KR20100001069A - Method and telecommunication system for providing wired telephone service to mobile communication subscriber - Google Patents

Abstract

A landline telephone equipped with a Universal Subscriber Identification Module (USIM) card, which reads subscriber identification information from the USIM card and transmits a call setup request message including the subscriber identification information when a call origination is performed; When receiving a call setup request message from a landline telephone, the subscriber identification information included in the call setup request message is used to determine whether the caller is a mobile subscriber. If the subscriber is available, a communication system for providing a wireline telephone service to the mobile subscriber is included, including a wired switch that performs call processing according to a call setup request message. Accordingly, the mobile subscriber can use the wired telephone service using the USIM card even if the subscriber does not subscribe to the wired telephone service.

Description

METHOD AND TELECOMMUNICATION SYSTEM FOR PROVIDING WIRED TELEPHONE SERVICE TO MOBILE COMMUNICATION SUBSCRIBER}

The present invention relates to a method and a communication system for providing a wireline telephone service to a mobile subscriber, and more particularly, to a system and method for allowing a mobile subscriber to use a wireline telephone service through a wireline telephone using a USIM card; It relates to a landline telephone.

At present, WCDMA mobile communication services are being provided to users. WCDMA (Wideband Code Division Multiple Access) mobile communication service refers to a third generation mobile communication service that provides a high-quality video call, a high-speed data service, etc. based on a WCDMA system.

The Universal Subscriber Identification Module (USIM) card, which is basically installed in the mobile communication terminal to which the WCDMA system is applied, is an essential component for subscriber authentication in the WCDMA mobile communication service. This USIM card includes the International Mobile Subscriber Identity (IMEI), the Eletronic Serial Number (ESN), which is a unique number for mobile communication terminals, as well as carriers, user passwords, roaming information, and user-related information (personal phone numbers, phonebooks, hotkeys, restrictions). Key), service information of a telecommunications provider and a content provider, and the like.

Until recently, such a USIM card had a USIM lock. The USIM lock prevents the use of the WCDMA mobile communication service by not passing information stored in the USIM card to the terminal when the USIM card is not mounted in the predetermined terminal. In recent years, the USIM lock has been released, and the subscriber can use the WCDMA mobile communication service by attaching the USIM card to any terminal.

Accordingly, the user can use the WCDMA mobile communication service through any wireless terminal using the USIM card, but cannot use the wired telephone service. Background Art Conventionally, a communication system for one-phone service has been proposed in which one mobile terminal can use both a mobile communication service and a wired telephone service.

1 is a diagram illustrating a communication system for a conventional one-phone service.

Referring to FIG. 1, one-phone terminals 10 and 20 are connected to an access point (AP) 30. The one-phone terminals 10 and 20 generally communicate with the access point 30 through a Bluetooth communication scheme. The wired network 40 and the mobile communication network 60 are connected through a gateway exchange 50.

The one-phone terminals 10 and 20 are used as normal mobile communication terminals outside the communication area of the access point 30, for example, the Bluetooth area. When entering the Bluetooth area, the one-phone terminals 10 and 20 automatically or manually switch to the Bluetooth mode to access the access point ( 30) perform wireless communication with. Outgoing calls of the one-phone terminals 10 and 20 are directed to the wired network 40 through the access point 30. In this case, the user of the one-phone terminal is subscribed to the wired telephone service, and accordingly, when the one-phone terminals 10 and 20 make a call to the wired network 40 through the access point 30, the call includes the wired subscriber information. Create an arc.

The outgoing signal is transmitted to a wired terminal (not shown) or a wireless terminal 70 through the wired network 40 or the mobile communication network 60 according to the environment of the called party. As such, the existing one-phone service allows a user to use a wired telephone service through one wireless terminal.

However, the user should be subscribed to not only mobile communication network service but also wired telephone service, and should have an access point for one-phone service. Since this access point terminal is very expensive, there is a disadvantage that the user takes a lot of cost to use the one-phone service.

Therefore, if a user can use a landline phone service using a USIM card, the user's convenience will be increased since a user can use a landline phone service as well as a mobile communication service using a single USIM card.

