KR20040002705A - System for interworking intelligent network service with oversea incoming call and method therefor - Google Patents

Abstract

PURPOSE: An intelligent network service interworking system for a foreign origination call and a method therefor are provided to activate a domestic intelligent network service according to routing information of an origination call inputted from a foreign country to a domestic country, convert information of an origination country according to the characteristic of each service, and offer the domestic intelligent network service. CONSTITUTION: A foreign gateway office exchange(20) analyzes routing information provided through a foreign PSTN(Public Switched Telephone Network)(10), and transmits corresponding routing information to a company of a corresponding country. A service switching exchange(30) stores routing information provided from the foreign gateway office exchange(20), and requests an intelligent network interworking service. A service control exchange(40) processes object country and company information as re-routing information among routing information provided from the service switching exchange(30), and activates an intelligent network service according to processed re-routing information.

Description

System for interworking intelligent network service with oversea incoming call and method therefor}

The present invention relates to a system and method for interworking with an intelligent network service for an outgoing call, and in particular, an intelligent network service for an overseas outgoing call that enables an international clover service to interoperate with a domestic intelligent network service so that a domestic intelligent network service can be used even in a country where no calling number is sent. An interworking system and method are disclosed.

In general, a call originating from abroad and introduced into the country cannot provide a source information service required by an additional and intelligent network service provided in the country unless the calling party provides a calling number.

That is, the conventional international clover service provides routing information in the form of XXX-YYY-ZZZZZ. Among these, XXX information is used as a corresponding operator identification information, YYY information is used as a calling station and a carrier identification number, and ZZZZZ is used as a fixed subscriber number of an international clover service that cannot be modified.

However, such a conventional international clover service generally uses a domestic communication service according to an outgoing call originating from abroad, so traffic is introduced in a form in which a foreign caller who uses an outgoing call pays a fee. Localized. Therefore, since the originating number is not provided to the other station for traffic between countries, there is a problem in that an intelligent network service in which charges are differentially applied to an additional service or a general telephone service is not provided.

Of course, between countries using the common line signaling system provides mutual calling numbers, but there is a period in which there is a period for which a universal communication service must be provided and a country not providing calling numbers cannot provide a common service.

Therefore, when a customer wants to use a domestic communication service using an outgoing call originating from abroad, the service available to the customer is limited to a one-way incoming service because the overseas caller has to pay a fee. Accordingly, there is a problem that it is impossible to link to an additional service or an intelligent network service for an overseas call.

The present invention was created to solve the above problems, and has the following object.

First, it aims to activate domestic intelligent network service according to routing information of outgoing calls from overseas and convert the information of originating station according to the characteristics of each service to provide domestic intelligent network service.

Second, it extracts the data path information of the partner company by converting the routing information according to the calling signal into SI-YYY-TI format, and provides the announcement service for each partner company and subscriber by activating the intelligent network service according to the extracted data path information. The purpose is to make it.

Third, collect and process additional information from overseas subscribers through the announcement broadcasting equipment, and provide corresponding domestic life information services according to the characteristics of the service selected by the subscriber through the partner company information, data path information and subscriber information obtained. Its purpose is to.

1 is a block diagram of an intelligent network service interworking system for overseas calls according to the present invention.

FIG. 2 is a detailed configuration diagram of the service control switch of FIG. 1 according to the first embodiment of the present invention. FIG.

3 is a flowchart of a method for interworking with an intelligent network service for an outgoing call according to a first embodiment of the present invention.

4 is a detailed configuration diagram of the service switching exchange of FIG. 1 according to the second embodiment of the present invention.

5 is a detailed block diagram of the service control switch of FIG. 1 according to the second embodiment of the present invention;

6 is a flowchart of an intelligent network service interworking method for an overseas call according to a second embodiment of the present invention;

7 is a flowchart of a method for interworking with an intelligent network service for an overseas call according to a third embodiment of the present invention.

8 is a flow chart when providing life information service according to the third embodiment of the present invention.

