KR101449756B1 - Method and telecommunication system for providing wired telephone service to mobile communication subscriber - Google Patents

Method and telecommunication system for providing wired telephone service to mobile communication subscriber Download PDF

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Publication number
KR101449756B1
KR101449756B1 KR20080060825A KR20080060825A KR101449756B1 KR 101449756 B1 KR101449756 B1 KR 101449756B1 KR 20080060825 A KR20080060825 A KR 20080060825A KR 20080060825 A KR20080060825 A KR 20080060825A KR 101449756 B1 KR101449756 B1 KR 101449756B1
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KR
South Korea
Prior art keywords
subscriber
mobile communication
service
wired
communication subscriber
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KR20080060825A
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Korean (ko)
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KR20100001069A (en
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정윤형
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주식회사 케이티
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Priority to KR20080060825A priority Critical patent/KR101449756B1/en
Publication of KR20100001069A publication Critical patent/KR20100001069A/en
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Publication of KR101449756B1 publication Critical patent/KR101449756B1/en

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Abstract

A wired telephone which is equipped with a universal subscriber identification module (USIM) card, reads subscriber identification information from the USIM card when call origination is performed, and transmits a call setup request message including the subscriber identification information; When the call setup request message is received from the fixed telephone, it is determined whether the caller is a mobile communication subscriber by using the subscriber identification information included in the call setup request message. If the caller is a mobile communication subscriber, And a wired exchange for performing call processing according to a call setup request message if the subscriber is available, thereby constituting a communication system for providing a wired telephone service to the mobile communication subscriber. Accordingly, the mobile communication subscriber can use the wired telephone service using the USIM card even when the subscriber does not subscribe to the wired telephone service.

Mobile communication subscriber, fixed telephone service

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method and a communication system for providing a wired telephone service to a mobile communication subscriber,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and a communication system for providing a fixed line telephone service to a mobile communication subscriber, and more particularly, to a system and method for allowing a mobile communication subscriber to use a fixed line telephone service using a USIM card, To a wired telephone.

Currently, WCDMA mobile communication services are being provided to users. WCDMA (Wideband Code Division Multiple Access) mobile communication service refers to 3G mobile communication service that provides high quality video call and high speed data service based on WCDMA system.

A Universal Subscriber Identification Module (USIM) card, which is basically installed in a mobile communication terminal to which the WCDMA system is applied, is an essential component responsible for subscriber authentication in a WCDMA mobile communication service. The USIM card includes an International Mobile Subscriber Identity (IMEI), an electronic serial number (ESN), which is a unique number of a mobile communication terminal, a communication service provider, a user password, roaming information, user related information (personal telephone number, phonebook, Key), service information of a communication provider and a content provider, and the like.

Until recently, these USIM cards had a USIM lock. The USIM lock prevents the use of the WCDMA mobile communication service by not passing the information stored in the USIM card to the terminal when the USIM card is not installed in the predetermined terminal. Recently, the USIM lock is released and the subscriber can use the USIM card in any terminal to use the WCDMA mobile communication service.

Accordingly, the user can use the USIM card to use the WCDMA mobile communication service through any wireless terminal, but can not use the wired telephone service. Conventionally, a communication system for a one-phone service has been proposed in which a mobile communication service and a wired telephone service can all be utilized through one wireless terminal.

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

Referring to FIG. 1, the 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 method. The wired network 40 and the mobile communication network 60 are connected through a gateway exchanger 50.

The one-phone terminals 10 and 20 are used as ordinary mobile communication terminals outside the communication area of the access point 30, for example, the Bluetooth area, and when they enter the Bluetooth area, they switch to the Bluetooth mode automatically or manually, 30). The 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 fixed-line telephone service. Accordingly, when the one-phone terminal 10 or 20 transmits a call to the wired network 40 through the access point 30, And generates a call.

The outgoing call is transmitted to a wired terminal (not shown) or the wireless terminal 70 through the wired network 40 or the mobile communication network 60 depending on the environment of the called party. In this way, the existing OnePhone service allows a user to use a wired telephone service through one wireless terminal.

