KR20090125457A - Collect call service system and method thereof - Google Patents

Abstract

PURPOSE: An apparatus and a method thereof for offering a collect call service from 3G to 2G terminal are provided to supply efficient call connection in case the collect call service is supplied through 2G terminal from 3G terminal. CONSTITUTION: A message processor(410) receives an originating message for a collect call service of an originating terminal through a first apparatus. A controller(440) determines whether the originating terminal supplies the service about a first call. The controller offers the selective collect call service to the originating terminal. In case the service is unavailable, the controller queries the call connection whether to connect the called terminal.

Description

Toll-free service device and method thereof {COLLECT CALL SERVICE SYSTEM AND METHOD THEREOF}

The present invention relates to a toll service apparatus and a method thereof. In particular, the present invention relates to a toll service apparatus and a method for providing an efficient call connection when providing a toll service to a 2G terminal using a 3G (Generation) terminal.

Toll-free services are intelligent network services that give telephone subscribers a special number and charge the recipient on behalf of the caller for all calls received on that number. Such a toll-free service has an advantage of eliminating user inconvenience caused when the mobile communication terminal is lost or without cash.

Currently, toll-free services are being used in various ways through interworking networks such as mobile communication networks, public switched telephone networks (PSTN), and Internet networks.

On the other hand, when using a toll service, when a voice call is made to a 2G terminal using a 3G terminal, the 3G terminal transmits a call through a video gateway, so that a charge equivalent to a video call is charged when billing. This happens. In addition, an inappropriate load occurs due to improper use of nodes in the network (that is, a problem of using a node for 3G communication and a node for 2G communication).

SUMMARY OF THE INVENTION The present invention has been made in an effort to provide a toll service apparatus and method for providing an efficient call connection when providing a toll service to a 2G terminal using a 3G terminal.

According to a feature of the present invention for solving the above problems, the first and second devices for processing the call of the first network and the second device for handling the call of the second network to send and receive data, the originating terminal and the destination terminal A device providing a toll free service for connection between

A message processing unit which receives an outgoing signal for a toll-free service of the calling terminal through the first device; And determining whether the called terminal is capable of providing a service for the call of the first network so as to deliver the received outgoing signal to the called terminal, and based on the determination, provide a selective toll service to the calling terminal. It includes a control unit for providing.

Here, when the called terminal cannot provide a service for the call of the first network, the controller inquires whether the called terminal connects to the first network, and receives a communication connection approval in response to the query. If so, it controls a call connection through the first network between the called terminal and the calling terminal, and controls the first device to charge the use of the first network to the called terminal.

In this case, when the response to the query does not approve the first network connection, the control unit requests to reconnect to the calling terminal or provides a guide broadcast.

According to a feature of the invention, the first device for processing the call of the first network and the second device for processing the call of the second network to transmit and receive data, toll-free service for the connection between the originating terminal and the destination terminal Toll-free service method of the device providing the,

Receiving an outgoing call for a toll service of the calling terminal through the first device; Determining whether a terminating terminal is capable of providing a service for a call of the first network to deliver the received outgoing signal to the terminating terminal; If it is determined that the called terminal cannot provide a service for the call of the first network, performing a query as to whether to accept the first network connection to the called terminal; And when the destination terminal does not approve the first network connection, as a result of the query, requesting the originating terminal to reconnect using the second network.

The requesting for reconnection to the calling terminal using the second network may include: generating a connection attempt request message for accessing the calling terminal using the second network and transmitting the message to the second device; And performing a second network connection of the calling terminal from the second device, providing a toll service for the calling terminal using the second network.

The requesting for reconnection using the second network to the calling terminal may include controlling a first network connection between the called terminal and the calling terminal when the called terminal is able to connect to the first network. Steps to

It further includes.

According to a feature of the present invention, a first device for processing a call of a first network and a second device for processing a call of a second network are connected to transmit and receive data, and toll-free service for connecting a called terminal to an originating terminal is provided. Toll-free service method of the device to provide,

Receiving an outgoing call for a toll service of the calling terminal through the first device; Determining whether a terminating terminal can provide a service for a call of a first network in order to deliver the received outgoing signal to the terminating terminal; As a result of the determination, when the called terminal is unable to provide a service for a call of the first network, transmitting a connection attempt request message for accessing the calling terminal using the second network to the second device. step; And providing the toll-free service for the calling terminal by using the second network when the second device performs the second network connection of the calling terminal.

Here, when the determination result, the called terminal can provide a service for the call of the first network, the method further comprises the step of controlling the first network connection between the called terminal and the calling terminal.