The intelligent network service interworking system for the outgoing call of the present invention for achieving the above object, the overseas gateway station for analyzing the routing information authorized through the overseas public circuit switched telephone network to transmit the routing information corresponding to the operator of the country concerned It stores the routing information authorized from the exchange, the gateway of the foreign gateway, and processes the other country and operator information among the routing information authorized from the service switching exchange and the service switching exchange requesting the intelligent network interworking service into rerouting information. And a service control switch for activating the intelligent network service according to the rerouting information.

In addition, the present invention is an overseas gateway exchanger for transmitting routing information corresponding to the operator of the country by analyzing the routing information authorized through the overseas public circuit switched telephone network; A service switching exchange for storing routing information authorized from an overseas gateway exchange and requesting an intelligent network interworking service; And converting the routing information applied from the service switching exchange into routing information for the announcement service, designating the routing data path of the announcement service according to the partner country, the operator information, and the subscriber collection information, and converting the routing information to the converted rerouting information. Accordingly, it characterized in that it comprises a service control switch for activating the announcement service per subscriber.

In addition, the intelligent network service interworking method for the outgoing call of the present invention, the first step of analyzing the routing information connected to the user to send the routing information corresponding to the operator of the country, and the corresponding country and Intelligent network service according to the second step of extracting the operator information and requesting the intelligent network service interworking, and the third step of processing the counterpart country and the operator information from the routing information into the rerouting information according to the intelligent network service interworking request. And a fourth step of activating interworking with the.

In addition, the present invention comprises a first step of transmitting routing information corresponding to operators and subscribers of the country by analyzing the routing information accessed by the user; A second step of extracting corresponding country and operator information from the transmitted routing information and requesting an intelligent network service interworking for international clover service processing; A third step of processing the partner country, operator information, and subscriber information from the routing information into rerouting information according to the intelligent network service interworking request and requesting service processing with the rerouting information converted; A fourth step of activating an announcement service linked with the intelligent network service according to the converted rerouting information, and collecting digit information answered from the subscriber by the activated announcement service; And a fifth step of activating the subscriber broadcasting service linked with the intelligent network service according to the call data processing the rerouting information and the digit information.

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

1 is a block diagram of an intelligent network service interworking system for outgoing calls according to the present invention.

The present invention relates to an overseas PSTN (Public Switched Telephone Network; Public Switched Telephone Network; 10), an overseas gateway switching center (20), a service switching switch (SSP), a service control switch (SCP); 40) and a service database (SDP).

Here, the overseas gateway office exchange 20 receives a routing number from the user through the overseas PSTN (10). The service switching exchange 30 analyzes the routing information applied from the foreign gateway gateway 20 and requests the service control switch 40 to process the service. The service control switch 40 activates the intelligent network service according to the routing information applied from the service switching switch 30.

In addition, the service database 55 stores the processing result of the service control exchange 40. The plurality of local exchanges 70 are each connected to the service switching exchange 30 through the common line signal network 60. The plurality of subscriber telephones 80 are connected one-to-one with the plurality of local exchanges 70.

In addition, the service switching exchange 30 is connected to the plurality of life information service call centers 90 through the common line signal network 60. The plurality of living information service call centers 90 are connected to the corresponding switch of the living information service 100 through the service information selected by the subscriber. The plurality of life information service call centers 90 are connected one-to-one with the plurality of life information service exchangers 100.

The present invention having such a configuration has three embodiments depending on the functions of the service switching exchange 30 and the service control exchange 40.

The first embodiment of the present invention activates the domestic intelligent network service according to the routing information of the outgoing signal flowing into the country from abroad.

The second embodiment of the present invention converts routing information into a Service Indicator (SI) -YYY-TI (Termination Indicator) format and activates an intelligent network service according to data path information of a counterpart operator, thereby enabling each partner operator and subscriber. Provide announcements.

In addition, the third embodiment of the present invention provides a domestic life information service by collecting and processing additional information of overseas subscribers obtained through the announcement broadcasting equipment.

First, the operation process of the first embodiment of the present invention described above will be described.

