KR100275507B1 - Method of in service call processing on ssp simulator - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to an intelligent network service processing method in a service switchboard simulator.

2. The technical problem to be solved by the invention

An object of the present invention is to provide an intelligent network service call processing method for processing a service in a service exchange simulator without directly interworking with other network elements constituting an intelligent network necessary to confirm a function of an intelligent information providing system.

3. Summary of Solution to Invention

The present invention includes the steps of: initializing the subscriber board and the trunk line board, receiving a hook-off signal, transmitting a dial tone, and collecting and analyzing a digit signal to determine whether an intelligent or non-intelligent network call; Sending initial detection signal to SCP simulator, receiving temporary connection setup request signal to check correlation number, sending initial address message to intelligent information providing system to receive address completion and response message, setting up bearer channel ; And a third step of receiving the connection signal from the SCP simulator, translating and confirming the called number to perform the incoming call processing and response processing.

4. Important uses of the invention

The present invention is used for intelligent network services.

Description

Intelligent Network Service Call Processing Method in Service Switching Simulator

The present invention relates to an intelligent network service call processing method in a service switchboard simulator and a computer readable recording medium recording a program for realizing the same.

Next-generation intelligent network is a structured service network that can be applied to all networks such as public switched telephone network, integrated services digital network, and public land mobile network. It requires network capability to provide service independent of transport network under environment.

The intelligent network service is a service exchanger that performs the network access and exchange functions of service users among the network elements constituting the intelligent network, a service controller including service logic programs and data necessary to provide the intelligent network service, and provides and manages special resources. Through intelligent information provision system.

In addition, the next-generation intelligent network is designed to be easily interworked with all communication networks, and intelligent network services should be designed independently of the service users, service providers, communication networks or service providers in this respect.

However, although the service exchanger is commercially available in the related art, the price of the service exchanger in operation is physically large and a large amount of software is mounted and operated. Therefore, conventionally, if a system in operation for the introduction of a new intelligent network service is used from the service development stage, there is a large economic burden, and there is a problem in that it is difficult to verify the possibility by easily implementing the new service at the introduction stage.

Therefore, the present invention devised to solve the above problems, the service exchanger simulator without directly interworking the other network elements constituting the intelligent network necessary to confirm the function of the intelligent information providing system in the environment implemented as a simulator An object of the present invention is to provide an intelligent network service call processing method for processing a service and a computer readable recording medium recording a program for realizing the service.

1 is an exemplary configuration diagram of a next-generation intelligent network to which the present invention is applied.

2 is an exemplary configuration diagram of a service switchboard simulator and a service controller simulator of a next generation intelligent network to which the present invention is applied.

3A and 3B are flowcharts of an embodiment of an intelligent network service call processing method of a service switchboard simulator according to the present invention;

* Explanation of symbols for main parts of the drawings

202: LAN router 203: special resource switch

206: service switchboard simulator 207: service controller simulator

208: TCP / IP 209: Switch Access and Management Processor

In the method of the present invention for achieving the above object, in the intelligent network service call processing method applied to the service switchboard simulator, the service switchboard simulator initializes the subscriber board and the relay board, and receives a hook-off signal from the service user to make a dial tone A first step of determining whether the analysis result is an intelligent network call or a non-intelligent network call by collecting and analyzing a dialing digit signal; The initial detection signal is transmitted to the service controller simulator according to the check result of the first step, the temporary connection establishment request signal is received to confirm the correlation number, and the initial address message is transmitted to the service controller simulator to send an address completion message and response. Receiving a message and establishing a bearer channel with the intelligent information providing system; And a third step of receiving a connection signal from the service controller simulator, translating the called telephone number, and confirming the called number in the called number list to perform the incoming call processing and response processing.

In addition, the present invention is a service switchboard simulator having a large capacity processor, the service switchboard simulator initializes the subscriber board and the trunk line board, receives a hook-off signal from the service user to send a dial tone, collect and analyze the dialing digit signal A first function of identifying whether the analysis result is an intelligent network call or a non-intelligent network call; Sending an initial detection signal to a service controller simulator according to a result of checking the first function, receiving a temporary connection establishment request signal to confirm a correlation number, and transmitting an initial address message to the service controller simulator to complete an address completion message and response. A second function of receiving a message and establishing a bearer channel with the intelligent information providing system; And a program for receiving a connection signal from the service controller simulator, translating the called phone number, and confirming the called number from the called number list to perform a call processing and response processing. Provide a record carrier.

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

1 is an exemplary configuration diagram of a next-generation intelligent network to which the present invention is applied. The next-generation intelligent network includes a service control point 101, a service management system 102, and a service data point. 103, a signal network 104, a Service Switching Point 105, an Intelligent Peripheral 106, and other service controllers or service data systems 107.

As shown in the figure, the service controller 101 has a service logic program and some data necessary for intelligent network service processing as a key element for the intelligent network service. The service controller 101 is connected to the service exchanger 105 and the intelligent information providing system 106 through the signal network 104, and the service management system 102 and the service data system 103 through data or internal connection networks. Connected.