An object of the present invention for solving the above problems is to provide a method and communication system that allows a user to use a wireline telephone service as well as a mobile communication service using a USIM card.

A communication system according to an aspect of the present invention for achieving the above object is equipped with a Universal Subscriber Identification Module (USIM) card, and reads the subscriber identification information from the USIM card when the call origination is performed, A landline telephone that transmits a call setup request message including identification information and a subscriber setup information included in the call setup request message when the call setup request message is received from the landline telephone to determine whether the caller is a mobile subscriber; If the caller is a mobile communication subscriber, if the mobile communication subscriber is a subscriber who can use a wireline telephone service, and includes a wired switch to perform a call processing according to the call setup request message.

Herein, when the communication system receives the mobile subscriber's information from the wired switch, the communication system requests authentication of the mobile subscriber to the mobile switching center of the mobile communication network, and the mobile subscriber reads the wired telephone based on the authentication result. It further comprises a service server for determining whether the service is available to the subscriber and transmits the information of the mobile subscriber to the wired switch.

Here, the wired switch may transmit the charging information according to the call processing to the service server after performing the call processing.

Here, the service server may include a database for storing information of the mobile communication subscribers who can use the wireline telephone service and the billing information thereof.

Here, when a specific service is provided that enables the mobile subscriber to use a wireline telephone service, the service server determines whether the mobile subscriber has registered with the specific service, thereby allowing the mobile subscriber to use the wireline telephone service. It can be determined whether the subscriber can be.

According to another aspect of the present invention, there is provided a method for providing a wireline telephone service to a mobile subscriber, the wireline to which a Universal Subscriber Identification Module (USIM) card can be mounted. In a communication system including a telephone, a wired switch, and a service server, when the call origination is performed while the landline telephone is equipped with the USIM card, the subscriber identification information is read from the USIM card and the call setup including the subscriber identification information is established. Transmitting a request message; determining whether the caller is a mobile subscriber by using subscriber identification information included in the call setup request message when the wired switch receives the call setup request message from the landline telephone; If the wired exchange is the caller the mobile subscriber If the mobile communication subscriber is a subscriber who can use a wired telephone service, performing call processing according to a call establishment request message.

The method for providing a wireline telephone service to the mobile subscriber may include requesting authentication of the mobile communication subscriber to a mobile switching center of a mobile communication network when the service server receives the mobile communication subscriber's information from the wired switch. And determining, by the service server, whether the mobile communication subscriber can use a wireline telephone service based on a result of the authentication, and transmitting information of the mobile communication subscriber to the wired switch. have.

The method for providing a wireline telephone service to the mobile subscriber may further include transmitting, by the wireline exchange, billing information according to the call processing to the service server after performing the call processing.

Here, the method for providing a wireline telephone service to the mobile subscriber is, when a specific service is provided to enable the mobile subscriber to use a wireline telephone service, the service server registers the mobile subscriber with the specific service The method may further include determining whether the mobile communication subscriber is a subscriber who can use a landline telephone service.

When using a communication system and method for providing a landline telephone service to the mobile subscriber according to the present invention as described above, a mobile subscriber can use a landline telephone service using a USIM card even if the subscriber does not subscribe to a landline telephone service. have.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the drawings, similar reference numerals are used for similar elements.

Terms such as first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. The term and / or includes a combination of a plurality of related items or any item of a plurality of related items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

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

2 is a diagram illustrating a communication system according to the present invention.

Referring to FIG. 2, according to the present invention, the USIM card 2 may be mounted on the wireless terminal 110 and may also be mounted on the wired telephone 120. When the user wants to use the wired telephone service, the user inserts the USIM card into the wired telephone 120, and when the user wants to use the mobile communication service, the user inserts the USIM card into the wireless terminal 110. Since the user inserts the USIM card 2 into the wireless terminal 110 and uses a mobile communication service, a description thereof will be omitted.

