KR100641331B1 - method for the discrimination of redirection number on the call forwarding service - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a method for providing a service for distinguishing a called number by a general called number and a call transfer in a mobile communication network.

2. Technical problem to be solved by the invention

The present invention is to allow the called party to recognize the case when a direct call to his terminal (telephone number: MIN1) and a case where the incoming call to the designated call forwarding designated terminal (telephone number: MIN2) is forwarded The purpose of the present invention is to provide a method for distinguishing a called party number by a general called number and a call forwarding in a mobile communication network.

3. Summary of the Solution of the Invention

The present invention provides a method for distinguishing between a general called number and a called number in a mobile communication network. The present invention provides a call forwarding target terminal number and a call forwarding designated terminal in the subscriber information registered in the subscriber information management system (HLR). Requesting a location inquiry from a subscriber information management system accommodating a terminal corresponding to the called number when the calling exchange receives a call connection request corresponding to a specific called number from the calling terminal in a state in which the telephone number is matched and stored; Inquiring, by the subscriber information management system, the subscriber's subscription to the service corresponding to the called number according to the location inquiry request; When the called party is the service subscriber as a result of the service subscription item inquiry, checking, by the subscriber information management system, whether the called number is a call forwarding designated terminal phone number or a call forwarding target terminal phone number; And if the called number is a call forwarding designated terminal phone number as a result of the inspection, the subscriber information management system instructs the originating exchange to set up a call to the call forwarding target terminal [call forwarding command] to accept the call forwarding target terminal. Instructs the called terminal to transmit a call forwarding designated terminal phone number when paging is performed according to the call connection during the outgoing exchange period. If the called number is a call forwarding target phone number, the subscriber information management system calls the incoming call. And instructing the called terminal to receive the transfer target terminal to transmit the call forward target terminal telephone number when paging is performed according to the call connection in the outgoing exchange period.

4. Important uses of the invention

The present invention is used in a mobile communication system.

Call Forwarding, Call Forwarding Number, Call Forwarding Designated Number

Description

Method for providing discrimination of redirection number on the call forwarding service in mobile communication network

1 is a configuration diagram of an embodiment of a communication system to which the present invention is applied.

Figure 2a is a flow diagram of an embodiment of a method for providing a call number distinguishing service by a general call number and call forward when a caller calls a called party's terminal (phone number: MIN1) according to the present invention.

Figure 2b is a flow chart of an embodiment of a method for providing a call number distinguishing service by a general call number and call forward when a caller calls a called party's call forwarding designation terminal (phone number: MIN2) according to the present invention.

Explanation of symbols on the main parts of the drawings

101: public switched telephone network (PSTN) 102: mobile phone gateway system (CGS)

103: outgoing mobile telephone switchboard (MSC / VLR)

104: incoming mobile telephone switchboard (MSC / VLR)

105, 107: subscriber information management system (HLR)

106: signal transmission unit (STP)

The present invention relates to a method for providing a service for distinguishing a called number by a general called number and a call transfer in a mobile communication network, and more particularly, when a called person makes a direct call to his terminal (phone number: MIN1). The present invention relates to a method for recognizing a case in which a call to a designated terminal (phone number: MIN2) is forwarded to a call.

In the case of the call forwarding provided by the mobile phone service provider, the call is connected to the forwarded number, but there is no way for the subscriber to distinguish whether the call is received from his / her existing number or from the forwarded number. .

In addition, there is a service that displays a phone number on the terminal for a special case, but this is a service that provides a caller's calling number. There is a problem that you do not know whether the incoming call.

The present invention has been made in order to solve the above problems, the case where the caller is a direct call to his terminal (telephone number: MIN1) and the call forwarded to the designated call forwarding terminal (telephone number: MIN2) is forwarded The purpose of the present invention is to provide a method for distinguishing a called party number by a general called number and a call forwarding in a mobile communication network in order to be able to recognize the coming case.

