP 200) to the AP 220 (step 625).

The overseas server 150 (for example, the overseas server 150 that has registered the location registration information of the wireless terminal 200) in which the wireless terminal 200 is located is connected to an app of the wireless terminal 200 The mobile terminal 200 receives and confirms an IP-based call connection request through the local server 220 (step 630). If the location registration information of the mobile terminal 200 corresponding to the origination number of the IP- It is confirmed whether it is registered in D / B (635).

If the wireless terminal 200 corresponding to the origination number of the IP-based call connection request is not registered in the overseas server 150, the overseas server 150 generates a location registration error of the wireless terminal 200 (640) to the application (220) of the wireless terminal (200) via the IP based communication network, and the application (220) of the wireless terminal (200) receives and outputs the location registration error (645).

Meanwhile, if the mobile terminal 200 corresponding to the originating number of the IP-based call connection request is registered in the visited location registration D / B of the foreign server 150, the foreign server 150 transmits the IP- (650) whether the called number of the IP-based call connection request is a local telephone number of the foreign country in which the mobile terminal 200 is located. If the called number of the IP-based call connection request is an overseas local phone number in which the mobile terminal 200 is located, the foreign server 150 transmits any one of the m phone emulators 180 of the M phone emulators 180 And converts the IP-based call connection request into an overseas local call connection request through the m-th phone emulator 180 so that the m-phone emulator 180 can transmit the foreign-language call connection request to the overseas The application 220 of the wireless terminal 200 receives the call connection request from the call terminal corresponding to the foreign local telephone number in step 655, Via the foreign local telephone network of the foreign communication company to which the phone emulator 180 is connected, the IP emulator 180 of the foreign server 150, the IP-based communication with the foreign terminal 150, the telephone emulator 180 of the foreign server 150, The call can be processed by connecting the talk channel and the call channel.

FIG. 7 is a diagram illustrating a process of processing an overseas origination based on an application 220 according to an embodiment of the present invention.

7 is a diagram illustrating an example of a case where a destination number of an IP-based call connection request is a domestic telephone number to which the wireless terminal 200 is subscribed through an app 220 of an overseas- The present invention is not limited to the above embodiments and various changes and modifications may be made to the exemplary embodiments of the present invention by referring to and / It is to be understood that the present invention may be embodied in many different forms and should not be construed as being limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Features are not limited.

Referring to FIG. 7, when the IP-based call connection request through the app 220 of the wireless terminal 200 located overseas is received by the foreign server 150, the foreign server 150 transmits the IP- (700), and confirms whether the called number of the IP-based call connection request is a domestic telephone number to which the wireless terminal (200) is subscribed. If the called number of the IP-based call connection request is a domestic telephone number, the foreign server 150 transmits the IP-based call connection request to the domestic server 100 through the IP-based communication channel connected to the domestic server 100, The domestic server 100 transmits an IP based call connection request through the application 220 of the foreign server 150 to the foreign server 150 through the IP based communication channel connected to the foreign server 150, (710) an IP-based call connection request through the app 220 of the terminal 200, and converts the received / confirmed IP-based call connection request into a call connection request of the domestic telephone network, The application 220 of the wireless terminal 200 transmits the call connection request to the foreign server 150 when the call connection request is received from the call terminal corresponding to the domestic telephone number, IP-based communication with the foreign server 150 and the domestic server 100, And by way of the IP-based speech channel, local server 100 and the local telephone network connecting the call terminal and a speech channel corresponding to the local phone number may be call handling.

FIG. 8 is a diagram illustrating a process of processing an overseas origination based on an application 220 according to another embodiment of the present invention.

8 shows a case where the called number of an IP-based call connection request through an app 220 of an overseas-located wireless terminal 200 is a foreign phone number other than the one where the wireless terminal 200 is located The present invention is not limited to the above-described exemplary embodiments, but may be modified and changed without departing from the spirit and scope of the present invention. It will be appreciated that various implementations of the process (e.g., some steps may be omitted, or alternate implementations) may be inferred, but the present invention includes all of the methods contemplated above, The technical features thereof are not limited by the implementation method alone.