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

Therefore, if the user can use the landline telephone service by using the USIM card, the user can use the landline telephone service as well as the mobile communication service by using one USIM card.

An object of the present invention is to provide a method and a communication system for allowing a user to use a wired telephone service as well as a mobile communication service using a USIM card.

According to an aspect of the present invention, there is provided a communication system including a universal subscriber identification module (USIM) card, the subscriber identification information being read from the USIM card when call origination is performed, The mobile communication terminal of claim 1, wherein the call setup request message includes a call setup request message including identification information, and a call setup request message, the call setup request message including a subscriber identification information included in the call setup request message, And a wired exchange for performing call processing according to a call setup request message when the caller is a mobile communication subscriber and the mobile communication subscriber is a subscriber who can use a wired telephone service.

Here, when the communication system receives the information of the mobile communication subscriber from the wired exchange, the mobile communication subscriber requests authentication of the mobile communication subscriber to the mobile switching center of the mobile communication network, and based on the authentication result, And a service server for determining whether the subscriber is a subscriber who can use the service and transmitting the information of the subscriber to the wired exchange.

Here, the wired exchange 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 on mobile communication subscribers who can use the wired telephone service and the billing information.

Here, if the mobile communication subscriber is provided with a specific service that allows the mobile communication subscriber to use the fixed-line telephone service, the service server determines whether the mobile communication subscriber has registered the specific service so that the mobile communication subscriber uses the fixed- It is possible to determine whether the subscriber is a subscriber.

According to another aspect of the present invention, there is provided a method of providing a landline telephone service to a subscriber of a mobile communication terminal, the method comprising the steps of: providing a wired telephone service to which a universal subscriber identification module (USIM) In a communication system including a telephone, a wired exchange, and a service server, when the call is performed in the state that the USIM card is installed in the wired telephone, the wired telephone reads the subscriber identification information from the USIM card, When the wired exchange receives the call setup request message from the wired telephone, determining whether the caller is a mobile communication subscriber using the subscriber identification information included in the call setup request message; If the wired exchange is the mobile communication subscriber of the originator, And performing call processing according to the call setup request message if the communication subscriber is a subscriber who can use the wire telephone service.

Herein, the method of providing a wireline telephone service to the mobile communication subscriber includes the steps of: requesting authentication of the mobile communication subscriber to the mobile switching center of the mobile communication network when the service server receives the information of the mobile communication subscriber from the wired exchange; Determining whether the mobile communication subscriber is a subscriber who can use the wired telephone service based on a result of the authentication and transmitting the information of the mobile communication subscriber to the wired exchange; have.

Here, the method for providing a wire telephone service to the mobile communication subscriber may further include transmitting billing information corresponding to the call processing to the service server after the wired exchange performs the call processing.

Here, the method of providing a wireline telephone service to the mobile communication subscriber may include: when a specific service is provided so that the mobile communication subscriber can use the wireline telephone service, the service server registers the mobile communication subscriber to the specific service Determining whether the mobile communication subscriber is a subscriber who can use the landline telephone service by judging whether the subscriber is a subscriber or not.

Using the communication system and method for providing a wired telephone service to the mobile communication subscriber according to the present invention, the mobile communication subscriber can use the wired telephone service using the USIM card even when the subscriber does not subscribe to the wired telephone service have.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing.

The terms first, second, A, B, etc. may be used to describe various elements, but the elements 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 a second component, and similarly, the second component may also be referred to as a first component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations 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 to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

Hereinafter, preferred embodiments according to 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.

2, the USIM card 2 may be mounted on the wireless terminal 110 and may be mounted on the wired telephone 120 according to the present invention. The user inserts the USIM card into the wired telephone 120 to use the wired telephone service and inserts the USIM card into the wireless terminal 110 when using the mobile communication service. Since the user inserts the USIM card 2 into the wireless terminal 110 and uses the mobile communication service, it is a known technology, and a description thereof will be omitted.