The method of the present invention for achieving the above object is a call forwarding to the service subscriber information registered in the subscriber information management system (HLR) in the method for providing a service number distinguishing service by the general called number and the call transfer in the mobile communication network Subscriber information management that accepts the terminal corresponding to the called number when the calling exchange receives the call connection request corresponding to the specific called number from the calling terminal while the target terminal telephone number and the designated call forwarding designated terminal telephone number are matched and stored. Requesting a location query from the system; Inquiring, by the subscriber information management system, the subscriber's subscription to the service corresponding to the called number according to the location inquiry request; When the called party is the service subscriber as a result of the service subscription item inquiry, checking, by the subscriber information management system, whether the called number is a call forwarding designated terminal phone number or a call forwarding target terminal phone number; And if the called number is a call forwarding designated terminal phone number as a result of the inspection, the subscriber information management system instructs the originating exchange to set up a call to the call forwarding target terminal [call forwarding command] to accept the call forwarding target terminal. Instructs the called terminal to transmit a call forwarding designated terminal phone number when paging is performed according to the call connection during the outgoing exchange period. If the called number is a call forwarding target phone number, the subscriber information management system calls the incoming call. And instructing the called terminal to receive the switch target terminal to transmit the call forward target terminal telephone number when paging is performed according to the call connection in the outgoing exchange period.

On the other hand, the present invention is specified from the originating exchange in a state in which the call forwarding target terminal phone number and the call forwarding designated terminal phone number are registered and registered in the subscriber information management system (HLR) connected to the mobile communication network. Receiving a terminal location inquiry request corresponding to the called number and inquiring the service subscription details of the called party corresponding to the called number; A function of checking whether the called number is a call forwarding designated terminal phone number or a call forwarding target terminal phone number when the called party is the service subscriber as a result of the service subscription item inquiry; And if the called number is a call forwarding designated terminal phone number as a result of the check, instructing the calling exchange to set up a call to a call forwarding target terminal [call forwarding execution command] to the called terminal that accepts the call forwarding target terminal. When the paging is performed according to the call connection of the period, it is instructed to transmit the call forwarding designation terminal phone number. A computer-readable recording medium having a program recorded thereon for realizing a function of instructing a call forwarding target terminal telephone number to be transmitted when paging is performed in accordance with a period of call connection.

Hereinafter, a preferred embodiment according to the present invention will be described in detail with reference to FIGS. 1, 2A, and 2B, and the present invention will be briefly described before the detailed description of the present invention. In the present invention, when a caller directly receives a call to his terminal (telephone number: MIN1) and a call to a call forwarding designated terminal (telephone number: MIN2) is forwarded to a call, the recipient can recognize each. It is characterized by providing a service for the purpose, such a service is defined as "a general call number and a call number distinguishing service by call forwarding". Of course, such a called party will be readily understood by those skilled in the art that it is a known "call forwarding service subscriber".

1 is a configuration diagram of an embodiment of a communication system to which the present invention is applied.

In the figure, a public switched telephone network (PSTN) 101 refers to a telephone network which is connected when a telephone is dialed in a general telephone and provides a service through interworking with a general telephone service and another network.

Cellular Gateway System (CGS) (hereinafter, simply referred to as "CGS") 102 is a mobile telephone gateway switch, which is dedicated to interworking with other networks in a mobile telephone network and connects telephones.

An outgoing Mobile Switching Center (MSC) (hereinafter referred to simply as " originating MSC ") 103 and an incoming mobile telephone exchange (hereinafter referred to simply as " called MSC ") 104 are used to locate resources in the mobile telephone network. Use it to connect the caller and the called party.

Home Location Register (HLR) (hereinafter referred to simply as "HLR") 105, 107 is a home location register and is a subscriber information management system of a mobile telephone network. Information, etc.).

A signal transfer part (STP) (hereinafter simply referred to as "STP") 106 is a system that is responsible for signal transmission between mobile telephone systems.

A mobile identification number (MIN) is a mobile number assigned to a subscriber as a mobile number.