According to the present invention, the user can insert the USIM card 2 into the wired telephone 120 to use a wired telephone service through the wired switch 130. In this case, even if the user of the USIM card 2 has not subscribed to the wireline telephone service, the wireline telephone service can be used. Accordingly, the mobile subscriber can use the wired telephone service using the USIM card even if the subscriber does not subscribe to the wired telephone service. In addition, the mobile subscriber can use the communication service at a lower price than using the mobile communication network by using a wired network.

The wired telephone 120 is connected to the wired switch 130 of the wired network 132, and the wired switch 120 is connected to the mobile communication network 162 through the gateway exchange 150. When the call is sent from the wired network to the mobile communication network 162, the gateway exchange 50 collects the location information of the called subscriber from the home location register of the mobile communication network and requests a direct call connection to the mobile switching center where the called subscriber is located. Perform. Mobile communication network 162 includes mobile switching center 160. The wired network 132 and the mobile communication network 162 are connected to the service server 140.

After the user inserts the USIM card 2 into the wired telephone 120, and then calls a predetermined called party, the wired telephone 120 receives subscriber identification information such as IMEI (International Mobile Subscriber Identity) from the USIM card 20. Extract The wired telephone 120 generates a call setup request message including the extracted subscriber identification information such as IMEI and transmits it to the wired switch 130 of the wired network 132.

When the wired switch 130 receives the call setup request message from the wired telephone 120, the wired switch 130 checks the call setup request message and determines whether the caller is a mobile subscriber using the subscriber identification information included in the call setup request message. If the caller is a mobile subscriber, the wired switch 130 requests subscriber information to the service server 140 to determine whether the caller is a subscriber who can use the wireline telephone service.

For example, according to the present invention, a mobile subscriber can use a wired telephone service as long as he is a legitimate mobile subscriber. As another example, according to the present invention, a specific service may be provided in which a mobile subscriber can use a wired telephone service, and the mobile subscriber can use the USIM card 2 only to subscribe to the wireline telephone service. Can be used.

Therefore, the wired switch 130 should confirm whether it is a legitimate mobile communication subscriber. Or, if the mobile subscriber needs to subscribe to a specific service in order to use the wireline telephone service, the wired switch 130 must confirm whether the caller has registered for the specific service. To this end, the wired switch 130 requests the information of the corresponding mobile communication subscriber to the service server 140. Thereafter, the wired switch 130 processes the outgoing call from the mobile subscriber according to the subscriber information indicating whether the mobile subscriber can receive the wireline telephone service.

If the mobile subscriber can be provided with a wired telephone service, the wired switch 130 processes the call setup request message according to a general call processing procedure. In addition, the wired switch 130 transmits the charging information generated as the mobile communication subscriber uses the wired telephone service to the service server 140. In addition, if the mobile subscriber is a subscriber who cannot be provided with a wired telephone service, the wired switch 130 ends the call processing and transmits a signal indicating the end of the call processing to the wired telephone 120.

When the service server 14 receives the mobile communication subscriber's information from the wired switch 130, the service server 14 requests the subscriber authentication to the mobile switching center 160. Subscriber authentication, which determines whether the mobile subscriber is a legitimate subscriber, is performed by the mobile switching center 160. The service server 140 determines whether the mobile communication subscriber can receive the wireline telephone service according to the authentication result of the mobile communication subscriber transmitted from the mobile switching center 160.

According to another embodiment, when a specific service is provided that enables a mobile subscriber to use a wired telephone service, the service server 140 has information indicating whether the mobile subscriber has registered for the specific service. In this case, the service server 140 determines whether the mobile communication subscriber has registered for the specific service.

Then, the service server 140 transmits subscriber information indicating whether the mobile communication subscriber can receive the wireline telephone service to the wired switch 130 according to the subscriber authentication result transmitted from the mobile switching center 160.

The service server 140 includes a subscriber database 142 to manage this subscriber information. The subscriber database 142 stores subscriber information, for example, information related to the use of wired services and billing information. In the future, when a communication fee is charged for a mobile communication subscriber using a wireline telephone service, the service server 140 may provide charging information for the mobile communication subscriber to a mobile communication subscriber.

