KR20100116864A - Apparatus and method for providing charges of roaming service - Google Patents

Abstract

PURPOSE: A device and a method for providing roaming service using charge are provided to supply the roaming service using charge by calculating the charge according to the kind of roaming service using charge selected from a user. CONSTITUTION: A check unit(230) checks the kind of roaming service use fee selected from a user. A charge calculating unit(240) calculates the roaming service use fee according to the selected kind of the use fee. A display unit(260) provides the selected roaming service use fee form the calculated user. A storing unit(250) stores the roaming service use list which the user used by classifying the roaming service use fee into kinds.

Description

Apparatus and method for providing charges of roaming service

The present invention relates to an apparatus and method for providing a roaming service usage fee, and more particularly, to a roaming service usage fee calculated by providing a roaming service usage fee of a mobile communication terminal according to a type of roaming service usage fee selected by a user. It relates to an apparatus and a method for providing.

In the current mobile communication service, when a mobile communication service subscriber visits overseas, a service that provides mobile phone call origination and incoming call service to both subscribers in any area by interworking agreement and system between mobile communication providers is called roaming service. do.

With the commercialization of such roaming services, mobile communication subscribers can easily make calls using their own numbers even if they cannot travel directly to a remote country geographically and directly access a domestic mobile communication system.

1 is a diagram illustrating a conventional international roaming system, wherein an international roaming system includes an overseas roaming gateway 11, an overseas mobile switching center 12, an overseas mobile communication network 10, a domestic roaming gateway 21, and a domestic movement. Domestic mobile communication network 20 including an exchange station 22, international signaling network 30 used for the transmission of routing phone numbers between the overseas mobile communication network 10 and the domestic mobile communication network 20, and the overseas mobile communication network 10 and an international telephone network 40 for connecting a call path between the domestic mobile communication network 20.

In the process of providing the international roaming service, first, when a subscriber of the overseas mobile communication network 10 joins a roaming service and is located within the service area of the domestic mobile communication network 20, a user may select a domestic mobile communication network 20. When a call is requested to a subscriber identification number that is roaming, the overseas mobile switching center 12 requests the domestic mobile communication network 20 through the international roaming gateway 11 through the international signal network 30.

In addition, the domestic mobile switching center 22 transmits the routing phone number to the overseas mobile communication network 10 through the domestic roaming gateway 21, and the overseas mobile switching center 12 provided with the routing phone number is the routing phone number. By using the incoming call to the mobile communication terminal of the roaming subscriber via the international telephone network 40, the incoming connection is made.

An object of the present invention is to calculate and provide a roaming service usage fee of a mobile communication terminal according to the type of roaming service usage fee selected by a user.

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

In order to achieve the above object, the apparatus for providing a roaming service fee according to an embodiment of the present invention, a check unit for checking the type of the roaming service fee selected by the user, and roaming according to the type of the selected fee And a display unit for providing a roaming service use fee selected from the calculated user.

The method for providing a roaming service usage fee according to an embodiment of the present invention may include checking a type of a roaming service use charge selected by a user, and calculating a roaming service use charge according to the type of the selected use charge. And providing a selected roaming service usage fee from the calculated user.

Specific details of other embodiments are included in the detailed description and the drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

According to the apparatus and method for providing a roaming service fee as described above, there are one or more of the following effects.

First, the roaming service usage fee of the mobile communication terminal is calculated and provided according to the type of roaming service usage fee selected by the user, and thus the roaming service usage fee used by the user can be predicted.

Second, since the user can quickly receive the desired fee through the menu selection of the mobile communication terminal, there is an advantage that the user can easily obtain the desired fee information.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a block diagram of a system for providing a roaming service fee according to an embodiment of the present invention.