In accordance with the present invention, a user may insert a USIM card 2 into a wired telephone 120 and use the wired telephone service through the wired exchange 130. [ In this case, even when the user of the USIM card 2 does not subscribe to the fixed-line telephone service, the fixed-line telephone service can be used. Accordingly, the mobile communication subscriber can use the wired telephone service using the USIM card even when the subscriber does not subscribe to the wired telephone service. Further, the mobile communication subscriber can use the communication service at a lower price than the mobile communication network by using the wired network.

The wired telephone set 120 is connected to the wired exchanger 130 of the wired network 132 and the wired exchanger 120 is connected to the mobile communication network 162 via the gateway exchanger 150. When the call is originated from the wired network to the mobile communication network 162, the gateway exchange 50 collects the location information of the called subscriber in the home location register of the mobile communication network and requests the call connection directly to the mobile switching center where the called subscriber is located . The mobile communication network 162 includes a mobile switching center 160. The wired network 132 and the mobile communication network 162 are connected to the service server 140.

When the user inserts the USIM card 2 into the wired telephone 120 and then makes a call to a predetermined recipient, the wired telephone 120 receives subscriber identification information such as International Mobile Subscriber Identity (IMEI) . Then, the wired telephone 120 generates a call setup request message including subscriber identification information such as the extracted IMEI and transmits the message to the wired exchange 130 of the wired network 132.

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

For example, according to the present invention, a mobile communication subscriber can use a landline telephone service only if he or she is a legitimate mobile communication subscriber. As another example, according to the present invention, a specific service can be provided such that the mobile communication subscriber can use the fixed telephone service, and the mobile communication subscriber can use the USIM card 2 only when he / Can be used.

Therefore, the wired exchange 130 should confirm whether it is a legitimate mobile communication subscriber. Alternatively, if the mobile communication subscriber needs to subscribe to a specific service to use the fixed telephone service, the wired exchange 130 should check whether the corresponding subscriber has registered with the specific service. For this, the wired exchange 130 requests information of the corresponding mobile communication subscriber to the service server 140. Thereafter, the wired exchange 130 processes the outgoing call from the mobile communication subscriber according to the subscriber information indicating whether the mobile communication subscriber can receive the wired telephone service.

If the mobile communication subscriber can receive the wire telephone service, the wired exchange 130 processes the corresponding call setup request message according to the general call processing procedure. The wired exchange 130 transmits charging information generated by the mobile communication subscriber using the wire telephone service to the service server 140. If the mobile communication subscriber is a subscriber who can not receive the wired telephone service, the wired exchange 130 terminates the call processing and transmits a signal indicating termination of the call processing to the wired telephone 120. [

When the service server 14 receives the information of the mobile communication subscriber from the wired exchange 130, the service server 14 requests the mobile switching center 160 to perform subscriber authentication. The subscriber authentication for determining whether the mobile communication subscriber is a legitimate subscriber is performed by the mobile switching center 160. [ The service server 140 determines whether the corresponding mobile communication subscriber can receive the wired 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 so that a mobile communication subscriber can use a wire telephone service, the service server 140 has information indicating whether or not 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 with the specific service.

The service server 140 transmits subscriber information indicating whether the mobile communication subscriber can receive the wire telephone service to the wired exchange 130 according to the subscriber authentication result transmitted from the mobile switching center 160.

The service server 140 includes a subscriber database 142 for managing such subscriber information. The subscriber database 142 stores subscriber-specific subscriber information, for example, information related to use of the wireline service and billing information corresponding thereto. When the communication fee is charged to the mobile communication subscriber using the cable telephone service in the future, the service server 140 may provide charging information for the mobile communication subscriber to the communication carrier charging the mobile communication subscriber.

Upon receiving the subscriber authentication request from the service server 140, the mobile switching center 160 performs authentication of the corresponding mobile communication subscriber. The mobile switching center 160 includes a Home Location Register (HLR), not shown, in which information to authenticate the mobile subscriber is stored. Specifically, the home location register manages information (location information, authentication information, service information, authority, and additional information) of the mobile communication subscriber in real time. The mobile switching center 160 performs the requested subscriber authentication from the service server 14 via the home location register.

