KR100743837B1 - Method of termination subscriber's service control - Google Patents

Abstract

The present invention relates to a method for controlling an incoming subscriber service.

A method for controlling a called party service according to the present invention includes the steps of transmitting service characteristic information to a calling exchange in a called HLR; And controlling the service of the called subscriber according to the service characteristic information at the originating exchange.

TSFI, Home Locator, Switchboard, Control

Description

How to control incoming subscriber service {METHOD OF TERMINATION SUBSCRIBER'S SERVICE CONTROL}

1 shows a schematic diagram of a general mobile communication system according to an embodiment of the present invention.

2 is a signal flowchart illustrating a method for providing additional service according to another embodiment of the present invention.

3 is a signal flow diagram of a method for controlling an additional service of a called subscriber at an originating exchange according to another embodiment of the present invention.

4A to 4C illustrate an incoming service characteristic information (T_SFI) parameter for providing an additional service according to another embodiment of the present invention.

The present invention relates to a method of controlling an additional service in a mobile communication system, and more particularly, to a method of controlling an additional service of a called subscriber at an originating exchange.

It can be said that the difference between a mobile communication network and a fixed communication network is in subscriber mobility. Mobility should be able to grasp subscriber's location movement from network node. The function is performed by the Home Location Register (hereinafter referred to as 'HLR'). In addition, the HLR manages the service registered by the subscriber and delivers the service registered by the subscriber to the exchange to perform the service.

For all services defined in the general specification, the calling subscriber service is controlled by the calling exchanger and the signaling message in the HLR to which the calling party belongs, and the called subscriber service is controlled by the signaling message exchange with the called exchange in the called HLR.

However, as the types of services provided to subscriber terminals are diversified, it is necessary to perform additional service control of the originating subscriber in the destination HLR in consideration of the relationship between the originating subscriber and the terminating subscriber service. This patent application No. 2005-81967 discloses a technique for controlling a supplementary service of an outgoing subscriber in an incoming HLR.

When the calling subscriber-based service can handle the calling HLR by using the O_SFI, the technology can give a signaling message by passing the service control right from the calling HLR to the called HLR, but the calling subscriber service that should be controlled by the calling exchange is called. It cannot be delivered to the HLR.

In addition, as the service becomes more complex, there is a case where the originating exchange must recognize and perform the service state of the called party.

Accordingly, the present invention has been made to solve the problems of the prior art, and when the service control right is in the originating exchange, collecting information about the service of the called subscriber and taking into account the service correlation, the normality of the service through the call processing process Its purpose is to allow the operation to be performed.

A method for controlling a called party service according to the present invention includes the steps of transmitting service characteristic information to a calling exchange in a called HLR; And controlling the service of the called subscriber according to the service characteristic information at the originating exchange.

A system for controlling a service of a called subscriber by using called subscriber service characteristic information (TSFI) according to the present invention generates service characteristic information of the called subscriber and transmits the service characteristic information in a call processing message to an originating exchange. Incoming HLR; And an originating exchange that controls the service of the called subscriber according to the service characteristic information.

The call processing message according to the present invention is characterized in that the response message according to the called party's location query request message from the originating exchange.

The called party service control system according to the present invention is characterized in that the calling party exchange function analyzes the outgoing subscriber service characteristic information received from the calling HLR by comparing the service characteristic information of the called subscriber.

The recipient subscriber service control system according to the present invention is characterized in that the recipient HLR stores additional service information of the called subscriber and generates called subscriber service characteristic information based on the additional service information of the called subscriber.

The called subscriber service characteristic information according to the present invention may include length information indicating a data length of transmission information; Tag information indicating that transmission information transmitted afterwards is activation information for an additional service; And activation information (Feature Activity) indicating whether to activate each of the additional services.

Details and improvements of the invention are disclosed in the dependent claims.

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

1 shows a schematic diagram of a general mobile communication system according to an embodiment of the present invention.