Referring to FIG. 8, when an IP-based call connection request through an app 220 of a wireless terminal 200 located overseas is received by the foreign server 150, the foreign server 150 transmits the IP- (800) whether the destination number of the IP-based call connection request is a foreign phone number other than the location where the mobile terminal 200 is located. If the destination number of the IP-based call connection request is a different foreign phone number, the overseas foreign server 150 in which the mobile terminal 200 is located is connected to another foreign server 150 via an IP- The mobile terminal 200 transmits an IP based call connection request through the app 220 of the wireless terminal 200 to the foreign server 150 in step 805. The other foreign server 150 transmits the IP- (810) an IP-based call connection request through the app 220 of the wireless terminal 200 through an IP-based communication channel connected to the IP-based communication channel.

The other foreign server 150 determines one of the M phone emulators 180 and converts the IP based call connection request into another foreign call connection request through the determined phone emulator 180 The phone emulator 180 processes a procedure for connecting a call to the other foreign phone number via another foreign phone network of another foreign communication company to which the phone emulator 180 is subscribed (815) When the call connection request is received, the application 220 of the wireless terminal 200 transmits an IP based communication with the foreign server 150, an IP based call channel between the foreign server 150 and another foreign server 150, The phone emulator 180 of the overseas server 150 and another foreign telephone company of another foreign communication company to which the phone emulator 180 is connected to connect a call channel to a call terminal corresponding to the other foreign telephone number The call can be processed.

100: domestic server 105: unique identification register
110: position identification receiving unit 115: home position register
120: visited location registration unit 150: overseas server
155: location registration processing unit 160: originating request confirmation unit
165: location registration confirmation unit 170:
175: Call connection procedure part 180: Phone emulator
200: wireless terminal 220:
300: Relay device

Claims (12)