The service logic of the present invention is divided into a module for extracting counterpart country and operator information from input routing information, and a module for converting routing information and accessing additional and intelligent network services.

First, when a user attempts to make a call according to the access number for each country of the international clover service in the overseas calling country, the international clover service number is converted into the domestic service number routing information XXX-YYY-ZZZZZ through the overseas PSTN (10). To the foreign gateway switch 20.

In this routing information, XXX represents a corresponding operator and service identification number, YYY represents a calling station and operator identification number, and ZZZZZ represents a subscriber number. Among them, information necessary for accessing domestic additional and intelligent network services is XXX and YYY information. Therefore, the foreign gateway exchanger 20 analyzes XXX and YYY among the input routing information and extracts information of the partner country and the counter operator.

The extracted information is triggered by the service switching switch 30 and input to the service control switch 40, and the service control switch 40 provides domestic and overseas incoming service by activating additional and intelligent network services according to the authorized information. do.

2 is a detailed block diagram of the service control switch 40 according to the first embodiment of the present invention.

The service control switch 40 includes a routing data input unit 41, a data path designation unit 42, a data processing unit 43, a call data generation unit 44, a buffer 45, and an error processing unit 46. .

First, the routing data input unit 41 stores routing information when the routing information is input from the service switching switch 30, and defines a variable for storing the information obtained as a result of the processing. The data path designation unit 42 determines and separates a path of routing data to be processed, and separates a path of error data.

Then, the data processing unit 43 deletes the subscriber number ZZZZZ of the input routing information XXX-YYY-ZZZZZ, and processes the identification number between operators to generate a new XXX-YYY number from the first digit of X, Create a frame.

The call data generation unit 44 generates the data generated by the data processing unit 43 as call data, and stores the generated data in the buffer 45. In addition, the error processing unit 46 processes an error of data applied from the routing data input unit 41, the data path designation unit 42, and the data processing unit 43.

3 is a flowchart illustrating an intelligent network service interworking method for overseas originating signals according to a first embodiment of the present invention.

First, when a customer dials an access number of an international clover service, the customer is connected to an overseas operator, and the customer converts the dialed number into routing information and sends routing information to the corresponding operator.

Subsequently, the overseas gateway switch 20 analyzes the input routing information and transmits routing information corresponding to the service provider of the corresponding country to the service switching switch 30 (step 110).

Next, the service switching switch 30 analyzes the routing information transmitted from the foreign gateway gateway 20 and requests the service to the service control switch 40 to perform the international clover service processing indicated by XXX in the routing information. (Step 120)

Thereafter, the service control switch 40 activates the rerouting logic of the service control switch 40 with the approved routing information XXX-YYY-ZZZZZ, and the routing information XXX which is the result of the rerouting logic processing of the service control switch 40 is performed. -YYY is processed and sent to the service switching exchange 30 (step 130).

Subsequently, the service switching switch 30 requests the service control switch 40 to process the service to activate the intelligent network service with the rerouting information XXX-YYY transmitted (step 140).

Next, the service control switch 40 activates the intelligent network service according to the processing result of the rerouting logic transmitted from the service switching switch 30. Therefore, when the intelligent network service is activated, the billing information is generated in the service switching switch 30. The source information of the billing information is recorded with XXX-YYY information as a result of the rerouting process.

Thereafter, the service switching exchange 30 calls the local exchange 70 through the common line signaling network according to the service activation signal applied from the service control exchange 40. Then, if there is a response from the telephone subscriber 80 of the called party, the service switching exchange 30 sets up a call with the foreign gateway station 20.

On the other hand, the operation of the second embodiment of the present invention described above will be described.

The service logic of the present invention is a module for activating a service through the partner country and operator information, SI (Service Indicator) and TI (Termination Indicator) information from the input routing information and collecting digits from the subscriber through the announcement broadcasting device; It is divided into modules that access additional and intelligent network services by using information of other countries and operators and information collected through the announcement broadcasting device.

First, when a user attempts to make a call according to the access number for each country of the international clover service in the overseas calling country, the international clover service number is converted into the domestic service number routing information XXX-YYY-ZZZZZ through the overseas PSTN (10). To the foreign gateway switch 20.