The mobile switching center 160 performs the subscriber authentication and 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 communication subscriber according to a preferred embodiment of the present invention.

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 transmits, from the USIM card 20 in step 202, And transmits a call setup request message including the extracted subscriber identification information to the wireline switching center 130. [

Upon receiving the call setup request message from the wired telephone 120, the wired exchange 130 confirms the call setup request message in step 204 and determines whether the caller is a mobile communication subscriber using the subscriber identification information included in the call setup request message do. If the caller is a mobile communication subscriber, the wired exchange 130 requests subscriber information from the service server 140 to determine whether the caller is a subscriber who can use the wired telephone service in step 206.

When the service server 14 receives the information of the mobile communication subscriber from the wired exchange 130, the service server 14 requests the subscriber authentication from the mobile switching center 160 in step 208. Subscriber authentication to determine if the mobile is a legitimate subscriber is performed by the mobile switching center 160 at step 210. [

After the mobile switching center 160 performs the subscriber authentication, the subscriber authentication result is provided to the service server 140 in step 212. The service server 140 determines whether the corresponding mobile communication subscriber can receive the wired telephone service according to the authentication result of the mobile communication subscriber as a sender.

If the mobile communication subscriber is provided with a specific service enabling the use of the wire telephone service, the service server 140 has information indicating whether or not the mobile communication subscriber has registered the specific service. In this case, the service server 140 determines whether the mobile communication subscriber has registered with the specific service.

In step 214, the service server 140 transmits subscriber information to the wired exchange 130 indicating whether the mobile communication subscriber can receive the wired telephone service according to the subscriber authentication result transmitted from the mobile switching center 160.

The wired exchange 130 processes the outgoing call from the mobile communication subscriber according to the subscriber information transmitted from the service server 140 in step 216. [ If the mobile communication subscriber can receive the wire telephone service, the wired exchange 130 processes the corresponding call setup request message according to the general call processing procedure.

Then, in step 218, the wireline switching center 130 transmits charging information generated by the mobile communication subscriber using the wireline telephone service to the service server 140. Accordingly, the service server 220 stores the charging information received in step 220 for each subscriber.

4 is a flowchart illustrating an operation of a wireline switching system according to an embodiment of the present invention.

Referring to FIG. 4, the wired exchanger 130 determines whether the call setup request message is received from the wired telephone 120 in step 302. When the wired exchange 130 receives the call setup request message from the telephone set 120, the wired exchange 130 checks the call setup request message in step 304. In step 306, the wired exchange 130 transmits, using the subscriber identification information included in the call setup request message, .

If the caller is a wired subscriber, the wired exchange 130 proceeds to step 310 and operates according to the existing call processing process.

If the sender is a mobile communication subscriber, the wired exchange 130 requests subscriber information from the service server 140 in step 308 to determine whether the caller is a subscriber who can use the wired telephone service.

As described above, the mobile communication subscriber can use the fixed line telephone service only if he or she is a legitimate mobile communication subscriber. Or a specific service that enables the mobile communication subscriber to use the landline telephone service can be provided and the mobile communication subscriber can use the landline telephone service using the USIM card 2 only when he / she subscribes to the specific service.

Therefore, the wired exchange 130 should confirm whether it is a legitimate mobile communication subscriber. Alternatively, if the mobile communication subscriber needs to subscribe to a specific service to use the fixed-line telephone service, the wired exchange 130 should check whether the corresponding subscriber has registered with the specific service. For this, the wired exchange 130 requests information of the corresponding mobile communication subscriber to the service server 140.

The wired exchange 130 then 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 that the mobile communication subscriber is a legitimate subscriber, the wired exchange 130 determines whether it is possible to provide a wired telephone service to the mobile communication subscriber based on the subscriber information.

If the mobile communication subscriber can receive the wired telephone service, the wired exchange 130 performs the corresponding call processing in step 316 and transmits the charging data in accordance with the wired telephone service usage to the service server in step 320.

