KR101219803B1

KR101219803B1 - System and method for connecting communication in international roaming service

Info

Publication number: KR101219803B1
Application number: KR1020080086982A
Authority: KR
Inventors: 권오찬
Original assignee: 에스케이텔레콤 주식회사
Priority date: 2008-09-03
Filing date: 2008-09-03
Publication date: 2013-01-09
Also published as: KR20100027890A

Abstract

The present invention discloses a call connection system and method in an international roaming service. A call connection system in an international roaming service according to the present invention is based on receiving a home location register and routing information for receiving routing information for a called terminal device from an incoming communication network in response to an incoming call request based on international roaming. And a visual information guide server for transmitting the callable visual information corresponding to the called terminal to the calling terminal in response to the request for the incoming call. Therefore, the present invention can easily determine the time when the caller and the caller can be made without an effort to search for other information, and in case of an emergency, the caller can skip the process for guiding the caller to the caller to execute the incoming / outgoing call connection. A call connection service corresponding to a situation may be provided.

Roaming, visual

Description

SYSTEM AND METHOD FOR CONNECTING COMMUNICATION IN INTERNATIONAL ROAMING SERVICE}

The present invention relates to an international roaming service, and more particularly, to a local time or a destination of a region where a called party is currently located (for example, a country or a detailed area within a country) without a caller making an effort to search for additional information when using an international call. The present invention relates to a call connection method in an international roaming service for guiding a caller with a set available call time.

In general, as computers, electronics, and communication technologies have advanced rapidly, various mobile communication services using mobile communication networks have been provided. The most basic mobile communication service is a call service that guarantees mobility by providing a voice call wirelessly to users of mobile communication terminal devices, which can provide a service regardless of time and place.

In recent years, a wireless Internet service that provides an Internet communication service to a user of a mobile communication terminal through a mobile communication network has emerged. Accordingly, subscribers of mobile communication services can freely move and talk with the other party anytime, anywhere using the guaranteed mobility of mobile communication services, and various information necessary for life (for example, news, weather, Sports, securities, exchange rates, or traffic information) may be provided in various forms such as text, voice, or images.

On the other hand, such a mobile communication service is divided into service providers by country or city, and since the system is also diverse, there is no mobile communication service integrating the world at present.

One of the methods for solving the limitations of the service area is a roaming service, and the roaming service is becoming a generalized service as an additional service to the mobile phone service.

Here, the definition of the roaming service is a service that enables communication even when a customer moves beyond the range of a subscription network by connecting a wireless network between service providers having different service areas, thereby enabling payment accordingly. to be.

In addition, the automatic roaming service is a service that can be used between countries using the same frequency band, and the user can use the mobile communication terminal and the telephone number that he / she used in another country without having to rent a mobile communication terminal separately. It is a service.

However, since roaming services such as these are performed in different countries, callers 'call time zones and callees' call time zones are generally different. In a mobile communication system for international roaming calls to date, callers may be caused by time zone differences. Or there is a problem that does not consider the inconvenience of the called party.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to provide an area where a caller is currently located (e.g., a country or a detailed area within a country) without an effort to search for additional information when the caller uses an international call. To provide a call connection method in the international roaming service for guiding the caller to the local time or the available time set by the called party.

Another object of the present invention is to provide a call connection method in an international roaming service for efficiently making a call between an incoming and outgoing call by guiding a caller requesting an international call to a callable time that is actively set by a called party.

Another object of the present invention is not only to allow a caller to be informed of a time when the caller is easy to talk to, but also to omit a call for guiding a callable time to the caller in an emergency. It is to provide a call connection method in the international roaming service to proceed with the connection process.

In order to achieve the above object, a call connection system in an international roaming service according to a first aspect of the present invention includes a home for receiving routing information for a called terminal device from an incoming communication network in response to an incoming call request based on international roaming. And a visual information guide server for transmitting the callable visual information corresponding to the called terminal device to the calling terminal device in response to a request for an incoming / outgoing callable time guide based on the reception of the location register and the routing information. It features.