When the mobile switching center 160 receives the subscriber authentication request from the service server 140, the mobile switching center 160 performs authentication of the corresponding mobile communication subscriber. Although not shown, the mobile switching center 160 includes a home location register (HLR), which stores information for authenticating the subscriber. Specifically, the home location register manages the information (location information, authentication information, service information, authority and additional information) of the mobile subscriber in real time. The mobile switching center 160 performs the subscriber authentication requested from the service server 14 via the home location register.

The mobile switching center 160 performs subscriber authentication and then provides the subscriber authentication result to the service server 140.

3 is a message flow diagram illustrating a method for providing a wireline telephone service to a mobile subscriber according to a preferred embodiment of the present invention.

Referring to FIG. 3, when the user inserts the USIM card 2 into the wired telephone 120 and then makes a call to a predetermined called party, the wired telephone 120 receives subscriber identification information from the USIM card 20 in step 202. Extracts the call establishment request message including the extracted subscriber identification information to the wired switch 130.

When the wired switch 130 receives the call setup request message from the wired telephone 120, the wired switch 130 checks the call setup request message in step 204 and determines whether the caller is a mobile subscriber using the subscriber identification information included in the call setup request message. do. If the caller is a mobile subscriber, the wired switch 130 requests the subscriber information from the service server 140 to determine whether the caller is a subscriber who can use the wireline telephone service in step 206.

When the service server 14 receives the mobile communication subscriber's information from the wired switch 130, it requests the subscriber authentication to the mobile switching center 160 in step 208. Subscriber authentication, which determines whether the mobile subscriber is a legitimate subscriber, is performed by the mobile switching center 160 in step 210.

The mobile switching center 160 provides the subscriber authentication result to the service server 140 in step 212 after performing subscriber authentication. The service server 140 determines whether the mobile line subscriber can receive the wireline telephone service according to the authentication result of the mobile communication subscriber who is the caller.

If a specific service is provided in which a mobile communication subscriber can use a wired telephone service, the service server 140 has information indicating whether the mobile communication subscriber has registered with the specific service. In this case, the service server 140 determines whether the mobile communication subscriber has registered for the specific service.

The service server 140 transmits subscriber information to the wired switch 130 indicating whether the corresponding mobile communication subscriber can be provided with the wired telephone service according to the subscriber authentication result transmitted from the mobile switching center 160 in step 214.

The wired switch 130 processes the outgoing call from the mobile subscriber in accordance with the subscriber information transmitted from the service server 140 in step 216. If the mobile subscriber can be provided with a wired telephone service, the wired switch 130 processes the call setup request message according to a general call processing procedure.

Subsequently, the wired switch 130 transmits the charging information generated as a mobile subscriber to the service server 140 in step 218. Accordingly, the service server 220 stores the charging information received in step 220 for each subscriber.

4 is a flowchart illustrating the operation of a wired exchange according to an embodiment of the present invention.

Referring to FIG. 4, the wired switch 130 determines whether a call establishment request message is received from the wired telephone 120 in step 302. When the wired switch 130 receives the call setup request message from the telephone 120, the call exchanger 130 checks the call setup request message in step 304 and uses the subscriber identification information included in the call setup request message in step 306 to determine whether the caller is a mobile subscriber. Determine the cognition.

If the originator is a wired subscriber, the wired switch 130 proceeds to step 310 to operate according to the existing call processing process.

And if the caller is a mobile subscriber, the wired switch 130 requests the subscriber information from the service server 140 to determine whether the caller is a subscriber who can use the wired telephone service in step 308.

As described above, the mobile subscriber can use the wireline telephone service as long as he is a legitimate mobile subscriber. Alternatively, a specific service may be provided that allows a mobile communication subscriber to use a wired telephone service, and the mobile communication subscriber may use the wired telephone service using the USIM card 2 only when subscribing to this specific service.