As shown in the drawing, a system providing roaming service usage fee includes a base station / base station controller (RTS / RNC) 110, a switch (MSC) 120, and a switch ( It may be configured to include a relay location register (GLR) 130 and a home location register (HLR) 140 interworking with 120. The visited network may include a mobile communication terminal 200, an overseas exchange 150, and an overseas roaming network 160.

The mobile communication terminal 200 refers to a mobile phone, and the mobile communication terminal 200 may hold a mobile communication terminal identifier. The mobile terminal identifier is a unique value for identifying the mobile communication terminal 200 from another mobile communication terminal. When the mobile communication terminal 200 is produced, the mobile terminal identifier is assigned to the mobile communication terminal by the mobile terminal manufacturer or an authorized authority. Can be. The mobile communication terminal 200 may be a voice call and / or a video regardless of the name of the mobile terminal such as a cellular phone, a personal communication service (PCS) phone, a PDA phone, a GSM phone, a CDMA-2000 phone, a WCDMA phone, a DMB phone, and the like. An embodiment of the present invention may be applied to a terminal having a function of making and receiving a call.

In addition, an information card including a subscriber identifier may be connected to the mobile communication terminal 200. The subscriber identifier is unique information for identifying a subscriber, for example, an International Mobile Subscriber Identity (IMSI). In addition, the information card may generate an authentication value using a predetermined authentication function, which may be used when authenticating a subscriber in a mobile communication network. Here, the information card may be detachably connected to the mobile communication terminal 200, or may be fixed to the mobile communication terminal 200 to prevent the subscriber from detaching the information card from the mobile communication terminal 200 arbitrarily. The information card may include a memory capable of storing data and a central processing unit (CPU) capable of performing a predetermined operation. Examples of such information cards include a subscriber identity module (SIM) card and a universal subscriber identity module (USIM) card.

In addition, the mobile communication terminal 200 calculates and provides a fee for using a roaming service according to the type of fee for using a roaming service selected by a user. Here, the calculation of the roaming service fee is possible by downloading an application for calculating the roaming service fee from an external server (for example, a mobile carrier server) (not shown). In addition, the type of roaming service usage fee may be understood as a period fee and a service fee. For example, period-based charges can be divided into last charges, day cumulative charges, weekly cumulative charges, monthly cumulative charges, and last charges.The charges for each service are SMS / LMS call charges, MMS call charges, and voice call charges. It can be divided into call origination / reception rate, video call origination / reception rate, and data connection fee. Here, the types of roaming service usage fees that can be selected by the user have been described for each period and service, but are not necessarily limited thereto. Hereinafter, an apparatus (ie, the mobile communication terminal 200) for providing a roaming service fee will be described in more detail with reference to FIG. 3.

The base station / base station controller (RTS / RNC) 110 serves to ensure the mobility of the terminal, and performs hand-off and radio resource management functions. The base station / base station controller (RTS / RNC) 110 configures an access network for circuit connection or packet connection of the mobile communication terminal to the core network. Specifically, the base station (RTS) performs a radio access termination function with a subscriber station conforming to the 3rd Generation Partnership Project (3GPP) radio access standard. In particular, the base station (RTS) transmits and receives voice, video, and data traffic in a WCDMA manner. The base station controller (RNC) performs functions such as wired and wireless channel management, protocol matching with subscriber stations, protocol matching between base stations, soft handoff processing, core network protocol processing, general packet radio service (GPRS) access, fault management, and system loading. In charge.

The exchanger (MSC) 120 has a soft switching structure to speed up call processing in addition to the basic functions for voice communication in the existing IS-95B network. Here, soft switching is a technology capable of processing voice, data, and video signals with a high speed packet switch by upgrading a circuit switch of a conventional exchange to a software switch.

The overseas MSC 150 is a node interworking with the GLR 130 of the home network through the overseas roaming network 160 in the visited network. In addition, the overseas MSC 150 requests the GLR 130 to register the location of the mobile communication terminal 200 of the visited network, and the GLR 130 transmits the information to the HLR 140 to the HLR 140. The location information may be registered in the HLR 140 of the home network.