Referring to FIG. 1, the mobile phone system includes a plurality of base station transceiver subsystems (BTSs) 6 1 .. 6y wirelessly communicating with a mobile phone located in a sector allocated in sectors. ; A plurality of base station controllers (BSCs) 51... 5x for controlling the base stations; A plurality of mobile switching centers (MSCs) 3 1 .. 3n connected to the base station controller to exchange requested call signals; A plurality of Visitor Location Registers (VLRs) 4 1 .. 4n for temporarily storing the location and subscriber information of the mobile terminal located in the communication area of the exchange; A plurality of home location registers (HLRs) connected to the switch and the switching network 2 to store and manage subscriber information, subscriber-added service information, and mobile terminal location information subscribed to a mobile phone service. .1k); And a plurality of supplementary service nodes (71..7z) that are connected to the switching network and provide various supplementary services, wherein the plurality of supplementary service nodes (7 1 ..7z) provide a short message service. Short Message Service Center (SMSC) 7 1, Billing Data System (BSS) 7 2 for collecting and storing billing data, or voice message system providing voice announcement service ( It includes a plurality of servers and systems that provide various additional services such as VMS: Voice Message System (7z).

2 is a signal flowchart illustrating a method for providing additional service according to another embodiment of the present invention.

Referring to FIG. 2, the location information of the mobile terminal is registered with the visitor location register (VLR) of the switching center (MSC) in accordance with the movement of the subscriber carrying the mobile terminal. Hereinafter, the base station (BTS) and the base station controller ( BSC) is collectively referred to as a base station (BS) of a higher concept, and the additional service providing method will be described in detail.

First, when a subscriber carrying a mobile terminal moves to a communication area managed by an arbitrary base station, the base station BS transmits the location information of the mobile terminal detected through wireless communication with the mobile terminal. It is transmitted to the exchange 210 is connected to. Accordingly, the switch 210 transmits a location registration request signal (RegNot: Registration Notification) requesting registration of location information of the mobile terminal 200 to the home location register 220 that manages subscriber information of the mobile terminal. The home location register 220 receiving the location registration request signal RegNot is a database storing subscriber information of the mobile terminal, for example, location information which is an identification number of the exchange 210. Search for and transmitting a registration cancellation (RegCan: Registration Cancellation) signal of the mobile terminal to an exchange and a visitor location register that manage the communication area where the subscriber of the mobile terminal was previously located, RegCan) causes the corresponding exchange and visitor location register to delete all information of the subscriber, and location information indicating the deletion. When receiving a registration cancellation return (regcan) signal, the home location register 220 updates and stores new location information of the mobile terminal in a database, and then registers a location registration request signal for notifying update storage. : Registration Notification Return Result) is transmitted to the corresponding exchange and visitor location register that manages the communication area of the mobile terminal 200, wherein additional service information for the subscriber of the mobile terminal 200 registered location, that is, additional service Subscription and activation information will be sent together.

Accordingly, the switch 210 receiving the location registration response signal regnot stores and manages additional service subscription and activation information for the subscriber of the mobile terminal.

Then, when a dial digit (Dial Digit) is received from the mobile terminal via the base station (BS) is received, it is determined based on the station data set in the exchange based on the processing, the dial digit in advance to provide a specific additional service In the case of a feature code defined as, the device determines the additional service request for each special code, and transmits a corresponding message including information identifying the corresponding additional service and its contents to the home location register 220, and accordingly Routing information with the corresponding service node received from the home location register 220, for example, a specific server that provides various additional services, such as a voice message system (VMS) 7z that provides a voice announcement message service or The call connection with the system is performed and processed so that the requested additional service is provided.

As such, in the general mobile telephone system, particularly, the switching center (MSC), the subscriber service and the additional service subscription / activation information stored and managed in the home location register (HLR) are received and requested, so that the additional service requested from the mobile terminal can be provided. In order to perform the call connection with the service node that provides the supplementary service, or to provide a series of supplementary services for updating the supplementary service activation information set in the home location register.

3 is a signal flow diagram of a method for controlling an additional service of a called subscriber at an originating exchange according to another embodiment of the present invention.

Referring to FIG. 3, a location registration request signal is first transmitted from a mobile terminal to an originating exchange 300, and the originating exchange 300 transmits a location registration request message (RegistrationNotification) to the originating HLR 310. The originating HLR 310 transmits a detailed information request message (QualificationDirective Invoke), a location registration response message (RegistrationNotification ReturnResult), or a detailed information response message (QualificationRequest ReturnResult) to the originating exchange 300.

Subsequently, a dial digit is input from the mobile terminal, and the originating exchange 300 transmits a called location request request message (LocationRequest Invoke) to the called HLR 320. The destination HLR 320 sends a routing request message to the destination exchange 330 and queries the routing number. Subsequently, the destination exchange 330 transmits a temporary local directory number (TLDN) to the destination HLR 320.

