WO2014196740A2

WO2014196740A2 - International phone call service system and service providing method using network of remote country and remote phone number

Info

Publication number: WO2014196740A2
Application number: PCT/KR2014/004054
Authority: WO
Inventors: 김진학
Original assignee: 주식회사 수우텔레콤
Priority date: 2013-06-06
Filing date: 2014-05-07
Publication date: 2014-12-11
Also published as: KR101315349B1; WO2014196740A3

Abstract

According to an international phone call service system and service providing method using a network of a remote country and a remote phone number, which are proposed by the present invention, a gate device, in which a SIM card having communication network subscription information of a remote country stored therein is inserted, is located in the remote country. The gate device receives a call request forwarded to a remote phone number and transfers the call request to a local portable terminal through an Internet network. Thus, a call forwarded to a remote phone number can be received to allow communication, using a local portable terminal in the local country. Further, when the local portable terminal makes a call to a recipient, the gate device receives the call request and transfers the call request to the recipient terminal using a remote network, thereby enabling the local portable terminal to communicate with the remote recipient through the remote phone number using the local portable terminal.

Description

International call service system and service providing method using communication network and remote phone number of remote country

The present invention relates to an international call service system and a service providing method, and more particularly, to an international call service system and a service providing method using a communication network and a remote telephone number of a remote country.

Recently, due to the development of the Internet technology and the activation of the Internet, telephone calls using the Internet are increasing rapidly. Also, due to the spread of wireless devices, such as smart devices, which are free to use, the demand for calls using the wireless Internet is rapidly increasing. Such Internet calling services have caused Internet users to receive free calls and reduce call costs. I get a considerable response.

The existing Internet telephones are roughly divided into the following types: firstly, voice data can be connected to an Internet telephone service provider's site through a sound card for sound support of a conventional PC, and secondly, a call can be made. The adapter is designed to connect an ordinary telephone to a PC and a telephone line to use an internet telephone. When performing an internet telephone, the telephone is powered by an external power source. It is.

However, in order to use this service, free internet service must be well aware of the use of computers such as PCs, and it is difficult to use most of the older generations such as the elderly who do not know how to use it. There is a problem, and also the hassle of having to purchase a microphone, headphones, etc. necessary for using the Internet phone.

In recent years, the use of Voice over Internet Protocol (VoIP) has rapidly increased as a form of technology. VoIP uses an IP phone to save money by making a voice service, that is, a call using a packet network. Such an IP phone has the advantage of being simple to use, but when applied using the Internet, there is a problem that requires expensive equipment such as a management server and a repeater.

In order to solve this problem, an existing telephone can be used, but an individual can be free to use the Internet telephone without an external power source or other unnecessary operations, and the management server can be distributed in each region. There has been developed an international call system using the Internet to enable international calls at low rates through a repeater (Korean Patent Publication No. 10-2002-0042072).

However, in such an international call system, there is a limitation in using a communication network because there is a movement between countries, the service of a telecommunication company subscribed in the country before the movement cannot be used, and a communication network serviced by a repeater must be used. In addition, since the phone number used in the country before the move can not be used continuously, there is an inconvenience to inform the acquaintances and the like of the telephone number of the carrier registered in the new country after the move.

The present invention has been proposed to solve the above problems of the conventionally proposed methods, by placing a gate device in which a SIM (Subscriber Identification Module) in which a network registration information of a remote country is stored is inserted in a remote country, The gate device receives the call request to the number and forwards it to the local mobile terminal through the Internet network, so that the call sent to the remote phone number can be received by the local mobile terminal in the local country and can be called. When a call is made to the receiver, the gate device receives the call request and transmits the call request to the receiver terminal using the remote communication network, so that the remote telephone number can make a call using the remote receiver and the local mobile terminal. International call service using phone number To provide a system and method for providing services for that purpose.

In addition, the present invention, because the gate device to the caller or receiver using a communication network of a remote country, it is economical to be able to talk to the local mobile terminal at a local rate in the remote place, not an international call rate, and the caller or receiver is international International call service using a remote country's network and remote phone number, which allows you to make a call to a known remote phone number without requiring any further action for a call or Internet call, thereby improving the convenience of the caller or receiver. Another object is to provide a system and a service providing method.