Preferably, the call connection system in the international roaming service may further determine a current location of the called terminal device through the routing information and further form a global location register for forming the callable visual information based on the determined information. It is characterized by including.

Preferably, the call connection system in the international roaming service receives the caller setting information corresponding to the called terminal device according to whether the called terminal provides a callable time guide service to form the callable time information. It further comprises a global location register for.

Preferably, the called party setting information includes a callable date and time, and further includes a voice message according to a caller's selection.

Preferably, the call connection system in the international roaming service further includes an originating exchange station for delivering a guidance message to the originating terminal device that inquires a caller whether to provide the callable visual information based on the reception of the routing information. Characterized in that.

Preferably, the source switching center transmits the callable visual information in advance of providing a ring back tone to the calling terminal device according to the caller's setting for the guide message.

In addition, the global location register according to the second aspect of the present invention for achieving the above object, the interface unit for interworking with the outgoing communication network and the incoming communication network, provided from the incoming communication network in response to the incoming call request based on international roaming And a control unit for forming callable time information on the basis of the information determining the current position of the called terminal device through routing information corresponding to the called terminal device, and a database unit for storing the callable time information. do.

Preferably, the global location register further comprises a service management unit for managing whether to subscribe to the callable visual guidance service of the called terminal device.

Preferably, when the called terminal apparatus is subscribed to the callable visual guidance service, the controller receives the called party setting information corresponding to the called terminal apparatus, and forms the callable visual information and stores it in the database unit. It features.

Preferably, the controller extracts a reference time parameter through routing information of the calling terminal provided from the calling communication network, and then forms the callable time information through the reference time parameter.

In addition, the visual information guide server according to the third aspect of the present invention for achieving the above object is an interface unit for interworking with the global location register or originating switching center, the incoming terminal from the incoming communication network through the incoming and outgoing call connection based on international roaming A control unit and the callable time information for receiving the callable time information from the global location register in association with the calling exchange that determines whether to provide callable time information to the calling terminal device based on the reception of routing information about the device. It characterized in that it comprises a voice conversion unit for converting into a voice message to transmit to the calling terminal device.

Preferably, the control unit receives the callable time information from the global location register during a preset waiting time and converts the callable time information into the voice message according to a request for providing the callable time information from the calling exchange station, thereby converting the call message into the voice message. Characterized in that delivered to.

Preferably, the waiting time is a time allocated before the originating switching center provides a ring back tone to the originating terminal.

In addition, a method for connecting a call in an international roaming service according to a fourth aspect of the present invention for achieving the above object, receiving routing information for a called terminal device from an incoming communication network in response to an incoming call request based on international roaming; According to a call generation step, an information forming step of determining the current position of the called terminal device through the routing information, and forming a callable time information based on the determined information, and an outgoing exchange switching after receiving the routing information. And a callable time guiding step of guiding the callable time information to the calling terminal.

Preferably, the call connection method in the international roaming service further comprises a call connection step of connecting an incoming / outgoing call when there is a call response from the called terminal device.

In addition, the call connection method in the international roaming service according to the fifth aspect of the present invention for achieving the above object, in response to the call connection for the callable time guide service of the called terminal device for the callable time guide service; A service determining step of determining whether to join or not, establishing a communication channel according to the determination result, and receiving caller setting information for receiving caller setting information including a callable time from the called terminal device, and callable time information based on the called party setting information. According to an information forming step of forming a call, a call call generation step of receiving routing information for the called terminal device in response to an incoming / outgoing call request of an originating terminal device based on international roaming, and an outgoing exchange switching after receiving the routing information. Guiding the callable time information to the calling terminal device It is characterized in that it comprises a callable visual guidance step.