The home location register (HLR) 140 stores and manages subscriber information, additional service information for each subscriber, and location information of a mobile communication terminal. In particular, the home location register 140 stores profile information of the sending and receiving terminals. This profile information includes the mobile identification number (MIN) (subscriber telephone number), the ESN (electric serial number) of the subscribing terminal, the subscribed additional service information, and the like.

The relay location register (GLR) 130 performs a function of a virtual home location register for the mobile communication terminal 200 roaming to the visited network, and is opened in the home network while the mobile communication terminal 200 roams. Can be. That is, when the mobile communication terminal 200 uses a roaming service, the GLR 130 registers location information and subscribed additional service information stored in the original home location register of the mobile communication terminal 200. In addition, the GLR 130 is a protocol of each communication network for roaming services between foreign and domestic networks using different Mobile Application Protocol (MAP) protocols (ANSI-41, GSM (Europe), PDC (Japan), UMTS, etc.). You can convert it to match your needs. In addition, the GLR 130 may perform a function of converting the telephone number of the mobile communication terminal to match the protocol of each communication network.

3 is a diagram illustrating an apparatus for providing a roaming service fee according to an embodiment of the present invention. Here, the device providing the roaming service usage fee may be understood as the mobile communication terminal 200.

As shown, the apparatus 200 for providing a roaming service usage fee includes a communication unit 210, a roaming determination unit 220, a check unit 230, a charge calculation unit 240, a storage unit 250, and a display unit. 260 and the control unit 270 is configured.

In this case, the term '~ part' used in the present embodiment refers to software or a hardware component such as an FPGA or an ASIC, and '~ part' performs certain roles. However, '~' is not limited to software or hardware. '~ Portion' may be configured to be in an addressable storage medium or may be configured to play one or more processors. Thus, as an example, '~' means components such as software components, object-oriented software components, class components, and task components, and processes, functions, properties, procedures, and the like. Subroutines, segments of program code, drivers, firmware, microcode, circuits, data, databases, data structures, tables, arrays, and variables. The functionality provided within the components and the 'parts' may be combined into a smaller number of components and the 'parts' or further separated into additional components and the 'parts'.

The communication unit 210 receives an application for calculating a roaming service usage fee from a mobile communication company server (not shown), and receives a changed roaming rate from an external server (ie, a mobile communication company server) when the country-specific roaming rate is changed. Here, whether to change the country roaming rate is provided through the SMS, and the country-specific roaming rate changed by the request of the user who receives the SMS is downloaded (stored) to the storage unit 250 of the mobile communication terminal 200. For example, the user may recognize that the country-specific roaming rate is changed through the received SMS, and may request an update of the country-specific roaming rate through the country-specific roaming rate update menu of the mobile communication terminal 200.

The roaming determiner 220 determines a country where the user uses the service through the mobile communication terminal 200 to determine whether the user is in a roaming state. Here, the roaming determination unit 220 is a mobile mobile code (MNC: Mobile Conuntry Code) which is a country code to which the overseas MSC 150 belongs, and a mobile network code (MNC) which is a business code for operating the overseas MSC 150. Determine the country in which the user of the mobile communication terminal 200 is currently located.

The checker 230 determines whether the user requests the inquiry of the roaming service usage fee, and checks the type of the roaming service usage fee selected by the user. That is, the user may select a fee to be provided among the fee for using the roaming service of the mobile communication terminal 200. Here, the type of roaming service usage fee may be understood as a fee for each period and a fee for each service. For example, period-based charges can be divided into last charges, day cumulative charges, weekly cumulative charges, monthly cumulative charges, and last charges.The charges for each service are SMS / LMS call charges, MMS call charges, and voice call charges. It can be divided into call origination / reception rate, video call origination / reception rate, and data connection fee. Here, the types of roaming service usage fees that can be selected by the user have been described for each period and service, but are not necessarily limited thereto.