Figure 2a is a flow chart of an embodiment of a method for providing a caller ID distinguishing service by a general caller ID and call forwarding when the caller calls the called party's terminal (phone number: MIN1) according to the present invention, Figure 2b When a caller according to the present invention calls a call forwarding designation terminal (telephone number: MIN2) of a caller, a flowchart of a method for providing a service for distinguishing a caller ID by a general caller ID and call forwarding is shown.

The forwarding designated number (MIN1) (hereinafter, simply referred to as "MIN1") is a number forwarded by the forwarding service and refers to the original destination number of the receiving terminal. Such a terminal is called a "call forwarding target terminal".

A number MIN2 (hereinafter, simply referred to as "MIN2") to which a call forwarding is designated is a number to be forwarded by a call forwarding service. When a call is made to MIN2, the call forwarding is performed to the receiving terminal of MIN1. Such a terminal is called a "call forwarding designation terminal".

A subscriber who wishes to receive the service according to the present invention moves this "general called number and called number distinguishing service by call forwarding" (also called "called number display service", hereinafter called "called number display service"). Sign up for the telephone company. In addition, it is preferable that subscribers of the called number distinguishing service provided by the present invention subscribe to the known forwarding service at the same time as the subscription or to the present service after subscribing to the forwarding service.

For the customer who subscribed to the service, the mobile telephone operator records that the subscriber number indication service is subscribed to the HLR 105 for MIN1 and MIN2. Also, the MLR records the MIN1 information and the call forwarding in the HLR of the MIN2.

As described above, a call as shown in FIGS. 2A and 2B provides a "called number display service" function for a call received at a telephone number subscribed to a "called number display service".

First, as shown in FIG. 2A, a case of attempting to call the designated call forwarding designated number (MIN1) will be described.

The CGS 102 or the MSC 103 receiving the initial call connects to the MIN1 accommodating HLR1 105 and requests the incoming call subscriber information and the location information (211).

The HLR1 105 queries the destination MSC 104 in which the MIN1 is registered to confirm the location information (212). In this case, when the MIN1 is a subscriber of the "call number display service", the terminal MSC (MIN1) is called. 104, and transmits the confirmed location information to the calling CGS (102) or MSC (103) receiving the outgoing call (213, 214).

The CGS 102 or the MSC 103 checks the location information and requests a telephone connection to the destination MSC 104 in charge of the location (215).

The incoming MSC 104 receiving the call connection request connects to the corresponding base station in charge of the called number, paging the called terminal, and transmits the terminal indication number MIN1 already received from the HLR1 105 to the terminal (216). .

The called terminal rings a predetermined ring in response to the paging and displays the terminal display number (call forwarding designation number (MIN1)) transmitted from the base station so that the subscriber can know whether a call is made to MIN1 ( 216).

Next, as shown in FIG. 2B, a case in which call forwarding attempts to call a designated number MIN2 will be described.

The CGS 102 or the MSC 103 receiving the call inquires MIN2 information of the MIN2 receiving HLR2 107 (221).

When the HLR2 107 is subscribed to the "calling number display service", the CGS 102 or the MSC 103 which receives the call of the MIN1 and the terminal indication number MIN2 to be displayed on the terminal and the call forwarding are specified. To 222.

CGS (102) or MSC (103) confirming the information of the MIN2 requests the confirmation of the subscriber information and location information to the corresponding HLR1 (105) for MIN1, the number of the call forwarding specified for the MIN2, the terminal display number to be displayed on the terminal Pass (MIN2) (223).

The corresponding HLR1 105 receives the inquiry request of MIN1 to query the incoming MSC 104 where MIN1 is located to check the location information. In this case, if the MIN1 is a "caller ID service" subscriber, the terminal display to be displayed on the terminal is displayed. The number MIN2 is transmitted to the destination MSC 104 (224), and the location information of the identified MIN1 is transmitted to the CGS 102 or the MSC 103 which has received the outgoing call (225, 226).

The CGS 102 or MSC 103 receiving the location information of MIN1 makes a call connection request to the corresponding destination MSC 104 (227), and the destination MSC 104 receiving the request is responsible for the called number. It connects to the base station and paging the called terminal and transmits the terminal indication number (MIN2) already received from the HLR1 105 to the terminal (228).