In addition, the call connection method in the international roaming service according to the sixth aspect of the present invention for achieving the above object, routing from the incoming communication network to the called terminal device in response to the incoming call request of the calling terminal device based on international roaming Call call generation step of receiving information, after determining the current position of the called terminal device through the routing information to form a callable time information on the basis of the determined information, or call stored in advance corresponding to the called terminal device An information forming step of forming the callable time information based on called party setting information including a possible time, and a service selection step of a caller that inquires whether the call terminal is provided with a callable time guide service in a call exchange switching process. And when an emergency call is established in the service selection of the caller, And an emergency call connection step of providing a ring back tone until the incoming call is connected to the terminal device and then connecting the call according to the answer of the called terminal device.

Preferably, in the emergency call connection step, when the called terminal device is subscribed to a callable visual guidance service, the calling terminal is based on a caller list previously stored to allow a call connection with the called terminal device in an emergency situation. The method may further include an emergency call authentication step for determining whether to allow the emergency call to the device.

Accordingly, in the present invention, the caller informs the caller of the local time of the region where the called party is currently located (for example, a country or a detailed area within the country) or a callable time set by the called party without any effort to search for additional information when using the international call. Therefore, the caller can easily grasp the callable time with the called party without any effort for searching for information, and in case of an emergency, the caller can execute the incoming / outgoing connection by omitting the process of notifying the caller of the callable time. There is an advantage that can provide a corresponding call connection service.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the configuration of the call connection system in the international roaming service according to the present invention.

1 is a block diagram of a call connection system in an international roaming service according to an embodiment of the present invention. As shown by way of example only in FIG. 1, a call connection system in an international roaming service is a system for achieving international roaming between an outgoing communication network and an incoming communication network, and includes an originating terminal device, an originating switching center 100, and a home location register 200. And a global location register 300, a visual information guide server 400, a mobile telephone gateway exchange 500, a destination exchange station 600, and a destination terminal.

Specifically, the home location register 200 uses routing information of the called terminal device from the called network in response to the incoming call request by the calling terminal device that attempts an international roaming call using the phone number of the called terminal device located in the called network. To be provided.

The routing information is passed from the terminating communication network and passes through the global location register 300. In this case, the global location register 300 is based on the information determining the current location of the destination terminal device through the transmitted routing information. It is possible to form a callable visual information for delivery to.

Here, when the called terminal device is subscribed to the callable visual guidance service, the global location register 300, the called party setting information corresponding to the called terminal device from the called party before the incoming call setting is made as described above (for example, It is also possible to form a callable time information by including a date and time available for a call and receiving a voice message, etc., formed according to a caller's selection.

FIG. 2 is a diagram illustrating the global location register 300 shown in FIG. 1. As shown by way of example only in FIG. 2, such a global location register 300 is provided from an incoming communication network in response to an outgoing call request based on an international roaming, an interface unit 310 for interworking with an outgoing communication network and an incoming communication network. Calling time information is formed on the basis of the information determining the current location of the called terminal device through routing information corresponding to the called terminal device, or when the called terminal device is subscribed to the callable time guide service, A control unit 320 for forming a callable time information based on the set information, a service manager 340 for managing whether or not the destination terminal device subscribes to the callable time guide service, and for storing the callable time information. Database unit 330 is included.

The controller 320 may set a reference time parameter by using routing information provided from the calling terminal device in order to set a reference time while forming a callable time information.

3 is a block diagram showing the visual information guide server 400 shown in FIG. As shown by way of example only in FIG. 3, the visual information guide server 400 includes an interface unit 410 for interworking with the global location register 300 or the originating exchange station 100, which stores callable visual information. A control unit 420 which executes processing for receiving the callable time information from the global location register 300 according to whether or not the available time information is provided, and transmitting the callable time information to the calling office 100, and converts the callable time information into the voice message. It includes a voice conversion unit 430 to.

The controller 420 preferably converts the available call time information into a voice message and provides the calling switch 100 to the calling switch during the waiting time before the calling switch 100 provides the ring back tone to the calling terminal.

Hereinafter, an operation process of a call connection system in an international roaming service according to the present invention will be described in detail with reference to the accompanying drawings.