In addition, the service controller 101 may have the same type of service logic program or data in multiple service controllers in order to improve the reliability of the intelligent network service or to share the load among other service controllers. The service controller 101 may optionally include a service control function and a service data function.

In addition, the service management system 102 is a management system supporting the service controller 101 and manages data of subscribers necessary for controlling the service. The service management system 102 may be used to centrally manage the service related database of the service controller 101, and may be connected to all network elements of the intelligent network to manage the entire intelligent network. The service subscriber can change his or her service data using the service management system 102 and collect statistical data from the service controller 101 to check billing information, support functions for network management, and report on service processing errors. The connection with the service controller 101 uses the X.25 protocol.

In addition, the service data system 103 has subscriber and intelligent network data necessary to perform an intelligent network service. The service controller 101, the service management system 102, or other service data system 107 may directly access the intelligent network data or indirectly through the signaling network 104.

In addition, the signal network 104 is provided with a signal relay switch and a signal network management system, which is a kind of packet switch for delivering No. 7 signaling messages to other nodes (hereinafter referred to as Telecommunication Standardization Sector for International Telecommunication Union) According to the recommendation, the message processing speed should be tens of thousands of messages per second, and the average time that a signaling message can stay in the signal network 104 should be within 20 ms.

In addition, the service switcher 105 has a function of allowing a user to access the intelligent network, detecting the intelligent network service, communicating with other network elements of the intelligent network, and responding to a received command.

In addition, the intelligent information providing system 106 has special resources such as customized announcement, speech recognition, speech synthesis, voice recording, dual tone multi-frequency (DTMF) digit collector, fax (FAX) transceiver, etc., the user and intelligent network Provide flexible interaction between them. Signal network 104 is the next-generation intelligent network application protocol (INAP) recommended by ITU-T, and provides service controller 101, service exchanger 105, and intelligent information using No.7 common line signaling. It is an application layer protocol on top of a Transaction Control Application Part (TCAP) for supporting interaction between network elements such as the system 106.

2 is an exemplary configuration diagram of a service switchboard simulator and a service controller simulator of a next-generation intelligent network to which the present invention is applied.

As shown in the figure, the service switchboard simulator 206 and the service controller simulator 207 install a board capable of accommodating subscribers in the industrial computer 201 and a relay line board necessary for interworking with an intelligent information providing system. Each functional implementation for providing a service consists of software.

The service switchboard simulator 206 and the service controller simulator 207 connect using a LAN route / switch 202 to communicate with the special resource switch 203 of the intelligent information providing system, The protocol for communication facilitates simulator implementation by using a Universal Transmission Control Protocol / Internet Protocol (TCP / IP) 208.

The matching portion with the service switchboard simulator 206 for matching with the Specialized Resources Switch (SRS) 203 utilizes the Service Switching Point interface module of the switch access and management processor 209, and the service The matching portion with the controller simulator 207 utilizes a Service Control Point interface module of the switch access and management processor 209.

The service switchboard simulator 206 and the service controller simulator 207 connect the general subscriber terminal 204 which can listen to the corresponding announcement according to the service logic program and the subscriber can actually input the digit through the terminal, and the subscriber terminal 204 Connect a concentrator 205 that can be connected to the special resource switch 203 through a terminal adapter (210), a subscriber board (211), a relay board (211), and a relay line that accommodates.

3A and 3B are flowcharts of an embodiment of an intelligent network service call processing method of a service switchboard simulator according to the present invention.

As shown in the figure, the service switchboard simulator initializes the subscriber board and the trunk line board, opens the files of the dial tone, busy tone and ringback tone to be transmitted to the subscriber, and loads the subscriber terminal information (301). Wait for the event to occur (302).

Thereafter, the service switchboard simulator receives the hook-off signal from the service user, sends a dial tone to the service user (303), collects the dialing digit signal from the service user, and analyzes the collected number (304).

Then, the service switchboard simulator determines whether the analysis result is an intelligent network call or a non-intelligent network call (305), if the non-intelligent network call detects the service access code from the service user, attempts to route to the called party number assigned to the subscriber board. In step 306, the incoming call is processed and the response is processed (307). If the call is completed (308), if the call is completed, the process 302 of waiting for the occurrence of the event is repeatedly performed.

Meanwhile, the service exchange simulator determines whether the analysis result is an intelligent network call or a non-intelligent network call (305), and if it is an intelligent network call, transmits an initial detection point (Initial Detection Point) to the service controller simulator (309), and waits for an event to occur ( 310).

Thereafter, the service controller simulator verifies the service access code and the user or subscriber number upon receiving the initial detection signal, and establishes a temporary connection establishment when the service exchange simulator receives the temporary connection establishment request signal from the service controller simulator (311). Temporary Connection) checks the correlation ID (Correlation ID) of the request signal (312), transmits an initial address message (Initial Address Message) to the intelligent information providing system (313), and repeats from the process of waiting for an event (310) do. In this case, the intelligent information providing system allocates an available channel upon receiving an initial address message, and then sends an address completion message and a response message to the service switchboard simulator. In addition, the intelligent information providing system informs the service controller simulator that the bearer channel connection with the service switchboard simulator is completed and sends an Assist Request Instruction to wait for the next command.