Here, determining whether the called terminal is a terminal capable of providing a service to the first network may include transmitting an Invite message to the called terminal; Receiving a response message of the invite message; And determining whether the called terminal is a terminal capable of connecting to the first network based on the information of the called terminal in the response message.

According to the present invention, when the called terminal receiving the 3G outgoing call of the calling terminal in the toll free service is a 2G dedicated terminal, by controlling the 3G connection between the calling terminal and the called terminal to the 2G connection, the 3G charge to the called terminal The effect of efficiently solving the problem of the charged toll service can be expected.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. In addition, the terms “… unit”, “… unit”, “module”, etc. described in the specification mean a unit that processes at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software. have.

The terms used in the present invention are defined as follows.

3G (Generation, hereinafter referred to as "G") communication is a third generation communication, and means a communication method for providing a multimedia service such as voice, text, and video, and a communication method such as wideband code division multiple access (WCDMA). Include.

2G communication is a second generation communication means a communication method that provides voice and text, and includes a communication method such as code division multiple access (CDMA), and a communication method using a public switched telephone network (PSTN).

Now, a toll service apparatus and a method thereof according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Hereinafter, in the embodiment of the present invention, it is assumed that the calling terminal is a terminal capable of 3G connection, and the called terminal is a terminal not capable of 3G communication connection (hereinafter, also referred to as "3G connection").

1 is a block diagram illustrating a toll service system according to an exemplary embodiment of the present invention.

As shown in FIG. 1, a toll service system according to an exemplary embodiment of the present invention includes a toll service device 400, a 3G video gateway 200, and a 2G gateway 300, and through a 3G network and a 2G network. Data transmission and reception are performed with the connected calling terminal 100 and the called terminal 150 connected through the 2G network.

The toll-free service device 400 is an intelligent network device that provides a toll-free service. When the toll-free service device 400 receives a 3G outgoing call for the toll-free service of the calling terminal 100 through the 3G video gateway 200, the called terminal 150 is provided. Checking the terminal information of the receiving terminal 150 performs the function of resetting the call path if the 2G terminal.

The 3G video gateway 200 is a gateway for 3G services. The 3G video gateway 200 is connected to the calling terminal 100 through a 3G network to transmit and receive data. When the 3G video signal is received from the calling terminal 100 for toll-free service, the 3G video gateway 200 is tolled. Transfer to the service device 400.

In addition, the 3G gateway 200 performs charging for the use of 3G communication between the calling terminal 100 and the called terminal 150.

The 2G gateway 300 is a gateway for 2G services, is connected to the calling terminal 100 through a 2G network to transmit and receive data, and receives an access attempt request message from the toll-free service device 400 to the calling terminal 100. To control the connection of the calling terminal 100.

In addition, the 2G gateway 300 performs charging for the use of 2G communication between the calling terminal 100 and the called terminal 150.

The calling terminal 100 is a 3G terminal and performs call connection with the user terminal through 2G and 3G networks (eg, WCDMA, CDMA). That is, the calling terminal 100 includes a terminal capable of call connection with the 2G terminal and the 3G terminal.

The called terminal 150 is a 2G terminal and performs a call connection with the calling terminal 100 through a 2G network (for example, PSTN).

2 is a block diagram showing a toll service apparatus according to an embodiment of the present invention.

As shown in FIG. 2, the toll-free service apparatus 400 of the present invention includes a message processor 410, an announcement broadcast transmitter 420, a storage 430, and a controller 440.

The message processor 410 receives a 3G outgoing signal received through the 3G video gateway 200, and provides the received 3G outgoing signal to the controller 440.

In addition, the message processing unit 410 generates and transmits an access attempt request message to the 2G gateway 300 so that the calling terminal 100 performs the 2G communication connection at the request of the controller 440, and receives a response thereto. Provided to the control unit 440.

The guide broadcast transmitter 420 transmits the guide broadcast to the called terminal 150 or the calling terminal 100 based on the guide broadcast information stored in the storage 430 under the control of the controller 440.

In this case, the announcement broadcast provided by the announcement broadcast unit 420 to the called terminal 150 is a query about whether to perform a 3G connection, and whether the announcement broadcast provided to the calling terminal 100 performs a 2G connection. Query about whether or not. For example, the guide sending and sending unit transmits the announcement in the form of " outgoing call is a 3G call. Do you want to connect 3G? &Quot;

The controller 440 controls the message processor 410 and the announcement broadcast transmitter 420, and when the 3G outgoing signal for the toll free service of the calling terminal 100 is received through the 3G video gateway 200, the incoming call is received. Checking the terminal information of the terminal 150 performs the function of resetting the call route if the called terminal 150 is a 2G terminal.