The destination HRL 320 transmits a response message corresponding to the location lookup request message, and includes terminating subscriber service feature indicator (TSFI) corresponding to additional service information of the called subscriber in the response message. To transmit to the originating exchange 300. In addition, the receiver HLR 320 optionally stores service information of the called subscriber and generates called subscriber service characteristic information (T_SFI) according to the service information.

The originating exchange 300 analyzes the called subscriber service characteristic information and controls the service according to the association with the caller service.

4A to 4C illustrate service characteristic information parameters for providing an additional service according to another embodiment of the present invention.

4A to 4C, the Termination Service Feature Indicator includes length information indicating a data length of transmission information; Tag information indicating that transmission information transmitted afterwards is activation information for an additional service; And activation information (feature activity) indicating whether to activate each additional service.

As shown in the figure, the activation information makes it possible to identify whether the activation for each of the additional services allocated to 2 bits in four states.

That is, each supplementary service is not provided ('00'), "not set ('01')", "set but not activated ('10')", "set and activated ( "11 ')" is activation information for identification. For example, two-bit activation of the CRBT service (Color Ring Back Tone, also known as coloring service), which is an additional service that listens to various sounds or music instead of ringing tone when calling a mobile subscriber from a mobile phone or a regular phone. If the information is set to '11', it is possible to identify that the CRBT service is set and activated.

Although described above based on the preferred embodiment of the present invention, those skilled in the art will understand that it can be carried out in other specific forms without changing the technical spirit or essential features of the technical field to which the present invention belongs. Therefore, the embodiments described above are to be understood as illustrative in all respects and not as restrictive. The scope of the present invention is defined by the appended claims rather than the foregoing description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention. do.

By using the method of controlling the calling subscriber service according to the present invention, the service information of the called subscriber is recognized by the calling exchange, so that the service can be controlled in consideration of the relationship with the calling subscriber service.

In addition, since the service can be controlled by considering the relationship between the calling subscriber and the called subscriber service, it can provide many opportunities in developing additional services.

Claims (14)

A method of controlling a service of a called subscriber by using called subscriber service characteristic information (TSFI), (a) at the destination HLR, the service characteristic information is transmitted to an originating exchange; And (b) controlling the service of the called subscriber according to the service characteristic information at the calling exchange. The method of claim 1, wherein in step (a), And the service characteristic information is included in a call processing message and transmitted to the originating exchange. The method of claim 2, wherein in step (a), And the call processing message is a response message according to a called party location request request message at the originating exchange. The method according to claim 1 or 2, wherein before step (a), (a0) further comprising the step of generating service characteristic information of the called subscriber in the called HLR. The method of claim 1 or 2, wherein after step (a): and (a1) analyzing the service characteristic information received from the originating exchange. The method of claim 1 or 2, wherein after step (a): and (a1) comparing the calling subscriber service characteristic information received from the calling HLR by the calling exchanger with the service characteristic information of the called subscriber. The method according to claim 1 or 2, wherein before step (a), (a0) further comprising the step of storing the additional service information of the called subscriber in the called HLR. The method of claim 7, wherein in step (a), And receiving subscriber service characteristic information is generated based on the additional service information of the called subscriber. The method of claim 1 or 2, wherein the called party service characteristic information is Length information indicating a data length of transmission information; Tag information indicating that transmission information transmitted afterwards is activation information for an additional service; And activation information (Feature Activity) indicating whether to activate each of the additional services. A system for controlling a service of a called subscriber by using called subscriber service characteristic information (TSFI), An incoming HLR for generating service characteristic information of the called subscriber and including the service characteristic information in a call processing message to an originating exchange; And And an originating exchange that controls the service of the called subscriber according to the service characteristic information. The method of claim 10, wherein the call processing message, And a response message according to the called subscriber location inquiry request message at the calling exchange. The method of claim 10 or 11, And terminating subscriber service characteristic information received from the originating HLR by the originating exchanger and analyzing the characteristic characteristics of the called subscriber. The method of claim 10 or 11, And storing the additional service information of the called subscriber in the called HLR and generating the called subscriber service characteristic information based on the additional service information of the called subscriber. The method of claim 10 or 11, wherein the called party service characteristic information is Length information indicating a data length of transmission information; Tag information indicating that transmission information transmitted afterwards is activation information for an additional service; And activation information (Feature Activity) indicating whether to activate each of the additional services.

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