In addition, the present invention uses the remote telephone number and the communication network subscribed in the remote country because it uses the shim that was used at the remote site, and the local mobile terminal makes a call through the gate device using the Internet network, It is free to use without restriction to the carriers subscribed to, and even if the local country is changed, it is possible to make calls using remote telephone numbers regardless of the region. To provide another purpose.

An international call service system using a communication network and a remote telephone number of a remote country according to a feature of the present invention for achieving the above object,

A local mobile terminal 100 in which a shim storing communication network subscription information of a local country is inserted and making a call using a communication network and a local telephone number of the local country; And

Including the gate device 200 is located in the remote country is inserted into the shim is stored in the network information of the remote country,

The gate device 200 receives a call request sent to a remote telephone number using a communication network of the remote country and transmits it to the local mobile terminal 100 through an internet network.

The local portable terminal 100 receives the call request transmitted from the gate apparatus 200 and makes a call through the Internet network with a caller's terminal that has dialed the remote telephone number. do.

The gate device 200 receives a call request with the receiver from the local mobile terminal 100 through an internet network, and transmits a call request to the receiver's terminal to a remote telephone number using a communication network of the remote country. ,

The local mobile terminal 100 is characterized in that the configuration of the call via the Internet network with the terminal of the receiver in response to the call request.

Preferably, the local mobile terminal 100,

A voice call using mVoIP (mobile VoIP) or a message transmission and reception using SMS (Short Message Service) or MMS (Multi Message Service) may be used to make a call with the terminal of the caller's terminal or the receiver.

Preferably, the local mobile terminal 100,

An application program 120 for a call by an internet network is installed, and the caller's terminal or a receiver's terminal can be talked through the internet network using the installed application program 120.

Preferably, the gate device 200,

As a portable device, it may include an insertion portion for inserting or withdrawing the shim.

Preferably,

The management server may further include an integrated management of the plurality of gate devices 200 located in the remote country.

International call service providing method using a communication network and a remote telephone number of a remote country in accordance with a feature of the present invention for achieving the above object,

(1) subscribing, by the local mobile terminal 100 located in a local country, to the international call service;

(2) receiving a call request of a caller who is sent to a remote telephone number using a communication network of the remote country, by a gate device 200 in which a shim storing communication network subscription information of a remote country is inserted and located in the remote country;

(3) the gate apparatus 200 forwarding the received call request to the local mobile terminal 100; And

(4) characterized in that the local portable terminal 100 includes a step of making a call with the caller's terminal through an internet network according to the received call request.

(1`) subscribing to the international call service by a local mobile terminal 100 located in a local country;

(2`) receiving a call request with a receiver from the local mobile terminal 100 through an internet network by a gate device 200 having a shim storing communication network subscription information of a remote country inserted therein and located in the remote country;

(3`) the gate device 200 transmitting the received call request to a remote telephone number to a terminal of the receiver using a communication network of the remote country; And

(4`) characterized in that the local portable terminal 100 includes a step of making a call through the Internet network with the terminal of the receiver in response to the call request.

Preferably, in step (1) or step (1 ′),

The local mobile terminal 100 may install an application program 120 for a call over the Internet network and subscribe to the international call service through the installed application program 120.

More preferably, in step (4) or step (4 ′),

The local mobile terminal 100 may call the terminal of the caller or the receiver by executing the application program 120 installed in the step (1) or step (1`) according to the received call request.

Preferably, in the step (3) or step (3`),

The gate device 200 extracts the information of the international call service subscribed to the local mobile terminal 100,

The call request may be transmitted to the local mobile terminal 100 or transmitted to the receiver terminal using the extracted information.

According to an international call service system and a service providing method using a communication network and a remote telephone number of a remote country proposed by the present invention, a gate device in which a shim in which a network registration information of a remote country is stored is inserted in a remote country, By receiving the incoming call request from the gate device and forwarding it to the local mobile terminal through the Internet network, the call sent to the remote phone number can be received by the local mobile terminal in the local country and made a call. When the call is made, the gate device receives the call request and transmits the call request to the receiver terminal using the remote communication network, so that the call can be made using the remote receiver and the local mobile terminal using the remote telephone number.