The fee calculator 240 calculates a fee for using the corresponding roaming service based on the roaming rate for each country previously stored in the storage 250 and the type of the roaming service fee selected by the user based on the check result of the checker 230. Calculate Here, since the charging system of the roaming service is charged in minutes, the charge calculation unit 240 automatically raises less than 1 minute (1 second to 60 seconds) when calculating the usage fee of the roaming service according to the usage time used by the user. do. In addition, the rate calculator 240 separately calculates the incoming call charge of the roaming service by separately distinguishing the charge from the local incoming charge and the international section (IDD).

For example, when the user selects the call charge for the day through the “roaming service charge” menu, the charge calculator 240 is classified by the roaming rate for each country and the roaming service charge type previously stored in the storage 250. Roaming service usage fee used by the user on the day is calculated based on the "day call usage history" among the stored information.

In addition, when the user selects a voice call origination / incoming rate through the “roaming service usage fee” menu, and then inputs a specific period, the charge calculation unit 240 stores roaming rates for each country previously stored in the storage unit 250. Calculates outgoing / incoming charges for voice calls used in a specific period input from the user based on “specified period information” and “voice outgoing / incoming usage history” among the information stored classified by the roaming service usage fee type do.

The storage unit 250 stores the roaming rate table for each country, and stores the roaming service usage history used by the user by classifying the roaming service usage fee type (that is, by period and service). In addition, the roaming rate for each country pre-stored in the storage unit 250 is updated with the roaming rate for each country changed according to the user's request for updating the roaming rate for each country.

The display unit 260 displays the usage fee of the roaming service calculated by the charge calculator 240 on the screen of the mobile communication terminal 200. In addition, the display unit 260 displays a "roaming service usage fee" menu that the user can select for a fee that the user wants to receive from the roaming service usage fee, and "roaming rate update" requesting an update with a changed roaming rate for each country. Display the menu. Hereinafter, the "roaming service usage fee" menu displayed on the screen of the mobile communication terminal 200 and the calculated usage fee of the roaming service will be described in more detail with reference to FIGS. 5 and 6.

The controller 270 controls the operation of each of the functional blocks 150 to 260 constituting the apparatus 200 for providing a roaming service fee.

4 is a diagram illustrating a method for providing a roaming service usage fee according to an embodiment of the present invention. Here, it is assumed that the mobile communication terminal 200 has downloaded an application for calculating a roaming service fee from a mobile communication company server (not shown), and the mobile communication terminal 200 is currently in a roaming state.

First, after a user uses a roaming service through the mobile communication terminal 200, the user requests a roaming service use fee through a “roaming service use charge” menu of the mobile communication terminal 200 (S410 and S420).

Next, the check unit 230 of the mobile communication terminal 200 determines whether the user has requested the inquiry of the final fee through the "roaming service fee" menu (S430).

As a result of the determination, when the user requests the inquiry of the final usage fee (YES in S430), the charge calculation unit 240 stores the usage history which is classified and stored according to the roaming rates and types by country previously stored in the storage 250. The usage fee of the corresponding roaming service according to the type of roaming service usage fee selected by the user is calculated based on the final usage history (S450).

Next, the display unit 260 provides the final roaming service usage fee calculated through the charge calculator 240 to the screen of the mobile communication terminal 200 (S460).

On the other hand, if the user does not request the inquiry of the final fee as a result of the determination (No in S430), the checker 230 determines the type and period of the roaming service fee selected by the user through the "roaming service fee" menu. Check the information (S440).

Next, the fee calculator 240 calculates the fee for using the corresponding roaming service according to the type of the fee for using the roaming service selected by the user based on the roaming rate for each country previously stored in the storage 250 (S450).