Here, in the first embodiment of the present invention described above, access to domestic additional and intelligent network services is performed by using XXX and YYY information among routing information. In the second embodiment of the present invention, ZZZZZ information is additionally converted together with the above-described information. To access domestic additional and intelligent network services.

Accordingly, the foreign gateway switch 20 analyzes all the routing information XXX, YYY, and ZZZZZ inputted to activate the announcement service for each subscriber and transmits it to the service switching exchange 30.

The service switching switch 30 requests the service control switch 40 to process the service in order to activate the international clover service according to the transmitted routing information. The service control switch 40 converts the routing information transmitted to activate the predefined service into the SI-YYY-TI format and transmits it to the service switching switch 30.

The service switching switch 30 requests service processing to the service control switch 40 using routing information of SI-YYY-TI format. The service control switch 40 designates a data path through TI information among routing information. The announcement broadcasting apparatus is operated to transmit the announcement broadcast to the subscriber through the designated data path, and collect digits from the subscriber as a result of the announcement announcement. Accordingly, the digit information collected in the routing information of the SI-YYY-TI format is additionally processed to provide domestic and intelligent network services to subscribers.

4 is a detailed block diagram of the service switching exchange 30 according to the second embodiment of the present invention.

The service switching exchange 30 includes a routing data input unit 31, a routing data conversion unit 32, and a service activation unit 33.

The routing data input unit 31 transmits the routing information of the XXX-YYY-ZZZZZ format authorized from the foreign gateway gateway 20 to the service control switch 40 to process the international clover service. The routing data conversion unit 32 converts the service processing result from the service control switch 40 into routing information in SI-YYY-TI format. The service activation unit 33 requests service processing to the service control switch 40 using the routing information of the SI-YYY-TI format applied from the routing data conversion unit 32.

Here, the routing information applied from the foreign gateway gateway 20 is in the format of XXX-YYY-ZZZZZ. XXX represents the identification information of the service provider using the international clover service. YYY represents the calling country and the operator identification number, and ZZZZZ represents subscriber information.

The routing data conversion unit 32 converts routing information in the XXX-YYY-ZZZZZ format applied from the routing data input unit 31 into routing information in the SI (Service Indicator) -YYY-TI (Termination Indicator) format. Here, the SI represents information for using an announcement service distinguished from the existing international clover service. And, YYY represents the calling country and the carrier identification number. In addition, TI indicates information for selecting an announcement service by specifying a path of routing data to be processed.

5 is a detailed block diagram of the service control switch 40 according to the second embodiment of the present invention.

The service control switch 40 includes a data path designation unit 47, an announcement broadcasting control unit 48, a subscriber input data collection unit 49, a data processing unit 50, a call data generation unit 51, and a buffer 52. And an error processing unit 53.

First, when service activation is requested from the service switching switch 30, the data path designation unit 47 designates a data path for selecting an announcement service corresponding to the converted routing information SI-YYY-TI. The announcement broadcast control unit 48 operates a preset announcement device and outputs data for transmitting the announcement to the subscriber. In addition, the subscriber input data collecting unit 49 collects the subscriber's response digits obtained according to the announcement output of the announcement broadcast control unit 48.

The data processing unit 50 further processes the input routing information in SI-YYY-TI format and the subscriber collection information DDDDD obtained from the subscriber input data collection unit 49. Accordingly, routing information of a new SI-YYY-TI-DDDDD format for service interworking is generated to generate a frame of call data.

The call data generation unit 51 generates the data generated by the data processing unit 50 as call data, and stores the generated data in the buffer 52. In addition, the error processing unit 53 processes an error of data applied from the data path designation unit 47, the announcement broadcast control unit 48, and the call data generation unit 51.

6 is a flowchart of a method for interworking with an intelligent network service for an overseas call according to a second embodiment of the present invention.

First, when a customer dials the access number of the international clover service, the customer is connected to an overseas operator, and the customer converts the dialed number into routing information and sends routing information to the corresponding operator.