In addition, according to the present invention, since the gate device makes a call with a caller or a receiver using a communication network of a remote country, it is economical because a call can be made with a local mobile terminal at a local rate within a remote place instead of an international call rate. Callers or recipients can be enhanced by making calls to known remote telephone numbers without the need for additional action for international or Internet calls.

In addition, the present invention uses the remote telephone number and the communication network subscribed in the remote country because it uses the shim that was used at the remote site, and the local mobile terminal makes a call through the gate device using the Internet network, It is free to use regardless of the carrier that you subscribe to, and even if the local country is changed, you can make a call using a remote phone number regardless of the area.

1 is a diagram illustrating a configuration of an international call service system using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention.

2 is a flowchart illustrating a process of receiving a remote call to a local mobile terminal in a method for providing an international call service using a communication network and a remote phone number of a remote country according to an embodiment of the present invention.

FIG. 3 is a flowchart illustrating a process of receiving a remote call from a local mobile terminal in each component in a method of providing an international call service using a communication network and a remote phone number of a remote country according to an embodiment of the present invention. drawing.

4 is a diagram illustrating a flow of a process of transmitting to a receiver of a remote site to a local mobile terminal 100 in a method for providing an international call service using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention.

5 is a flow of processing a process of transmitting from a local mobile terminal 100 to a remote receiver in a local mobile terminal in a method of providing an international call service using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention. Figure.

6 is an international call service system and a service providing method using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention, using a domestic mobile terminal to receive or send to a telephone number used abroad A diagram illustrating the process.

7 is an international call service system and a service providing method using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention, receiving or sending to a telephone number used in Korea using a mobile terminal abroad. A diagram illustrating the process.

100: local mobile terminal 110: local sim

120: application program 200: gate device

210: remote core 300: caller terminal

400: receiver terminal

S110: step for the local mobile terminal to subscribe to international calling service

S120: step of the gate device receiving a call request of the caller

S130: the step of the gate device forwarding the call request to the local mobile terminal

S140: Step in which the local mobile terminal makes a call with the caller's terminal

S210: step for the local mobile terminal to subscribe to international calling service

S220: step in which the gate device receives a call request from a local mobile terminal

S230: the step of the gate device transmits the call request to the terminal of the receiver to the remote phone number

S240: step in which the local mobile terminal makes a call with the receiver's terminal

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. However, in describing the preferred embodiment of the present invention in detail, if it is determined that the detailed description of the related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. In addition, the same reference numerals are used throughout the drawings for parts having similar functions and functions.

In addition, in the specification, when a part is 'connected' to another part, it is not only 'directly connected' but also 'indirectly connected' with another element in between. Include. In addition, the term "comprising" a certain component means that the component may further include other components, except for the case where there is no contrary description.

1 is a diagram showing the configuration of an international call service system using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention. As shown in FIG. 1, an international call service system using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention may include a local mobile terminal 100 and a gate device 200. have.

That is, according to an international call service system using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention, a gate device having a remote core 210 in which a user registers communication network subscription information stored in a remote country is inserted ( 200, a user of a local country can make a call with a caller terminal 300 or a receiver terminal 400 to a remote telephone number using a local mobile terminal 100 through a remote country communication network and an Internet network. Therefore, since the local mobile terminal 100 communicates with the gate device 200 through the Internet network to make a call with the caller or the receiver, there is no need to bear roaming or international call charges, and the caller or the receiver is located in the remote country. The use of telecommunications networks allows you to make calls in the same way and at the same cost as in a remote country.

Hereinafter, each component constituting the international call service system using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention will be described in detail.

The local mobile terminal 100 may be a terminal of a user who may insert a shim in which communication network subscription information of a local country is stored and make a call using a local communication network and a local phone number. That is, the local mobile terminal 100 may be a terminal of a user inserting a local shim 110 and subscribing to a communication network of a local country to use as a local phone number. The user uses the local mobile terminal 100 used locally, as well as a call using a local telephone number, through an international call service system using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention. Receive caller's call using remote phone number or request call to remote recipient using remote phone number.