4 is a flowchart illustrating an operation of a call connection system in the international roaming service illustrated in FIG. 1. As shown only as an example in FIG. 4, the call connection method in the international roaming service proceeds to receiving routing information for the called terminal device from the called network in response to an incoming call request based on international roaming of the calling terminal device. (S100 to S110).

In the above process, the global location register 300 is provided with routing information to determine the current location of the called terminal device, and then form the available time information based on the determined information.

The callable time information may be formed in advance based on the called party setting information input by the called party before the incoming call setting when the called terminal apparatus is subscribed to the callable time guide service.

Thereafter, the global location register 300 stores the formed callable time information (S112).

Through this process, the global location register 300 transmits the routing information provided from the incoming communication network to the home location register 200 (S114), and transmits the incoming location information formed in response thereto to the calling exchange 100. (S116).

Subsequently, the originating exchange 100 transmits an ISUP IAM (Initial Address Massage) to the destination communication network based on the destination location information (S118 and S120), and in response, the ISUP ACM (Address Complete) from the destination exchange station 600. Massage is provided (S122 and S124).

The originating exchange 100 receiving the ISUP ACM (Address Complete Massage) performs a process for providing a callable visual guidance service to the originating terminal device before performing switching to provide a ring back tone (S126).

Accordingly, the time information guide server 400 receives the callable time information from the global location register 300 in response to a request of the calling switching center 100, converts the voice information into a voice message, and transmits the converted voice message to the calling switching office 100 ( S128 to S134).

Thereafter, the source switching center 100 transmits the voice message received to the calling terminal, and then switches the call ring tone that is waiting to provide the corresponding call ring tone to the calling terminal (S136).

In step S136, the destination switching center 600 transmits an ISUP ANM (Answer Massage) to the calling switching center 100 through the gateway switching center 500 according to the response of the called terminal device (S138 and S140).

After that, the call between the incoming and outgoing calls is connected (S142).

FIG. 5 is a flowchart illustrating a process of registering a callable time by a called party based on a call connection system in the international roaming service illustrated in FIG. 1. As shown by way of example only in FIG. 5, a method for guiding a preset callable time by a called party is not a method of guiding a preset callable time by the called party, instead of automatically forming and guiding callable time information based on routing information delivered from the destination communication network. Proceeds to the call execution of the terminating terminal device for registering in advance (S200 and S202).

The global location register 300 determines whether the receiving terminal device to which the call is connected is subscribed to the callable visual guidance service (S204), and then sends a call response message based on the determined result (S206 and S208).

Thereafter, the destination switching center 600 re-delivers the call response message to the called terminal device, and receives the called party setting information (eg, available date and time, voice message, etc.) set by the called party from the called terminal device. The gateway exchange 500 is transmitted to the gateway 500 (S210), and the mobile gateway gateway 500 is re-delivered to the global location register 600 (S212).

The global location register 600 forms callable time information for guiding the calling terminal device using the called party setting information as backup information (S214), and stores and manages it (S216).

6 is a flowchart illustrating a process of executing an emergency call connection by a caller's request through a call connection system in the international roaming service shown in FIG. 1. As shown by way of example only in Figure 6, the process of performing an emergency call connection by the caller selection of the call connection method in the international roaming service is the incoming communication network in response to the incoming call request based on the international roaming of the calling terminal Proceed to receiving the routing information for the destination terminal from the (S300 to S312).

Thereafter, the global location register 300 stores the formed callable time information (S314).

Through this process, the global location register 300 transmits the routing information provided from the incoming communication network to the home location register 200 (S316), and transmits the incoming location information formed in response thereto to the calling exchange 100. (S318).

Subsequently, the originating exchange 100 transmits an ISUP IAM (Initial Address Massage) to the destination communication network based on the destination location information (S320 and S322), and in response thereto, the ISUP ACM (Address Complete) from the destination exchange station 600. Massage) (S324 and S326).