The called terminal rings a predetermined ring in response to paging and displays the terminal indication number (MIN2) transmitted from the base station so that the subscriber can know whether a call is made to the MIN2 (228).

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains, and the above-described embodiments and accompanying It is not limited to the drawing.

As described above, the present invention distinguishes and displays the incoming call from the terminal's original phone number and the forwarded phone number in one terminal, so that a person possessing the terminal for business does not purchase an additional terminal. In addition to allowing users to call for additional numbers of use, there is an excellent effect that can provide a variety of services, such as giving a dedicated phone number to lovers or special friends in the young people in their 20s.

Claims (7)

In the mobile communication network, a method for providing a service for distinguishing a called number by a general called number and call forwarding, In the state where the call forwarding target terminal telephone number and the call forwarding designated terminal telephone number are matched and stored in the service subscriber information registered in the subscriber information management system (HLR), When the calling exchange receives a call connection request corresponding to a specific called number from the calling terminal, requesting a location inquiry from a subscriber information management system that accepts a terminal corresponding to the called number; Inquiring, by the subscriber information management system, the subscriber's subscription to the service corresponding to the called number according to the location inquiry request; When the called party is the service subscriber as a result of the service subscription item inquiry, checking, by the subscriber information management system, whether the called number is a call forwarding designated terminal phone number or a call forwarding target terminal phone number; And If the called number is a call forwarding designated terminal phone number as a result of the check, the subscriber information management system instructs the outgoing exchange to set up a call to the call forwarding target terminal [call forwarding execution instruction] to accept the call forwarding target terminal. Instruct the terminal to transmit the call forwarding designation terminal phone number when paging is performed according to the call connection in the outgoing exchange period. If the called number is the call forwarding target phone number, the subscriber information management system transfers the call forwarding. Instructing the called terminal which accepts the target terminal to transmit the call forwarding target terminal telephone number when paging is performed according to the call connection in the outgoing exchange period. In the mobile communication network comprising a general called number and the called party identification service by the call transfer method. The method of claim 1, In the call forwarding target terminal phone number and the call forwarding designated terminal phone number matching, at least one call forwarding designated terminal phone number is matched to one call forwarding target terminal phone number in the mobile communication network, characterized in that Method for providing a service called number distinction by number and call forwarding. The method of claim 2, In the call forwarding target terminal, when a phone number is received through paging from a call exchanger, the call forwarding number and the call forward number by the call forwarding are performed in the mobile communication network. How to Provide Distinct Services. The method of claim 2, In the call forwarding target terminal, when a phone number is received through paging from a call exchanger, a process of outputting a preset ring tone to the terminal itself is performed for the received call number. Method for providing a called number distinguishing service by the call forwarding. The method of claim 2, In the call forwarding target terminal, when a phone number is received through paging from the destination exchange, a process of outputting a preset ring tone to the terminal itself and displaying the received phone number on the received phone number is performed. A method for providing a service for distinguishing a called number by a general called number and a call forwarding in a mobile communication network. delete In the subscriber information management system (HLR) connected to the mobile communication network, In the state where the call forwarding target terminal phone number and the call forwarding designated terminal phone number are matched and registered in the service subscriber information, Receiving a terminal location inquiry request corresponding to a specific called number from an originating exchange to query the service subscription of the called party corresponding to the called number; A function of checking whether the called number is a call forwarding designated terminal phone number or a call forwarding target terminal phone number when the called party is the service subscriber as a result of the service subscription item inquiry; And If the called number is a call forwarding designated terminal phone number as a result of the check, the calling exchange is instructed to set up a call to a call forwarding target terminal [call forwarding execution command] to the called terminal that accepts the call forwarding target terminal. When the paging is performed according to the call connection, the call forwarding designated terminal phone number is transmitted, and if the called number is the call forwarding target phone number as a result of the test, the call forwarding period is sent to the called terminal that accepts the call forwarding target terminal. To send a call forwarding target phone number when paging by call connection A computer-readable recording medium having recorded thereon a program for realizing this.

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