The local mobile terminal 100 may receive a call request transmitted from the gate device 200, which will be described in detail below, and make a call through an internet network with a caller's terminal calling to a remote telephone number. In addition, the local portable terminal 100 may transmit a call request to the receiver's phone number to the gate device 200 and make a call through the Internet network with the receiver's terminal in response to the call request. That is, as shown in Fig. 1, the caller or the receiver can make a call by VoIP, so that a call can be made wherever the use of the Internet network is possible regardless of the telecommunication company with which the subscriber is subscribed. In particular, when using a mobile device, it is possible to make a call using mVoIP (mobile VoIP).

In this case, the local mobile terminal 100 may be a communication terminal capable of using and making calls on the Internet network, and in particular, may be a smart device such as a smartphone, a smart note, a tablet PC, a smart camera, and the like. The smart device refers to a product which is not limited in function and that can change or expand a large part of the function through the application program 120. The smart device is a local mobile terminal 100 in the form of a smart device. The application program 120 may be installed and use the installed application program 120 to make a call with the sender's terminal or the receiver's terminal through the Internet network. However, the local mobile terminal 100 of the present invention is not limited to the form of the terminal as listed, and if the caller or the receiver of the remote site can be communicated through the gate device 200 using the Internet network, the specific terminal Regardless of the form of the present invention, the local mobile terminal 100 of the present invention can play any role.

On the other hand, the Internet network used in the present invention is not only wired Internet in general, but also wireless Internet, such as WI-FI (Wireless-Fidelity), 3G (3 Generation), 4G (4 Generation), LTE (long term evolution) through mobile carriers And various wireless Internet. In addition, the call in the present invention may include the transmission and reception of various messages such as SMS, MMS, as well as voice calls.

The gate device 200 may be located in a remote country as a device in which a shim in which communication network subscription information of a remote country is stored is inserted. The gate device 200 may serve to connect the local mobile terminal 100 and the remote caller terminal 300 or the receiver terminal 400 using a communication network and an internet network of a remote country.

When a user at a remote site joins a network of a remote country and uses a terminal as a remote phone number, the remote center 210 storing the user's remote country network registration information is issued. The user may use the remote telephone number by inserting the remote core 210 into the mobile terminal when the remote terminal is located in the remote terminal, but cannot use the communication network of the remote country when in the local area. In the present invention, when the remote shim 210 is inserted into the gate device 200 at the remote place, the caller calls the remote telephone number, or when the local mobile terminal 100 tries to call the receiver at the remote telephone number, The gate device 200 may enable a call to a communication network of a remote country.

First, the process of receiving the call request sent by the caller terminal 300 from the local mobile terminal 100 in detail, the gate device 200 receives the call request sent to the remote telephone number using the communication network of the remote country. In this case, it can be delivered to the local mobile terminal 100 through the Internet network. That is, since the gate device 200 receives the call when the caller makes a call to the remote phone number, and the gate device 200 forwards the received call to the local mobile terminal 100, the caller calls the remote phone number. Even if you can call the user without problems.

Next, looking at the process of the local mobile terminal 100 to the receiver terminal 400 in detail, the gate device 200 receives a call request with the receiver from the local mobile terminal 100 through the Internet network, The remote country's telecommunications network can send a call request to the recipient's terminal to the remote telephone number. That is, when the user requests a call with the receiver using the local mobile terminal 100, the gate device 200 may receive the call and transmit the received call to the receiver terminal 400. Therefore, the receiver receives a call sent to the remote telephone number used by the user at the remote site, and the user can make a call comfortably without knowing that the user is located locally.

In addition, the gate device 200 may include an inserting portion capable of inserting or withdrawing a shim as a portable device. That is, by allowing the gate device 200 to be portable, the seam of another remote location may be inserted and used at another remote location according to the user's convenience. In addition, when the user visits the remote site, the remote core 210 is extracted from the insertion unit of the gate apparatus 200 and inserted into the terminal of the user, so that the communication network and remote telephone number of the remote country may be used in the terminal.

Meanwhile, the international call service system using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention may further include a management server to manage the plurality of gate devices 200 (not shown).

The management server may collectively manage the plurality of gate devices 200 located in the remote country. Although the gate device 200 may be personally managed by a user, when personal management is difficult, an operator providing the international call service of the present invention may establish a management server and manage the gate device 200 integratedly. Through the management server, the user can use the international call service stably without problems such as failure or theft of the gate device 200.