The originating exchange 100 receiving the ISUP ACM (Address Complete Massage) before the switching to provide the ring back tone, based on the information provided from the home location register 200, the incoming terminal device is available to call the visual guidance service After determining whether or not the user has subscribed to (S328), if the called terminal apparatus is subscribed to the callable visual guidance service as a result of the determination, it is determined that the callable visual guidance service is set according to the called terminal equipment. Guide to the device (S330).

Thereafter, the calling terminal may be guided automatically through the call execution process of the system after receiving the guidance, or may be guided through the setting for receiving the service.

On the other hand, when the calling terminal device needs to make an emergency call connection with the called terminal device, an emergency call may be set through a setting process such as a simple button input (S332).

Accordingly, the originating switching center 100 does not perform system call processing processing for guiding callable visual information in response to an emergency call request from the originating terminal device, and transmits an incoming / outgoing call ring tone, which is a normal call setup process, to the originating terminal device. Provide (334).

In step S334, the destination switching center 600 transmits an ISUP ANM (Answer Massage) to the calling switching center 100 through the gateway switching center 500 according to the response of the called terminal device (S336 and S338).

After that, the call between the incoming and outgoing calls is connected (S340).

Furthermore, it is also possible for the called party to register a callable time in advance in the callable visual guidance service, and register a caller list that allows call connection in an emergency in addition to the callable time in the registration process.

Here, the caller list is stored and managed in the DB of the global location register together with the callable time.

In step S334, the originating switching center 100 may be implemented so as not to proceed with the system call processing processing for guiding the callable time information in response to the emergency call request of the calling terminal, but the caller who permits an emergency call as described above. In the case of registering the list, it checks whether the calling terminal device is included in the calling party list in cooperation with the global location register 300.

Thereafter, the originating exchange 100 performs the remaining call connection process according to the confirmed result.

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

In addition, the present invention provides the caller with a local time or a callable time set by the called party in the region where the called party is currently located (for example, a country or a detailed area within a country) without the effort of searching for additional information when the caller uses an international call. In order to do so, it is an invention with industrial applicability because the possibility of market or business is not only sufficient but also practically obvious.

1 is a block diagram of a call connection system in an international roaming service according to an embodiment of the present invention;

2 is a block diagram showing the global location register shown in FIG.

3 is a block diagram showing a visual information guide server shown in FIG.

4 is a flowchart illustrating an operation of a call connection system in the international roaming service shown in FIG.

FIG. 5 is a flowchart illustrating a process of registering a callable time by a called party based on a call connection system in the international roaming service shown in FIG. 1;

6 is a flowchart illustrating a process of executing an emergency call connection by a caller's request through a call connection system in the international roaming service shown in FIG. 1.

Description of the Related Art

100: call center 200: home location register

300: Global location register 310, 410: Interface unit

320, 420: control unit 330: database unit

340: service management unit 400: visual information guide server

430: voice conversion unit 500: mobile phone gateway office

600: destination exchange office

Claims

In the call connection system in the international roaming service,

A home location register for receiving routing information on a called terminal device from a called communication network in response to an incoming call request based on international roaming; And

And a visual information guide server for transmitting the callable visual information corresponding to the called terminal device to the calling terminal device in response to a request for an incoming / outgoing callable time guide based on the reception of the routing information. Call connection system in roaming service.

The system of claim 1, wherein the call connection system in the international roaming service is

And a global location register for determining the current location of the called terminal device through the routing information, and for forming the callable time information based on the determined information. .

And further comprising a global location register for receiving the caller setting information corresponding to the called terminal device and forming the callable time information according to whether the called terminal device subscribes to the callable time guide service. Call connection system in roaming service.

The method of claim 3, wherein the called party setting information is

A call connection system in an international roaming service, comprising a date and time available for a call, and further comprising a voice message according to a caller's choice.

And an originating exchange station for transmitting a guidance message to the originating terminal device, the guide message inquiring the caller whether or not to provide the callable visual information based on the reception of the routing information.

6. The method according to claim 5, wherein the calling exchange is

The call connection system of the international roaming service, characterized in that for transmitting the callable time information in preference to providing a ring back tone to the calling terminal device according to the setting of the caller for the guide message.