Therefore, the wired switch 130 should confirm whether it is a legitimate mobile communication subscriber. Or, if the mobile subscriber must subscribe to a specific service in order to use the wireline telephone service, the wired switch 130 must confirm whether the caller has registered for the specific service. To this end, the wired switch 130 requests the information of the corresponding mobile communication subscriber to the service server 140.

Thereafter, the wired switch 130 receives the subscriber information transmitted from the service server 140 in step 312, and determines whether the subscriber authentication is valid based on the subscriber information received in step 314. In other words, since the subscriber information indicates whether the mobile subscriber is a legitimate subscriber, the wired switch 130 determines whether the mobile subscriber can provide the wired telephone service based on the subscriber information.

If the mobile subscriber can be provided with a wired telephone service, the wired switch 130 performs the call processing in step 316 and transmits the billing data for using the wired telephone service to the service server in step 320.

If the mobile subscriber is not a legitimate mobile subscriber or has not registered for a particular service that allows the mobile subscriber to use the wireline telephone service, then the wired switch 130 ends the call processing in step 318.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

1 is a diagram illustrating a communication system for a conventional one-phone service.

2 is a view showing a communication system for providing a wireline telephone service to a mobile subscriber according to the present invention.

3 is a message flow diagram illustrating a method for providing a wireline telephone service to a mobile subscriber according to a preferred embodiment of the present invention.

4 is a flowchart illustrating the operation of a wired exchange according to an embodiment of the present invention.

Claims (9)

A landline telephone equipped with a Universal Subscriber Identification Module (USIM) card, which reads subscriber identification information from the USIM card and transmits a call setup request message including the subscriber identification information when a call origination is performed; When the call setup request message is received from the landline telephone, the subscriber identification information included in the call setup request message is used to determine whether the caller is a mobile subscriber, and when the caller is a mobile subscriber, the mobile subscriber is a landline telephone service. And a wired switch configured to perform call processing according to a call setup request message if the subscriber is available. The mobile telephone subscriber service of claim 1, wherein the mobile communication subscriber requests authentication of the mobile communication subscriber to the mobile switching center of the mobile communication network when receiving the information of the mobile communication subscriber from the wired switch. And a service server for determining whether a subscriber is available and transmitting information of the mobile subscriber to the wired switch. The communication system according to claim 2, wherein the wired exchange transmits the charging information according to the call processing to the service server after performing the call processing. 4. The communication system according to claim 3, wherein the service server includes a database storing information on mobile communication subscribers who can use the wireline telephone service and billing information thereof. 3. The landline telephone of claim 2, wherein when a specific service is provided to enable the mobile subscriber to use a wireline telephone service, the service server determines whether the mobile subscriber has registered for the specific service. And determining whether the subscriber can use the service. What is claimed is: 1. A method for providing wireline telephone service to a mobile subscriber in a communication system including a landline telephone, a wireline switch, and a service server to which a Universal Subscriber Identification Module (USIM) card may be mounted. Reading the subscriber identification information from the USIM card and transmitting a call setup request message including the subscriber identification information when the call origination is performed while the landline telephone is equipped with the USIM card; Determining whether the caller is a mobile communication subscriber by using the subscriber identification information included in the call establishment request message when the landline exchange receives the call establishment request message from the landline telephone; And performing a call processing according to a call setup request message if the mobile communication subscriber is a subscriber who can use a wired telephone service when the caller is a mobile communication subscriber. How to provide phone service. The method of claim 1, wherein when the service server receives the mobile communication subscriber's information from the wired switch, requesting authentication of the mobile communication subscriber to the mobile switching center of the mobile communication network; Determining, by the service server, whether the mobile communication subscriber is a subscriber who can use a wireline telephone service based on a result of the authentication, and transmitting information of the mobile communication subscriber to the wired switch. A method of providing landline telephone service to a mobile subscriber. 8. The method of claim 7, further comprising the step of transmitting the billing information according to the call processing to the service server after the wired exchange performs the call processing. Way. 8. The landline telephone according to claim 7, wherein when a specific service is provided in which the mobile subscriber can use a landline telephone service, the service server determines whether the mobile subscriber has registered for the specific service. And determining whether the subscriber is available to the service.

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