Specifically, the controller 440 controls the announcement broadcast transmitter 420 to transmit the guide broadcast on the 3G connection to the destination terminal 150 when the terminating terminal 150 to transmit the 3G outgoing signal is a 2G terminal. If the destination terminal 150 does not want a 3G connection, the destination terminal 150 requests the originating terminal 100 to change the access path. When the calling terminal 100 and the called terminal 150 make a 2G connection, the 2G gateway is controlled to charge the 2G communication usage fee with the called terminal 150.

In this case, when the called terminal 150 wants a 3G connection, the controller 440 controls the 3G connection between the calling terminal 100 and the called terminal 150. In this case, when the 3G connection is completed between the calling terminal 100 and the called terminal 150, the controller controls the 3G video gateway to charge the 3G communication usage fee to the called terminal 150.

Such a toll-free service device of the present invention controls the 3G connection between the calling terminal and the called terminal to be a 2G connection when the called terminal receiving the 3G outgoing signal of the calling terminal is a 2G dedicated terminal, thereby changing the 3G to the called terminal. There is a big advantage that can efficiently solve the problem of toll service that is charged.

3 is a data flow diagram illustrating a first method for toll service of a toll service system according to an exemplary embodiment of the present invention.

As shown in FIG. 3, the calling terminal 100 according to an embodiment of the present invention generates and sends a toll service request message for requesting a toll service to the called terminal 150 according to a caller's request (S100). ). At this time, the toll service request message is a 3G call.

The 3G video gateway 200 receives a toll service request message from the calling terminal 100, and transfers the received toll service request message to the toll service device 400 (S102).

The toll-free service device 400 receives a toll-free service request message from the 3G video gateway 200 and transmits an invite message to the called terminal 150 (S104).

The destination terminal 150 generates a response message corresponding to the invite message and transmits it to the toll free service device 400 (S106). In this case, the response message includes type information of the called terminal 150.

The toll-free service device 400 receives the response message from the called terminal 150 and determines whether the called terminal 150 is a 3G-enabled terminal based on the type of the called terminal 150 of the received response message. It is determined (S108).

As a result of the determination in step S108, when the called terminal 150 is a terminal capable of 3G connection, the toll-free service device 400 controls the 3G connection between the calling terminal 100 and the called terminal 150 (S110). .

As a result of the determination in step S108, when the terminating terminal 150 is a terminal capable of only 2G connection (when the terminal is not capable of 3G connection), the toll-free service device 400 connects 3G to the terminating terminal 150. It transmits a guide broadcast on whether or not (S112), and receives a receiver response to the transmitted announcement (S114).

In addition, the toll-free service device 400 determines whether the called party accepts an outgoing call for the 3G connection based on the called party response (S116).

As a result of the determination in step S116, when the called party allows reception, the 3G connection between the calling terminal 100 and the called terminal 150 is controlled (S118).

As a result of the determination in step S116, when the called party does not allow reception, the guide broadcast is transmitted to the calling terminal 100 to perform reconnection using 2G (S120).

Such a first method for toll service has a great advantage to solve the problem of 3G call charging of the 2G terminal during toll service.

4 is a data flowchart illustrating a second method for toll service of a toll service system according to an exemplary embodiment of the present invention.

As shown in FIG. 4, the calling terminal 100 according to an embodiment of the present invention generates and transmits a toll service request message for requesting a toll service to the called terminal 150 according to a caller's request (S200). ).

The 3G video gateway 200 receives a toll service request message from the calling terminal 100, and transfers the received toll service request message to the toll service device 400 (S202).

The toll-free service apparatus 400 receives a toll-free service request message from the 3G video gateway 200 and transmits an invite message to the called terminal 150 (S204).

The destination terminal 150 generates a response message corresponding to the invite message and transmits the response message to the toll free service device 400 (S206). In this case, the response message includes type information of the called terminal 150.

The toll-free service device 400 receives the response message from the called terminal 150 and determines whether the called terminal 150 is a 3G-enabled terminal based on the type of the called terminal 150 of the received response message. It is determined (S208).

As a result of the determination in step S208, when the called terminal 150 is a terminal capable of 3G connection, the toll-free service device 400 controls the 3G connection between the calling terminal 100 and the called terminal 150 (S210). .

As a result of the determination in step S208, when the called terminal 150 is a terminal capable of only 2G connection, the toll-free service device 400 transmits a guide broadcast for changing the access path to the calling terminal 100 (S212). At the same time, the toll-free service device 400 requests to connect to the calling terminal 100 in order to connect the calling terminal 100 to the 2G gateway 300 (to make the calling terminal 100 perform the 2G call connection). A message is generated and transmitted to the 2G gateway 300 (S214).