Meanwhile, when the service switchboard simulator receives the address completion message from the intelligent information providing system (314), it establishes the bearer channel with the intelligent information providing system (315), and repeats the process 310 awaiting the occurrence of an event.

On the other hand, when the service switchboard simulator receives an answer message from the intelligent information providing system (316), it establishes a bearer channel with the intelligent information providing system (317), and repeats the process 310 awaiting the occurrence of an event. .

On the other hand, when the service switchboard simulator receives the connection signal from the service controller simulator (318), translates the incoming phone number (319), checks the incoming number and sends out the ring (320), and the incoming call processing to answer the incoming call (321) If the call is completed (322) and the call is completed, the process is repeated from step 302 of waiting for an event to occur.

On the other hand, when the service switchboard simulator receives the call release (Release Call) signal or cancel signal (Cancel) signal from the service controller simulator (323) and releases all resources allocated to the corresponding channel associated with the call (324).

On the other hand, if the service switchboard simulator receives abandon signal from the service controller simulator (325), it performs abandonment process (326). That is, to notify the service controller simulator of the related event for the basic call state model event report request previously requested from the service controller simulator. Detect secondary events and take appropriate action for them.

In the intelligent network service logic processing method of the service switchboard simulator according to the present invention, when the service switchboard simulator is driven, after establishing a connection for TCP communication with the service controller simulator and the intelligent information providing system, data to be shared with the service controller simulator is provided. Create a shared memory area.

Also, a message queue for storing packets is opened for communication with the service controller simulator and the intelligent information providing system. This message queue is created when the TCP server for the service switcher simulator starts up and packets previously queued are removed. Initializes the subscriber board and the trunk line board for accommodating the subscriber, opens a file such as a dial tone, a busy signal, and a ringback tone to be heard by the subscriber, and loads information on the subscriber terminal, that is, a terminal registration file.

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.

Therefore, the present invention as described above, in the case of using the service switchboard simulator and the service controller simulator to verify and verify the function of the intelligent information providing system, various service logic programs before the system is installed in the actual field through the simulator in advance The problem of intelligent information providing system can be found and solved, and the complete test can shorten the development period of the system.

Claims (5)

An intelligent network service call processing method applied to a service exchanger simulator, The service switchboard simulator initializes the subscriber board and the trunk line board, receives hook-off signals from the service user, emits a dial tone, and collects and analyzes dialing digit signals to determine whether the analysis result is an intelligent or non-intelligent network call. Stage 1; The initial detection signal is transmitted to the service controller simulator according to the check result of the first step, the temporary connection establishment request signal is received to confirm the correlation number, and the initial address message is transmitted to the service controller simulator to send an address completion message and response. Receiving a message and establishing a bearer channel with the intelligent information providing system; And A third step of receiving a connection signal from the service controller simulator, translating the called telephone number, and confirming the called number in the called number list to perform incoming processing and response processing; Intelligent network service call processing method in a service switchboard simulator comprising a. The method of claim 1, A fourth step of detecting a service access code from the service user and attempting to route to the called subscriber number assigned to the subscriber board according to the confirmation result of the first step, and performing the incoming call processing and response processing Intelligent network service call processing method in a service exchanger simulator further comprising. The method according to claim 1 or 2, A fifth step in which the service switchboard simulator receives a call release signal from the service controller simulator and releases all resources allocated to the corresponding channel related to the call; Intelligent network service call processing method in a service exchanger simulator further comprising. The method of claim 3, wherein The first step is, A sixth step of the service switchboard simulator initializing the subscriber board and the trunk line board, opening a file of a dial tone, a busy signal tone and a ringback tone to be transmitted to the subscriber, and loading subscriber terminal information; A seventh step of receiving, by the service switchboard simulator, a hook-off signal from a service user and transmitting a dial tone to a service user; And An eighth step of the service exchange simulator collecting dialing digit signals from a service user and analyzing the collected numbers to determine whether the analysis result is an intelligent network call or a non-intelligent network call; Intelligent network service call processing method in a service switchboard simulator comprising a. In a service switchboard simulator with a large processor, The service switchboard simulator initializes the subscriber board and the trunk line board, receives hook-off signals from the service user, emits a dial tone, and collects and analyzes dialing digit signals to determine whether the analysis result is an intelligent or non-intelligent network call. 1 function; Sending an initial detection signal to a service controller simulator according to a result of checking the first function, receiving a temporary connection establishment request signal to confirm a correlation number, and transmitting an initial address message to the service controller simulator to complete an address completion message and response. A second function of receiving a message and establishing a bearer channel with the intelligent information providing system; And A third function of receiving a connection signal from the service controller simulator, translating the called telephone number, and confirming the called number in the called number list to perform incoming processing and response processing; A computer-readable recording medium having recorded thereon a program for realizing this.