Subsequently, the foreign gateway switch 20 analyzes the input routing information and transmits the routing information to the service switching switch 30 capable of processing the international clover service.

Next, the service switching switch 30 analyzes the routing information transmitted from the foreign gateway gateway 20 and requests the service control switch 40 to perform the service processing of the international clover service indicated by XXX in the routing information. (Step 220)

Thereafter, the service control switch 40 activates the international clover service logic according to the authorized routing information XXX-YYY-ZZZZZ, and converts the routing information into the SI-YYY-TI format to receive a call for activating the predefined service. Information is sent to the service switching exchange 30 (step 230).

Subsequently, the service switching switch 30 requests the service control switch 40 to process the service in order to activate the announcement service according to the converted routing information SI-YYY-TI.

Next, the service control switch 40 activates the service logic according to the routing information of the SI-YYY-TI format transmitted from the service switching switch 30, and designates a data path for selecting the corresponding announcement. Here, the announcement broadcasting control unit 48 transmits the announcement to the subscriber through the designated path, and the subscriber input data collecting unit 49 collects the subscriber response digit (DDDDD) obtained as a result of the announcement of the announcement (step 250). )

Thereafter, the service control switch 40 generates a call data frame using the routing information SI-YYY-TI and the response digit (DDDDD) collected from the subscriber according to the processing result of the service logic (step 260).

Next, the service control switch 40 activates the domestic intelligent network service using the call data frame generated according to the processing result of the service logic. (Step 270) Therefore, when the intelligent network service is activated, the service switching switch 30 at the service switching switch 30 is activated. The billing information is generated. The source information of the billing information is recorded with the routing information SI-YYY-TI and the response digit (DDDDD) information collected from the subscriber.

Thereafter, the service switching exchange 30 calls the local exchange 70 through the common line signaling network according to the service activation signal applied from the service control exchange 40. If there is a response from the telephone subscriber 80 of the called party, the service switching exchange 30 establishes a call with the foreign gateway gateway 20.

According to the second embodiment of the present invention, since source information and digit information collected from subscribers are provided according to the conversion of routing information, interworking with the intelligent network system of a third party provider is possible, and the announcement is broadcasted in real time through a guide broadcasting device. And collects digits from subscribers to enable various announcement services.

On the other hand, Figure 7 is a flow chart of the intelligent network service interworking method for the outbound call according to a third embodiment of the present invention.

First, when a customer dials an access number of an international clover service, the customer is connected to an overseas operator, and the customer converts the dialed number into routing information and sends routing information to the corresponding operator (step 300).

Subsequently, the overseas gateway switch 20 analyzes the input routing information and transmits the routing information to the service switching switch 30 capable of processing the international clover service.

Next, the service switching switch 30 analyzes the routing information transmitted from the foreign gateway gateway 20 and requests the service control switch 40 to perform the service processing of the international clover service indicated by XXX in the routing information. (Step 320)

Thereafter, the service control switch 40 activates the international clover service logic according to the authorized routing information XXX-YYY-ZZZZZ, and converts the routing information into the SI-YYY-TI format to receive a call for activating the predefined service. Information is sent to the service switching exchange 30 (step 330).

Subsequently, the service switching switch 30 requests the service control switch 40 to process the service in order to activate the announcement for each living information service according to the converted routing information SI-YYY-TI (step 340).

Next, the service control switch 40 activates the service logic in accordance with the routing information of the SI-YYY-TI format transmitted from the service switching switch 30, and establishes a data path for selecting a corresponding broadcast for each living information. Specify. Here, the announcement broadcasting control unit 48 transmits the main information broadcasting service to the subscriber through the designated path, and the subscriber input data collecting unit 49 receives the subscriber response digit (DDDDD) obtained as a result of the transmission of the living information service announcement broadcasting. Collect (Step 350).

Thereafter, the service control switch 40 generates a call data frame using the routing information SI-YYY-TI and the response digits (DDDDD) collected from the subscriber according to the processing result of the service logic.