The 2G gateway 300 receives the access attempt request message, and generates and transmits an access request message to the calling terminal 100 (S216).

The calling terminal 100 provides the caller with the received announcement broadcast and the access request message received from the 2G gateway 300, and if the caller approves the connection to the 2G gateway 300 based on the access request message, the caller responds with 2G. The message is transmitted to the 2G gateway 300 (S218).

At this time, if the caller does not approve the connection with the called terminal 150 using 2G, the calling terminal 100 terminates the connection process with the called terminal 150.

When the 2G gateway 300 receives the response message from the calling terminal 100, the 2G gateway 300 notifies the toll free service device 400 of the call of the calling terminal 100 (S220).

The toll-free service device 400 controls the 2G connection with the called terminal 150 when the calling terminal is connected through the 2G gateway 300.

In the toll service using the 3G call through the second method for the toll service, there is an advantage that the billing problem for the 3G call added to the 2G only called terminal can be efficiently solved.

5 is a data flow diagram illustrating a third method for toll service of a toll service system according to an exemplary embodiment of the present invention.

As shown in FIG. 5, the called terminal 150 according to an exemplary embodiment of the present invention transmits a toll service request message for requesting a toll service to the called terminal 150 according to a caller's request. Create and transmit (S300). At this time, the toll service request message is a 3G call.

The 3G video gateway 200 receives a toll service request message from the calling terminal 100, and transfers the received toll service request message to the toll service device 400 (S302).

The toll-free service device 400 receives a receiver-borne service request message from the 3G video gateway 200 and transmits an invite message to the called terminal 150 (S304).

The destination terminal 150 generates a response message corresponding to the invite message and transmits it to the toll free service device 400 (S306). In this case, the response message includes type information of the called terminal 150.

The toll-free service device 400 receives the response message from the called terminal 150 and determines whether the called terminal 150 is a 3G-enabled terminal based on the type of the called terminal 150 of the received response message. It is determined (S308).

As a result of the determination in step S308, when the called terminal 150 is a terminal capable of 3G connection, the toll-free service apparatus 400 controls the 3G connection between the calling terminal 100 and the called terminal 150 (S310). .

As a result of the determination in step S308, when the called terminal 150 is a terminal capable of only 2G connection, the toll-free service device 400 transmits a guide broadcast on whether or not the 3G connection is made to the called terminal 150 (S312), The receiver response to the transmitted announcement is received (S314).

In addition, the toll-free service device 400 determines whether the called party accepts an outgoing call for the 3G connection based on the called party response (S316).

As a result of the determination in step S316, when the called party allows the reception, the 3G connection between the calling terminal 100 and the called terminal 150 is controlled (S318).

As a result of the determination in step S316, when the called party does not allow the reception, the receiver burden service apparatus 400 transmits a guide broadcast for changing the access path to the calling terminal 100 (S320). At the same time, the toll-free service device 400 requests to connect to the calling terminal 100 in order to connect the calling terminal 100 to the 2G gateway 300 (to make the calling terminal 100 perform the 2G call connection). A message is generated and transmitted to the 2G gateway 300 (S322).

The 2G gateway 300 receives the access attempt request message and generates and transmits an access request message to the calling terminal 100 (S324).

The processing after the step S324 is the same as that of the second method shown in FIG.

That is, the calling terminal 100 provides the caller with the received announcement broadcast and the access request message received from the 2G gateway 300, and if the caller approves the connection to the 2G gateway 300 based on the access request message, The response message used is transmitted to the 2G gateway 300.

At this time, if the caller does not approve the connection with the called terminal 150 using 2G, the calling terminal 100 terminates the connection process with the called terminal 150.

When the 2G gateway 300 receives the response message from the calling terminal 100, the 2G gateway 300 notifies the toll-free service apparatus 400 of the call of the calling terminal 100.

The toll-free service device 400 controls the 2G connection with the called terminal 150 when the calling terminal is connected through the 2G gateway 300.

The embodiments of the present invention described above are not implemented only through the apparatus and the method, but may be implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded. Implementation may be easily implemented by those skilled in the art from the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1 is a block diagram illustrating a toll service system according to an exemplary embodiment of the present invention.

2 is a block diagram showing a toll service apparatus according to an embodiment of the present invention.

3 is a data flow diagram illustrating a first method for toll service of a toll service system according to an exemplary embodiment of the present invention.

4 is a data flowchart illustrating a second method for toll service of a toll service system according to an exemplary embodiment of the present invention.

5 is a data flow diagram illustrating a third method for toll service of a toll service system according to an exemplary embodiment of the present invention.