For example, when the user selects the call charge for the day through the “roaming service charge” menu, the charge calculator 240 is classified by the roaming rate for each country and the roaming service charge type previously stored in the storage 250. Roaming service usage fee used by the user on the day is calculated based on the "day call usage history" among the stored information.

In addition, when the user selects a voice call origination / incoming rate through the “roaming service usage fee” menu, and then inputs a specific period, the charge calculation unit 240 stores roaming rates for each country previously stored in the storage unit 250. Calculates outgoing / incoming charges for voice calls used in a specific period input from the user based on “specified period information” and “voice outgoing / incoming usage history” among the information stored classified by the roaming service usage fee type do.

Next, the display unit 260 provides the roaming service usage fee calculated through the charge calculator 240 to the screen of the mobile communication terminal 200 (S460).

5A to 5F illustrate roaming service usage fees for each period provided on a screen of a device for providing a roaming service usage fee according to an embodiment of the present invention.

First, as illustrated in FIG. 5A, the display unit 260 of the mobile communication terminal 200 includes roaming service usage fee menu 510 and detailed items related to roaming service usage fee on the screen of the mobile communication terminal 200. A menu list 511 and a specific function button (ie, menu and confirmation button) 512. Here, the tax item related to the roaming service usage fee is a charge calculation item that calculates and provides a roaming service usage fee according to a type selected by the user, a usage guide item explaining how to use the roaming service usage fee, and a roaming service usage fee screen. An environment setting item for setting a call record initialization item for initializing a call record of the mobile communication terminal 200 and a roaming rate update item for setting whether to update a changed roaming rate.

When the user selects the item “calculate fee” in the menu list 511, as shown in FIG. 5B, the fee calculation selection screen 520 is displayed on the screen of the mobile communication terminal 200.

That is, the fee calculation selection screen 520 displayed on the mobile terminal 200 includes a final fee item 521 for inquiring the fee of the roaming service that the user finally used, and the user is on the day (that is, today) Cumulative charge item 522 on the day that you can look up charges for roaming services used during the week, cumulative charge item 523 for the weekly user that you can look up charges for roaming services you used for a specific week The monthly cumulative rate item (524) to view the charges for roaming services used in a particular month, the last charge rate item (525) to view the charges for the last roaming service used by the user, and the service. A charge item 256 for each service that can inquire charges accordingly is included.

For example, when the user selects the final fee item 521 on the fee calculation selection screen 520, the screen displayed on the mobile communication terminal 200 is as shown in FIG. 5C.

That is, the screen 530 provided with the fee for using the roaming service finally used by the user includes the final service use time information (that is, January 13, 2009 17:21) 531 and the fee information (that is, 15,600 won). 532.

In addition, when the user selects the cumulative charge item 522 on the day on the charge calculation selection screen 520, the screen displayed on the mobile communication terminal 200 is the same as that of FIG. 5D.

That is, the screen 540 provided with the usage fee of the roaming service used by the user on the day includes date and time (ie, date) information (ie, January 13, 2009) 541 and usage fee information (ie, 5,600 won). 542.

In addition, when the user selects the weekly cumulative fee item 523 on the fee calculation selection screen 520, the screen displayed on the mobile communication terminal 200 is the same as that of FIG. 5E.

That is, the screen 550 provided with the fee for the roaming service used by the user for a specific week includes the date and time (that is, the week) information (that is, January 13 to 13, 2009) 551 and the fee information (that is, the fee). , 10,000 won).

In addition, when the user selects the monthly cumulative charge item 524 on the charge calculation selection screen 520, the screen displayed on the mobile communication terminal 200 is the same as that of FIG. 5F.

That is, the screen 560 provided with the usage fee of the roaming service used by the user in a particular month includes the date and time (that is, the corresponding month) information (ie, January 2009) 561 and the usage fee information (ie, 15,000 KRW). (562).

Meanwhile, the user sets a specific roaming service usage fee type through a configuration item of the menu list 511 including detailed items related to the roaming service usage fee. The roaming service usage fee of the set fee type may be directly provided without a selection process for.