In the global location register provided in the call connection system in the international roaming service,

An interface unit for interworking with an outgoing communication network and an incoming communication network;

A control unit for forming callable visual information based on information for determining a current location of the called terminal device through routing information corresponding to a called terminal device provided from the called communication network in response to an incoming call request based on international roaming; ; And

And a database unit for storing the callable visual information.

8. The system of claim 7, wherein the global location register is

And a service manager configured to manage whether the called terminal apparatus subscribes to the callable visual guidance service.

The method of claim 8, wherein the control unit

And when the called terminal device is subscribed to a callable time guide service, receiving caller setting information corresponding to the called terminal device, and forming the callable time information and storing the callable time information in the database unit.

The method of claim 7 or 8, wherein the control unit

And extracting the reference time parameter from the routing information of the calling terminal provided from the calling communication network, and then forming the callable time information using the reference time parameter.

In the visual information guide server provided in the call connection system in the international roaming service,

An interface unit for interworking with a global location register or originating switching center;

From the global location register in conjunction with the originating switching center for determining whether to provide the callable time information to the calling terminal device based on the reception of routing information for the called terminal device from the called communication network through the incoming call connection based on international roaming; A control unit for receiving callable visual information; And

And a voice conversion unit for converting the callable visual information into a voice message and transmitting the converted voice information to the calling terminal.

The method of claim 11, wherein the control unit

In response to a request for providing the callable time information from the originating exchange, receiving the callable time information from the global location register during a preset waiting time, converting the voice message into the voice message, and transmitting the converted voice message to the calling exchange time; Visual Information Guide.

The method of claim 12, wherein the waiting time

And a time allocated before the calling exchange station provides a ring back tone to the calling terminal device.

In the call connection method in the international roaming service,

A call call generation step of receiving routing information for a called terminal device from a called communication network in response to an incoming call request based on international roaming;

An information forming step of determining a current position of the called terminal device through the routing information and forming callable time information based on the determined information; And

And a callable time guiding step of guiding the callable time information to a calling terminal in response to an outgoing exchange switching after receiving the routing information.

15. The method of claim 14, wherein the call connection method in the international roaming service is

And a call connection step of connecting an incoming / outgoing call when there is a call response from the called terminal.

In the call connection method in the international roaming service,

A service determining step of determining whether to subscribe to the callable time guide service in response to a call connection for the callable time guide service of the called terminal device;

A called party setting step of establishing a communication channel according to a determination result and receiving callee setting information including a time when a call is available from the called terminal device;

An information forming step of forming callable visual information based on the called party setting information;

A call call generation step of receiving routing information for the called terminal device in response to an incoming / outgoing call request of the calling terminal device based on international roaming; And

And a callable time guiding step of guiding the callable time information to the calling terminal in response to an outgoing exchange switching after receiving the routing information.

The method of claim 16, wherein the call connection method in the international roaming service is

In the call connection method in the international roaming service,

A call call generation step of receiving routing information on the called terminal device from the called communication network in response to the incoming call request of the calling terminal device based on international roaming;

After determining the current position of the called terminal device through the routing information, the callable time information is formed based on the determined information, or the caller setting information including the available callable time corresponding to the called terminal device is stored. An information forming step of forming the callable visual information based on the information;

A caller's service selection step of inquiring whether or not to provide a callable visual guidance service to the caller terminal device in a call exchange switching process; And

If an emergency call is set in the caller's service, an emergency call connection step of providing a ring back tone until the incoming call is connected to the calling terminal and then connecting a call according to the answer of the called terminal is included. Call connection in an international roaming service.

The method of claim 18, wherein the emergency call connection step

When the called terminal device is subscribed to the callable visual guidance service, it is determined whether to allow the emergency call to the calling terminal device based on the caller list which is already stored in order to allow the call connection with the called terminal device in case of an emergency. Call connection method in the international roaming service, characterized in that it further comprises an emergency call authentication step.