2 is a diagram illustrating a flow of a process of receiving a call of a remote site to a local mobile terminal 100 in a method of providing an international call service using a communication network and a remote phone number of a remote country according to an embodiment of the present invention. As shown in FIG. 2, in the method for providing an international call service using a communication network and a remote phone number of a remote country according to an embodiment of the present invention, the local mobile terminal 100 subscribes to the international call service (S110). In step S120, the gate device 200 receives the call request of the caller, in step S130, the gate device 200 transmits the call request to the local mobile terminal 100, and the local mobile terminal 100 sends the caller. Including the step of making a call with the terminal (S140), the local mobile terminal 100 can receive a remote call.

3 is a flow for processing a process of receiving a call from a remote site to a local mobile terminal 100 in a method of providing an international call service using a communication network and a remote phone number of a remote country according to an embodiment of the present invention. Figure is a diagram. Hereinafter, referring to FIGS. 2 and 3, in a method for providing an international call service using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention, a remote call is received by a local mobile terminal 100. Each step of the process is explained in detail.

In step S110, the local mobile terminal 100 located in the local country may subscribe to the international call service. In this case, in step S110, the local mobile terminal 100 may install an application program 120 for a call by the Internet network and may subscribe to an international call service through the installed application program 120. At the time of subscription, the local mobile terminal 100 may register by inputting a remote telephone number to be received, and the remote telephone numbers to be registered may be plural.

In step S120, the shim storing the network network subscription information of the remote country is inserted and the gate device 200 located in the remote country may receive a call request of the caller who is sent to the remote phone number using the remote country's communication network. That is, when the caller terminal 300 is dialed to the remote telephone number, the gate apparatus 200 in which the remote core 210 is inserted may receive a call using communication network subscription information of the remote country stored in the core.

In operation S130, the call request received by the gate apparatus 200 may be transmitted to the local mobile terminal 100. In this case, in operation S130, the gate apparatus 200 may extract international call service information subscribed to the local portable terminal 100, and transmit the received call request to the local portable terminal 100 using the extracted information. That is, the gate device 200 may specify the local mobile terminal 100 to which the call is to be transferred by extracting the international call service information subscribed in step S110 by using the remote telephone number of the received call request. When the local mobile terminal 100 is specified as described above, the call request of the caller received in step S120 may be transmitted to the specified local mobile terminal 100.

In step S140, the local mobile terminal 100 may make a call with the caller's terminal through the Internet network according to the received call request. That is, the local mobile terminal 100 may be connected to the caller terminal 300 through the Internet network to make a call. In particular, in step S140, in response to the call request received by the local mobile terminal 100, the application program 120 installed in step S110 may be executed to make a call with the caller's terminal. That is, the application program 120 may transmit the caller's voice to the local mobile terminal 100 and transmit the user's voice to the caller terminal 300 through the Internet network, so that a smooth call can be made.

4 is a diagram illustrating a flow of a process of calling to a receiver of a remote site by the local mobile terminal 100 in the method of providing an international call service using a communication network and a remote phone number of a remote country according to an embodiment of the present invention. As shown in FIG. 4, in the method for providing an international call service using a communication network and a remote phone number of a remote country according to an embodiment of the present invention, the local mobile terminal 100 subscribes to the international call service (S210). In step S220, the gate device 200 receives the call request from the local mobile terminal 100, and the gate device 200 transmits the call request to the terminal of the receiver to the remote phone number (S230) and the local mobile device. The terminal 100 may make a call with the receiver's terminal (S240), and may transmit the call to the remote receiver through the local portable terminal 100.

5 is a flow of processing a process of transmitting from a local mobile terminal 100 to a remote receiver in a local mobile terminal in a method of providing an international call service using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention. Figure is a diagram. Hereinafter, referring to FIGS. 4 and 5, in a method of providing an international call service using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention, the local mobile terminal 100 transmits to a remote receiver. Each step of the process is explained in detail.

In step S210, the local mobile terminal 100 located in the local country may subscribe to the international call service. In this case, step S210 may be processed by the same process as step S110.