Next, the service control switch 40 activates the life information service call center 90 using the call data frame generated according to the processing result of the service logic. (Step 370) Thus, the life information service call center 90 is activated. When activated, the billing information is generated at the service switching switch 30. The billing source source information includes the routing information SI-YYY-TI and the response digit (DDDDD) information collected from the subscriber.

Thereafter, the living information service call center 90 accesses the switch 100 for each living information service through the collected subscriber digit information. (Step 380) Accordingly, the switch 100 for each living information service selects information selected by the subscriber. Provides the living information service for each individual (step 390).

Subsequently, the service switching exchange 30 sets a call with the foreign gateway gateway switch 20 when a response signal is applied from the switch 100 for each living information service.

8 is a schematic flowchart of providing life information service according to a third embodiment of the present invention.

First, when the customer dials the access number of the overseas international clover service (step 400), the domestic intelligent network service is activated under the control of the service switching switch 30 and the service control switch 40 (step 410).

Thereafter, the service control switch 40 transmits and receives the announcement broadcast according to the life information service to the subscriber through the announcement broadcast control unit 48 and the subscriber input data collection unit 49 (step 420). "Hello, I'm XXX. Please select the service number you want. Flowers 1, cake 2 ..." will be sent to the subscriber.

Next, the subscriber information data corresponding to the above-mentioned announcement is collected to activate the life information service call center 90 (step 430).

Subsequently, the living information service call center 90 accesses the switch 100 for each living information service and provides the corresponding living information service desired by the user (step 440).

As described above, the present invention provides the following effects.

First, by extracting the information of the counterpart and the counterpart operator to activate domestic additional and intelligent network services, it is possible to use additional services, not general incoming services, and to use the domestic outgoing domestic intelligent network services.

Second, by using the digits collected from subscribers according to the guide broadcasting device, it is possible to transmit outgoing information necessary for billing and guide broadcasting for each subscriber, and to use domestic intelligent network service between other companies and overseas.

Third, the domestic digitization information service can be activated by using digits collected from overseas subscribers.

Claims (18)