A method in which a user wireless terminal is executed through an offshore server installed in a foreign country not belonging to the affiliated communication company,
A first step in which an application executed in the user wireless terminal sets or confirms a home country of the app in the home country when an app is installed in a user wireless terminal subscribed to a domestic communication company;
A second step in which the application executed by the user wireless terminal locates the location of the wireless terminal through the location determination unit and determines whether the location of the positioned wireless terminal corresponds to the home country of the application;
If the location of the wireless terminal is not the domestic terminal, the app of the wireless terminal transmits the location registration information of the wireless terminal to the designated visited location registration D / B of the foreign server provided in the foreign country, A third step of performing a designated procedure to be registered;
A fourth step of the overseas server confirming the location registration information of the wireless terminal that has performed the designated procedure and storing the location registration information in the designated visited location registration D / B of the overseas server;
A fifth step of the overseas server confirming an IP-based call connection request through the app of the user wireless terminal;
A sixth step of the foreign server reading the IP-based call connection request of the app of the mobile terminal and confirming that the origination number of the IP-based call connection request is matched with the location registration information registered in the visited location registration D / B;
When the calling number is matched with the location registration information of the visited location registration D / B, the overseas server reads the IP-based call connection request, and the called number of the call connection request is the local telephone number of the foreign country A seventh step of confirming whether or not it is possible; And
If the called number is a local phone number of the foreign country, the overseas server transmits an IP-based call connection request of an app of the wireless terminal to a foreign country via a phone emulator corresponding to an overseas local phone subscribed to an overseas communication company Converting the local call connection request into a local call connection request and performing a call connection procedure to an overseas local phone number. The method according to claim 1,
When executing the specified application installation on the user's wireless terminal,
Further comprising the step of installing and executing a designated domestic server provided in the domestic and checking and storing the unique identification information that uniquely identifies the wireless terminal having the home country of the app set in the domestic. Local origination method. The method according to claim 1,
Further comprising the step of the application installed in the user wireless terminal checking whether the application is executed after the wireless terminal boots from abroad,
Wherein the second step is for the application executed after the booting of the wireless terminal from abroad to locate the wireless terminal through the location determination unit and the country corresponding to the location of the positioned wireless terminal corresponds to the home country of the application The method comprising the steps of: (a) receiving an application-based overseas local call from a mobile terminal; The method according to claim 1,
After the location registration information of the wireless terminal is registered in the visiting location registration D / B of the foreign server,
Further comprising the step of the app of an overseas user wireless terminal requesting an IP-based call connection to the overseas server through IP-based communication. The method according to claim 1,
The wireless terminal operates by receiving power through a port of a wireless terminal, connects the wireless terminal with a wireless LAN radio section, connects to a mobile communication network of an overseas country, and transmits a wireless terminal, to which the wireless LAN radio section is connected, A wireless LAN relay device which connects the wireless LAN relay device to a wireless data network via a mobile communication network of the wireless LAN,
The third step is a step in which the application of the wireless terminal registers the location registration of the wireless terminal in the designated visited location registration D / B of the foreign server provided in the foreign country in which the wireless terminal is located through IP based communication using the wireless LAN access point Wherein the procedure is performed to register the information. 6. The method of claim 5,
After the location registration information of the wireless terminal is registered in the visiting location registration D / B of the foreign server,
Further comprising the step of an application of an overseas user wireless terminal requesting an IP based call connection to the overseas server through IP based communication using the wireless LAN relay device. 2. The method according to claim 1,
If the location of the wireless terminal is not the home country, the application of the wireless terminal transmits location identification information for identifying the overseas location of the wireless terminal to a domestic server provided in the country corresponding to the home country of the application through IP- ;
Receiving the location identification information of the wireless terminal which is not located in the domestic server and storing the location registration information corresponding to the location of the wireless terminal in the designated home location registration D / B of the domestic server;
Checking the foreign server provided in the foreign country where the wireless terminal is located based on the location registration information of the wireless terminal;
And transmitting the location registration information of the wireless terminal to the overseas server by using the IP based communication channel connected to the confirmed overseas server by the domestic server. 8. The method as claimed in claim 7,
And receiving the location registration information of the wireless terminal from the domestic server through the IP-based communication channel between the domestic server and the overseas server and storing the received location registration information in the designated visited location registration D / B of the foreign server. Based overseas local calling method. The mobile communication terminal of claim 1,
An actual call terminal which is subscribed to an overseas communication company in which the mobile terminal is located and is connected to the foreign server,
A communication module which is hardware-modulized so as to be recognized as a virtual call terminal subscribed to the company in an overseas communication company in which the wireless terminal is located,
A call module which is implemented in a software manner so that the mobile terminal is recognized as a virtual call terminal subscribed to the mobile terminal,
And at least one of a call module implemented in hardware or software for recognizing the call terminal as a virtual call terminal subscribed to the company in an overseas communication company in which the mobile terminal is located. The mobile communication terminal of claim 1,
Wherein the subscriber is subscribed to the tariff service with unlimited voice call rates or unlimited voice call tariffs, which are among the specified overseas carrier tariffs, at the lowest rate. The method according to claim 1,
The step (c) further comprises the step of the foreign server reading the IP-based call connection request of the app of the mobile terminal and confirming that the called number of the call connection request is a domestic phone number,
In the eighth step,
And transmitting the IP-based call connection request to the domestic server via the IP-based communication channel in which the foreign server connects the domestic server and the foreign server when the called number is a domestic telephone number. App-based overseas local calling method. The method according to claim 1,
The seventh step is a step in which the foreign server reads an IP-based call connection request of an app of the mobile terminal and confirms whether the call destination number of the call connection request is a foreign phone number other than the overseas location where the mobile terminal is located Including,
In the eighth step,
And transmitting the IP-based call connection request to the foreign server via the IP-based communication channel between the foreign server and another overseas server, when the called number is another foreign phone number And transmitting the application-based overseas local originating method.

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