In operation S220, a shim in which communication network subscription information of a remote country is stored may be inserted, and the gate device 200 located in the remote country may receive a call request from the local mobile terminal 100 via the Internet network. That is, when the local mobile terminal 100 executes the application program 120 to identify and send the receiver, the gate apparatus 200 in which the remote shim 210 of the remote place where the receiver is located is inserted through the Internet network. The mobile terminal 100 may receive a call request.

In operation S230, the gate apparatus 200 may transmit the received call request to the receiver's terminal as a remote telephone number using a communication network of a remote country. At this time, in step S230, the gate device 200 extracts the international call service information subscribed to the local portable terminal 100, and transmits a call request to the receiver terminal 400 using the remote telephone number included in the extracted information. Can be. That is, the gate apparatus 200 may transmit the call request received in step S220 to the receiver terminal 400 by sending a call to the receiver using a communication network of a remote country with a remote telephone number.

In step S240, the local mobile terminal 100 can make a call through the Internet network with the terminal of the receiver in response to the call request. That is, the local mobile terminal 100 may be connected to the receiver terminal 400 through the Internet network to make a call. In particular, in step S240, when the receiver terminal 400 responds to the received call request, the call can be made by voice or text via mVoIP, SMS, MMS, or the like through the Internet network. At this time, the local mobile terminal 100 transmits the user's voice to the receiver terminal 400 through the Internet network using the application program 120 and transmits the voice of the receiver to the local mobile terminal 100, so that smooth call Can be done.

6 and 7 illustrate an example of a structure in which an international call is made through an international call service system and a service providing method using a communication network and a remote phone number of a remote country according to an embodiment of the present invention.

First, FIG. 6 is an international call service system and a service providing method using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention. FIG. Is a diagram illustrating an example of a transmission process. In FIG. 6, the local becomes Korean and the remote becomes overseas such as the United States, China, Japan, Vietnam, Australia, the United Kingdom, etc., and the telecommunications companies and telephone numbers subscribed to each country are generally different from each other.

When the caller terminal 300 requests a call to a remote telephone number subscribed to each country, the local mobile terminal 100 in Korea through the gate device 200 in which the remote center 210 of the corresponding country is inserted is provided. The call can be connected. Therefore, a foreigner residing in Korea can make a call to a mobile terminal that is registered and used in Korea when a family member or acquaintance makes a call using the telephone number used in his home country. In addition, in the case of a businessman with many offices abroad, a mobile terminal in use in Korea can receive a call from an overseas customer or employee who knows the telephone number subscribed to the overseas office.

In addition, when the local mobile terminal 100 in Korea makes a call to a remote receiver, a call is made to the remote receiver terminal 400 through the gate device 200 in which the remote center 210 of the country where the receiver is located is inserted. Can be connected. In this case, since the receiver receives a call request to a remote telephone number used by the user at a remote location, the receiver can receive the user's call without being rejected by a call received at an unknown number or an international telephone number.

On the other hand, Figure 7 is using the international call service system and service providing method using a communication network and a remote telephone number of a remote country according to an embodiment of the present invention, by using a mobile terminal abroad to receive or use a domestic phone number FIG. Is a diagram illustrating an example of a transmission process. In FIG. 7, the local is China and the remote is Korea. For example, a user who subscribes to a domestic telecommunications company and has a domestic phone number may be used when studying abroad, traveling, or immigrating to a country such as China. A user inserts a shim of a mobile terminal used in Korea into the gate device 200 and places it in Korea, and in China, joins a Chinese telecommunication company to use a local mobile terminal 100, in which case the telephone numbers of each country are different. Is common. When a family member or acquaintance in Korea calls a Korean phone number, the user can be connected to the local mobile terminal 100 in China through the gate device 200 and make a call. In addition, when a user executes an application program 120 of a local mobile terminal 100 to make a call to a Korean family or acquaintance, a call is connected to a Korean phone number using a Korean communication network through a gate device 200. This can be Therefore, a Korean family member or acquaintance can make a call without knowing the Chinese phone number, and can make a low-cost call without paying expensive roaming or overseas call.

The present invention described above may be variously modified or applied by those skilled in the art, and the scope of the technical idea according to the present invention should be defined by the following claims.