An international gateway switch that analyzes the routing information authorized through the overseas public switched telephone network and transmits the routing information corresponding to the operator of the corresponding country; A service switching switch for storing routing information authorized from the foreign gateway switch and requesting an intelligent network interworking service; And An intelligent network for overseas signaling, comprising a service control exchange which processes the counterpart country and operator information among the routing information authorized from the service switching exchange into rerouting information and activates the intelligent network service according to the processed rerouting information. Service interworking system. 2. The service control exchange of claim 1, wherein the service control exchange An intelligent network service interworking system for an outgoing call, characterized in that it further comprises a service database for storing the processed rerouting information. 3. A service according to claim 1 or 2, wherein the service control exchange is A routing data input unit configured to store routing information when the routing information is input from the service switching switch and to define a variable for storing the information obtained as a result of the processing; A data path designation unit which determines a path of the routing information and separates the path into a corresponding path; A data processing unit for generating rerouting information by processing identification numbers between operators among the routing information; And An intelligent network service interworking system for an overseas call signal, comprising: a call data generator for generating rerouting information generated by the data processor as a frame of call data. 4. The service control exchange of claim 3, wherein the service control exchange A buffer for storing data generated by the call data generator; And And an error processing unit for processing errors of the routing data input unit, the data path designation unit, and the data processing unit. A first step of analyzing routing information accessed by a user and transmitting routing information corresponding to a business operator of a corresponding country; A second step of extracting relevant country and operator information from the transmitted routing information and requesting interworking of an intelligent network service; A third step of processing the counterpart country and operator information from the routing information into rerouting information according to the intelligent network service interworking request; And And a fourth step of activating interworking with the intelligent network service according to the processed rerouting information. The method of claim 5, wherein the third step is Defining a variable according to the input of the routing information; Determining a path of the routing information and separating the path into the corresponding path; Generating rerouting information by processing a counterpart country number and an inter-company identification number among the routing information; And And generating the rerouting information as a frame of call data. The method of claim 5, wherein the fourth step When the intelligent network service is activated, re-routing information is recorded in the source information of the billing information. An international gateway switch that analyzes the routing information authorized through the overseas public switched telephone network and transmits the routing information corresponding to the operator of the corresponding country; A service switching switch for storing routing information authorized from the foreign gateway switch and requesting an intelligent network interworking service; And Converts routing information applied from the service switching exchange into routing information for the announcement service, specifies the routing data path of the announcement service according to the partner country, operator information and subscriber collection information, and according to the converted rerouting information An intelligent network service interworking system for overseas calling, characterized in that it comprises a service control switch for activating the announcement service per subscriber. 9. The system of claim 8, wherein the service control exchange is Converting the routing information into information SI for selecting the announcement service, information indicating a calling country and a carrier identification number YYY and rerouting information indicating a routing data path TI of a service to be processed; Intelligent network service interworking system for outgoing calls, characterized in that. 9. The system of claim 8, wherein the service control exchange is An intelligent network service interworking system for an outbound call, characterized by further comprising a service database for storing the converted rerouting information. 10. A service according to claim 8 or 9, wherein the service switching exchange A routing data input unit which transmits the routing information to the service control exchange to request service processing for processing of an international clover service; A routing data converting unit converting the routing information into the rerouting information when the service processing result is transmitted from the service control exchange; And And a service activation unit for requesting service processing to the service control exchange by using rerouting information applied from the routing data conversion unit. 10. A service according to claim 8 or 9, wherein the service control exchange A data path designation unit for designating a data path for selecting the announcement service corresponding to the rerouting information when a service activation request is made from the service switching switch; An announcement broadcast control unit for outputting data for transmitting the announcement to a subscriber by operating a preset announcement device; A subscriber input data collection unit for collecting a response digit of a subscriber obtained according to the announcement result of the announcement broadcast control unit; A data processing unit processing the rerouting information and the response digit (DDDDD) of the subscriber to generate rerouting information for each subscriber for service interworking; And An intelligent network service interworking system for an overseas call signal, comprising: a call data generator for generating the subscriber rerouting information as a frame of call data. 13. The system of claim 12, wherein the service control exchange is A buffer for storing data generated by the hodata generator; And And an error processing unit for processing an error of data applied from the data path designating unit, the announcement broadcasting control unit and the hodata generating unit. 10. The method of claim 8, further comprising life information service exchange means for providing a guide broadcast for each life information service selected by a subscriber according to the announcement service provided from the service switching exchange through a common line signaling network. Intelligent network service interworking system for overseas call. A first step of analyzing routing information accessed by the user and transmitting routing information corresponding to operators and subscribers of the corresponding country; A second step of extracting corresponding country and operator information from the transmitted routing information and requesting an intelligent network service interworking for international clover service processing; A third step of requesting service processing with the rerouting information converted by processing the partner country, operator information and subscriber information from the routing information into rerouting information according to the intelligent network service interworking request; A fourth step of activating a guide broadcast service linked to an intelligent network service according to the converted rerouting information, and collecting digit information answered from a subscriber by the activated guide broadcast service; And And a fifth step of activating an announcement service for each subscriber linked with the intelligent network service according to the call data processing the rerouting information and the digit information. The method of claim 15, wherein the fourth step Designating a data path for selecting an announcement service corresponding to the rerouting information when the intelligent network service is activated; Transmitting a corresponding announcement to a subscriber by operating a preset announcement device; Collecting digit information responsive from the subscriber obtained according to the announcement transmission result; Generating the subscriber-specific rerouting information for service interworking by processing the rerouting information and the digit information responded from the subscriber; And And generating the subscriber rerouting information as a frame of call data. The method of claim 15, wherein the fifth step And reactivating the rerouting information and the digit information responsive from the subscriber to the source information of the billing information when the announcement service of each subscriber is activated. 16. The intelligent network of claim 15, further comprising the step of calling an exchange for each living information service selected by the subscriber according to the subscriber-based announcement service obtained as a result of the fifth step. How to link service.