Claims (15)

A device connected to a first device for processing a call of a first network and a second device for processing a call of a second network, transmitting and receiving data, and providing a toll free service for connection between an originating terminal and a called terminal, A message processing unit which receives an outgoing signal for a toll-free service of the calling terminal through the first device; And In order to deliver the received outgoing signal to the called terminal, the called terminal determines whether it is possible to provide a service for the call of the first network, and based on the determination, provides a selective toll-free service to the calling terminal. Control unit Toll service device comprising a. The method of claim 1, The control unit, When the called terminal is unable to provide a service for the call of the first network, the called terminal inquires whether to connect the call through the first network, and when a call connection approval is received in response to the query And controlling the first device to control a call connection between the called terminal and the calling terminal through the first network, and to charge the first terminal to charge the use of the first network. The method of claim 2, The control unit, If the response to the query does not approve the provision of service for the call of the first network, toll-free service apparatus for requesting reconnection to the calling terminal or providing announcement. The method of claim 3, An announcement broadcast storage for storing announcement information for the query; And Under the control of the controller, toll-free service apparatus further comprises a guide broadcast providing unit for providing the guide broadcast information to the called terminal. The method according to any one of claims 1 to 4, The control unit, When the called terminal is capable of service connection to the call of the first network, the call terminal controls the call connection between the calling terminal and the called terminal through the first network, the first terminal of the calling terminal to the called terminal Toll-free service device that charges for use. The method of claim 2, The control unit, If the response to the query is not a communication connection approval, a message for controlling the second device to send and the originating terminal to the second network connection is generated and sent, the originating terminal via the second device And a toll service device for providing a toll service between the calling terminal and the called terminal through the second network. The method of claim 1, The control unit, If the called terminal is unable to provide a service for the call of the first network, the calling terminal generates and transmits a message for controlling the second device so that the calling terminal performs the second network connection. And a terminal toll-free service between the calling terminal and the called terminal through the second network when the terminal connects through the second device. The method of claim 7, wherein An announcement broadcast storage unit storing announcement broadcast information on the first network connection to the calling terminal; And Under the control of the controller, the announcement broadcast providing unit for providing the announcement information to the calling terminal Toll service device further comprising. The method according to any one of claims 1 to 4 and 6 to 8, The control unit, Sending an invite message to the called terminal, and determining whether the called terminal can provide a service for the call of the first network based on a response message to the incoming message. A toll of a device that is connected to a first device that processes a call of the first network and a second device that processes a call of the second network, transmits and receives data, and provides a toll service for connection between the calling terminal and the called terminal. In the service method, Receiving an outgoing call for a toll service of the calling terminal through the first device; Determining, by the destination terminal, whether the first network connection is possible to deliver the received outgoing signal to the destination terminal; As a result of the determination, when the called terminal cannot provide a service for the call of the first network, performing a query as to whether to accept the connection through the first network to the called terminal; And As a result of the query, when the called terminal does not approve the first network connection, requesting the calling terminal to reconnect using the second network; Toll service method comprising a. The method of claim 10, Requesting re-connection using the second network to the calling terminal, Generating an access attempt request message for accessing the originating terminal using the second network and transmitting the generated access request message to the second device; And Providing a toll-free service for the calling terminal using the second network when the second network is connected to the calling terminal from the second device; Toll service method comprising a. The method of claim 11, Controlling the call connection between the called terminal and the calling terminal through the first network when the called terminal can provide a service for the call of the first network. Toll service method further comprising a. A toll free service of a device connected to a first device that processes a call of the first network and a second device that processes a call of the second network, to transmit and receive data, and to provide a toll service for connection of the called terminal to the calling terminal. In the method, Receiving an outgoing call for a toll service of the calling terminal through the first device; Determining whether a terminating terminal can provide a service for a call of a first network in order to deliver the received outgoing signal to the terminating terminal; As a result of the determination, when the called terminal is unable to provide a service for a call of the first network, transmitting a connection attempt request message for accessing the calling terminal using the second network to the second device. step; And If the second device performs the second network connection of the calling terminal, providing a toll service for the calling terminal using the second network; Toll service method comprising a. The method of claim 13, Controlling the call connection between the called terminal and the calling terminal through the first network when the called terminal is able to provide a service for the call of the first network. Toll service method further comprising a. The method according to any one of claims 10 to 14, The step of determining whether the called terminal is capable of providing a service for the call of the first network, Transmitting an Invite message to the called terminal; Receiving a response message of the invite message; And Determining whether the called terminal is a terminal capable of providing a service for the call of the first network based on the information of the called terminal in the response message; Toll service method comprising a.

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