Claims

As an international call service system,

A local mobile terminal 100 in which a SIM (Subscriber Identification Module) in which local network communication information is stored is inserted and makes a call using a local communication network and a local telephone number; And

Including the gate device 200 is located in the remote country is inserted into the shim is stored in the network information of the remote country,

The gate device 200 receives a call request sent to a remote telephone number using a communication network of the remote country and transmits it to the local mobile terminal 100 through an internet network.

The local mobile terminal 100 receives the call request transmitted from the gate apparatus 200 and makes a call through the internet network with a caller's terminal calling to the remote telephone number. International call service system using national network and remote telephone number.
As an international call service system,

A local mobile terminal 100 in which a SIM (Subscriber Identification Module) in which local network communication information is stored is inserted and makes a call using a local communication network and a local telephone number; And

Including the gate device 200 is located in the remote country is inserted into the shim is stored in the network information of the remote country,

The gate device 200 receives a call request with the receiver from the local mobile terminal 100 through an internet network, and transmits a call request to the receiver's terminal to a remote telephone number using a communication network of the remote country. ,

The local mobile terminal (100), the international call service system using a communication network and a remote telephone number of a remote country, characterized in that the call via the Internet network with the terminal of the receiver in response to the call request.
The method of claim 1 or 2, wherein the local mobile terminal 100,

Remote country, characterized in that the call to the caller's terminal or the receiver's terminal through a voice call using mVoIP (mobile VoIP), or a message transmission and reception using the SMS (Short Message Service) or MMS (Multi Message Service) International call service system using telecommunication network and remote telephone number.
The method of claim 1 or 2, wherein the local mobile terminal 100,

An application program 120 for a call by an internet network is installed, and the remote country is characterized in that the call is made with the caller's terminal or the receiver's terminal through the internet network using the installed application program 120. International call service system using telecommunication network and remote telephone number.
According to claim 1 or 2, The gate device 200,

A portable device, comprising: an insertion unit capable of inserting or withdrawing a shim, an international call service system using a communication network and a remote telephone number of a remote country.
The method according to claim 1 or 2,

The international call service system using a communication network and a remote telephone number of a remote country, characterized in that it further comprises a management server for the integrated management of the plurality of the gate device (200) located in the remote country.
As a method of providing international call service,

(1) subscribing, by the local mobile terminal 100 located in a local country, to the international call service;

(2) receiving a call request of a caller who is sent to a remote telephone number using a communication network of the remote country, by a gate device 200 in which a shim storing communication network subscription information of a remote country is inserted and located in the remote country;

(3) the gate apparatus 200 forwarding the received call request to the local mobile terminal 100; And

(4) the local mobile terminal 100 using the communication network of the remote country and the remote telephone number, characterized in that it comprises the step of making a call with the caller's terminal through the Internet network according to the received call request. How to provide international calling service.
As a method of providing international call service,

(1`) subscribing to the international call service by a local mobile terminal 100 located in a local country;

(2`) receiving a call request with a receiver from the local mobile terminal 100 through an internet network by a gate device 200 having a shim storing communication network subscription information of a remote country inserted therein and located in the remote country;

(3`) the gate device 200 transmitting the received call request to a remote telephone number to a terminal of the receiver using a communication network of the remote country; And

(4`) an international call using a communication network and a remote telephone number of a remote country, characterized in that the local mobile terminal 100 makes a call through the Internet network with a terminal of the receiver in response to the call request. How we deliver the service.
The method according to claim 7 or 8, wherein in step (1) or step (1 ′),

The local mobile terminal 100 installs an application program 120 for a call by the Internet network, and subscribes to the international call service through the installed application program 120, a communication network of a remote country And providing an international call service using a remote telephone number.
The method of claim 9, wherein in step (4) or step (4 ′),

The local mobile terminal 100 executes the application program 120 installed in the step (1) or step (1`) according to the received call request to make a call with the caller's or receiver's terminal. Method of providing an international call service using a network and a remote telephone number of a remote country.
The method according to claim 7 or 8, wherein in step (3) or step (3 ′),

The gate device 200 extracts the information of the international call service subscribed to the local mobile terminal 100,

And using the extracted information to transmit the call request to the local portable terminal (100) or to the terminal of the receiver, an international call service providing method using a communication network and a remote telephone number of a remote country.