6A to 6F illustrate roaming service usage fees for each service provided on a screen of a device for providing a roaming service usage fee according to an embodiment of the present invention.

First, as shown in FIG. 5B, when the charge item 256 for each service is selected on the charge calculation selection screen 520, as shown in FIG. 6A, the charge calculation selection screen 610 for each service is displayed in the mobile communication terminal ( 200).

That is, the service-specific charge calculation selection screen 610 displayed on the mobile communication terminal 200 includes an SMS / LMS call item 611 that allows the user to inquire a charge for the SMS / LMS service sent by the user. MMS outgoing / incoming items that allow you to inquire charges for outgoing / incoming MMS services (612); voice call outgoing / incoming items that allow you to inquire charges for outgoing / incoming voice calls in your services (613) ), A video call originating / receiving item 614 for inquiring a charge for a video call service that the user has made / incoming, and a data connection item 615 for inquiring a fee for a data service that a user has access to. ) Is included.

For example, when the user selects the SMS / LMS origination item 611 on the service-specific charge calculation selection screen 610, the screen displayed on the mobile communication terminal 200 is as shown in FIG. 6B.

That is, a screen 620 for setting a specific period is provided in order to query the usage fee for the SMS / LMS service sent by the user. Here, the period setting screen 620 includes a start period item 621 that you want to inquire and an end period item 622 that you want to inquire.

Accordingly, when the user sets a specific period in the start period item 621 and the end period item 622, a screen 630 is provided in which the SMS / LMS call rate for the period set by the user is provided. Here, the screen 630 provided with the SMS / LMS call charge is provided with start period information (ie, January 13, 2009) 631, end period information (ie, January 15, 2009) 632, and sent. Information on usage (ie, 14) 633 and usage fee information (ie, 8,900 won) 634 are included.

In addition, when the user selects the MMS call / incoming item 612 on the service-specific charge calculation selection screen 610, the screen displayed on the mobile communication terminal 200 is the same as FIG. 6C.

That is, a screen 640 is provided for setting a specific period in order to inquire a fee for the MMS service that the user has sent / received. Here, the period setting screen 640 includes a start period item 641 that you want to inquire and an end period item 642 that you want to inquire.

Accordingly, when the user sets a specific period in the start period item 641 and the end period item 642, a screen 650 in which the MMS origination / incoming fee is provided for the period set by the user is displayed. Here, the screen 650 provided with the MMS outgoing / incoming rate includes the start period information (ie, January 13, 2009) 651, the end period information (ie, January 15, 2009) 652, and the outgoing / Information about the received usage (ie, origination: 14, incoming: 5) 653 and usage fee information (ie, 1,800 won) 654.

In addition, when the user selects the voice call origination / incoming item 613 on the service-specific charge calculation selection screen 610, the screen displayed on the mobile communication terminal 200 is as shown in FIG. 6D.

That is, a screen 660 is provided for setting a specific period in order to inquire a fee for the voice call service that the user has made / incoming. Here, the period setting screen 660 includes a start period item 661 to be inquired and an end period item 662 to be inquired.

Accordingly, when the user sets a specific period in the start period item 661 and the end period item 662, a screen 670 is provided in which voice call origination / incoming rates are provided for the period set by the user. Here, the screen 670 provided with the voice call origination / incoming rate is provided for start period information (ie, January 13, 2009) 671, end period information (ie, January 15, 2009) 672, and origination. / Information on the received usage time (ie, origin: 1 hour 12 minutes, incoming: 2 hours 3 minutes) 673 and usage fee information (ie, 18,000 won) 674.

In addition, when the user selects the video call origination / incoming item 614 on the service-specific charge calculation selection screen 610, the screen displayed on the mobile communication terminal 200 is the same as FIG. 6E.