If the mobile communication subscriber is not a legitimate mobile communication subscriber or the mobile communication subscriber has not registered with a specific service that allows the subscriber to use the fixed telephone service, the wired exchange 130 ends the call processing in step 318. [

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the following claims It can be understood that

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

2 is a diagram illustrating a communication system for providing a wired telephone service to a mobile communication subscriber according to the present invention.

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

4 is a flowchart illustrating an operation of a wireline switching system according to an embodiment of the present invention.

Claims (9)

A wired telephone equipped with a universal subscriber identification module (USIM) card, reading subscriber identification information from the USIM card when call origination is performed, and transmitting a call setup request message including the subscriber identification information; When the call setup request message is received from the wired telephone, it is determined whether the caller is a mobile communication subscriber by using the subscriber identification information included in the call setup request message. If the caller is a mobile communication subscriber, And a wired exchange for performing call processing according to a call setup request message if the subscriber can use the call setup request message. 2. The method of claim 1, further comprising: requesting authentication of the mobile communication subscriber to a mobile switching center of the mobile communication network upon receipt of the information of the mobile communication subscriber from the wireline switching center; And a service server for transmitting the information of the mobile communication subscriber to the wireline switching center. 3. The communication system according to claim 2, wherein the wireline switching center transmits the charging information according to the call processing to the service server after performing the call processing. The communication system according to claim 3, wherein the service server comprises a database for storing information on mobile communication subscribers who can use the wired telephone service and billing information thereof. 3. The method of claim 2, wherein, when the mobile communication subscriber is provided with a specific service that enables the mobile communication subscriber to use the fixed telephone service, the service server determines whether the mobile communication subscriber has registered the specific service, And determines whether the subscriber is a subscriber who can use the service. In a communication system including a wired telephone which can be equipped with a universal subscriber identification module (USIM) card, a wired exchange and a service server corresponding to the information request of the mobile communication subscriber from the wired exchange, A method of providing a landline telephone service, Reading the subscriber identification information from the USIM card and transmitting a call setup request message including the subscriber identification information when call origination is performed in a state in which the USIM card is installed in the wired telephone; When the wired exchange receives a call setup request message from the wired telephone, determining whether the caller is a mobile communication subscriber using the subscriber identification information included in the call setup request message; If the mobile communication subscriber is a subscriber who can use a wired telephone service, performing call processing according to a call setup request message when the mobile communication subscriber is a mobile communication subscriber when the caller is a mobile communication subscriber. How to provide telephone service. 7. The method of claim 6, further comprising: requesting authentication of the mobile communication subscriber to a mobile switching center of the mobile communication network when the service server receives the information of the mobile communication subscriber from the wired exchange; Determining whether the mobile communication subscriber is a subscriber who can use the wired telephone service based on a result of the authentication and transmitting the information of the mobile communication subscriber to the wired exchange; A method of providing a landline telephone service to a mobile communication subscriber. The method as claimed in claim 7, further comprising the step of transferring charging information according to the call processing to the service server after the wired exchange performs the call processing. Way. The method of claim 7, further comprising: if the mobile communication subscriber is provided with a specific service that allows the mobile communication subscriber to use the fixed telephone service, the service server determines whether the mobile communication subscriber has registered the specific service, And determining whether the subscriber is a subscriber who can use the service.
KR20080060825A 2008-06-26 2008-06-26 Method and telecommunication system for providing wired telephone service to mobile communication subscriber KR101449756B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020026901A (en) * 2002-02-18 2002-04-12 최광규 The movable wire telephone system & communication a method
KR20080002430A (en) * 2006-06-30 2008-01-04 주식회사 케이티 Fixed and mobile convergence voice service system and method using pstn and wibro/wlan

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020026901A (en) * 2002-02-18 2002-04-12 최광규 The movable wire telephone system & communication a method
KR20080002430A (en) * 2006-06-30 2008-01-04 주식회사 케이티 Fixed and mobile convergence voice service system and method using pstn and wibro/wlan

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