That is, a screen 680 for setting a specific period is provided in order to inquire a fee for the video call service that the user has made / incoming. Here, the period setting screen 680 includes a start period item 681 to be inquired and an end period item 682 to be inquired.

Accordingly, when a user sets a specific period in the start period item 681 and the end period item 682, a screen 690 is provided in which a video call origination / incoming fee is provided for the period set by the user. Here, the screen 690 provided with the video call origination / incoming rate includes the start period information (ie, January 13, 2009) 691, the end period information (ie, January 15, 2009) 692, and origination. / Information on the received usage time (ie, origin: 1 hour 12 minutes, incoming: 2 hours 3 minutes) 693 and usage fee information (ie, 20,000 won) 694.

In addition, when the user selects the data connection item 615 on the service-specific charge calculation selection screen 610, the screen displayed on the mobile communication terminal 200 is the same as FIG. 6F.

That is, a screen 710 for setting a specific period of time is provided in order to query the usage fee for the data service to which the user is connected. Here, the period setting screen 710 includes a start period item 711 to search and an end period item 712 to search.

Accordingly, when the user sets a specific period in the start period item 711 and the end period item 712, a screen 720 is provided in which a data connection fee for the period set by the user is provided. Here, the screen 720 provided with the data connection fee includes the start period information (ie, January 13, 2009) 721, the end period information (ie, January 15, 2009) 722, and the amount of data used to access the screen 720. Information (ie, 140,983 kb) 723 and usage fee information (ie, 123,000 won) 724.

On the other hand, when the user inquires the roaming service usage fee for each service, a specific period may not be set. In this case, the roaming service usage fee for each service is provided for the period of the roaming service that the user finally used.

Although embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. You will understand that. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

1 is a view showing a conventional international roaming system.

2 is a block diagram of a system for providing a roaming service fee according to an embodiment of the present invention.

3 is a diagram illustrating an apparatus for providing a roaming service fee according to an embodiment of the present invention.

4 is a diagram illustrating a method for providing a roaming service usage fee according to an embodiment of the present invention.

5A to 5F illustrate roaming service usage fees for each period provided on a screen of a device for providing a roaming service usage fee according to an embodiment of the present invention.

6A to 6F illustrate roaming service usage fees for each service provided on a screen of a device for providing a roaming service usage fee according to an embodiment of the present invention.

<Explanation of symbols on main parts of the drawings>

200: mobile communication terminal 220: roaming determination unit

230: check unit 240: charge calculation unit

250: storage unit 260: display unit

Claims (10)

A check unit for checking a type of roaming service usage fee selected from a user; A rate calculator configured to calculate a roaming service usage fee according to the type of the selected usage fee; And And a display unit configured to provide a roaming service usage fee selected from the calculated user. The method of claim 1, And a storage unit for classifying and storing the roaming service usage history used by the user by the roaming service usage fee type. 3. The method of claim 2, And the rate calculator calculates a roaming service usage fee selected by a user based on roaming rates for each country pre-stored in the storage unit and usage history stored according to the type. The method of claim 1, The apparatus for providing a roaming service fee, further comprising a communication unit for receiving information on the changed roaming rate from an external server. The method of claim 1, The roaming service usage fee is a device for providing a roaming service usage fee, which is one of a period-based fee and a service-specific fee. Checking a type of roaming service usage fee selected from a user; Calculating a roaming service usage fee according to the type of the selected usage fee; And Providing a selected roaming service usage fee from the calculated user. The method of claim 6, The roaming service usage history used by the user is classified and stored according to the roaming service usage fee type. The method of claim 7, wherein The roaming service usage fee according to the type of the selected usage fee is calculated based on the usage history classified and stored by the type and the roaming rate for each country which is stored in advance. The method of claim 6, The method for providing a roaming service fee, further comprising the step of receiving information about the changed roaming rate from the external server. The method of claim 6, The type of the roaming service usage fee is one of a period-based fee and a service-specific fee.

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